$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-codec.git /var/lib/mock/f41-build-710652-13019/root/chroot_tmpdir/scmroot/apache-commons-codec
Cloning into '/var/lib/mock/f41-build-710652-13019/root/chroot_tmpdir/scmroot/apache-commons-codec'...
$ git fetch origin 4fd47bcbee0039af5440c07b1a91212bcceb10d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-codec
 * [new ref]         4fd47bcbee0039af5440c07b1a91212bcceb10d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fd47bc Rebuilt for java-21-openjdk as system jdk