$ git clone -n https://src.fedoraproject.org/rpms/libheif.git /var/lib/mock/f38-build-side-42-init-devel-490501-24884/root/chroot_tmpdir/scmroot/libheif
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-490501-24884/root/chroot_tmpdir/scmroot/libheif'...
$ git reset --hard ebbbb8cd0971cc2a854feb99a60547f48505eac0
HEAD is now at ebbbb8c Fix conditional for RHEL again