$ git clone -n https://src.fedoraproject.org/rpms/calibre.git /var/lib/mock/f31-build-107592-33714/root/chroot_tmpdir/scmroot/calibre
Cloning into '/var/lib/mock/f31-build-107592-33714/root/chroot_tmpdir/scmroot/calibre'...
$ git reset --hard 4dc68387c34ce55069b92f2495af8b5faf42d16b
HEAD is now at 4dc6838 Update to 3.48.0