[PATCH v3 0/7] Turn git add-i into built-in

This is the first version of a patch series to start porting git-add--interactive from Perl to C. Daniel Ferreira's patch series used as a head start: https://public-inbox.org/git/1494907234-28903-1-git-send-email-bnmvco@gmail.com/t/#u

Changes since v2:

 * fixed translation misuse and avoided command names translation in 
   add_i_show_help

Daniel Ferreira (4):
  diff: export diffstat interface
  add--helper: create builtin helper for interactive add
  add-interactive.c: implement status command
  add--interactive.perl: use add--helper --status for status_cmd

Slavica Djukic (3):
  add-interactive.c: implement show-help command
  t3701-add-interactive: test add_i_show_help()
  add--interactive.perl: use add--helper --show-help for help_cmd

 .gitignore                 |   1 +
 Makefile                   |   2 +
 add-interactive.c          | 263 +++++++++++++++++++++++++++++++++++++
 add-interactive.h          |  10 ++
 builtin.h                  |   1 +
 builtin/add--helper.c      |  43 ++++++
 diff.c                     |  36 ++---
 diff.h                     |  18 +++
 git-add--interactive.perl  |  15 +--
 git.c                      |   1 +
 t/t3701-add-interactive.sh |  24 ++++
 11 files changed, 379 insertions(+), 35 deletions(-)
 create mode 100644 add-interactive.c
 create mode 100644 add-interactive.h
 create mode 100644 builtin/add--helper.c

base-commit: b21ebb671bb7dea8d342225f0d66c41f4e54d5ca
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-103%2FslavicaDj%2Fadd-i-v3
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-103/slavicaDj/add-i-v3
Pull-Request: https://github.com/gitgitgadget/git/pull/103

Range-diff vs v2:

 1:  737767b6f4 = 1:  737767b6f4 diff: export diffstat interface
 2:  91b1963125 = 2:  91b1963125 add--helper: create builtin helper for interactive add
 3:  d247ef69fe = 3:  d247ef69fe add-interactive.c: implement status command
 4:  4950c889aa = 4:  4950c889aa add--interactive.perl: use add--helper --status for status_cmd
 5:  cf4e913a5a ! 5:  581b108c9c add-interactive.c: implement show-help command
     @@ -23,24 +23,18 @@
      +void add_i_show_help(void)
      +{
      +	const char *help_color = get_color(COLOR_HELP);
     -+	color_fprintf(stdout, help_color, "%s%s", _("status"), 
     -+		N_("        - show paths with changes"));
     -+	printf("\n");
     -+	color_fprintf(stdout, help_color, "%s%s", _("update"), 
     -+		N_("        - add working tree state to the staged set of changes"));
     -+	printf("\n");	
     -+	color_fprintf(stdout, help_color, "%s%s", _("revert"),
     -+		N_("        - revert staged set of changes back to the HEAD version"));
     -+	printf("\n");
     -+	color_fprintf(stdout, help_color, "%s%s", _("patch"),
     -+		N_("         - pick hunks and update selectively"));
     -+	printf("\n");
     -+	color_fprintf(stdout, help_color, "%s%s", _("diff"),
     -+		N_("          - view diff between HEAD and index"));
     -+	printf("\n");
     -+	color_fprintf(stdout, help_color, "%s%s", _("add untracked"),
     -+		N_(" - add contents of untracked files to the staged set of changes"));
     -+	printf("\n");
     ++	color_fprintf_ln(stdout, help_color, "status        - %s",
     ++			_("show paths with changes"));
     ++	color_fprintf_ln(stdout, help_color, "update        - %s",
     ++			_("add working tree state to the staged set of changes"));
     ++	color_fprintf_ln(stdout, help_color, "revert        - %s",
     ++			_("revert staged set of changes back to the HEAD version"));
     ++	color_fprintf_ln(stdout, help_color, "patch         - %s",
     ++			_("pick hunks and update selectively"));
     ++	color_fprintf_ln(stdout, help_color, "diff          - %s",
     ++			_("view diff between HEAD and index"));
     ++	color_fprintf_ln(stdout, help_color, "add untracked - %s",
     ++			_("add contents of untracked files to the staged set of changes"));
      +}
      
       diff --git a/add-interactive.h b/add-interactive.h
 6:  2b4714b8d0 = 6:  aede733318 t3701-add-interactive: test add_i_show_help()
 7:  6ede6d9251 = 7:  b9a1a7e37a add--interactive.perl: use add--helper --show-help for help_cmd