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libfetchers/git: add missing --git-dir flags

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Naïm Favier 2022-06-10 12:57:13 +02:00
parent 1bc17ae617
commit da8f8668ca
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GPG key ID: 49B07322580B7EE2
1 changed files with 6 additions and 4 deletions
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10
src/libfetchers/git.cc
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@ -85,8 +85,9 @@ std::optional<std::string> readHead(const Path & path)
bool storeCachedHead(const std::string& actualUrl, const std::string& headRef)
{
Path cacheDir = getCachePath(actualUrl);
auto gitDir = ".";
try {
runProgram("git", true, { "-C", cacheDir, "symbolic-ref", "--", "HEAD", headRef });
runProgram("git", true, { "-C", cacheDir, "--git-dir", gitDir, "symbolic-ref", "--", "HEAD", headRef });
} catch (ExecError &e) {
if (!WIFEXITED(e.status)) throw;
return false;
@ -182,7 +183,7 @@ WorkdirInfo getWorkdirInfo(const Input & input, const Path & workdir)
if (hasHead) {
// Using git diff is preferrable over lower-level operations here,
// because its conceptually simpler and we only need the exit code anyways.
auto gitDiffOpts = Strings({ "-C", workdir, "diff", "HEAD", "--quiet"});
auto gitDiffOpts = Strings({ "-C", workdir, "--git-dir", gitDir, "diff", "HEAD", "--quiet"});
if (!submodules) {
// Changes in submodules should only make the tree dirty
// when those submodules will be copied as well.
@ -203,6 +204,7 @@ WorkdirInfo getWorkdirInfo(const Input & input, const Path & workdir)
std::pair<StorePath, Input> fetchFromWorkdir(ref<Store> store, Input & input, const Path & workdir, const WorkdirInfo & workdirInfo)
{
const bool submodules = maybeGetBoolAttr(input.attrs, "submodules").value_or(false);
auto gitDir = ".git";
if (!fetchSettings.allowDirty)
throw Error("Git tree '%s' is dirty", workdir);
@ -210,7 +212,7 @@ std::pair<StorePath, Input> fetchFromWorkdir(ref<Store> store, Input & input, co
if (fetchSettings.warnDirty)
warn("Git tree '%s' is dirty", workdir);
auto gitOpts = Strings({ "-C", workdir, "ls-files", "-z" });
auto gitOpts = Strings({ "-C", workdir, "--git-dir", gitDir, "ls-files", "-z" });
if (submodules)
gitOpts.emplace_back("--recurse-submodules");
@ -240,7 +242,7 @@ std::pair<StorePath, Input> fetchFromWorkdir(ref<Store> store, Input & input, co
// modified dirty file?
input.attrs.insert_or_assign(
"lastModified",
workdirInfo.hasHead ? std::stoull(runProgram("git", true, { "-C", actualPath, "log", "-1", "--format=%ct", "--no-show-signature", "HEAD" })) : 0);
workdirInfo.hasHead ? std::stoull(runProgram("git", true, { "-C", actualPath, "--git-dir", gitDir, "log", "-1", "--format=%ct", "--no-show-signature", "HEAD" })) : 0);
return {std::move(storePath), input};
}