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[PATCH 2/2] diff: avoid some nesting

From
Thomas Gummerer <t.gummerer@gmail.com>
Date
Dec 16, 2013, 19:23 UTC
Message-ID
<1387221810-32374-2-git-send-email-t.gummerer@gmail.com>
In-Reply-To
<1387221810-32374-1-git-send-email-t.gummerer@gmail.com>

Avoid some nesting in builtin/diff.c, to make the code easier to read. No functional changes.

Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
---

This is based on comments by Jonathan on the version that is already next.

builtin/diff.c | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)
diff --git a/builtin/diff.c b/builtin/diff.c
index ea1dd65..24d6271 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -319,27 +319,26 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
 
 	init_revisions(&rev, prefix);
 
-	if (no_index) {
-		if (argc != i + 2) {
-			if (no_index == DIFF_NO_INDEX_IMPLICIT) {
-				/*
-				 * There was no --no-index and there were not two
-				 * paths. It is possible that the user intended
-				 * to do an inside-repository operation.
-				 */
-				fprintf(stderr, "Not a git repository\n");
-				fprintf(stderr,
-					"To compare two paths outside a working tree:\n");
-			}
-			/* Give the usage message for non-repository usage and exit. */
-			usagef("git diff %s <path> <path>",
-			       no_index == DIFF_NO_INDEX_EXPLICIT ?
-					"--no-index" : "[--no-index]");
-
+	if (no_index && argc != i + 2) {
+		if (no_index == DIFF_NO_INDEX_IMPLICIT) {
+			/*
+			 * There was no --no-index and there were not two
+			 * paths. It is possible that the user intended
+			 * to do an inside-repository operation.
+			 */
+			fprintf(stderr, "Not a git repository\n");
+			fprintf(stderr,
+				"To compare two paths outside a working tree:\n");
 		}
+		/* Give the usage message for non-repository usage and exit. */
+		usagef("git diff %s <path> <path>",
+		       no_index == DIFF_NO_INDEX_EXPLICIT ?
+		       "--no-index" : "[--no-index]");
+
+	}
+	if (no_index)
 		/* If this is a no-index diff, just run it and exit there. */
 		diff_no_index(&rev, argc, argv, prefix);
-	}
 
 	/* Otherwise, we are doing the usual "git" diff */
 	rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index;
-- 
1.8.5.4.g8639e57
Previous: Thomas GummererNext: Junio C Hamano
Message 27 of 30 in “diff: don't read index when --no-index is given”
  1. diff: don't read index when --no-index is givenThomas Gummerer, Dec 9, 2013
  2. Jonathan NiederDec 9, 2013
  3. Jens LehmannDec 9, 2013
  4. Jonathan NiederDec 9, 2013
  5. Thomas GummererDec 9, 2013
  6. Jonathan NiederDec 9, 2013
  7. diff: don't read index when --no-index is givenThomas Gummerer, Dec 9, 2013
  8. Torsten BögershausenDec 9, 2013
  9. Eric SunshineDec 9, 2013
  10. Thomas GummererDec 9, 2013
  11. Junio C HamanoDec 9, 2013
  12. Thomas GummererDec 9, 2013
  13. 1/2 diff: move no-index detection to builtin/diff.cThomas Gummerer, Dec 10, 2013
  14. 2/2 diff: don't read index when --no-index is givenThomas Gummerer, Dec 10, 2013
  15. Jonathan NiederDec 10, 2013
  16. Thomas GummererDec 10, 2013
  17. Jonathan NiederDec 10, 2013
  18. Thomas GummererDec 10, 2013
  19. 1/2 diff: move no-index detection to builtin/diff.cThomas Gummerer, Dec 11, 2013
  20. 2/2 diff: don't read index when --no-index is givenThomas Gummerer, Dec 11, 2013
  21. Junio C HamanoDec 12, 2013
  22. Jonathan NiederDec 14, 2013
  23. Jonathan NiederDec 14, 2013
  24. Thomas GummererDec 14, 2013
  25. Junio C HamanoDec 16, 2013
  26. 1/2 diff: add test for --no-index executed outside repoThomas Gummerer, Dec 16, 2013
  27. 2/2 diff: avoid some nestingThomas Gummerer, Dec 16, 2013
  28. Junio C HamanoDec 16, 2013
  29. 1/2 diff: move no-index detection to builtin/diff.cThomas Gummerer, Dec 14, 2013
  30. 2/2 diff: don't read index when --no-index is givenThomas Gummerer, Dec 14, 2013

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