$ git clone -n https://src.fedoraproject.org/rpms/ghc-dec.git /var/lib/mock/f42-build-877361-180226/root/chroot_tmpdir/scmroot/ghc-dec
Cloning into '/var/lib/mock/f42-build-877361-180226/root/chroot_tmpdir/scmroot/ghc-dec'...
$ git fetch origin 1d944e11630f3483c16027c44c3f5cae1961f97b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-dec
 * [new ref]         1d944e11630f3483c16027c44c3f5cae1961f97b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d944e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild