$ git clone -n https://src.fedoraproject.org/rpms/cinch.git /var/lib/mock/f39-build-1798897-41769/root/chroot_tmpdir/scmroot/cinch
Cloning into '/var/lib/mock/f39-build-1798897-41769/root/chroot_tmpdir/scmroot/cinch'...
$ git fetch origin 8ef3f2f85f47e7c55355bc163452be8655957374:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cinch
 * [new ref]         8ef3f2f85f47e7c55355bc163452be8655957374 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ef3f2f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild