$ git clone -n https://src.fedoraproject.org/rpms/perl-Compress-Raw-Zlib.git /var/lib/mock/f39-build-1434926-31961/root/chroot_tmpdir/scmroot/perl-Compress-Raw-Zlib
Cloning into '/var/lib/mock/f39-build-1434926-31961/root/chroot_tmpdir/scmroot/perl-Compress-Raw-Zlib'...
$ git fetch origin 55483495a8f22a889923239a4f935f7a5cf0d662:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Compress-Raw-Zlib
 * [new ref]         55483495a8f22a889923239a4f935f7a5cf0d662 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5548349 2.206 bump (rhbz#2225674)