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Make changes to support libgit2 experimental API

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This experimental interface is likely to become stable with libgit2 2.0.
This commit is contained in:
John Ericson 2025-11-09 18:22:12 -05:00
parent 9846305fee
commit 6da56d7ed4
1 changed files with 32 additions and 6 deletions
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38
src/libfetchers/git-utils.cc
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@ -91,10 +91,21 @@ typedef std::unique_ptr<git_indexer, Deleter<git_indexer_free>> Indexer;
Hash toHash(const git_oid & oid)
{
#ifdef GIT_EXPERIMENTAL_SHA256
assert(oid.type == GIT_OID_SHA1);
#endif
Hash hash(HashAlgorithm::SHA1);
HashAlgorithm algo;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wswitch-enum"
switch (oid.type) {
case GIT_OID_SHA1:
algo = HashAlgorithm::SHA1;
break;
case GIT_OID_SHA256:
algo = HashAlgorithm::SHA256;
break;
default:
unreachable();
}
#pragma GCC diagnostic pop
Hash hash(algo);
memcpy(hash.hash, oid.id, hash.hashSize);
return hash;
}
@ -111,7 +122,21 @@ static void initLibGit2()
git_oid hashToOID(const Hash & hash)
{
git_oid oid;
if (git_oid_fromstr(&oid, hash.gitRev().c_str()))
git_oid_t t;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wswitch-enum"
switch (hash.algo) {
case HashAlgorithm::SHA1:
t = GIT_OID_SHA1;
break;
case HashAlgorithm::SHA256:
t = GIT_OID_SHA256;
break;
default:
throw Error("unsupported hash algorithm for Git: %s", printHashAlgo(hash.algo));
}
#pragma GCC diagnostic pop
if (git_oid_fromstr(&oid, hash.gitRev().c_str(), t))
throw Error("cannot convert '%s' to a Git OID", hash.gitRev());
return oid;
}
@ -304,7 +329,8 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
// (synchronously on the git_packbuilder_write_buf thread)
Indexer indexer;
git_indexer_progress stats;
if (git_indexer_new(Setter(indexer), pack_dir_path.c_str(), 0, nullptr, nullptr))
git_indexer_options indexer_opts = GIT_INDEXER_OPTIONS_INIT;
if (git_indexer_new(Setter(indexer), pack_dir_path.c_str(), &indexer_opts))
throw Error("creating git packfile indexer: %s", git_error_last()->message);
// TODO: provide index callback for checkInterrupt() termination