$ git clone -n https://src.fedoraproject.org/rpms/ghc-streaming-commons.git /var/lib/mock/f40-build-776938-129159/root/chroot_tmpdir/scmroot/ghc-streaming-commons
Cloning into '/var/lib/mock/f40-build-776938-129159/root/chroot_tmpdir/scmroot/ghc-streaming-commons'...
$ git fetch origin dc373c18ab2e8e7f57d1790345c2220879b4fedf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-streaming-commons
 * [new ref]         dc373c18ab2e8e7f57d1790345c2220879b4fedf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc373c1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild