$ git clone -n https://src.fedoraproject.org/rpms/mpg123.git /var/lib/mock/f42-build-869583-176669/root/chroot_tmpdir/scmroot/mpg123
Cloning into '/var/lib/mock/f42-build-869583-176669/root/chroot_tmpdir/scmroot/mpg123'...
$ git fetch origin 6a9e6e360a7ab2be2e412cc9bc3a65fb68aacdbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpg123
 * [new ref]         6a9e6e360a7ab2be2e412cc9bc3a65fb68aacdbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a9e6e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild