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fetchGit: Fix handling of local repo when not using 'master' branch

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Add tests checking this behavior.
This commit is contained in:
Will Dietz 2017-12-22 14:18:29 -06:00
parent aa43cbb764
commit 2e6f06c37e
2 changed files with 31 additions and 1 deletions
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6
src/libexpr/primops/fetchGit.cc
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@ -23,7 +23,7 @@ struct GitInfo
};
GitInfo exportGit(ref<Store> store, const std::string & uri,
std::experimental::optional<std::string> ref, const std::string & rev,
std::experimental::optional<std::string> ref, std::string rev,
const std::string & name)
{
if (!ref && rev == "" && hasPrefix(uri, "/") && pathExists(uri + "/.git")) {
@ -68,6 +68,10 @@ GitInfo exportGit(ref<Store> store, const std::string & uri,
return gitInfo;
}
// clean working tree, but no ref or rev specified. Use 'HEAD'.
rev = chomp(runProgram("git", true, { "-C", uri, "rev-parse", "HEAD" }));
ref = "HEAD"s;
}
if (!ref) ref = "master"s;