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[PATCH 07/10] name-rev: factor out get_parent_name()

From
René Scharfe <l.s.r@web.de>
Date
Feb 4, 2020, 21:23 UTC
Message-ID
<1d7f3936-20e0-2452-15bc-2b58c71c57ed@web.de>
In-Reply-To
<084909f8-fefa-1fe0-b2ce-74eff47c4972@web.de>

Reduce nesting by moving code to come up with a name for the parent into its own function.

Signed-off-by: René Scharfe <l.s.r@web.de>
---
 builtin/name-rev.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/builtin/name-rev.c b/builtin/name-rev.c
index 14381a3c64..6701fb1569 100644
--- a/builtin/name-rev.c
+++ b/builtin/name-rev.c
@@ -101,6 +101,19 @@ static struct rev_name *create_or_update_name(struct commit *commit,
 	return name;
 }

+static char *get_parent_name(const struct rev_name *name, int parent_number)
+{
+	size_t len;
+
+	strip_suffix(name->tip_name, "^0", &len);
+	if (name->generation > 0)
+		return xstrfmt("%.*s~%d^%d", (int)len, name->tip_name,
+			       name->generation, parent_number);
+	else
+		return xstrfmt("%.*s^%d", (int)len, name->tip_name,
+			       parent_number);
+}
+
 static void name_rev(struct commit *start_commit,
 		const char *tip_name, timestamp_t taggerdate,
 		int from_tag, int deref)
@@ -148,19 +161,7 @@ static void name_rev(struct commit *start_commit,
 				continue;

 			if (parent_number > 1) {
-				size_t len;
-
-				strip_suffix(name->tip_name, "^0", &len);
-				if (name->generation > 0)
-					new_name = xstrfmt("%.*s~%d^%d",
-							   (int)len,
-							   name->tip_name,
-							   name->generation,
-							   parent_number);
-				else
-					new_name = xstrfmt("%.*s^%d", (int)len,
-							   name->tip_name,
-							   parent_number);
+				new_name = get_parent_name(name, parent_number);
 				generation = 0;
 				distance = name->distance + MERGE_TRAVERSAL_WEIGHT;
 			} else {
--
2.25.0
Previous: René ScharfeNext: René Scharfe
Message 13 of 27 in “name-rev: improve memory usage”
  1. 00/10 name-rev: improve memory usageRené Scharfe, Feb 4, 2020
  2. 01/10 name-rev: rewrite create_or_update_name()René Scharfe, Feb 4, 2020
  3. Derrick StoleeFeb 5, 2020
  4. Taylor BlauFeb 5, 2020
  5. Andrei RybakFeb 5, 2020
  6. René ScharfeFeb 5, 2020
  7. 02/10 name-rev: remove unused typedefRené Scharfe, Feb 4, 2020
  8. 03/10 name-rev: respect const qualifierRené Scharfe, Feb 4, 2020
  9. 04/10 name-rev: don't leak path copy in name_ref()René Scharfe, Feb 4, 2020
  10. Derrick StoleeFeb 5, 2020
  11. 05/10 name-rev: don't _peek() in create_or_update_name()René Scharfe, Feb 4, 2020
  12. 06/10 name-rev: put struct rev_name into commit slabRené Scharfe, Feb 4, 2020
  13. 07/10 name-rev: factor out get_parent_name()René Scharfe, Feb 4, 2020
  14. 08/10 name-rev: pre-size buffer in get_parent_name()René Scharfe, Feb 4, 2020
  15. Derrick StoleeFeb 5, 2020
  16. René ScharfeFeb 5, 2020
  17. 09/10 name-rev: generate name strings only if they are betterRené Scharfe, Feb 4, 2020
  18. Derrick StoleeFeb 5, 2020
  19. René ScharfeFeb 5, 2020
  20. 10/10 name-rev: release unused name stringsRené Scharfe, Feb 4, 2020
  21. Derrick StoleeFeb 5, 2020
  22. Derrick StoleeFeb 5, 2020
  23. Derrick StoleeFeb 5, 2020
  24. 01/10 name-rev: rewrite create_or_update_name()René Scharfe, Feb 5, 2020
  25. 11/10 name-rev: sort tip names before applyingRené Scharfe, Feb 5, 2020
  26. Junio C HamanoFeb 5, 2020
  27. René ScharfeFeb 5, 2020

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