$ git clone -n https://src.fedoraproject.org/rpms/golang-cloud-google-iam.git /var/lib/mock/f40-build-2344815-59936/root/chroot_tmpdir/scmroot/golang-cloud-google-iam
Cloning into '/var/lib/mock/f40-build-2344815-59936/root/chroot_tmpdir/scmroot/golang-cloud-google-iam'...
$ git fetch origin 64cae23cd31402d8e429afab285eec629088523f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-cloud-google-iam
 * [new ref]         64cae23cd31402d8e429afab285eec629088523f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64cae23 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild