$ git clone -n https://src.fedoraproject.org/rpms/maven-wagon.git /var/lib/mock/f40-build-1585082-24033/root/chroot_tmpdir/scmroot/maven-wagon
Cloning into '/var/lib/mock/f40-build-1585082-24033/root/chroot_tmpdir/scmroot/maven-wagon'...
$ git fetch origin 19b6280fc3a93e3dc72892cecb8563c04e9b10d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-wagon
 * [new ref]         19b6280fc3a93e3dc72892cecb8563c04e9b10d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19b6280 Rebuilt for java-21-openjdk as system jdk