$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gocolly-colly-2.git /var/lib/mock/f41-build-side-1-2639120-26493/root/chroot_tmpdir/scmroot/golang-github-gocolly-colly-2
Cloning into '/var/lib/mock/f41-build-side-1-2639120-26493/root/chroot_tmpdir/scmroot/golang-github-gocolly-colly-2'...
$ git fetch origin 25ef5723ba68124af12eeb642e1dae2650af4e8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gocolly-colly-2
 * [new ref]         25ef5723ba68124af12eeb642e1dae2650af4e8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25ef572 convert ASL 2.0 license to SPDX