$ git clone -n https://src.fedoraproject.org/rpms/chocolate-doom.git /var/lib/mock/f39-build-1489851-34502/root/chroot_tmpdir/scmroot/chocolate-doom
Cloning into '/var/lib/mock/f39-build-1489851-34502/root/chroot_tmpdir/scmroot/chocolate-doom'...
$ git fetch origin 01e5daeb51373fdbfc9fd73d52350cd0498702a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chocolate-doom
 * [new ref]         01e5daeb51373fdbfc9fd73d52350cd0498702a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01e5dae Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild