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[PATCH v2] remote.c: convert if-else tower to switch

From
Denton Liu <liu.denton@gmail.com>
Date
Aug 7, 2025, 09:20 UTC
Message-ID
<54a16614e2a38117f533ede3321b4d8ee2eabe8c.1754558302.git.liu.denton@gmail.com>
In-Reply-To
<5866818859be97c091c40602974629eb7e463623.1754540903.git.liu.denton@gmail.com>

For better readability, convert the if-else tower into a switch statement.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
---
 remote.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/remote.c b/remote.c
index 465e0ea0eb..029b1fa93b 100644
--- a/remote.c
+++ b/remote.c
@@ -1171,7 +1171,6 @@ static void show_push_unqualified_ref_name_error(const char *dst_value,
 						 const char *matched_src_name)
 {
 	struct object_id oid;
-	enum object_type type;
 
 	/*
 	 * TRANSLATORS: "matches '%s'%" is the <dst> part of "git push
@@ -1196,30 +1195,36 @@ static void show_push_unqualified_ref_name_error(const char *dst_value,
 		BUG("'%s' is not a valid object, "
 		    "match_explicit_lhs() should catch this!",
 		    matched_src_name);
-	type = odb_read_object_info(the_repository->objects, &oid, NULL);
-	if (type == OBJ_COMMIT) {
+
+	switch (odb_read_object_info(the_repository->objects, &oid, NULL)) {
+	case OBJ_COMMIT:
 		advise(_("The <src> part of the refspec is a commit object.\n"
 			 "Did you mean to create a new branch by pushing to\n"
 			 "'%s:refs/heads/%s'?"),
 		       matched_src_name, dst_value);
-	} else if (type == OBJ_TAG) {
+		break;
+	case OBJ_TAG:
 		advise(_("The <src> part of the refspec is a tag object.\n"
 			 "Did you mean to create a new tag by pushing to\n"
 			 "'%s:refs/tags/%s'?"),
 		       matched_src_name, dst_value);
-	} else if (type == OBJ_TREE) {
+		break;
+	case OBJ_TREE:
 		advise(_("The <src> part of the refspec is a tree object.\n"
 			 "Did you mean to tag a new tree by pushing to\n"
 			 "'%s:refs/tags/%s'?"),
 		       matched_src_name, dst_value);
-	} else if (type == OBJ_BLOB) {
+		break;
+	case OBJ_BLOB:
 		advise(_("The <src> part of the refspec is a blob object.\n"
 			 "Did you mean to tag a new blob by pushing to\n"
 			 "'%s:refs/tags/%s'?"),
 		       matched_src_name, dst_value);
-	} else {
+		break;
+	default:
 		advise(_("The <src> part of the refspec ('%s') is an object ID that doesn't exist.\n"),
 		       matched_src_name);
+		break;
 	}
 }
 

Range-diff against v1:
1:  5866818859 ! 1:  54a16614e2 remote.c: convert if-else tower to switch
    @@ Commit message
     
      ## remote.c ##
     @@ remote.c: static void show_push_unqualified_ref_name_error(const char *dst_value,
    + 						 const char *matched_src_name)
    + {
    + 	struct object_id oid;
    +-	enum object_type type;
    + 
    + 	/*
    + 	 * TRANSLATORS: "matches '%s'%" is the <dst> part of "git push
    +@@ remote.c: static void show_push_unqualified_ref_name_error(const char *dst_value,
    + 		BUG("'%s' is not a valid object, "
      		    "match_explicit_lhs() should catch this!",
      		    matched_src_name);
    - 	type = odb_read_object_info(the_repository->objects, &oid, NULL);
    +-	type = odb_read_object_info(the_repository->objects, &oid, NULL);
     -	if (type == OBJ_COMMIT) {
    -+	switch (type) {
    ++
    ++	switch (odb_read_object_info(the_repository->objects, &oid, NULL)) {
     +	case OBJ_COMMIT:
      		advise(_("The <src> part of the refspec is a commit object.\n"
      			 "Did you mean to create a new branch by pushing to\n"
-- 
2.50.1
Previous: Patrick SteinhardtNext: Ben Knoble
Message 19 of 34 in “remote.c: remove erroneous BUG case”
  1. 0/2 remote.c: remove erroneous BUG caseDenton Liu, Aug 4, 2025
  2. 1/2 t5516: introduce 'push ref expression with non-existent oid src'Denton Liu, Aug 4, 2025
  3. 2/2 remote.c: remove BUG in show_push_unqualified_ref_name_error()Denton Liu, Aug 4, 2025
  4. Junio C HamanoAug 4, 2025
  5. 0/2 *** SUBJECT HERE ***Denton Liu, Aug 5, 2025
  6. 1/2 t5516: introduce 'push ref expression with non-existent oid src'Denton Liu, Aug 5, 2025
  7. Patrick SteinhardtAug 5, 2025
  8. Junio C HamanoAug 5, 2025
  9. 2/2 remote.c: remove BUG in show_push_unqualified_ref_name_error()Denton Liu, Aug 5, 2025
  10. Patrick SteinhardtAug 5, 2025
  11. 0/2 remote.c: remove erroneous BUG caseDenton Liu, Aug 6, 2025
  12. 1/2 t5516: remove surrounding empty lines in test bodiesDenton Liu, Aug 6, 2025
  13. Patrick SteinhardtAug 6, 2025
  14. 2/2 remote.c: remove BUG in show_push_unqualified_ref_name_error()Denton Liu, Aug 6, 2025
  15. Patrick SteinhardtAug 6, 2025
  16. Junio C HamanoAug 6, 2025
  17. remote.c: convert if-else tower to switchDenton Liu, Aug 7, 2025
  18. Patrick SteinhardtAug 7, 2025
  19. remote.c: convert if-else tower to switchDenton Liu, Aug 7, 2025
  20. Ben KnobleAug 7, 2025
  21. Eric SunshineAug 7, 2025
  22. Junio C HamanoAug 7, 2025
  23. 0/3 remote.c: remove erroneous BUG caseDenton Liu, Aug 8, 2025
  24. 1/3 t5516: remove surrounding empty lines in test bodiesDenton Liu, Aug 8, 2025
  25. 2/3 remote.c: convert if-else ladder to switchDenton Liu, Aug 8, 2025
  26. Patrick SteinhardtAug 8, 2025
  27. Denton LiuAug 8, 2025
  28. 3/3 remote.c: remove BUG in show_push_unqualified_ref_name_error()Denton Liu, Aug 8, 2025
  29. 0/3 remote.c: remove erroneous BUG caseDenton Liu, Aug 8, 2025
  30. 1/3 t5516: remove surrounding empty lines in test bodiesDenton Liu, Aug 8, 2025
  31. 2/3 remote.c: remove BUG in show_push_unqualified_ref_name_error()Denton Liu, Aug 8, 2025
  32. 3/3 remote.c: convert if-else ladder to switchDenton Liu, Aug 8, 2025
  33. Patrick SteinhardtAug 8, 2025
  34. Junio C HamanoAug 8, 2025

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