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Use git_blob_filter instead of git_blob_rawcontent

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This commit is contained in:
Josh Spence 2025-07-08 17:59:18 +10:00
parent cf0df2607d
commit 14a7b651c1
1 changed files with 24 additions and 1 deletions
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25
src/libfetchers/git-utils.cc
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@ -668,6 +668,7 @@ struct GitSourceAccessor : SourceAccessor
struct State
{
ref<GitRepoImpl> repo;
std::string gitRev;
Object root;
std::optional<lfs::Fetch> lfsFetch = std::nullopt;
};
@ -678,6 +679,7 @@ struct GitSourceAccessor : SourceAccessor
: state_{
State {
.repo = repo_,
.gitRev = rev.gitRev(),
.root = peelToTreeOrBlob(lookupObject(*repo_, hashToOID(rev)).get()),
.lfsFetch = smudgeLfs ? std::make_optional(lfs::Fetch(*repo_, hashToOID(rev))) : std::nullopt,
}
@ -707,7 +709,28 @@ struct GitSourceAccessor : SourceAccessor
}
}
return std::string((const char *) git_blob_rawcontent(blob.get()), git_blob_rawsize(blob.get()));
// Apply git filters including CRLF conversion
git_buf filtered = GIT_BUF_INIT;
git_blob_filter_options opts = GIT_BLOB_FILTER_OPTIONS_INIT;
git_oid oid;
if (git_oid_fromstr(&oid, state->gitRev.c_str()))
throw Error("cannot convert '%s' to a Git OID", state->gitRev.c_str());
opts.attr_commit_id = oid;
opts.flags = GIT_BLOB_FILTER_ATTRIBUTES_FROM_COMMIT;
int error = git_blob_filter(&filtered, blob.get(), path.rel_c_str(), &opts);
if (error != 0) {
const git_error *e = git_error_last();
std::string errorMsg = e ? e->message : "Unknown error";
git_buf_dispose(&filtered);
throw std::runtime_error("Failed to filter blob: " + errorMsg);
}
std::string result(filtered.ptr, filtered.size);
git_buf_dispose(&filtered);
return result;
}
std::string readFile(const CanonPath & path) override