$ git clone -n https://src.fedoraproject.org/rpms/stk.git /var/lib/mock/f45-build-36524-706/root/chroot_tmpdir/scmroot/stk
Cloning into '/var/lib/mock/f45-build-36524-706/root/chroot_tmpdir/scmroot/stk'...
$ git fetch origin 572cd121c6f9f564771bb7042c63a30477f85361:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stk
 * [new ref]         572cd121c6f9f564771bb7042c63a30477f85361 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 572cd12 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild