$ git clone -n https://src.fedoraproject.org/rpms/maven-shade-plugin.git /var/lib/mock/f39-build-1835319-41919/root/chroot_tmpdir/scmroot/maven-shade-plugin
Cloning into '/var/lib/mock/f39-build-1835319-41919/root/chroot_tmpdir/scmroot/maven-shade-plugin'...
$ git fetch origin 139bbce8693d70109dc8b0bbbedd56014597990b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-shade-plugin
 * [new ref]         139bbce8693d70109dc8b0bbbedd56014597990b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 139bbce Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild