$ git clone -n https://src.fedoraproject.org/rpms/maven-archiver.git /var/lib/mock/f41-build-1189039-22177/root/chroot_tmpdir/scmroot/maven-archiver
Cloning into '/var/lib/mock/f41-build-1189039-22177/root/chroot_tmpdir/scmroot/maven-archiver'...
$ git fetch origin b6477c0e510e1a910029f3950e380c2aeeef73a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-archiver
 * [new ref]         b6477c0e510e1a910029f3950e380c2aeeef73a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6477c0 Rebuilt for java-21-openjdk as system jdk