Hello All,
I read the document of gitignore (http://git-scm.com/docs/gitignore),
and learned that $GIT_DIR/info/exclude has higher precedence than
the file specified by core.excludesfile.
But I noticed that patterns in core.excludesfile override patterns in
$GIT_DIR/info/exclude.
I tested as below:
1. Make a new git repository for test, and move into the repository.
$ git init testrepo
$ cd testrepo
2. Change core.excludesfile configuration.
$ touch ../core_excludesfile
$ git config core.excludesfile `realpath ../core_excludesfile`
3. Create test~. In each step I check if the file is ignored or not.
$ touch test~
4. See git status. In this case I expect that test~ should not be ignored.
$ git status --ignored
5. Change settings in .git/info/exclude.
$ echo '*~' > .git/info/exclude
6. See git status. In this case I expect that test~ should be ignored.
$ git status --ignored
7. Change settings in .git/info/exclude and core.excludesfile.
$ echo '*~' > ../core_excludesfile
$ echo '!*~' > .git/info/exclude
8. See git status. In this case I expect that test~ should not be ignored.
$ git status --ignored
9. Change settings in .git/info/exclude and core.excludesfile
$ echo '!*~' > ../core_excludesfile
$ echo '*~' > .git/info/exclude
10. See git status. In this case I expect that test~ should be ignored.
$ git status --ignored
Steps 4. and 6. worked as I expected, but 8. and 10. didn't.
I read the source code of Git, and found out the point that seems to
cause the problem.
In dir.c, setup_standard_excludes() adds patterns in .git/info/exclude to
the excludes list first, and patterns in core.excludesfile are added next.
In last_exclude_matching_from_list(), pattern is searched from the end of
the list, and the first matching pattern is used. Therefore the patterns
in core.excludesfile are used in precedence to .git/info/exclude.
To meet the precedence described in the document of gitignore, I guess
setup_standard_excludes() should be fixed so that patterns in
core.excludesfile are added to the list before those in
.git/info/ecdlude are added.
Thanks
--
遠藤 陽平 (Yohei Endo)
yoh...@gmail.com
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