$ git clone -n https://src.fedoraproject.org/rpms/kcachegrind.git /var/lib/mock/f37-build-677047-76219/root/chroot_tmpdir/scmroot/kcachegrind
Cloning into '/var/lib/mock/f37-build-677047-76219/root/chroot_tmpdir/scmroot/kcachegrind'...
$ git reset --hard 6b0aeab19e22cc39d441aa72b7c0cab529e9ecb9
HEAD is now at 6b0aeab fix: update spec file