$ git clone -n https://src.fedoraproject.org/rpms/jaxb-fi.git /var/lib/mock/f40-build-2720975-73072/root/chroot_tmpdir/scmroot/jaxb-fi
Cloning into '/var/lib/mock/f40-build-2720975-73072/root/chroot_tmpdir/scmroot/jaxb-fi'...
$ git fetch origin 52c62f60b44056c6c2d085ac0657ba9eeb93e220:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jaxb-fi
 * [new ref]         52c62f60b44056c6c2d085ac0657ba9eeb93e220 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52c62f6 Rebuilt for java-21-openjdk as system jdk