$ git clone -n https://src.fedoraproject.org/rpms/ghc-regexpr.git /var/lib/mock/f41-build-842709-161699/root/chroot_tmpdir/scmroot/ghc-regexpr
Cloning into '/var/lib/mock/f41-build-842709-161699/root/chroot_tmpdir/scmroot/ghc-regexpr'...
$ git fetch origin b4e2b59b9fa3c14b0d38c5ce04931d5beeae497b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-regexpr
 * [new ref]         b4e2b59b9fa3c14b0d38c5ce04931d5beeae497b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4e2b59 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild