$ git clone -n https://src.fedoraproject.org/rpms/llvm-test-suite.git /var/lib/mock/f42-build-side-114787-60991318-6587350/root/chroot_tmpdir/scmroot/llvm-test-suite
Cloning into '/var/lib/mock/f42-build-side-114787-60991318-6587350/root/chroot_tmpdir/scmroot/llvm-test-suite'...
$ git fetch origin 9798ef24f8079a168c6098657887f142791ba288:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/llvm-test-suite
 * [new ref]         9798ef24f8079a168c6098657887f142791ba288 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9798ef2 Update to LLVM 20.1.8