$ git clone -n https://src.fedoraproject.org/rpms/shadow-utils.git /var/lib/mock/f42-build-876202-179677/root/chroot_tmpdir/scmroot/shadow-utils
Cloning into '/var/lib/mock/f42-build-876202-179677/root/chroot_tmpdir/scmroot/shadow-utils'...
$ git fetch origin 7b5d11c4b7d0d91c4d879b18facaefd7975544a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shadow-utils
 * [new ref]         7b5d11c4b7d0d91c4d879b18facaefd7975544a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b5d11c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild