$ git clone -n https://src.fedoraproject.org/rpms/golang-github-alexflint-filemutex.git /var/lib/mock/f40-build-2666872-67131/root/chroot_tmpdir/scmroot/golang-github-alexflint-filemutex
Cloning into '/var/lib/mock/f40-build-2666872-67131/root/chroot_tmpdir/scmroot/golang-github-alexflint-filemutex'...
$ git fetch origin b3b8d35fc9d4de9ca89604c4581f86e68b82209a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-alexflint-filemutex
 * [new ref]         b3b8d35fc9d4de9ca89604c4581f86e68b82209a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3b8d35 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild