Merge branch 'js/fetch-progress' (early part)

* 'js/fetch-progress' (early part):
  Fixup no-progress for fetch & clone
  fetch & clone: do not output progress when not on a tty

Conflicts:

	git-fetch.sh

git-fetch.sh

@@ -24,6 +24,8 @@ update_head_ok=
 exec=
 keep=
 shallow_depth=
+no_progress=
+test -t 1 || no_progress=--no-progress
 while case "$#" in 0) break ;; esac
 do
 	case "$1" in
@@ -392,7 +394,8 @@ fetch_main () {
 	    git-bundle unbundle "$remote" $rref ||
 	    echo failed "$remote"
 	else
-	  git-fetch-pack --thin $exec $keep $shallow_depth "$remote" $rref ||
+	  git-fetch-pack --thin $exec $keep $shallow_depth $no_progress \
+		"$remote" $rref ||
 	  echo failed "$remote"
 	fi
       ) |