1f9becaedc
In the previous commit, Git learned 'hold_lock_file_for_update_mode' to allow the caller to specify the permission bits (prior to further adjustment by the umask and shared repository permissions) used when acquiring a temporary file. Use this in the commit-graph machinery for writing a non-split graph to acquire an opened temporary file with permissions read-only permissions to match the split behavior. (In the split case, Git uses git_mkstemp_mode' for each of the commit-graph layers with permission bits '0444'). One can notice this discrepancy when moving a non-split graph to be part of a new chain. This causes a commit-graph chain where all layers have read-only permission bits, except for the base layer, which is writable for the current user. Resolve this discrepancy by using the new 'hold_lock_file_for_update_mode' and passing the desired permission bits. Doing so causes some test fallout in t5318 and t6600. In t5318, this occurs in tests that corrupt a commit-graph file by writing into it. For these, 'chmod u+w'-ing the file beforehand resolves the issue. The additional spot in 'corrupt_graph_verify' is necessary because of the extra 'git commit-graph write' beforehand (which *does* rewrite the commit-graph file). In t6600, this is caused by copying a read-only commit-graph file into place and then trying to replace it. For these, make these files writable. Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> |
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| builtin | ||
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| compat | ||
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| INSTALL | ||
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README.md
Git - fast, scalable, distributed revision control system
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.
Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.
See Documentation/gittutorial.txt to get started, then see
Documentation/giteveryday.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).
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 https://lore.kernel.org/git/, http://marc.info/?l=git and other archival sites.
Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.
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.
The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (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