$ git clone -n https://src.fedoraproject.org/rpms/maven-assembly-plugin.git /var/lib/mock/f41-build-1030877-18484/root/chroot_tmpdir/scmroot/maven-assembly-plugin
Cloning into '/var/lib/mock/f41-build-1030877-18484/root/chroot_tmpdir/scmroot/maven-assembly-plugin'...
$ git fetch origin 6c9313741e1f4819fd543e035c60efb1a4ff9770:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-assembly-plugin
 * [new ref]         6c9313741e1f4819fd543e035c60efb1a4ff9770 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c93137 Rebuilt for java-21-openjdk as system jdk