$ git clone -n https://src.fedoraproject.org/rpms/clang15.git /var/lib/mock/f41-build-1642412-24166/root/chroot_tmpdir/scmroot/clang15
Cloning into '/var/lib/mock/f41-build-1642412-24166/root/chroot_tmpdir/scmroot/clang15'...
$ git fetch origin 97c7e684255bbc3901457a1665cbee952b8a582c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clang15
 * [new ref]         97c7e684255bbc3901457a1665cbee952b8a582c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97c7e68 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild