ed016612e6
If the user specifies a pager of "cat" (or the empty string), whether it is in the environment or from config, we automagically optimize it out to mean "no pager" and avoid forking at all. We treat an empty pager variable similary. However, we did not apply this optimization when DEFAULT_PAGER was set to "cat" (or the empty string). There is no reason to treat DEFAULT_PAGER any differently. The optimization should not be user-visible (unless the user has a bizarre "cat" in their PATH). And even if it is, we are better off behaving consistently between the compile-time default and the environment and config settings. The stray "else" we are removing from this code was introduced by402461a(pager: do not fork a pager if PAGER is set to empty., 2006-04-16). At that time, the line directly above used: if (!pager) pager = "less"; as a fallback, meaning that it could not possibly trigger the optimization. Later,a3d023d(Provide a build time default-pager setting, 2009-10-30) turned that constant into a build-time setting which could be anything, but didn't loosen the "else" to let DEFAULT_PAGER use the optimization. Noticed-by: Dale R. Worley <worley@alum.mit.edu> Suggested-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git - the stupid content tracker
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"git" can mean anything, depending on your mood.
- random three-letter combination that is pronounceable, and not
actually used by any common UNIX command. The fact that it is a
mispronunciation of "get" may or may not be relevant.
- stupid. contemptible and despicable. simple. Take your pick from the
dictionary of slang.
- "global information tracker": you're in a good mood, and it actually
works for you. Angels sing, and a light suddenly fills the room.
- "goddamn idiotic truckload of sh*t": when it breaks
Git is a fast, scalable, distributed revision control system with an
unusually rich command set that provides both high-level operations
and full access to internals.
Git is an Open Source project covered by the GNU General Public
License version 2 (some parts of it are under different licenses,
compatible with the GPLv2). It was originally written by Linus
Torvalds with help of a group of hackers around the net.
Please read the file INSTALL for installation instructions.
See Documentation/gittutorial.txt to get started, then see
Documentation/everyday.txt for a useful minimum set of commands, and
Documentation/git-commandname.txt for documentation of each command.
If git has been correctly installed, then the tutorial can also be
read with "man gittutorial" or "git help tutorial", and the
documentation of each command with "man git-commandname" or "git help
commandname".
CVS users may also want to read Documentation/gitcvs-migration.txt
("man gitcvs-migration" or "git help cvs-migration" if git is
installed).
Many Git online resources are accessible from http://git-scm.com/
including full documentation and Git related tools.
The user discussion and development of Git take place on the Git
mailing list -- everyone is welcome to post bug reports, feature
requests, comments and patches to git@vger.kernel.org (read
Documentation/SubmittingPatches for instructions on patch submission).
To subscribe to the list, send an email with just "subscribe git" in
the body to majordomo@vger.kernel.org. The mailing list archives are
available at http://news.gmane.org/gmane.comp.version-control.git/,
http://marc.info/?l=git and other archival sites.
The maintainer frequently sends the "What's cooking" reports that
list the current status of various development topics to the mailing
list. The discussion following them give a good reference for
project status, development direction and remaining tasks.