$ git clone -n https://src.fedoraproject.org/rpms/ghc-lrucache.git /var/lib/mock/f45-build-10499-418/root/chroot_tmpdir/scmroot/ghc-lrucache
Cloning into '/var/lib/mock/f45-build-10499-418/root/chroot_tmpdir/scmroot/ghc-lrucache'...
$ git fetch origin 15acf6ac27ee815563d9349b081531c6bd2ef5dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-lrucache
 * [new ref]         15acf6ac27ee815563d9349b081531c6bd2ef5dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15acf6a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild