$ git clone -n https://src.fedoraproject.org/rpms/libgit2_1.6.git /var/lib/mock/f40-build-738393-107902/root/chroot_tmpdir/scmroot/libgit2_1.6
Cloning into '/var/lib/mock/f40-build-738393-107902/root/chroot_tmpdir/scmroot/libgit2_1.6'...
$ git reset --hard 25d17a39c31cec8df34432f7f4228d99f96e0c62
HEAD is now at 25d17a3 Initial import