$ git clone -n https://src.fedoraproject.org/rpms/dump.git /var/lib/mock/f40-build-2209206-52150/root/chroot_tmpdir/scmroot/dump
Cloning into '/var/lib/mock/f40-build-2209206-52150/root/chroot_tmpdir/scmroot/dump'...
$ git fetch origin a5d02b84eb80b8d8f1a14f20e942af56e2755cee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dump
 * [new ref]         a5d02b84eb80b8d8f1a14f20e942af56e2755cee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5d02b8 Fixes for -WError=implicit-function-declaration on RHEL