$ git clone -n https://src.fedoraproject.org/rpms/calamares.git /var/lib/mock/f40-build-780362-130935/root/chroot_tmpdir/scmroot/calamares
Cloning into '/var/lib/mock/f40-build-780362-130935/root/chroot_tmpdir/scmroot/calamares'...
$ git fetch origin 7b5cbccf7a93dc0b9ec19e93823f32179395fb99:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/calamares
 * [new ref]         7b5cbccf7a93dc0b9ec19e93823f32179395fb99 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b5cbcc Rebuild for ICU 74