$ git clone -n https://src.fedoraproject.org/rpms/golang-github-andreyvit-diff.git /var/lib/mock/f45-build-47594-868/root/chroot_tmpdir/scmroot/golang-github-andreyvit-diff
Cloning into '/var/lib/mock/f45-build-47594-868/root/chroot_tmpdir/scmroot/golang-github-andreyvit-diff'...
$ git fetch origin 0dd65658ad7299439ef68bf1eff0334c46cb08d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-andreyvit-diff
 * [new ref]         0dd65658ad7299439ef68bf1eff0334c46cb08d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0dd6565 Rebuild for https://fedoraproject.org/wiki/Changes/golang1.26