$ git clone -n https://src.fedoraproject.org/rpms/maven-doxia-sitetools.git /var/lib/mock/f40-build-2517530-61731/root/chroot_tmpdir/scmroot/maven-doxia-sitetools
Cloning into '/var/lib/mock/f40-build-2517530-61731/root/chroot_tmpdir/scmroot/maven-doxia-sitetools'...
$ git fetch origin 70d5a7637990e3f54df763c22f2cb62e43f5314b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-doxia-sitetools
 * [new ref]         70d5a7637990e3f54df763c22f2cb62e43f5314b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70d5a76 Rebuilt for java-21-openjdk as system jdk