$ git clone -n https://src.fedoraproject.org/rpms/pre-commit.git /var/lib/mock/f40-build-2418185-60573/root/chroot_tmpdir/scmroot/pre-commit
Cloning into '/var/lib/mock/f40-build-2418185-60573/root/chroot_tmpdir/scmroot/pre-commit'...
$ git fetch origin c412f6444836105bb0b6b32ac0b0c423b044122e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pre-commit
 * [new ref]         c412f6444836105bb0b6b32ac0b0c423b044122e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c412f64 Update to 3.6.2 (close RHBZ#2264761)