$ git clone -n https://src.fedoraproject.org/rpms/appstream.git /var/lib/mock/f37-build-675749-76028/root/chroot_tmpdir/scmroot/appstream
Cloning into '/var/lib/mock/f37-build-675749-76028/root/chroot_tmpdir/scmroot/appstream'...
$ git reset --hard 7234b6a9a76df8b0556bf892269f3715ed38bbb8
HEAD is now at 7234b6a 0.15.5