$ git clone -n https://src.fedoraproject.org/rpms/ghc-cryptohash-md5.git /var/lib/mock/f42-build-877584-180235/root/chroot_tmpdir/scmroot/ghc-cryptohash-md5
Cloning into '/var/lib/mock/f42-build-877584-180235/root/chroot_tmpdir/scmroot/ghc-cryptohash-md5'...
$ git fetch origin 34c6ac99072abdcbe7b07a74f567048c4d70b0dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cryptohash-md5
 * [new ref]         34c6ac99072abdcbe7b07a74f567048c4d70b0dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34c6ac9 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild