$ git clone -n https://src.fedoraproject.org/rpms/golang-github-bmizerany-assert.git /var/lib/mock/f40-build-1999797-44390/root/chroot_tmpdir/scmroot/golang-github-bmizerany-assert
Cloning into '/var/lib/mock/f40-build-1999797-44390/root/chroot_tmpdir/scmroot/golang-github-bmizerany-assert'...
$ git fetch origin c8fcfd5852a150fff1a9859173d3586c23adcb28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-bmizerany-assert
 * [new ref]         c8fcfd5852a150fff1a9859173d3586c23adcb28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8fcfd5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild