ClearCase |
By: Dave Goodall
IBM Rational ClearCase
ClearCase aka ClearTool is a version control tool from Rational.
The most important aspect of ClearCase is it's very elegant 'transparency'
When in ClearCase, versions appear to be just files in a standard directory tree.
There are no ugly special /rcs directories containing archives cluttering up the source tree.
Although the tool is elegant and powerful, the documentation is ... obscure.
The manual will tell you all about ClearCase and nothing about
how to actually, practically, use it.
ClearCase's only other drawback is that it's a Unix tool, but
then nothing's perfect.
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If you just want to get something done click here for 43 home baked command recipes, and links to more...
Getting Started
Replace <user_view> with your initials e.g.: <xyz_view>.
Replace <project_name> with the project name e.g.: <N2000>.
Add /usr/atria/bin to path.
Add /usr/atria/doc/man to MANPATH
Create your own working view with the following:
<on the host containing the vob area (servername)>
cd /vhe/proj/views
cleartool mkview -tag <user>_view <user>_view.vws
Conventions
If your site stores PC generated content in ClearCase then I
recommend that you store that source in the native MS-DOS format
i.e.: CR/LF terminated lines.
To convert from DOS (CR+LF) line terminated files to Unix (single
LF) format and vice versa use flip (on the Unix server),
dosify.exe, unixify.exe on the pc.
Observance of this convention will make diffing simpler, and
deltas smaller!
Resources
IBM® Rational® ClearCase® are trademarks of IBM Corporation.
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