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Code Activity

Input: Replace markFileChanged() by putFile()

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Committing a lock file using markFileChanged() required the input to
be writable by the caller in the local filesystem (using the path
returned by getSourcePath()). putFile() abstracts over this.
This commit is contained in:
Eelco Dolstra 2023-10-25 18:18:15 +02:00
parent 5ac87a75dd
commit 95d657c8b3
8 changed files with 109 additions and 59 deletions
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21
src/libfetchers/mercurial.cc
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@ -109,7 +109,7 @@ struct MercurialInputScheme : InputScheme
return res;
}
std::optional<Path> getSourcePath(const Input & input) override
std::optional<Path> getSourcePath(const Input & input) const override
{
auto url = parseURL(getStrAttr(input.attrs, "url"));
if (url.scheme == "file" && !input.getRef() && !input.getRev())
@ -117,18 +117,27 @@ struct MercurialInputScheme : InputScheme
return {};
}
void markChangedFile(const Input & input, std::string_view file, std::optional<std::string> commitMsg) override
void putFile(
const Input & input,
const CanonPath & path,
std::string_view contents,
std::optional<std::string> commitMsg) const override
{
auto sourcePath = getSourcePath(input);
assert(sourcePath);
auto [isLocal, repoPath] = getActualUrl(input);
if (!isLocal)
throw Error("cannot commit '%s' to Mercurial repository '%s' because it's not a working tree", path, input.to_string());
auto absPath = CanonPath(repoPath) + path;
writeFile(absPath.abs(), contents);
// FIXME: shut up if file is already tracked.
runHg(
{ "add", *sourcePath + "/" + std::string(file) });
{ "add", absPath.abs() });
if (commitMsg)
runHg(
{ "commit", *sourcePath + "/" + std::string(file), "-m", *commitMsg });
{ "commit", absPath.abs(), "-m", *commitMsg });
}
std::pair<bool, std::string> getActualUrl(const Input & input) const