$ git clone -n https://src.fedoraproject.org/rpms/golang-github-googleapis-gax.git /var/lib/mock/f42-build-3355552-45025/root/chroot_tmpdir/scmroot/golang-github-googleapis-gax
Cloning into '/var/lib/mock/f42-build-3355552-45025/root/chroot_tmpdir/scmroot/golang-github-googleapis-gax'...
$ git fetch origin dfd8b57c414f91d8fa6c960440982af5862926a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-googleapis-gax
 * [new ref]         dfd8b57c414f91d8fa6c960440982af5862926a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfd8b57 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild