$ git clone -n https://src.fedoraproject.org/rpms/golang-github-matryer-try.git /var/lib/mock/f39-build-1507823-35309/root/chroot_tmpdir/scmroot/golang-github-matryer-try
Cloning into '/var/lib/mock/f39-build-1507823-35309/root/chroot_tmpdir/scmroot/golang-github-matryer-try'...
$ git fetch origin 4c8532b36400dad52ec6df79de76394a899a2736:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-matryer-try
 * [new ref]         4c8532b36400dad52ec6df79de76394a899a2736 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c8532b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild