$ git clone -n https://src.fedoraproject.org/rpms/golang-github-muesli-cancelreader.git /var/lib/mock/f39-build-1503648-34980/root/chroot_tmpdir/scmroot/golang-github-muesli-cancelreader
Cloning into '/var/lib/mock/f39-build-1503648-34980/root/chroot_tmpdir/scmroot/golang-github-muesli-cancelreader'...
$ git fetch origin a572ecca089f6670a7b5010a279929b9361a5d74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-muesli-cancelreader
 * [new ref]         a572ecca089f6670a7b5010a279929b9361a5d74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a572ecc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild