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GitInputScheme::getFingerprint(): Taking the submodules setting into account

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This setting changes the contents of the tree, so it affects the
evaluation cache and store path cache.
This commit is contained in:
Eelco Dolstra 2022-08-12 14:01:03 +02:00
parent 2d76ef0b7b
commit 639db1e4a8
1 changed files with 15 additions and 1 deletions
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16
src/libfetchers/git.cc
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@ -295,6 +295,11 @@ struct GitInputScheme : InputScheme
std::string gitDir = ".git"; std::string gitDir = ".git";
}; };
bool getSubmodulesAttr(const Input & input) const
{
return maybeGetBoolAttr(input.attrs, "submodules").value_or(false);
}
RepoInfo getRepoInfo(const Input & input) const RepoInfo getRepoInfo(const Input & input) const
{ {
auto checkHashType = [&](const std::optional<Hash> & hash) auto checkHashType = [&](const std::optional<Hash> & hash)
@ -308,7 +313,7 @@ struct GitInputScheme : InputScheme
RepoInfo repoInfo { RepoInfo repoInfo {
.shallow = maybeGetBoolAttr(input.attrs, "shallow").value_or(false), .shallow = maybeGetBoolAttr(input.attrs, "shallow").value_or(false),
.submodules = maybeGetBoolAttr(input.attrs, "submodules").value_or(false), .submodules = getSubmodulesAttr(input),
.allRefs = maybeGetBoolAttr(input.attrs, "allRefs").value_or(false) .allRefs = maybeGetBoolAttr(input.attrs, "allRefs").value_or(false)
}; };
@ -776,6 +781,15 @@ struct GitInputScheme : InputScheme
{ {
return (bool) input.getRev(); return (bool) input.getRev();
} }
std::optional<std::string> getFingerprint(ref<Store> store, const Input & input) const override
{
if (auto rev = input.getRev()) {
return fmt("%s;%s", rev->gitRev(), getSubmodulesAttr(input) ? "1" : "0");
} else
return std::nullopt;
}
}; };
static auto rGitInputScheme = OnStartup([] { registerInputScheme(std::make_unique<GitInputScheme>()); }); static auto rGitInputScheme = OnStartup([] { registerInputScheme(std::make_unique<GitInputScheme>()); });