$ git clone -n https://src.fedoraproject.org/rpms/maven-jar-plugin.git /var/lib/mock/f40-build-2480941-61629/root/chroot_tmpdir/scmroot/maven-jar-plugin
Cloning into '/var/lib/mock/f40-build-2480941-61629/root/chroot_tmpdir/scmroot/maven-jar-plugin'...
$ git fetch origin 8250a6b86168dc3ced8630a3385683829f0fc36f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-jar-plugin
 * [new ref]         8250a6b86168dc3ced8630a3385683829f0fc36f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8250a6b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild