(The latest version of this document is at http://www.milkywaygalaxy.freeservers.com. You may want to check there for changes).
A source code control system is a MUST to manage the changes occurring to a software project during development. Developers need a complete history of changes to backtrack to previous versions in case of any problems. Since source code is the most vital component of any software project and software development takes a huge amount of time and money, it is very important to spend some time in safe-guarding the source code by using source code control systems like CVS and RCS.
CVS (Concurrent Version Control System) is a powerful tool which allows concurrent development of software by multiple users. It uses RCS underneath and has an application layer interface as a wrapper on top of RCS.
CVS can record the history of your files (usually, but not always, source code). CVS only stores the differences between versions, instead of every version of every file you've ever created. CVS also keeps a log of who, when and why changes occurred, among other aspects.
CVS is very helpful for managing releases and controlling the concurrent editing of source files among multiple authors. Instead of providing version control for a collection of files in a single directory, CVS provides version control for a hierarchical collection of directories consisting of revision controlled files.
These directories and files can then be combined to form a software release.
CVS can be used for storing "C", "C++", Java, Perl, HTML and other files.
HISTORY of CVS: CVS is a very highly sophisticated and complex system. It is the "State of the Art" technology and is so called "software miracle". The CVS software is a very advanced and capable system developed over a very long period of time. And it took several years to mature!!. It tooks about 20 to 30 years of research to develop CVS algorithms and later coding it into a software. And even today, it is still evolving!!
CVS algorithms actually started in Universities several decades ago and CVS implementation started out as a bunch of shell scripts written by Dick Grune, who posted it to the newsgroup comp.sources.unix in the volume 6 release of December, 1986. While no actual code from these shell scripts is present in the current version of CVS much of the CVS conflict resolution algorithms come from them. In April, 1989, Brian Berliner designed and coded CVS. Jeff Polk later helped Brian with the design of the CVS module and vendor branch support.
And today each and every major software development project in the world is written using CVS as the safe repository. As good old software hats say - "You are in very safe hands, if you are using CVS !!!"
CVS actually uses RCS underneath. CVS is a lot more powerful tool and can control a complete source code tree. It is very strongly recommended that you use CVS, because you can greatly customize CVS with scripting languages like PERL, Korn and bash shells. See the sample korn shell scripts at Shell Scripts .
Advantages of CVS:
Disadvantages of CVS:
Advantages of RCS:
Downside of RCS:
This document also has shell scripts which provide simple commands to check-out, check-in, and commit files. See shell scripts at Shell Scripts
For RCS see the RCS mini-howto on the Linux cdrom:
cd /mnt/cdrom/Redhat/RPMS ls -l howto-6.0-*.noarch.rpm rpm -qpl howto-6* | grep -i rcs
See also the RCS shell scripts at rcs_scripts
First you need to install the CVS package. On Redhat Linux use:
cd /mnt/cdrom/Redhat/RPMS rpm -i rcs*.rpm rpm -i cvs*.rpm To see the list of files installed do - rpm -qpl cvs*.rpm | less
On other flavors of Unix, you may need to download the RCS and CVS tar balls and follow the README, INSTALL files to setup CVS. Visit http://www.cyclic.com and http://www.loria.fr/~molli/cvs-index.html
The following environment variables need to be setup in /etc/profile - default values required for all users. If not set in /etc/profile, then you should add these to your local profile file /.bash_profile.
export EDITOR=/bin/vi export CVSROOT=/home/cvsroot export CVSREAD=yes
# File ~/.bash_profile # Overriding env variables by resetting export EDITOR=/usr/bin/emacs export CVSROOT=/home/anotherdir/java/cvsroot
Create a directory to store the source code repository and give read, write access to Unix group/user. Also make sure that the directory name of CVSROOT does not contain any blank spaces. For example CVSROOT should not be like '/home/my rootcvs'.
bash$ su - root bash# export CVSROOT=/home/cvsroot bash# groupadd --help bash# groupadd cvs bash# useradd --help bash# useradd -g cvs -d /home/cvsroot cvs bash# ls -ld $CVSROOT ... (you should see the listing) bash# chgrp -R cvs $CVSROOT bash# chmod o-rwx $CVSROOT bash# chmod ug+rwx $CVSROOT #To initialize the CVS repository and to put in source code files do: bash# cvs init # Add the unix users to the cvs group. Create supplementary groups for users. # Note that you MUST not put any blank spaces after comma seperating the # group names in -G option. # In example below user tom belongs to groups cvs, users and staff and user # johnson belongs to group cvs only. bash# usermod --help bash# usermod -G cvs some_unix_username bash# usermod -G cvs,users,staff tom bash# usermod -G cvs,users,staroffice billclinton bash# usermod -G cvs johnson bash# exit .... (logout of root superuser mode) # Login as a user and import files into cvs.... bash$ su - billclinton bash$ export EDITOR=/bin/vi bash$ export CVSROOT=/home/cvsroot bash$ export CVSREAD=yes # Change directory is a must bash$ cd $HOME/somedir/anotherdir/directory/my_source_code_dir # Must give vendor tag and revision tag cvs import somedir/anotherdir/directory/my_source_code_dir Vendor1_0 Rev1_0 # Also note that it is very important to give the directory tree starting # from the $HOME, that is, in above example starting from somedir. # For example I did: bash$ cd $HOME/howto/foobar bash$ cvs import howto/foobar Vendor1_0 Rev1_0 # Another example is: bash$ cd $HOME/javafilesdir bash$ cvs import javafilesdir Vendor1_0 Rev1_0 # A sample testing and verification: bash$ cd $HOME/howto/foobar bash$ cvs checkout myfoo.java
TROUBLESHOOTING: When doing checkout it says module is unknown. It is a common mistake not to change directory while doing cvs import. You MUST change directory to the source-code-directory and then do cvs import. For example:
bash$ cd $HOME/somedirectory/foobardir bash$ cvs import somedirectory/foobardir Vendor1_0 Rev1_0
To migrate the existing RCS files to CVS, use the following script. Make sure that you installed the Korn shell package pdksh*.rpm from the Linux contrib cdrom.
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
#!/bin/ksh ############################################################# # Program to Migrate the existing source code in RCS to CVS # # Needs the korn shell RPM package pdksh*.rpm from Linux # contrib cdrom ############################################################# # # rcs2cvs - convert source tree from RCS to CVS # # project to convert PROJECT='project' # current RCS root RCSROOT="$HOME/rcs" if cd "$RCSROOT/$PROJECT" then cd "$RCSROOT" else echo >&2 "`basename "$0"`: can't change to RCS directory '$RCSROOT/$PROJECT'." exit 1 fi # current CVS root CVSROOT="$HOME/cvs" # create new CVS directory for project 'project' if mkdir "$CVSROOT/$PROJECT" then : else echo >&2 "`basename "$0"`: can't create CVS directory '$CVSROOT/$PROJECT'." exit 2 fi # create CVS project tree from RCS tree find "$PROJECT" -type d -name RCS -print | while read RCS do CVS="`dirname "$RCS"`" (if cd "$RCS" then # if find . -type f -name '*,v' -print | cpio -pdmv "$CVSROOT/$CVS" if find . -type f -print | cpio -pdmv "$CVSROOT/$CVS" then : else echo >&2 "`basename "$0"`: can't convert RCS subdirectory '$RCSROOT/$RCS' to CVS subdirectory '$CVSROOT/$CVS'." fi else echo >&2 "`basename "$0"`: can't change to RCS subdirectory '$RCSROOT/$RCS'." fi) done
CVS provides a rich variety of commands (cvs_command in the Synopsis), each of which often has a wealth of options, to satisfy the many needs of source management in distributed environments. However, you don't have to master every detail to do useful work with CVS; in fact, five commands are sufficient to use (and contribute to) the source repository. The most commonly used CVS commands are: checkout, update, add, remove, commit and diff.
