$ git clone -n https://src.fedoraproject.org/rpms/maven-enforcer.git /var/lib/mock/f40-build-2695206-69270/root/chroot_tmpdir/scmroot/maven-enforcer
Cloning into '/var/lib/mock/f40-build-2695206-69270/root/chroot_tmpdir/scmroot/maven-enforcer'...
$ git fetch origin ca977290b5d943d63e11c17a0ecdaaebb78126d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-enforcer
 * [new ref]         ca977290b5d943d63e11c17a0ecdaaebb78126d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca97729 Rebuilt for java-21-openjdk as system jdk