$ git clone -n https://src.fedoraproject.org/rpms/calibre.git /var/lib/mock/f37-build-656434-73026/root/chroot_tmpdir/scmroot/calibre
Cloning into '/var/lib/mock/f37-build-656434-73026/root/chroot_tmpdir/scmroot/calibre'...
$ git reset --hard c469e0e158cb32a0bd4326b6555f5aab40d016ca
HEAD is now at c469e0e Rebuilt for ICU 71.1