$ git clone -n https://src.fedoraproject.org/rpms/web-assets.git /var/lib/mock/f40-build-2045079-48770/root/chroot_tmpdir/scmroot/web-assets
Cloning into '/var/lib/mock/f40-build-2045079-48770/root/chroot_tmpdir/scmroot/web-assets'...
$ git fetch origin 546069c52fae4f5b4cf2ef633b0d8dffa857886d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/web-assets
 * [new ref]         546069c52fae4f5b4cf2ef633b0d8dffa857886d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 546069c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild