$ git clone -n https://src.fedoraproject.org/rpms/imapsync.git /var/lib/mock/f45-build-14076-456/root/chroot_tmpdir/scmroot/imapsync
Cloning into '/var/lib/mock/f45-build-14076-456/root/chroot_tmpdir/scmroot/imapsync'...
$ git fetch origin 011f4c78b541f43c3eb1e4ec6d754804177644a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/imapsync
 * [new ref]         011f4c78b541f43c3eb1e4ec6d754804177644a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 011f4c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild