$ git clone -n https://src.fedoraproject.org/rpms/gjs.git /var/lib/mock/f33-build-337013-58401/root/chroot_tmpdir/scmroot/gjs
Cloning into '/var/lib/mock/f33-build-337013-58401/root/chroot_tmpdir/scmroot/gjs'...
$ git reset --hard 090ee213403926e708387033aaa382edf8ca4fab
HEAD is now at 090ee21 Rebuild against mozjs78-78.2.0-1