[GSoC][PATCH v3 0/1] rebase -i: add --ignore-whitespace flag

This revision removes --ignore-whitespace from rebase--interactive since its only caller preserve-merges is now deprecated. Also rename t3431 to t3433.

Rohit Ashiwal (1):
  rebase -i: add --ignore-whitespace flag

 Documentation/git-rebase.txt            | 10 +++-
 builtin/rebase.c                        | 26 ++++++++--
 t/t3422-rebase-incompatible-options.sh  |  1 -
 t/t3433-rebase-options-compatibility.sh | 66 +++++++++++++++++++++++++
 4 files changed, 96 insertions(+), 7 deletions(-)
 create mode 100755 t/t3433-rebase-options-compatibility.sh

Range-diff:
1:  a1bb91fe43 ! 1:  eef6f6fa25 rebase -i: add --ignore-whitespace flag
    @@ -42,6 +42,7 @@
       * --preserve-merges and --interactive
       * --preserve-merges and --signoff
       * --preserve-merges and --rebase-merges
    ++ * --preserve-merges and --ignore-whitespace
     + * --rebase-merges and --ignore-whitespace
       * --rebase-merges and --strategy
       * --rebase-merges and --strategy-option
    @@ -59,9 +60,19 @@
      	int autostash;
      	char *cmd;
     @@
    - 	flags |= opts->rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0;
    - 	flags |= command == ACTION_SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;
    + 		.git_format_patch_opt = STRBUF_INIT	\
    + 	}
    + 
    +-static struct replay_opts get_replay_opts(const struct rebase_options *opts)
    ++static struct replay_opts get_replay_opts(struct rebase_options *opts)
    + {
    + 	struct replay_opts replay = REPLAY_OPTS_INIT;
      
    +@@
    + 	replay.reschedule_failed_exec = opts->reschedule_failed_exec;
    + 	replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt);
    + 	replay.strategy = opts->strategy;
    ++
     +	if (opts->ignore_whitespace) {
     +		struct strbuf buf = STRBUF_INIT;
     +
    @@ -72,19 +83,9 @@
     +		free(opts->strategy_opts);
     +		opts->strategy_opts = strbuf_detach(&buf, NULL);
     +	}
    -+
    - 	switch (command) {
    - 	case ACTION_NONE: {
    - 		if (!opts->onto && !opts->upstream)
    -@@
    - 		{ OPTION_STRING, 'S', "gpg-sign", &opts.gpg_sign_opt, N_("key-id"),
    - 			N_("GPG-sign commits"),
    - 			PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
    -+		OPT_BOOL(0, "ignore-whitespace", &opts.ignore_whitespace,
    -+			 N_("ignore changes in whitespace")),
    - 		OPT_STRING(0, "strategy", &opts.strategy, N_("strategy"),
    - 			   N_("rebase strategy")),
    - 		OPT_STRING(0, "strategy-opts", &opts.strategy_opts, N_("strategy-opts"),
    + 	if (opts->strategy_opts)
    + 		parse_strategy_opts(&replay, opts->strategy_opts);
    + 
     @@
      	argc = parse_options(argc, argv, NULL, options,
      			builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0);
    @@ -133,18 +134,6 @@
      			die(_("cannot combine '--rebase-merges' with "
      			      "'--strategy-option'"));
     
    - diff --git a/sequencer.h b/sequencer.h
    - --- a/sequencer.h
    - +++ b/sequencer.h
    -@@
    - 	int verbose;
    - 	int quiet;
    - 	int reschedule_failed_exec;
    -+	int ignore_whitespace;
    - 
    - 	int mainline;
    - 
    -
      diff --git a/t/t3422-rebase-incompatible-options.sh b/t/t3422-rebase-incompatible-options.sh
      --- a/t/t3422-rebase-incompatible-options.sh
      +++ b/t/t3422-rebase-incompatible-options.sh
    @@ -157,10 +146,10 @@
      test_rebase_am_only -C4
      
     
    - diff --git a/t/t3431-rebase-options-compatibility.sh b/t/t3431-rebase-options-compatibility.sh
    + diff --git a/t/t3433-rebase-options-compatibility.sh b/t/t3433-rebase-options-compatibility.sh
      new file mode 100755
      --- /dev/null
    - +++ b/t/t3431-rebase-options-compatibility.sh
    + +++ b/t/t3433-rebase-options-compatibility.sh
     @@
     +#!/bin/sh
     +#
    @@ -184,7 +173,7 @@
     +	EOF
     +	git add file &&
     +	git commit -m "add file" &&
    -+	q_to_tab >file <<-EOF &&
    ++	cat >file <<-EOF &&
     +	line 1
     +	new line 2
     +	line 3
    @@ -193,7 +182,7 @@
     +	git tag side &&
     +
     +	git checkout --orphan master &&
    -+	q_to_tab >file <<-EOF &&
    ++	cat >file <<-EOF &&
     +	line 1
     +	        line 2
     +	line 3