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a200dc9e1d
git only checks ceiling directories when its search ascends to a parent directory. A ceiling directory matching the starting directory will not prevent git from finding a repository in the starting directory or a parent directory. libgit2 handled the former case correctly, but differed from git in the latter case: given a ceiling directory matching the starting directory, but no repository at the starting directory, libgit2 would stop the search at that point rather than finding a repository in a parent directory. Test case using git command-line tools: /tmp$ git init x Initialized empty Git repository in /tmp/x/.git/ /tmp$ cd x/ /tmp/x$ mkdir subdir /tmp/x$ cd subdir/ /tmp/x/subdir$ GIT_CEILING_DIRECTORIES=/tmp/x git rev-parse --git-dir fatal: Not a git repository (or any of the parent directories): .git /tmp/x/subdir$ GIT_CEILING_DIRECTORIES=/tmp/x/subdir git rev-parse --git-dir /tmp/x/.git Fix the testsuite to test this case (in one case fixing a test that depended on the current behavior), and then fix find_repo to handle this case correctly. In the process, simplify and document the logic in find_repo(): - Separate the concepts of "currently checking a .git directory" and "number of iterations left before going further counts as a search" into two separate variables, in_dot_git and min_iterations. - Move the logic to handle in_dot_git and append /.git to the top of the loop. - Only search ceiling_dirs and find ceiling_offset after running out of min_iterations; since ceiling_offset only tracks the longest matching ceiling directory, if ceiling_dirs contained both the current directory and a parent directory, this change makes find_repo stop the search at the parent directory. |
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| clar_libgit2_timer.c | ||
| clar_libgit2_timer.h | ||
| clar_libgit2_trace.c | ||
| clar_libgit2_trace.h | ||
| clar_libgit2.c | ||
| clar_libgit2.h | ||
| clar.c | ||
| clar.h | ||
| generate_crlf.sh | ||
| generate.py | ||
| main.c | ||
| README.md | ||
| valgrind-supp-mac.txt | ||
Writing Clar tests for libgit2
For information on the Clar testing framework and a detailed introduction please visit:
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Write your modules and tests. Use good, meaningful names.
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Make sure you actually build the tests by setting:
cmake -DBUILD_CLAR=ON build/ -
Test:
./build/libgit2_clar -
Make sure everything is fine.
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Send your pull request. That's it.