$ git clone -n https://src.fedoraproject.org/rpms/chayang.git /var/lib/mock/f40-build-2283547-55594/root/chroot_tmpdir/scmroot/chayang
Cloning into '/var/lib/mock/f40-build-2283547-55594/root/chroot_tmpdir/scmroot/chayang'...
$ git fetch origin 26fca71a606574e47cd728c6bbb7c0f86c1e4957:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chayang
 * [new ref]         26fca71a606574e47cd728c6bbb7c0f86c1e4957 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26fca71 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild