Re: [PATCH v4 5/8] git-rebase, sequencer: extend --quiet option for the interactive machinery

[Johannes Schindelin <Johannes.Schindelin@gmx.de>]

Hi Elijah,

On Tue, 11 Dec 2018, Elijah Newren wrote:

> 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.  The rewrite of interactive rebase in C
> added a quiet option, though it only turns stats off.  Since we want to
> make the interactive machinery also take over for git-rebase--merge, it
> should fully implement the --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 "Successfully rebased..."
> 
> Also, for simplicity, remove the differences in how quiet and verbose
> options were recorded.  Having one be signalled by the presence of a
> "verbose" file in the state_dir, while the other was signalled by the
> contents of a "quiet" file was just weirdly inconsistent.  (This
> inconsistency pre-dated the rewrite into C.)  Make them consistent by
> having them both key off the presence of the file.
> 
> Signed-off-by: Elijah Newren <newren@gmail.com>

This is convincing. I would like to point out, though...

> ---
>  builtin/rebase.c      |  5 +----
>  git-legacy-rebase.sh  |  2 +-
>  git-rebase--common.sh |  2 +-
>  sequencer.c           | 23 +++++++++++++----------
>  sequencer.h           |  1 +
>  5 files changed, 17 insertions(+), 16 deletions(-)
> 
> diff --git a/builtin/rebase.c b/builtin/rebase.c
> index 78e982298f..ec2e5fbf23 100644
> --- a/builtin/rebase.c
> +++ b/builtin/rebase.c
> @@ -185,10 +185,7 @@ static int read_basic_state(struct rebase_options *opts)
>  	if (get_oid(buf.buf, &opts->orig_head))
>  		return error(_("invalid orig-head: '%s'"), buf.buf);
>  
> -	strbuf_reset(&buf);
> -	if (read_one(state_dir_path("quiet", opts), &buf))
> -		return -1;
> -	if (buf.len)
> +	if (file_exists(state_dir_path("quiet", opts)))

This changes the behavior. AFAIR the `quiet` file was always written, but
contained `t` in quiet mode. I have to interrupt my review here, and will
continue later, but maybe you will beat me to looking into that.

Ciao,
Dscho

>  		opts->flags &= ~REBASE_NO_QUIET;
>  	else
>  		opts->flags |= REBASE_NO_QUIET;
> diff --git a/git-legacy-rebase.sh b/git-legacy-rebase.sh
> index fccb33b959..f4088b7bda 100755
> --- a/git-legacy-rebase.sh
> +++ b/git-legacy-rebase.sh
> @@ -113,7 +113,7 @@ read_basic_state () {
>  	else
>  		orig_head=$(cat "$state_dir"/head)
>  	fi &&
> -	GIT_QUIET=$(cat "$state_dir"/quiet) &&
> +	test -f "$state_dir"/quiet && GIT_QUIET=t
>  	test -f "$state_dir"/verbose && verbose=t
>  	test -f "$state_dir"/strategy && strategy="$(cat "$state_dir"/strategy)"
>  	test -f "$state_dir"/strategy_opts &&
> diff --git a/git-rebase--common.sh b/git-rebase--common.sh
> index 7e39d22871..dc18c682fa 100644
> --- a/git-rebase--common.sh
> +++ b/git-rebase--common.sh
> @@ -10,7 +10,7 @@ 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 e1a4dd15f1..bc25615050 100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -150,6 +150,7 @@ 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")
> @@ -157,7 +158,6 @@ static GIT_PATH_FUNC(rebase_path_autostash, "rebase-merge/autostash")
>  static GIT_PATH_FUNC(rebase_path_strategy, "rebase-merge/strategy")
>  static GIT_PATH_FUNC(rebase_path_strategy_opts, "rebase-merge/strategy_opts")
>  static GIT_PATH_FUNC(rebase_path_allow_rerere_autoupdate, "rebase-merge/allow_rerere_autoupdate")
> -static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
>  
>  static int git_sequencer_config(const char *k, const char *v, void *cb)
>  {
> @@ -2357,6 +2357,9 @@ 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;
> @@ -2424,9 +2427,6 @@ int write_basic_state(struct replay_opts *opts, const char *head_name,
>  
>  	if (quiet)
>  		write_file(rebase_path_quiet(), "%s\n", quiet);
> -	else
> -		write_file(rebase_path_quiet(), "\n");
> -
>  	if (opts->verbose)
>  		write_file(rebase_path_verbose(), "%s", "");
>  	if (opts->strategy)
> @@ -3503,10 +3503,11 @@ 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());
> @@ -3738,8 +3739,10 @@ 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 5071a73563..729222b583 100644
> --- a/sequencer.h
> +++ b/sequencer.h
> @@ -39,6 +39,7 @@ struct replay_opts {
>  	int allow_empty_message;
>  	int keep_redundant_commits;
>  	int verbose;
> +	int quiet;
>  
>  	int mainline;
>  
> -- 
> 2.20.0.8.g5de428d695
> 
>