$ git clone -n https://src.fedoraproject.org/rpms/ghc-half.git /var/lib/mock/f42-build-877949-180367/root/chroot_tmpdir/scmroot/ghc-half
Cloning into '/var/lib/mock/f42-build-877949-180367/root/chroot_tmpdir/scmroot/ghc-half'...
$ git fetch origin 43e6dd01d65362a209bea841322fe5c58c248591:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-half
 * [new ref]         43e6dd01d65362a209bea841322fe5c58c248591 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43e6dd0 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild