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[RFC PATCH 1/3] git-rebase, sequencer: add a --quiet option for the interactive machinery




While 'quiet' and 'interactive' may sound like antonyms, the interactive
machinery actually has logic that implements several
interactive_rebase=implied cases (--exec, --keep-empty, --rebase-merges)
which won't pop up an editor.  Further, we want to make the interactive
machinery also take over for git-rebase--merge and become the default
merge strategy, so it makes sense for these other cases to have a quiet
option.

git-rebase--interactive was already somewhat quieter than
git-rebase--merge and git-rebase--am, possibly because cherry-pick has
just traditionally been quieter.  As such, we only drop a few
informational messages -- "Rebasing (n/m)" and "Succesfully rebased..."

Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
---
 git-rebase--interactive.sh |  9 +++++++--
 git-rebase.sh              |  2 +-
 sequencer.c                | 19 +++++++++++++------
 sequencer.h                |  1 +
 4 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 06a7b79307..1f2401f702 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -139,8 +139,12 @@ mark_action_done () {
 	if test "$last_count" != "$new_count"
 	then
 		last_count=$new_count
-		eval_gettext "Rebasing (\$new_count/\$total)"; printf "\r"
-		test -z "$verbose" || echo
+		if test -z "$GIT_QUIET"
+		then
+			eval_gettext "Rebasing (\$new_count/\$total)";
+			printf "\r"
+			test -z "$verbose" || echo
+		fi
 	fi
 }
 
@@ -713,6 +717,7 @@ Commit or stash your changes, and then run
 		"$hook" rebase < "$rewritten_list"
 		true # we don't care if this hook failed
 	fi &&
+		test -z "$GIT_QUIET" &&
 		warn "$(eval_gettext "Successfully rebased and updated \$head_name.")"
 
 	return 1 # not failure; just to break the do_rest loop
diff --git a/git-rebase.sh b/git-rebase.sh
index 7d1612b31b..b639c0d4fe 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -136,7 +136,7 @@ write_basic_state () {
 	echo "$head_name" > "$state_dir"/head-name &&
 	echo "$onto" > "$state_dir"/onto &&
 	echo "$orig_head" > "$state_dir"/orig-head &&
-	echo "$GIT_QUIET" > "$state_dir"/quiet &&
+	test t = "$GIT_QUIET" && : > "$state_dir"/quiet
 	test t = "$verbose" && : > "$state_dir"/verbose
 	test -n "$strategy" && echo "$strategy" > "$state_dir"/strategy
 	test -n "$strategy_opts" && echo "$strategy_opts" > \
diff --git a/sequencer.c b/sequencer.c
index a2843e3906..d418d40bee 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -143,6 +143,7 @@ static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete")
 static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
 static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
 static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose")
+static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
 static GIT_PATH_FUNC(rebase_path_signoff, "rebase-merge/signoff")
 static GIT_PATH_FUNC(rebase_path_head_name, "rebase-merge/head-name")
 static GIT_PATH_FUNC(rebase_path_onto, "rebase-merge/onto")
@@ -2251,6 +2252,9 @@ static int read_populate_opts(struct replay_opts *opts)
 		if (file_exists(rebase_path_verbose()))
 			opts->verbose = 1;
 
+		if (file_exists(rebase_path_quiet()))
+			opts->quiet = 1;
+
 		if (file_exists(rebase_path_signoff())) {
 			opts->allow_ff = 0;
 			opts->signoff = 1;
@@ -3171,10 +3175,11 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts)
 					fprintf(f, "%d\n", todo_list->done_nr);
 					fclose(f);
 				}
-				fprintf(stderr, "Rebasing (%d/%d)%s",
-					todo_list->done_nr,
-					todo_list->total_nr,
-					opts->verbose ? "\n" : "\r");
+				if (!opts->quiet)
+					fprintf(stderr, "Rebasing (%d/%d)%s",
+						todo_list->done_nr,
+						todo_list->total_nr,
+						opts->verbose ? "\n" : "\r");
 			}
 			unlink(rebase_path_message());
 			unlink(rebase_path_author_script());
@@ -3385,8 +3390,10 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts)
 		}
 		apply_autostash(opts);
 
-		fprintf(stderr, "Successfully rebased and updated %s.\n",
-			head_ref.buf);
+		if (!opts->quiet)
+			fprintf(stderr,
+				"Successfully rebased and updated %s.\n",
+				head_ref.buf);
 
 		strbuf_release(&buf);
 		strbuf_release(&head_ref);
diff --git a/sequencer.h b/sequencer.h
index c5787c6b56..da652a421f 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -33,6 +33,7 @@ struct replay_opts {
 	int allow_empty_message;
 	int keep_redundant_commits;
 	int verbose;
+	int quiet;
 
 	int mainline;
 
-- 
2.18.0.rc1.12.g2996b9442d