$ git clone -n https://github.com/fedora-riscv/obs-studio.git /var/lib/mock/f42-build-3427557-45332/root/chroot_tmpdir/scmroot/obs-studio
Cloning into '/var/lib/mock/f42-build-3427557-45332/root/chroot_tmpdir/scmroot/obs-studio'...
$ git fetch origin 4f2c50c8c64857d0401dfba814c80f71c983a295:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/obs-studio
 * [new ref]         4f2c50c8c64857d0401dfba814c80f71c983a295 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f2c50c Add RISC-V support