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Re: [PATCH/RFC 2/2] Provide a build time default-editor setting

From
Johannes Sixt <j.sixt@viscovery.net>
Date
Oct 29, 2009, 11:50 UTC
Message-ID
<4AE98175.504@viscovery.net>
In-Reply-To
<117f2cc80910290336k1e7b5877uc472ad511bb6f5ae@mail.gmail.com>
David Roundy schrieb:
> Any chance this will be exported as plumbing? I know it's pretty
> high-level, but it'd be handy to have be able to write `git editor
> $FILENAME` and just have it do the right thing.  This would also mean
> that the perl scripts below could be simplified.
Something like below? Possible usage in shell scripts:
	editor=$(git var GIT_EDITOR)
	"$editor" "$filename"
-- Hannes
PS: warning: linewrapped.
Subject: [PATCH] Teach git var about GIT_EDITOR
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
 cache.h  |    1 +
 editor.c |   13 +++++++++++--
 var.c    |    6 ++++++
 3 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/cache.h b/cache.h
index a5eeead..3103dda 100644
--- a/cache.h
+++ b/cache.h
@@ -750,6 +750,7 @@ extern const char *git_author_info(int);
 extern const char *git_committer_info(int);
 extern const char *fmt_ident(const char *name, const char *email, const
char *date_str, int);
 extern const char *fmt_name(const char *name, const char *email);
+extern const char *git_editor();

 struct checkout {
 	const char *base_dir;
diff --git a/editor.c b/editor.c
index 4d469d0..bd8c828 100644
--- a/editor.c
+++ b/editor.c
@@ -2,7 +2,7 @@
 #include "strbuf.h"
 #include "run-command.h"

-int launch_editor(const char *path, struct strbuf *buffer, const char
*const *env)
+const char *git_editor()
 {
 	const char *editor, *terminal;

@@ -16,11 +16,20 @@ int launch_editor(const char *path, struct strbuf
 	terminal = getenv("TERM");
 	if (!editor && (!terminal || !strcmp(terminal, "dumb")))
-		return error("Terminal is dumb but no VISUAL nor EDITOR defined.");
+		return "/dev/null";

 	if (!editor)
 		editor = "vi";

+	return editor;
+}
+
+int launch_editor(const char *path, struct strbuf *buffer, const char
*const *env)
+{
+	const char *editor = git_editor();
+
+	if (!strcmp(editor, "/dev/null"))
+		return error("Terminal is dumb but no VISUAL nor EDITOR defined.");
 	if (strcmp(editor, ":")) {
 		size_t len = strlen(editor);
 		int i = 0;
diff --git a/var.c b/var.c
index 125c0d1..48d8b9a 100644
--- a/var.c
+++ b/var.c
@@ -8,6 +8,11 @@

 static const char var_usage[] = "git var [-l | <variable>]";

+static const char *editor(int unused)
+{
+	return git_editor();
+}
+
 struct git_var {
 	const char *name;
 	const char *(*read)(int);
@@ -15,6 +20,7 @@ struct git_var {
 static struct git_var git_vars[] = {
 	{ "GIT_COMMITTER_IDENT", git_committer_info },
 	{ "GIT_AUTHOR_IDENT",   git_author_info },
+	{ "GIT_EDITOR", editor },
 	{ "", NULL },
 };
-- 
1.6.5.rc2.47.g49402
Previous: David RoundyNext: Junio C Hamano
Message 7 of 65 in “packaging vs default pager”
  1. Ben WaltonOct 28, 2009
  2. Junio C HamanoOct 28, 2009
  3. 0/2 Re: packaging vs default pagerJonathan Nieder, Oct 29, 2009
  4. 1/2 Provide a build time default-pager settingJonathan Nieder, Oct 29, 2009
  5. 2/2 Provide a build time default-editor settingJonathan Nieder, Oct 29, 2009
  6. David RoundyOct 29, 2009
  7. Johannes SixtOct 29, 2009
  8. Junio C HamanoOct 29, 2009
  9. Johannes SixtOct 29, 2009
  10. Junio C HamanoOct 29, 2009
  11. David RoundyOct 30, 2009
  12. Junio C HamanoOct 29, 2009
  13. 0/8 Default pager and editorJonathan Nieder, Oct 30, 2009
  14. 1/8 launch_editor: Longer error message when TERM=dumbJonathan Nieder, Oct 30, 2009
  15. 2/8 Handle more shell metacharacters in editor namesJonathan Nieder, Oct 30, 2009
  16. 3/8 Teach git var about GIT_EDITORJonathan Nieder, Oct 30, 2009
  17. Johannes SixtOct 30, 2009
  18. Jonathan NiederOct 30, 2009
  19. Junio C HamanoOct 30, 2009
  20. Jonathan NiederOct 31, 2009
  21. 4/8 Teach git var about GIT_PAGERJonathan Nieder, Oct 30, 2009
  22. 5/8 add -i, send-email, svn, p4, etc: use "git var GIT_EDITOR"Jonathan Nieder, Oct 30, 2009
  23. 6/8 am -i, git-svn: use "git var GIT_PAGER"Jonathan Nieder, Oct 30, 2009
  24. 7/8 Provide a build time default-editor settingJonathan Nieder, Oct 30, 2009
  25. Jonathan NiederOct 30, 2009
  26. 8/8 Provide a build time default-pager settingJonathan Nieder, Oct 30, 2009
  27. Junio C HamanoOct 30, 2009
  28. 9/8 Teach git var to run the editorJonathan Nieder, Oct 30, 2009
  29. 0/8 Default pager and editorJonathan Nieder, Oct 31, 2009
  30. 1/8 Handle more shell metacharacters in editor namesJonathan Nieder, Oct 31, 2009
  31. 2/8 Do not use VISUAL editor on dumb terminalsJonathan Nieder, Oct 31, 2009
  32. 2/8 Do not use VISUAL editor on dumb terminalsJonathan Nieder, Oct 31, 2009
  33. 3/8 Teach git var about GIT_EDITORJonathan Nieder, Oct 31, 2009
  34. Junio C HamanoOct 31, 2009
  35. Jonathan NiederOct 31, 2009
  36. Junio C HamanoOct 31, 2009
  37. Jonathan NiederOct 31, 2009
  38. Teach git var about GIT_EDITORJonathan Nieder, Oct 31, 2009
  39. Jonathan NiederOct 31, 2009
  40. Teach git var about GIT_EDITORJonathan Nieder, Oct 31, 2009
  41. Junio C HamanoNov 1, 2009
  42. Johannes SixtOct 31, 2009
  43. 4/8 Teach git var about GIT_PAGERJonathan Nieder, Oct 31, 2009
  44. 5/8 add -i, send-email, svn, p4, etc: use "git var GIT_EDITOR"Jonathan Nieder, Oct 31, 2009
  45. 6/8 am -i, git-svn: use "git var GIT_PAGER"Jonathan Nieder, Oct 31, 2009
  46. 7/8 Provide a build time default-editor settingJonathan Nieder, Oct 31, 2009
  47. Junio C HamanoOct 31, 2009
  48. Jonathan NiederOct 31, 2009
  49. Junio C HamanoOct 31, 2009
  50. Jonathan NiederOct 31, 2009
  51. Junio C HamanoNov 1, 2009
  52. 8/8 Provide a build time default-pager settingJonathan Nieder, Oct 31, 2009
  53. 0/9 Default pager and editorJonathan Nieder, Nov 11, 2009
  54. 1/9 Handle more shell metacharacters in editor namesJonathan Nieder, Nov 11, 2009
  55. 2/9 Do not use VISUAL editor on dumb terminalsJonathan Nieder, Nov 11, 2009
  56. 3/9 Suppress warnings from "git var -l"Jonathan Nieder, Nov 11, 2009
  57. 4/9 Teach git var about GIT_EDITORJonathan Nieder, Nov 12, 2009
  58. 5/9 Teach git var about GIT_PAGERJonathan Nieder, Nov 12, 2009
  59. 6/9 add -i, send-email, svn, p4, etc: use "git var GIT_EDITOR"Jonathan Nieder, Nov 12, 2009
  60. 7/9 am -i, git-svn: use "git var GIT_PAGER"Jonathan Nieder, Nov 12, 2009
  61. 8/9 Provide a build time default-editor settingJonathan Nieder, Nov 12, 2009
  62. 9/9 Provide a build time default-pager settingJonathan Nieder, Nov 12, 2009
  63. Junio C HamanoNov 15, 2009
  64. 0/2 Default Pager and Editor at build-timeBen Walton, Oct 29, 2009
  65. 1/2 Provide a build time default-pager settingBen Walton, Oct 29, 2009

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