$ git clone -n https://src.fedoraproject.org/rpms/libgphoto2.git /var/lib/mock/f31-build-99573-33178/root/chroot_tmpdir/scmroot/libgphoto2
Cloning into '/var/lib/mock/f31-build-99573-33178/root/chroot_tmpdir/scmroot/libgphoto2'...
$ git reset --hard c19b36e55f16bad4261eb9046f47e65c5ecf6881
HEAD is now at c19b36e Update to 2.5.23