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Add abstract interface for writing files to an Input

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This commit is contained in:
Eelco Dolstra 2022-07-27 14:26:15 +02:00
parent bb4d35dcca
commit f780539406
8 changed files with 102 additions and 84 deletions
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21
src/libfetchers/git.cc
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@ -245,17 +245,28 @@ struct GitInputScheme : InputScheme
runProgram("git", true, args);
}
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
{
auto repoInfo = getRepoInfo(input);
assert(repoInfo.isLocal);
if (!repoInfo.isLocal)
throw Error("cannot commit '%s' to Git repository '%s' because it's not a working tree", path, input.to_string());
auto absPath = CanonPath(repoInfo.url) + path;
// FIXME: make sure that absPath is not a symlink that escapes
// the repo.
writeFile(absPath.abs(), contents);
runProgram("git", true,
{ "-C", repoInfo.url, "--git-dir", repoInfo.gitDir, "add", "--force", "--intent-to-add", "--", std::string(file) });
{ "-C", repoInfo.url, "--git-dir", repoInfo.gitDir, "add", "--force", "--intent-to-add", "--", std::string(path.rel()) });
if (commitMsg)
runProgram("git", true,
{ "-C", repoInfo.url, "--git-dir", repoInfo.gitDir, "commit", std::string(file), "-m", *commitMsg });
{ "-C", repoInfo.url, "--git-dir", repoInfo.gitDir, "commit", std::string(path.rel()), "-m", *commitMsg });
}
struct RepoInfo
@ -292,7 +303,7 @@ struct GitInputScheme : InputScheme
std::string gitDir = ".git";
};
RepoInfo getRepoInfo(const Input & input)
RepoInfo getRepoInfo(const Input & input) const
{
auto checkHashType = [&](const std::optional<Hash> & hash)
{