$ git clone -n https://src.fedoraproject.org/rpms/golang-github-codegangsta-inject.git /var/lib/mock/f45-build-11794-435/root/chroot_tmpdir/scmroot/golang-github-codegangsta-inject
Cloning into '/var/lib/mock/f45-build-11794-435/root/chroot_tmpdir/scmroot/golang-github-codegangsta-inject'...
$ git fetch origin 6d7eafaf3cc5cbc89f58822e054315feca89178b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-codegangsta-inject
 * [new ref]         6d7eafaf3cc5cbc89f58822e054315feca89178b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d7eafa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild