$ git clone -n https://src.fedoraproject.org/rpms/libarcus.git /var/lib/mock/f45-build-15847-480/root/chroot_tmpdir/scmroot/libarcus
Cloning into '/var/lib/mock/f45-build-15847-480/root/chroot_tmpdir/scmroot/libarcus'...
$ git fetch origin c026fb8e9073e937c41191e8701451d744f3c3f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libarcus
 * [new ref]         c026fb8e9073e937c41191e8701451d744f3c3f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c026fb8 Rebuilt for Python 3.15.0b4 ABI change