cvs checkout modules... A necessary preliminary for most CVS work: creates your private copy of the source for modules (named collections of source; you can also use a path relative to the source repository here). You can work with this copy without interfering with others' work. At least one subdirectory level is always created.
bash$ cvs --help checkout Usage: cvs checkout [-ANPRcflnps] [-r rev | -D date] [-d dir] [-j rev1] [-j rev2] [-k kopt] modules... -A Reset any sticky tags/date/kopts. -N Don't shorten module paths if -d specified. -P Prune empty directories. -R Process directories recursively. -c "cat" the module database. -f Force a head revision match if tag/date not found. -l Local directory only, not recursive -n Do not run module program (if any). -p Check out files to standard output (avoids stickiness). -s Like -c, but include module status. -r rev Check out revision or tag. (implies -P) (is sticky) -D date Check out revisions as of date. (implies -P) (is sticky) -d dir Check out into dir instead of module name. -k kopt Use RCS kopt -k option on checkout. -j rev Merge in changes made between current revision and rev. (Specify the --help global option for a list of other help options)
cvs update Execute this command from within your private source directory when you wish to update your copies of source files from changes that other developers have made to the source in the repository.
bash$ cvs --help update Usage: cvs update [-APdflRp] [-k kopt] [-r rev|-D date] [-j rev] [-I ign] [-W spec] [files...] -A Reset any sticky tags/date/kopts. -P Prune empty directories. -d Build directories, like checkout does. -f Force a head revision match if tag/date not found. -l Local directory only, no recursion. -R Process directories recursively. -p Send updates to standard output (avoids stickiness). -k kopt Use RCS kopt -k option on checkout. -r rev Update using specified revision/tag (is sticky). -D date Set date to update from (is sticky). -j rev Merge in changes made between current revision and rev. -I ign More files to ignore (! to reset). -W spec Wrappers specification line. (Specify the --help global option for a list of other help options)
cvs add file... Use this command to enroll new files in CVS records of your working directory. The files will be added to the repository the next time you run `cvs commit'. Note: You should use the `cvs import' command to bootstrap new sources into the source repository. `cvs add' is only used for new files to an already checked-out module.
bash$ cvs --help add Usage: cvs add [-k rcs-kflag] [-m message] files... -k Use "rcs-kflag" to add the file with the specified kflag. -m Use "message" for the creation log. (Specify the --help global option for a list of other help options)
cvs remove file... Use this command (after erasing any files listed) to declare that you wish to eliminate files from the repository. The removal does not affect others until you run `cvs commit'.
bash$ cvs --help remove Usage: cvs remove [-flR] [files...] -f Delete the file before removing it. -l Process this directory only (not recursive). -R Process directories recursively. (Specify the --help global option for a list of other help options)
cvs commit file... Use this command when you wish to ``publish'' your changes to other developers, by incorporating them in the source repository.
bash$ cvs --help commit Usage: cvs commit [-nRlf] [-m msg | -F logfile] [-r rev] files... -n Do not run the module program (if any). -R Process directories recursively. -l Local directory only (not recursive). -f Force the file to be committed; disables recursion. -F file Read the log message from file. -m msg Log message. -r rev Commit to this branch or trunk revision. (Specify the --help global option for a list of other help options)
cvs diff file... Show differences between files in the working directory and source repository, or between two revisions in the source repository. (Does not change either repository or working directory.)
bash$ cvs --help diff Usage: cvs diff [-lNR] [rcsdiff-options] [[-r rev1 | -D date1] [-r rev2 | -D date2]] [files...] -l Local directory only, not recursive -R Process directories recursively. -D d1 Diff revision for date against working file. -D d2 Diff rev1/date1 against date2. -N include diffs for added and removed files. -r rev1 Diff revision for rev1 against working file. -r rev2 Diff rev1/date1 against rev2. --ifdef=arg Output diffs in ifdef format. (consult the documentation for your diff program for rcsdiff-options. The most popular is -c for context diffs but there are many more). (Specify the --help global option for a list of other help options)
Emacs is a powerful editor and it supports CVS/RCS - especially for revision merging and comparing. The main Emacs site is at http://www.gnu.org/software/emacs/emacs.html.
CVS is a powerful system and is highly customizable. CVS supports:
The following are wrappers around the basic CVS commands. These scripts give you initial booster-push into the CVS system and are useful until you become very familiar with the CVS commands. The scripts are written for Korn shell since it is always available on all flavors of Unix, but you can translate to bash or Perl if needed. You can customize these scripts to your taste. They are basically CVS commands, but features are added to make it site specific. For example, the sedit script provides locking so that users will know someone is editing the file. Of course users can directly use the CVS commands to bypass these scripts. These scripts demonstrate how CVS can be customized to a great extent.
NOTE: The wrapper shell scripts assume the user's home directory as the root and check out the tree from CVS to build the tree underneath user's home directory.
TIP: In these shell scripts, every target filename is composed of 3 parts - Home directory, sub-directory and the filename. The full-path is $HOME/$subdir/$fname And in CVS the same directory structure is maintained (by variable $subdir) therefore in cvs there will be something like $CVSROOT/$subdir/$fname. In all scripts, these 4 variables $HOME, $CVSROOT, $subdir and $fname play an important role. For example, sample values can be like HOME=/home/aldev, subdir=myproject/src, CVSROOT=/home/cvsroot, and fname=foo.cpp
Copy these scripts to /usr/local/bin and this should be in the user's PATH environment.
sdif -r rev1 -r rev2 <filename> To get the diff of your file with CVS. Click sdif
NOTE: sdif has only one 'f' because there is already another Unix command called 'sdiff'
For example :
cd $HOME; sfreeze REVISION_1_0 srctree
******************************************************
At Unix prompt type:
The tkcvs http://www.tkcvs.org is the Tcl/Tk GUI interface to CVS. It also has online help. Try the following:
There is also a Windows 95 client for CVS called WinCVS (see: http://www.wincvs.org and cyclicsite). WinCVS can be used along with Samba(on cdrom samba*.rpm) - http://www.samba.org
The essential command are:
On Linux systems, you can find the CVS documentation in postscript format at /usr/doc/cvs*/*.ps. Also there is an FAQ and other useful information.
bash# cd /usr/doc/cvs* bash# gv cvs.ps
The documentation on CVS from "CVS Organisation" is at http://www.cvshome.org/docs
The Official manual for CVS by Cederqvist is at http://www.cvshome.org/docs/manual/cvs.html
FAQ for CVS is at http://www.cs.utah.edu/dept/old/texinfo/cvs/FAQ.txt
General utilities for cvs (third party):
The following GUI front ends for CVS are available:
For Apple Macintosh - Mac OS: See MacCvs at http://www.cvsgui.org and MacCvsPro at http://www.maccvs.org
It is VERY STRONGLY recommended that you use Samba(on cdrom samba*.rpm) and a VNC viewer (or PC X Server) on MS Windows 95/NT. With samba the Unix/Linux CVS server will be like a file server. By using Samba the remote directory on Unix will look like a local folder on MS Windows on the local disk. Install samba*.rpm on Unix/Linux server(which has the CVS repository) and install the VNC viewer (or PC X server) on MS Windows 95/NT/2000 desktop. Using a VNC (or PC X server) you can easily log on to the Unix box and check-out/check-in the files. And you can use tools like Java Visual Cafe or Java JBuilder on MS Windows to edit the files located in Unix/Linux folder(via samba). After editing, you can check-in the files to Unix through VNC or PC X-server.
Advantages of using CVS on Linux/Unix via MS Windows are:
The best tool for remote access is VNC. The VNC is lightweight and is much better than the PC X servers. The VNC is very strongly recommended over PC X server. The remote access methods available are:
Compiling qvwm on Solaris : On Solaris you should install the following packages which you can get from http://sun.freeware.com - xpm, imlib, jpeg, libungif, giflib, libpng, tiff. And you can download the binary package for solaris from http://www.qvwm.org.
Or you can download the qvwm source for solaris from http://www.qvwm.org and compile it using gcc.
Troubleshooting compile: You should put unsigned long before arg in usleep() usleep((unsigned long) 10000)
The following PC X servers are available:
There are more than 2 dozen vendors for X servers for Windows:
University resources:
You can install and run CVS on MS Windows directly. Download cvsnt from http://www.cvsnt.org. See the installation instructions and other documents of CVS on NT/2000 at http://www.devguy.com/fp/cfgmgmt/cvs/cvs_admin_nt.htm#install.
You can also use the ftp tools on MS Windows to transfer files from a Unix/Linux (CVS repository) to windows:
Using Samba and a PC X server it is possible to use CVS on MS Windows platform. And the tools like Symantec Visual Cafe (Java), Inprise JBuilder, MS Visual C++ and others are easily supported by CVS.
You can also store the HTML files on a CVS repository via Samba and easily access them from MS Windows.
To administer samba use the admin tools from http://www.samba.org. Go here and click on "GUI Interfaces Tools".
To make a CVS server and CVS repository secure do the following:
The Cederqvist manual at http://cvshome.org/docs/manual/cvs_2.html#SEC30 describes how to setup CVS for external access.
In order to use CVS for a group, one has to set up a permissions system to allow people to access the system from other machines. There are three ways to do this (:server:, :pserver:, and :ext:). The pserver mechanism and use of rsh are both insecure. Only the :ext: (with ssh) offers sufficient security protection.
If you set CVS_RSH to SSH or some other rsh replacement, the instructions may be similar to `.rhosts' but consult the documentation for your rsh replacement.
To get ssh visit http://rpmfind.net and in the search box enter "ssh". Or visit http://www.redhat.com/apps/download and in the search box enter "ssh". Download and install the ssh RPM and then configure CVS to use it. See also http://www.ssh.org.
Note: If you plan to configure CVS for use with rsh then you MUST do this critical step:
bash# chmod 600 .rhosts
See also JA-SIG UPortal CVS repository http://www.mis3.udel.edu/~jlaker/development.
If you want to use RCS instead of CVS then you can use the following shell scripts.
#!/bin/ksh # cotree.sh (Check Out Tree shell script) # cotree.sh - Check out the entire RCS directory # Usage : # This will get the all the directories # unix> cotree.sh # # This will get just one single directory tree # unix> cotree.sh <directory name> # See also cofiles.sh ############################################################### # Setting up RCS (Revision Control System) # Install the RCS programs - which gives command co, ci, rcslog # Create a rcs home directory where you want to put all the # source code repository. Call this $RCSDIR=/home/rcs_version_control # Setup up an environment variable RCSDIR=/home/rcs_version_control # in $HOME/.profile file. Like - # export RCSDIR=/home/rcs_version_control # Create a directory structure under $RCSDIR and check in all your # files using ci . See 'man ci' # Now create a link from your home directory to your project # under $RCSDIR # cd $HOME # mkdir $HOME/myproject # cd $HOME/myproject # and run this script to get all the files and directory tree # cotree.sh # This script will create the entire source-tree under user's # home and also will have a soft link to RCS directories. Each # user will run this script under his home directory. ############################################################### check_out_directory() { # Root directory of RCS (revision control system) # like RCSDIR=/home/rcs_version_control RCSDIR=$1 DIRNAME=$2 # The given directory name must exist in rcs root directory if [ "$DIRNAME" = "" -o ! -d $RCSDIR/$DIRNAME ]; then print "\nDirectory DIRNAME=$DIRNAME does not exist!!" print "\nAborting the program ... and exiting...\n" exit fi mkdir -p $DIRNAME ln -s $RCSDIR/$DIRNAME/RCS $DIRNAME ( cd $DIRNAME # This fails in case of filename=sample,vv # which inside RCS will be RCS/sample,vv,v # ls RCS | cut -d',' -f1 | xargs co # Use match to end of name $, as below - # Use ls RCS/* to avoid getting the names ./ and ../ #ls RCS/* | cut -d'/' -f2 | sed -e's/,v$//g' | xargs co if [ -d RCS ]; then ls RCS/* | cut -d'/' -f2 | sed -e's/,v$//g' | \ while read ii do #echo "ii is : $ii" if [ -f "RCS/$ii,v" ]; then co $ii fi done fi ) } # Root directory of RCS (revision control system) # like RCSDIR=/home/rcs_version_control if [ "$RCSDIR" = "" -o ! -d $RCSDIR ]; then print "\nDirectory RCSDIR=$RCSDIR does not exist!!" print "\nAborting the program ... and exiting...\n" exit fi #echo "rcsdir is : $RCSDIR" # If a directory argument is passed, then check out all # files for this directory only and exit. if [ "$1" != "" ]; then (cd $RCSDIR; find $1 -type d -print ) | while read DIRNAME do #echo DIRNAME=$DIRNAME #DIRNAME=c_src # Send rcs root directory and dir name relative to rcs root dir tmpaa=` basename $DIRNAME ` if [ "$tmpaa" != "RCS" ]; then check_out_directory $RCSDIR $DIRNAME fi done else (cd $RCSDIR; find * -type d -print ) | while read DIRNAME do echo DIRNAME=$DIRNAME #DIRNAME=c_src # Send rcs root directory and dir name relative to rcs root dir tmpaa=` basename $DIRNAME ` if [ "$tmpaa" != "RCS" ]; then check_out_directory $RCSDIR $DIRNAME fi done fi
#!/bin/ksh # cofiles.sh (Check Out files shell script) # cofiles.sh - Check out all the files in current directory from RCS # See also cotree.sh and 'man rcsclean' if [ ! -d RCS ]; then print "\nDirectory RCS does not exist!!" print "\nAborting the program ... and exiting...\n" exit fi #echo "No. of args = " $# " and all args " $@ while true do print -n "\n\nCheck-out all files in read-write mode? <y/n> [n]: " read ans if [ "$ans" = "" -o "$ans" = "n" -o "$ans" = "N" ]; then ans="N" break elif [ "$ans" = "y" -o "$ans" = "Y" ]; then ans="Y" break else print "\nWrong entry! Try again!!" fi done #echo "The ans is : " $ans if [ $# -eq 0 ]; then # The 'ls RCS' fails in case of filename=sample,vv in RCS/sample,vv,v # ls RCS | cut -d',' -f1 | xargs co # Use match to end of name $, as below - if [ "$ans" = "Y" ]; then ls RCS | sed -e's/,v$//g' | xargs co -l else ls RCS | sed -e's/,v$//g' | xargs co fi elif [ $# -eq 1 ]; then if [ -f "RCS/$1,v" ]; then # Here, in this case $1 will be like dbalter.sql # and not like db*.sql.... #echo "One arg, no. of args = " $# " and all args " $@ if [ "$ans" = "Y" ]; then co -l "$1" else co "$1" fi else # For case where $1=db*.sql and there is no db*.sql in # current directory #echo "No files... no. of args = " $# " and all args " $@ tmpaa="RCS/$1,v" # will be like RCS/db*.sql,v ls $tmpaa | \ while read ii do #echo "ii is : $ii" if [ "$ans" = "Y" ]; then co -l "$ii" else co "$ii" fi done fi else for ii in $@ do #echo "ii is : $ii,v" if [ "$ans" = "Y" ]; then co -l "$ii" else co "$ii" fi done fi
#!/bin/ksh # ciall.sh (Check in files shell script) # ciall.sh - Check in all the files in current directory into RCS # This script is very useful for checking in enmass large number # of new files into RCS. Saves time by avoiding to type the # 'description' for every file # And for files already in RCS, it does regular check-in command # To convert filenames to lower case filenames, use this # technique - use 'tr', see 'man tr' #ls * | \ #while read ii #do # jj=`echo $ii | tr [A-Z] [a-z] ` # echo "ii is : $ii" # echo "jj is : $jj" # mv $ii $jj #done if [ ! -d RCS ]; then print "\nDirectory RCS does not exist!!" print "\nWill be creating RCS directory now ...\n" mkdir RCS fi print "\n\nNOTE: This is not log message!" print "Please enter description (will be used for" print -n "all the files checked in) : " read description # Option prune does not work, use -maxdepth 0 #find * -prune -type f | # The number of args is zero or more.... if [ $# -eq 0 ]; then listoffiles="*" else listoffiles="$@" fi # Option prune does not work, use -maxdepth 0 #find $listoffiles -prune -type f | find $listoffiles -maxdepth 0 -type f | while read ii do #echo $ii if [ -f "RCS/$ii,v" ]; then #print "The file $ii already in RCS" ci -m"$description" $ii else #print "The file $ii is new file" ci $ii << EOF $description EOF fi done
For optimum performance a CVS server must be running on a stand alone Linux/Unix box.
To get more bang for a given CPU processing power, do the following:
bash$ su - root bash# man chkconfig bash# chkconfig --help bash# chkconfig --list | grep on | less From the above list, turn off the processes you do not want to start automatically - bash# chkconfig --level 0123456 <service name> off Next time when the machine is booted these services will not be started. Now, shutdown the services manually which you just turned off. bash# cd /etc/rc.d/init.d bash# ./<service name> stop
Along with CVS, you may want to use project tracking system or problem reporting system. Every software project needs a problem reporting system that track bugs and assigns them to various developers. See GNU gpl GNATS at http://www.gnu.org/software/gnats/gnats.html and http://dcl.sourceforge.net And commercial PRS at http://www.stonekeep.com look for a project tracking system.
What is Configuration Management (CM) ?
There are a number of different interpretations. It is about the tracking and control of software development and its activities. That is, it concerns the mangement of software development projects with respect to issues such as multiple developers working on the same code at the same time, targeting multiple platforms, supporting multiple versions, and controlling the status of code (for example a beta test versus a real release). Even within that scope there are different schools of thought:
While process management and control are necessary for a repeatable, optimized development process, a solid configuration management foundation for that process is essential.
Visit the following links:
Related URLs are at:
SCCS (Source Code Control System) is no longer being enhanced or improved. The general consensus has been that this tool is clumsy and not suited to large numbers of users working on one project. Actually, SCCS interleaves all the versions, but it can make new development get progressively slower. Hence, SCCS is NOT recommended for new projects; however, it is still there to support old code base in SCCS.
RCS (Revision Control System) is often considered to be better than SCCS. One reason for this is that RCS baselines the most recent version and keeps deltas for earlier ones, making new development faster. Additional discussions concerning SCCS vs RCS are at http://www.faqs.org/faqs/unix-faq/faq/part7
Note that RCS learned from the mistakes of SCCS...
CVS, which requires RCS, extends RCS to control concurrent editing of sources by several users working on releases built from a hierarchical set of directories. "RCS is [analogous to using] assembly language, while CVS is [like using] Pascal".
This document is published in 14 different formats namely: DVI, Postscript, Latex, Adobe Acrobat PDF, LyX, GNU-info, HTML, RTF(Rich Text Format), Plain-text, Unix man pages, single HTML file, SGML (Linuxdoc format), SGML (Docbook format), and MS WinHelp format.
This howto document is located at:
You can also find this document at the following mirrors sites:
A single HTML file can be created with the command (see man sgml2html) - sgml2html -split 0 xxxxhowto.sgml
A PDF file can be generated from postscript file using either acrobat distill or Ghostscript. And a postscript file is generated from DVI which in turn is generated from a LaTex file. You can download distill software from http://www.adobe.com. Given below is a sample session:
bash$ man sgml2latex bash$ sgml2latex filename.sgml bash$ man dvips bash$ dvips -o filename.ps filename.dvi bash$ distill filename.ps bash$ man ghostscript bash$ man ps2pdf bash$ ps2pdf input.ps output.pdf bash$ acroread output.pdf &
This document is written in linuxdoc SGML format. The Docbook SGML format supercedes the linuxdoc format and has a lot more features than linuxdoc. The linuxdoc is very simple and easy to use. To convert linuxdoc SGML file to Docbook SGML use the program ld2db.sh and some Perl scripts. The ld2db output is not 100% clean and you need to use the clean_ld2db.pl Perl script. You may need to manually correct a few lines in the document.
bash$ ld2db.sh file-linuxdoc.sgml db.sgml bash$ cleanup.pl db.sgml > db_clean.sgml bash$ gvim db_clean.sgml bash$ docbook2html db.sgml
You can convert the SGML howto document to a Microsoft Windows Help file, First convert the sgml to html using:
bash$ sgml2html xxxxhowto.sgml (to generate html file) bash$ sgml2html -split 0 xxxxhowto.sgml (to generate a single page html file)
In order to view the document in dvi format, use the xdvi program. The xdvi program is located in tetex-xdvi*.rpm package in Redhat Linux which can be located through ControlPanel | Applications | Publishing | TeX menu buttons. To read a dvi document give the command:
xdvi -geometry 80x90 howto.dvi
man xdvi
And resize the window with the mouse.
To navigate use Arrow keys, Page Up, Page Down keys, also
you can use 'f', 'd', 'u', 'c', 'l', 'r', 'p', 'n' letter
keys to move up, down, center, next page, previous page etc.
To turn off expert menu press 'x'.
You can read a postscript file using the program 'gv' (ghostview) or 'ghostscript'. The ghostscript program is in the ghostscript*.rpm package and the gv program is in the gv*.rpm package in Redhat Linux which can be located through ControlPanel | Applications | Graphics menu buttons. The gv program is much more user friendly than ghostscript. Also ghostscript and gv are available on other platforms like OS/2, Windows 95 and NT. You can view this document even on those platforms.
To read a postscript document give the command:
gv howto.ps
ghostscript howto.ps
You can read an HTML format document using Netscape Navigator, Microsoft Internet explorer, Redhat Baron Web browser or any of the 10 other web browsers.
You can read the latex, LyX output using LyX an X Window front end to LaTex.
Copyright Al Dev (Alavoor Vasudevan) 1998-2000.
License is GNU GPL, but it is requested that you retain the author's name and email on all copies.
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sget # Program to check out the file from CVS read-only # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` Usage() { print "\nUsage: $cmdname [-r revision_number/symbolic_tag_name] <file/directory name> " print "The options -r are optional " print "For example - " print " $cmdname -r 1.1 foo.cpp" print " $cmdname foo.cpp " print " $cmdname some_directory " print "Extract by symbolic revision tag like - " print " $cmdname -r REVISION_1 some_directory " print " " exit } # Command getopt will not supported in next major release. # Use getopts instead. while getopts r: ii do case $ii in r) FLAG1=$ii; OARG1="$OPTARG";; ?) Usage; exit 2;; esac done shift ` expr $OPTIND - 1 ` #echo FLAG1 = $FLAG1 , OARG1 = $OARG1 if [ $# -lt 1 ]; then Usage fi bkextn=sget_bak homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir tmpaa=`dirname $1` if [ "$tmpaa" = "." ]; then fname=$1 if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename $1` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname # Check if file already exists.... if [ -f "$HOME/$subdir/$fname" ]; then tmpaa="$HOME/$subdir/$fname" user_perms=" " group_perms=" " other_perms=" " user_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b3-3 ` group_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b6-6 ` other_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b9-9 ` if [ "$user_perms" = "w" -o "$group_perms" = "w" \ -o "$other_perms" = "w" ]; then print "\nError: The file is writable. Aborting $cmdname ......" print " You should either backup, scommit or delete the file and" print " try $cmdname again\n" exit fi fi # Move the file mkdir -p "$HOME/$subdir" touch "$HOME/$subdir/$fname" 2>/dev/null \mv -f "$HOME/$subdir/$fname" "$HOME/$subdir/$fname.$bkextn" # Create subshell ( cd $homedir # Use -A option to clear all sticky flags if [ "$FLAG1" = "" ]; then if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $fname else cvs -r checkout -A "$subdir/$fname" fi else if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A -$FLAG1 $OARG1 $fname else cvs -r checkout -A -$FLAG1 $OARG1 "$subdir/$fname" fi fi ) #pwd if [ -f "$HOME/$subdir/$fname" ]; then print "\nREAD-ONLY copy of the file $subdir/$fname obtained." print "Done $cmdname" #print "\nTip (Usage): $cmdname <file/directory name> \n" fi
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sedit # Program to check out the file from CVS read/write mode with locking # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` Usage() { # print "\nUsage: $cmdname [-r revision_number] [-F] <filename>" # print "The options -r, -F are optional " # print "The option -F is FORCE edit even if file is " # print "locked by another developer" print "\nUsage: $cmdname [-r revision_number] <filename>" print "The options -r are optional " print "For example - " print " $cmdname -r 1.1 foo.cpp" print " $cmdname foo.cpp " # print " $cmdname -F foo.cpp " print " " } # Command getopt will not supported in next major release. # Use getopts instead. #while getopts r:F ii while getopts r: ii do case $ii in r) FLAG1=$ii; OARG1="$OPTARG";; # F) FLAG2=$ii; OARG2="$OPTARG";; ?) Usage; exit 2;; esac done shift ` expr $OPTIND - 1 ` #echo FLAG1 = $FLAG1 , OARG1 = $OARG1 if [ $# -lt 1 ]; then Usage exit fi homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi bkextn=sedit_bak cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` tmpaa=`dirname $1` if [ "$tmpaa" = "." ]; then fname=$1 if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename $1` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname # If file is already checked out by another developer.... cvs_root=` echo $CVSROOT | cut -f1 -d' ' ` if [ "$cvs_root" = "" ]; then print "\nError: \$CVSROOT is not set!!\n" exit fi mkdir -p "$CVSROOT/$subdir/Locks" 2>/dev/null if [ ! -e "$CVSROOT/$subdir/$fname,v" ]; then print "\nError: File $fname does not exist in CVS repository!!\n" exit fi # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Get the tip revision number of the file.... # Use tmpfile as the arg cannot be set inside the sub-shell tmpfile=$homedir/sedit-lock.tmp \rm -f $tmpfile 2>/dev/null if [ "$FLAG1" = "" ]; then ( cd $homedir if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs log $fname | head -6 | grep head: | awk '{print $2}' > $tmpfile else cvs log "$subdir/$fname" | head -6 | grep head: | awk '{print $2}' > $tmpfile fi ) OARG1=`cat $tmpfile` \rm -f $tmpfile 2>/dev/null fi lockfile="$CVSROOT/$subdir/Locks/$fname-$OARG1" #echo "lockfile is : " $lockfile #if [ -e $lockfile -a "$FLAG2" = "" ]; then if [ -e $lockfile ]; then print "\nError: File $fname Revision $OARG1 already locked by another developer !!" aa=` ls -l $lockfile | awk '{print "Locking developers unix login name is = " $3}' ` print $aa print "That developer should do scommit OR sunlock to release the lock" print " " # print "You can also use -F option to force edit the file even if" # print "the file is locked by another developer. But you must talk to" # print "other developer to work concurrently on this file." # print "For example - this option is useful if you work on a seperate" # print "C++ function in the file which does not interfere with other" # print "developer." # print " " exit fi # Get read-only copy now.... if [ ! -e "$HOME/$subdir/$fname" ]; then ( cd $homedir if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout $fname 1>/dev/null else cvs -r checkout "$subdir/$fname" 1>/dev/null fi ) fi # Check if file already exists.... tmpaa="$HOME/$subdir/$fname" if [ -f $tmpaa ]; then user_perms=" " group_perms=" " other_perms=" " user_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b3-3 ` group_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b6-6 ` other_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b9-9 ` if [ "$user_perms" = "w" -o "$group_perms" = "w" \ -o "$other_perms" = "w" ]; then print "\nError: The file is writable. Aborting $cmdname ......" print " You must backup, scommit or delete file and" print " try $cmdname again\n" exit fi #print "\nNote: The file $tmpaa is read-only." #print "Hence I am moving it to $tmpaa.$bkextn ....\n" \mv -f $tmpaa $tmpaa.$bkextn chmod 444 $tmpaa.$bkextn elif [ -d $tmpaa ]; then print "\nError: $tmpaa is a directory and NOT a file. Aborting $cmdname ....\n" exit fi # Create subshell print "\nNow getting the file $fname from CVS repository ...\n" ( cd $homedir # Use -A option to clear the sticky tag and to get # the HEAD revision version if [ "$FLAG1" = "" ]; then if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -w checkout -A $fname else cvs -w checkout -A "$subdir/$fname" fi else if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -w checkout -A -$FLAG1 $OARG1 $fname else cvs -w checkout -A -$FLAG1 $OARG1 "$subdir/$fname" fi fi ) if [ -e "$HOME/$subdir/$fname" ]; then # The lockfile is $CVSROOT/$subdir/Locks/$fname-$OARG1 touch $lockfile if [ -e $lockfile ]; then print "\nDone $cmdname" else print "\nFatal Error: File $fname Revision $OARG1 not locked !!" print "\nCheck the reason for this failure.. before proceeding..." fi fi #pwd #print "\nTip (Usage): $cmdname <filename> \n"
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program scommit # Program to commit the changes and check in the file into CVS # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play a important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` Usage() { print "\nUsage: $cmdname [-r revision_number] <filename>" print "The options -r are optional " print "For example - " print " $cmdname -r 1.1 foo.cpp" print " $cmdname foo.cpp " print " " } # Command getopt will not supported in next major release. # Use getopts instead. while getopts r: ii do case $ii in r) FLAG1=$ii; OARG1="$OPTARG";; ?) Usage; exit 2;; esac done shift ` expr $OPTIND - 1 ` #echo FLAG1 = $FLAG1 , OARG1 = $OARG1 if [ $# -lt 1 ]; then Usage exit 2 fi if [ -d $1 ]; then Usage exit 2 fi homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi # Find sub-directory cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` tmpaa=`dirname $1` if [ "$tmpaa" = "." ]; then fname=$1 if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename $1` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi # echo "subdir is : " $subdir # echo "fname is : " $fname # If file is already checked out by another user.... cvs_root=` echo $CVSROOT | cut -f1 -d' ' ` if [ "$cvs_root" = "" ]; then print "\nError: \$CVSROOT is not set!!\n" exit fi mkdir -p "$CVSROOT/$subdir/Locks" 2>/dev/null # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Get the working revision number of the file.... # Use tmpfile as the arg cannot be set inside the sub-shell tmpfile=$homedir/sedit-lock.tmp \rm -f $tmpfile 2>/dev/null if [ "$FLAG1" = "" ]; then ( cd $homedir if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs status $fname 2>/dev/null | grep "Working revision:" | awk '{print $3}' >$tmpfile else cvs status "$subdir/$fname" 2>/dev/null | grep "Working revision:" | awk '{print $3}' >$tmpfile fi ) OARG1=`cat $tmpfile` \rm -f $tmpfile 2>/dev/null fi if [ "$OARG1" = "" -o "$OARG1" = "New" -o "$OARG1" = "NEW" ]; then print "The file $subdir/$fname is NEW, it is not in the CVS repository" print "The OARG1 is $OARG1" else lockfile="$CVSROOT/$subdir/Locks/$fname-$OARG1" if [ -e $lockfile ]; then # Check if this revision is owned by you... aa=` ls -l $lockfile | awk '{print $3}' ` userid=`id | cut -d'(' -f2 | cut -d')' -f1 ` if [ "$aa" != "$userid" ]; then print " " print "The file $subdir/$fname is NOT locked by you!!" print "It is locked by unix user name $aa and your login name is $userid" # print "If you are working concurrently with other developer" # print "and you used -F option with sedit." print "You need to wait untill other developer does scommit" print "or sunlock" print "Aborting the $cmdname ...." print " " exit 2 fi else # The file must exist in cvs if [ -f "$CVSROOT/$subdir/$fname,v" ]; then print "You did not lock the file $subdir/$fname with sedit!!" print "Aborting the $cmdname ...." exit 2 else print "\nThe file $subdir/$fname does not exist in CVS repository yet!!" print "You should have done sadd on $subdir/$fname ...." exit 2 fi fi fi # Operate inside sub-shell - and operate from root directory ( cd $homedir # Do not allow directory commits for now ... #if [ -d "$subdir/$fname" ]; then # cvs commit "$subdir/$fname" #fi if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs commit $fname else cvs commit "$subdir/$fname" fi exit_status=$? if [ $exit_status -eq 0 ]; then lockfile="$CVSROOT/$subdir/Locks/$fname-$OARG1" if [ -e $lockfile ]; then \rm -f $lockfile fi # Must change the permissions on file in case # there are no changes to file chmod a-w "$HOME/$subdir/$fname" print "\nDone $cmdname. $cmdname successful" #print "\nTip (Usage): $cmdname <filename/directory name>\n" fi )
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program supdate # Program to update the file from CVS read/write mode # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` if [ $# -lt 1 ]; then print "\nUsage: $cmdname <filename>" exit fi # Put double quotes to protect spaces in $1 tmpaa="$1" # Check if file already exists.... if [ $# -gt 0 -a -f $tmpaa ]; then user_perms=" " group_perms=" " other_perms=" " user_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b3-3 ` group_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b6-6 ` other_perms=`ls -l $tmpaa | awk '{print $tmpaa }' | cut -b9-9 ` if [ "$user_perms" = "w" -o "$group_perms" = "w" \ -o "$other_perms" = "w" ]; then while : do print "\n$cmdname will backup your working file " print "$tmpaa to $tmpaa.supdate_bak before doing any merges." print "Are you sure you want the merge the changes from" print -n "CVS repository to your working file ? <y/n> [n]: " read ans if [ "$ans" = "y" -o "$ans" = "Y" ]; then if [ -f $tmpaa.supdate_bak ]; then print "\nWarning : File $tmpaa.supdate_bak already exists!!" print "Please examine the file $tmpaa.supdate_bak and delete it" print "and then re-try this $cmdname " print "Aborting $cmdname ...." exit else cp $tmpaa $tmpaa.supdate_bak break fi elif [ "$ans" = "n" -o "$ans" = "N" -o "$ans" = "" -o "$ans" = " " ]; then exit fi done fi fi if [ -d $tmpaa ]; then print "\nDirectory update is disabled because cvs update" print "merges the changes from repository to your working directory." print "Hence give the filename to update - as shown below: " print " Usage: $cmdname <filename>" exit # cvs update else cvs update $tmpaa fi print "\nDone $cmdname. $cmdname successful" print "\n\nThe original file is backed-up to $tmpaa.supdate_bak" print "\nHence your original file is SAVED to $tmpaa.supdate_bak" print "\n\n" #print "\nTip (Usage): $cmdname <filename/directory name>\n"
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sunlock # Program to unlock the file to release the lock done by sedit # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` Usage() { print "\nUsage: $cmdname [-r revision_number] <filename>" print " The options -r is optional " print "For example - " print " $cmdname -r 1.1 foo.cpp" print " $cmdname foo.cpp " print " " } # Command getopt will not supported in next major release. # Use getopts instead. while getopts r: ii do case $ii in r) FLAG1=$ii; OARG1="$OPTARG";; ?) Usage; exit 2;; esac done shift ` expr $OPTIND - 1 ` if [ $# -lt 1 ]; then Usage exit fi homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir tmpaa=`dirname $1` if [ "$tmpaa" = "." ]; then fname=$1 if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename $1` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname cvs_root=` echo $CVSROOT | cut -f1 -d' ' ` if [ "$cvs_root" = "" ]; then print "\nError: \$CVSROOT is not set!!\n" exit fi if [ ! -e "$CVSROOT/$subdir/$fname,v" ]; then print "\nError: File $fname does not exist in CVS repository!!\n" exit fi # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Get the tip revision number of the file.... # Use tmpfile as the arg cannot be set inside the sub-shell tmpfile=$homedir/sunlock-lock.tmp \rm -f $tmpfile 2>/dev/null if [ "$FLAG1" = "" ]; then # Operate inside sub-shell - from root directory ( cd $homedir if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs log $fname | head -6 | grep head: | awk '{print $2}' > $tmpfile else cvs log "$subdir/$fname" | head -6 | grep head: | awk '{print $2}' > $tmpfile fi ) OARG1=`cat $tmpfile` \rm -f $tmpfile 2>/dev/null fi lockfile="$CVSROOT/$subdir/Locks/$fname-$OARG1" #echo lockfile is : $lockfile if [ ! -e $lockfile ]; then print "\nFile $fname revision $OARG1 is NOT locked by anyone" print " " exit fi ans="" while : do print "\n\n***************************************************" print "WARNING: $cmdname will release lock and enable other" print " developers to edit the file. It is advisable" print " to save your changes with scommit command" print "***************************************************" print -n "\nAre you sure you want to unlock the file <y/n>? [n]: " read ans if [ "$ans" = "" -o "$ans" = " " -o "$ans" = "n" -o "$ans" = "N" ]; then print "\nAborting $cmdname ...." exit fi if [ "$ans" = "y" -o "$ans" = "Y" ]; then print "\n\n\n\n\n " print "CAUTION: You may lose all the changes made to file!!" print -n "Are you sure? Do you really want to unlock the file <y/n>? [n]: " read ans if [ "$ans" = "y" -o "$ans" = "Y" ]; then break elif [ "$ans" = "" -o "$ans" = " " -o "$ans" = "n" -o "$ans" = "N" ]; then exit else print "\n\nWrong entry. Try again..." sleep 1 fi else print "\n\nWrong entry. Try again..." sleep 1 fi done if [ -e $lockfile ]; then \rm -f $lockfile print "\nDone $cmdname" else print "\nFile $fname is NOT locked by anyone" print " " fi
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
Note that there is also another Unix command by the name slist (list available Netware servers). You should make sure the CVS script slist comes before other in your PATH environment.
#!/bin/ksh # CVS program slist # Program to list all edited source files from CVS # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' # Usage: # $ slist (All files and sub-directories) # $ slist *.* (All files) # $ slist * (All files and sub-directories) # $ slist ab* (All files starting with ab wild-card) homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir # If file is already checked out by another developer.... cvs_root=` echo $CVSROOT | cut -f1 -d' ' ` if [ "$cvs_root" = "" ]; then print "\nError: \$CVSROOT is not set!!\n" exit fi # If the current directory tree is not in cvs-root then exit if [ ! -d $CVSROOT/$subdir ]; then print "\nThe directory $subdir does not exist in $CVSROOT" exit fi #echo "no of params : " $# #echo "The arg $ 1 is : " $1 #echo "all args : " $@ if [ $# -eq 0 ]; then #tmpbb=` find * -prune -type d ` tmpbb=` find * -maxdepth 0 -type d ` elif [ $# -eq 1 ]; then if [ "$1" = "." ]; then #tmpbb=` find * -prune -type d ` tmpbb=` find * -maxdepth 0 -type d ` else if [ -d $1 -a ! -d $CVSROOT/$subdir/$1 ]; then print "\nThe directory $subdir/$1 does not exist in $CVSROOT" exit fi tmpbb=$@ fi else tmpbb=$@ fi #echo "The tmpbb is : " $tmpbb # Now, remove all the directory names which are not in cvs-root dirnames="" for ii in $tmpbb ; do if [ -d $CVSROOT/$subdir/$ii ]; then dirnames="$dirnames $ii " fi done #echo "The dirnames is : " $dirnames if [ "$dirnames" != "" ]; then find $dirnames -type f | while read ii do # List only those files which are in cvs system if [ -f "$CVSROOT/$subdir/$ii,v" ]; then #echo "ii is : " $ii ls -l $ii | grep ^\-rw fi done; fi # Get all the files in the current directory listfiles=`ls $tmpbb ` # Option prune does not work use maxdepth #find * -prune -type f | find * -maxdepth 0 -type f | while read ii do for jj in $listfiles ; do if [ "$jj" = "$ii" ]; then # List only those files which are in cvs system if [ -f "$CVSROOT/$subdir/$ii,v" ]; then #echo "ii is : " $ii ls -l $ii | grep ^\-rw fi fi done done;
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sinfo # Program to get the status of files in working directory # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` if [ $# -lt 1 ]; then print "\nUsage: $cmdname [file/directory name] " print "For example - " print " $cmdname foo.cpp" print " $cmdname some_directory " print " " exit fi homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir tmpaa=`dirname $1` if [ "$tmpaa" = "." ]; then fname=$1 if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename $1` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Create subshell if [ -f $1 ]; then ( cd $homedir clear print "\ncvs status is : " cvs status "$subdir/$fname" ) elif [ -d $1 ]; then ( cd $homedir clear print "\ncvs status is : " tmpfile="$homedir/cvs_sinfo.tmp" rm -f $tmpfile echo " " >> $tmpfile echo " ****************************************" >> $tmpfile echo " Overall Status of Directory" >> $tmpfile echo " ****************************************" >> $tmpfile cvs release "$subdir/$fname" 1>>$tmpfile 2>>$tmpfile << EOF N EOF echo "\n -------------------------------\n" >> $tmpfile aa=`cat $tmpfile | grep ^"M " | awk '{print $2}' ` for ii in $aa do jj="(cd $homedir; cvs status \"$subdir/$ii\" );" echo $jj | /bin/sh \ | grep -v Sticky | awk '{if (NF != 0) print $0}' \ 1>>$tmpfile 2>>$tmpfile done cat $tmpfile | grep -v ^? | grep -v "Are you sure you want to release" \ | less rm -f $tmpfile ) else print "\nArgument $1 if not a file or directory" exit fi
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program slog # Program to list history of the file in CVS # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` if [ $# -lt 1 ]; then print "\nUsage: $cmdname <filename> \n" exit fi # Check if file does not exist.... if [ ! -f "$1" ]; then print "\nError: $1 is NOT a file. Aborting $cmdname ......" exit fi homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir tmpaa=`dirname $1` if [ "$tmpaa" = "." ]; then fname="$1" if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename $1` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Operate inside a sub-shell ( cd $homedir cvs log "$homedir/$subdir/$fname" | less ) print "\nDone $cmdname. $cmdname successful" #print "\nTip (Usage): $cmdname <filename>\n"
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sdif # Program to see difference of the working file with CVS copy # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` Usage() { print "\nUsage: $cmdname <filename> " print "$cmdname -r<rev1> -r<rev2> <filename> \n" exit } homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi FLAG1="" FLAG2="" OARG1="" OARG2="" # Command getopt will not supported in next major release. # Use getopts instead. while getopts r:r: ii do case $ii in r) if [ "$FLAG1" = "" ]; then FLAG1=$ii; OARG1="$OPTARG" else FLAG2=$ii; OARG2="$OPTARG" fi ;; ?) Usage; exit 2;; esac done shift ` expr $OPTIND - 1 ` if [ "$FLAG2" = "" ]; then FLAG2=r OARG2=HEAD fi cur_dir=`pwd` #echo $cur_dir len=${#homedir} len=$(($len + 2)) #echo $len subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir tmpaa=`dirname $1` if [ "$tmpaa" = "." ]; then fname="$1" if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename $1` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Operate inside sub-shell ( cd $homedir if [ "$FLAG1" = "" ]; then cvs diff -r HEAD "$homedir/$subdir/$fname" | less else cvs diff -$FLAG1 $OARG1 -$FLAG2 $OARG2 "$homedir/$subdir/$fname" | less fi )
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sadd # Program to add the file to CVS # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` if [ $# -lt 1 ]; then print "\nUsage: $cmdname <filename/directory> \n" exit fi onearg="$1" if [ ! -f "$onearg" -a ! -d "$onearg" ]; then print "\nArgument $onearg is not a file or a directory!" print "Usage: $cmdname <filename/directory> \n" exit fi # Argument is a directory name ..... homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cvs_root=` echo $CVSROOT | cut -f1 -d' ' ` if [ "$cvs_root" = "" ]; then print "\nError: \$CVSROOT is not set!!\n" exit fi cur_dir=`pwd` len=${#homedir} len=$(($len + 2)) subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir tmpaa=`dirname "$onearg" ` if [ "$tmpaa" = "." ]; then fname="$onearg" if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename "$onearg" ` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Check if file exists .... if [ $# -eq 1 ]; then if [ -f "$onearg" ]; then cvs add "$onearg" exit fi elif [ $# -gt 1 ]; then print "\n\n\nAdding all the files in the current directory to CVS" print "Directories will not be added" print -n "Hit return to continue or CTRL+C to abort..." read ans for ii in $@ do if [ -f "$ii" ]; then cvs add "$ii" fi done; exit fi # When $subdir is "." then you are at the root directory if [ "$subdir" = "." ]; then # The $onearg is a directory and not a file at this point... if [ -d "$CVSROOT/$onearg" ]; then print "\nDirectory $onearg already exists in CVSROOT" exit else # You are adding at root directory $CVSROOT if [ "$2" = "" -o "$3" = "" ]; then print "\nUsage: $cmdname <directory> <vendor tag> <release tag>" print "For example - " print " $cmdname foo_directory V_1_0 R_1_0" exit else ( cd "$homedir/$subdir"; cvs import "$onearg" $2 $3 ) fi fi else # If current directory exists in CVS... if [ -d "$CVSROOT/$subdir/$onearg" ]; then print "\nDirectory $onearg already in CVS repository!" exit else ( if [ -d "$homedir/$subdir/$onearg/CVS" ]; then print "\nError: Directory $homedir/$subdir/$onearg/CVS exists!!" print "\nAborting now ...." exit fi # For import you MUST change to target directory # and you MUST specify full-path starting with $subdir cd "$homedir/$subdir/$onearg"; cvs import "$subdir/$onearg" Ver_1 Rel_1 ) fi fi
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sdelete # Program to delete the file from CVS # Every filename is composed of 3 parts - Home directory, sub-directory # and the filename. The full-path is $HOME/$subdir/$fname # And in CVS the same directory structure is maintained (by # variable $subdir) therefore in cvs we will have $CVSROOT/$subdir/$fname # In this program these 4 variables $HOME, $CVSROOT, $subdir and $fname # play an important role. For example, sample values can be like # HOME=/home/aldev, subdir=myproject/src CVSROOT=/home/cvsroot # and fname=foo.cpp # Caution: Put double-quotes to protect the variables having # spaces, like "$HOME/$subdir" if subdir is 'some foo.cpp' cmdname=`basename $0` if [ $# -lt 1 ]; then print "\nUsage: $cmdname <filename> \n" exit fi onearg="$1" homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cur_dir=`pwd` len=${#homedir} len=$(($len + 2)) subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir tmpaa=`dirname "$onearg" ` if [ "$tmpaa" = "." ]; then fname="$onearg" if [ "$subdir" = "" ]; then subdir=$tmpaa fi else fname=`basename "$onearg" ` if [ "$subdir" = "" ]; then subdir=$tmpaa else subdir="$subdir/$tmpaa" fi fi #echo "subdir is : " $subdir #echo "fname is : " $fname # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi # Operate inside a sub-shell ... ( cd $homedir # Check if file does not exist.... if [ ! -f "$subdir/$fname" ]; then # Try to get the file from CVS sget "$subdir/$fname" if [ ! -f "$subdir/$fname" ]; then print "\nError: $subdir/$fname does NOT exist in CVS repository." print "\nAborting $cmdname ......" exit fi fi bkextn=cvs_sdelete_safety_backup \mv -f "$subdir/$fname" "$subdir/$fname.$bkextn" cvs remove "$subdir/$fname" print "\nsdelete command removes the file from CVS repository" print "and archives the file in CVS Attic directory. In case" print "you need this file in future then contact your CVS administrator" print " " print "\nDone $cmdname. $cmdname successful" print "Run scommit on $homedir/$subdir/$fname to" print "make this change permanent" \mv -f "$subdir/$fname.$bkextn" "$subdir/$fname" )
NOTE : Get the Korn shell /bin/ksh by installing pdksh*.rpm from the Linux contrib cdrom
Save this file as a text file and chmod a+rx on it.
#!/bin/ksh # CVS program sfreeze # Program to freeze and cut out the release of source tree from CVS cmdname=`basename $0` Usage() { clear print "\nUsage: $cmdname symbolic_tag <directory name> " print "\nFor example :- " print " cd \$HOME" print " $cmdname REVISION_1 myprojectsource_directory" print "To see the list of revisons do -" print "slog <filename> and see the symbolic name and do -" print "cvs history -T" print "\nTo create a branch off-shoot from main trunk, use" print "the -b and -r options which makes the tag a branch tag. This is" print "useful for creating a patch to previously released software" print "For example :- " print " cd \$HOME" print " cvs rtag -b -r REVISION_1 REVISION_1_1 myprojectsource_directory" print " " # print "\nTag info is located at \$CVSROOT/CVSROOT/taginfo,v" # print "You can do - cd $HOME; sget CVSROOT" # print "to see this file" exit } # Command getopt will not supported in next major release. # Use getopts instead. #while getopts r: ii #do # case $ii in # r) FLAG1=$ii; OARG1="$OPTARG";; # ?) Usage; exit 2;; # esac #done #shift ` expr $OPTIND - 1 ` #echo FLAG1 = $FLAG1 , OARG1 = $OARG1 if [ $# -lt 2 ]; then Usage fi if [ ! -d $2 ]; then print "\nError: Second argument $2 is not a directory!" print " Aborting $cmdname...." print " " exit fi homedir=` echo $HOME | cut -f1 -d' ' ` if [ "$homedir" = "" ]; then print "\nError: \$HOME is not set!!\n" exit fi cur_dir=`pwd` len=${#homedir} len=$(($len + 2)) subdir=` echo $cur_dir | cut -b $len-2000 ` #echo "subdir is : " $subdir # CVS directory in your local directory is required for all commands.. if [ ! -d "$homedir/$subdir/CVS" ]; then #tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) ` tmpaa=` (cd "$CVSROOT/$subdir"; find * -maxdepth 0 -type f -print | head -1 ) ` tmpbb=`basename $tmpaa | cut -d',' -f1 ` if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then print "\nThe directory $homedir/$subdir/CVS does not exist" print "You must do a sget on `basename $subdir` directory. Give -" print " cd $homedir/`dirname $subdir` " print " sget `basename $subdir` " exit else # Now try to create CVS in local dir by sget ( cd "$homedir" if [ "$subdir" = "." ]; then # don't use dot, will mess up cvs cvs -r checkout -A $tmpbb else cvs -r checkout -A "$subdir/$tmpbb" fi ) fi fi if [ "$cur_dir" != "$homedir" ]; then print "\nYou are not in home directory $homedir!!" print "You must give the sfreeze command " print "from home directory $homedir" exit fi # cvs rtag symbolic_tag <directory name> cvs rtag $1 $2 print "\nDone $cmdname. $cmdname successful"