$ git clone -n https://src.fedoraproject.org/rpms/duf.git /var/lib/mock/f39-build-1505721-35160/root/chroot_tmpdir/scmroot/duf
Cloning into '/var/lib/mock/f39-build-1505721-35160/root/chroot_tmpdir/scmroot/duf'...
$ git fetch origin 1dcf00f517cd91936656a72bae75d7f08167de7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/duf
 * [new ref]         1dcf00f517cd91936656a72bae75d7f08167de7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1dcf00f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild