$ git clone -n https://src.fedoraproject.org/rpms/libpeas.git /var/lib/mock/f39-build-1745563-41403/root/chroot_tmpdir/scmroot/libpeas
Cloning into '/var/lib/mock/f39-build-1745563-41403/root/chroot_tmpdir/scmroot/libpeas'...
$ git fetch origin be1b1dfc2b81719db70851bce93f662e34684795:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpeas
 * [new ref]         be1b1dfc2b81719db70851bce93f662e34684795 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be1b1df Don't require gjs explicitly