$ git clone -n https://src.fedoraproject.org/rpms/kanagram.git /var/lib/mock/f42-build-863938-172034/root/chroot_tmpdir/scmroot/kanagram
Cloning into '/var/lib/mock/f42-build-863938-172034/root/chroot_tmpdir/scmroot/kanagram'...
$ git fetch origin c87c1486b4813fc5ffbd95de0972d8368380c698:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kanagram
 * [new ref]         c87c1486b4813fc5ffbd95de0972d8368380c698 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c87c148 24.12.0