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Merge pull request #1787 from dtzWill/fix/git-not-on-PATH

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fix git cache 'corruption' when git not available, breaks all future use of fetchGit
This commit is contained in:
Eelco Dolstra 2018-01-09 16:49:44 +01:00 committed by GitHub
commit 3cd0704387
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2 changed files with 13 additions and 1 deletions
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1
src/libexpr/primops/fetchGit.cc
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@ -85,7 +85,6 @@ GitInfo exportGit(ref<Store> store, const std::string & uri,
Path cacheDir = getCacheDir() + "/nix/git";
if (!pathExists(cacheDir)) {
createDirs(cacheDir);
runProgram("git", true, { "init", "--bare", cacheDir });
}

13
tests/fetchGit.sh
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@ -119,3 +119,16 @@ path4=$(nix eval --raw "(builtins.fetchGit $repo).outPath")
# Confirm same as 'dev' branch
path5=$(nix eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
[[ $path3 = $path5 ]]
# Nuke the cache
rm -rf $TEST_HOME/.cache/nix/git
# Try again, but without 'git' on PATH
NIX=$(command -v nix)
# This should fail
(! PATH= $NIX eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath" )
# Try again, with 'git' available. This should work.
path5=$(nix eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
[[ $path3 = $path5 ]]