$ git clone -n https://src.fedoraproject.org/rpms/c4fs.git /var/lib/mock/f38-build-side-42-init-devel-1156593-30535/root/chroot_tmpdir/scmroot/c4fs
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1156593-30535/root/chroot_tmpdir/scmroot/c4fs'...
$ git fetch origin 19acb7c88294f603271e0d2d458d94e61d04132d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/c4fs
 * [new ref]         19acb7c88294f603271e0d2d458d94e61d04132d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19acb7c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild