$ git clone -n https://src.fedoraproject.org/rpms/golang-github-r3labs-diff-3.git /var/lib/mock/f40-build-2700003-70194/root/chroot_tmpdir/scmroot/golang-github-r3labs-diff-3
Cloning into '/var/lib/mock/f40-build-2700003-70194/root/chroot_tmpdir/scmroot/golang-github-r3labs-diff-3'...
$ git fetch origin e5f1d58f3fd4d103156bf3485cd43219842adc7c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-r3labs-diff-3
 * [new ref]         e5f1d58f3fd4d103156bf3485cd43219842adc7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5f1d58 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild