$ git clone -n http://fedora.riscv.rocks:3000/rpms/mozjs102.git /var/lib/mock/f41-build-825294-154378/root/chroot_tmpdir/scmroot/mozjs102
Cloning into '/var/lib/mock/f41-build-825294-154378/root/chroot_tmpdir/scmroot/mozjs102'...
$ git fetch origin 28f06f3d552ec5d791e8523c4a45096897796990:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/mozjs102
 * [new ref]         28f06f3d552ec5d791e8523c4a45096897796990 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28f06f3 Merge remote-tracking branch 'up/main' into main-riscv64