$ git clone -n https://src.fedoraproject.org/rpms/maven-verifier.git /var/lib/mock/f40-build-2490588-61656/root/chroot_tmpdir/scmroot/maven-verifier
Cloning into '/var/lib/mock/f40-build-2490588-61656/root/chroot_tmpdir/scmroot/maven-verifier'...
$ git fetch origin cb8db7602cbf46ebb9af3078abdf461bc1e1149e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-verifier
 * [new ref]         cb8db7602cbf46ebb9af3078abdf461bc1e1149e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb8db76 Rebuilt for java-21-openjdk as system jdk