$ git clone -n https://src.fedoraproject.org/rpms/libmspub.git /var/lib/mock/f40-build-780074-130662/root/chroot_tmpdir/scmroot/libmspub
Cloning into '/var/lib/mock/f40-build-780074-130662/root/chroot_tmpdir/scmroot/libmspub'...
$ git fetch origin 44e7585a136d03c96d4ae18497349f231b6d9d31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmspub
 * [new ref]         44e7585a136d03c96d4ae18497349f231b6d9d31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44e7585 Rebuild for ICU 74