CVS 1

1
CVS - 1

• PLUS ???
• -_-V

2
CVS is..what?

• Version control system
• Retrieves old versions
• Saves disk space
• merges the work
• Get this from
• ftp//prep.ai.mit.edu

3
Revision numbers
1.2.2.3.2.1
Branch 1.2.2.3.2
1.2.2.1
1.2.2.2
1.2.2.3
1.2.2.4
Branch1.2.2
1.1
1.2
1.4
1.5
1.3
Main trunk
1.2.4.3
1.2.4.2
1.2.4.1
Branch1.2.4
4
Basis

• Concurrent Versions System
• Current release CVS 1.11
• http//www.cyclic.com
• Apache HTTP server
• Mozilla
• cvs cvs option command command option

5
Summary

• Initialize a repository (CVS admin)
• Initialize a project (project leader)
• Provide your own space for the project
  (developer)
• Work!!(developer)
• Update your work and get the updated work
  (developer)

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Initialization of repository

• cvs d /home/CVS init
• Unable to overwrite
• Do not touch files in /home/CVS directly. CVS
  will do it for you.
• chgrp R cvs /home/CVS
• chmod R gw /home/CVS

7
Use of the repository

• csh or tcsh
• setenv CVSROOT /home/CVS
• bash
• CVSROOT/home/CVS
• export CVSROOT
• Password authentication
• is coming..later

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Initialization of the project

• In the directory where the sources to be imported
  place
• cvs import m mssg name_of_prj vendor_tag
  release_tag
• Eggt
• cvs import m imported sources jail won-ki
  start
• Do not mess with the files later on.

9
eggt
10
Multiple developerscheckout

• cvs checkout jail
• Uupdated
• /jail
• Files
• /CVS/
• Entries
• Repository
• Root

11
Multiple developerscommit
12
Multiple developerscommit
13
Multiple developerscommit

• cvs commit m blahblah

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Multiple developersupdate

• Update the source files
• Need not to checkout every time!!
• cvs update
• Mmodified
• Uupdated
• Cconflicted
• When conflict occurs, use update to solve!!

15
Multiple developersadd/delete

• File add
• cvs add file_name
• cvs update
• cvs commit m new file added file_name
• File delete
• rm file_name
• cvs delete file_name
• cvs update
• cvs commit m file deleted file_name