$ git clone -n https://src.fedoraproject.org/rpms/golang-github-kurin-blazer.git /var/lib/mock/f40-build-2585628-62417/root/chroot_tmpdir/scmroot/golang-github-kurin-blazer
Cloning into '/var/lib/mock/f40-build-2585628-62417/root/chroot_tmpdir/scmroot/golang-github-kurin-blazer'...
$ git fetch origin 90e0139d891fb66a012543a2caf350b14de00d5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-kurin-blazer
 * [new ref]         90e0139d891fb66a012543a2caf350b14de00d5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90e0139 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild