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[PATCH 4/7] add line number and file name info to `config_set`

From
Tanay Abhra <tanayabh@gmail.com>
Date
Jul 23, 2014, 18:42 UTC
Message-ID
<1406140978-9472-5-git-send-email-tanayabh@gmail.com>
In-Reply-To
<1406140978-9472-1-git-send-email-tanayabh@gmail.com>

Store file name and line number for each key-value pair in the cache. Use the information to print line number and file name in errors raised by `git_config()` which now uses the configuration files caching layer internally.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
---
 config.c | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)
diff --git a/config.c b/config.c
index a7fb9a4..43a951f 100644
--- a/config.c
+++ b/config.c
@@ -1237,9 +1237,15 @@ static int git_config_raw(config_fn_t fn, void *data)
 	return git_config_with_options(fn, data, NULL, 1);
 }
 
+struct key_value_info {
+	const char *filename;
+	int linenr;
+};
+
 static int configset_iter(struct config_set *cs, config_fn_t fn, void *data)
 {
 	int i;
+	struct key_value_info *kv_info;
 	struct string_list *strptr;
 	struct config_set_element *entry;
 	struct hashmap_iter iter;
@@ -1247,8 +1253,15 @@ static int configset_iter(struct config_set *cs, config_fn_t fn, void *data)
 	while ((entry = hashmap_iter_next(&iter))) {
 		strptr = &entry->value_list;
 		for (i = 0; i < strptr->nr; i++) {
-			if (fn(entry->key, strptr->items[i].string, data) < 0)
-				die("bad config file line in (TODO: file/line info)");
+			if (fn(entry->key, strptr->items[i].string, data) < 0) {
+				kv_info = strptr->items[i].util;
+				if (!kv_info->linenr)
+					die("unable to parse command-line config");
+				else
+					die("bad config file line %d in %s",
+						kv_info->linenr,
+						kv_info->filename);
+			}
 		}
 	}
 	return 0;
@@ -1287,6 +1300,8 @@ static struct config_set_element *configset_find_element(struct config_set *cs,
 static int configset_add_value(struct config_set *cs, const char *key, const char *value)
 {
 	struct config_set_element *e;
+	struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
+	struct string_list_item *si;
 	e = configset_find_element(cs, key);
 	/*
 	 * Since the keys are being fed by git_config*() callback mechanism, they
@@ -1299,7 +1314,16 @@ static int configset_add_value(struct config_set *cs, const char *key, const cha
 		string_list_init(&e->value_list, 1);
 		hashmap_add(&cs->config_hash, e);
 	}
-	string_list_append_nodup(&e->value_list, value ? xstrdup(value) : NULL);
+	si = string_list_append_nodup(&e->value_list, value ? xstrdup(value) : NULL);
+	if (cf) {
+		kv_info->filename = strintern(cf->name);
+		kv_info->linenr = cf->linenr;
+	} else {
+		/* for values read from `git_config_from_parameters()` */
+		kv_info->filename = strintern("parameter");
+		kv_info->linenr = 0;
+	}
+	si->util = kv_info;
 
 	return 0;
 }
@@ -1326,7 +1350,7 @@ void git_configset_clear(struct config_set *cs)
 	hashmap_iter_init(&cs->config_hash, &iter);
 	while ((entry = hashmap_iter_next(&iter))) {
 		free(entry->key);
-		string_list_clear(&entry->value_list, 0);
+		string_list_clear(&entry->value_list, 1);
 	}
 	hashmap_free(&cs->config_hash, 1);
 	cs->hash_initialized = 0;
-- 
1.9.0.GIT
Previous: Junio C HamanoNext: Junio C Hamano
Message 19 of 51 in “Rewrite `git_config()` using config-set API”
  1. 0/7 Rewrite `git_config()` using config-set APITanay Abhra, Jul 23, 2014
  2. 1/7 config.c: fix accuracy of line number in errorsTanay Abhra, Jul 23, 2014
  3. Junio C HamanoJul 23, 2014
  4. Tanay AbhraJul 24, 2014
  5. Junio C HamanoJul 24, 2014
  6. Tanay AbhraJul 24, 2014
  7. Matthieu MoyJul 24, 2014
  8. 2/7 rewrite git_config() to use the config-set APITanay Abhra, Jul 23, 2014
  9. Matthieu MoyJul 23, 2014
  10. Matthieu MoyJul 23, 2014
  11. Junio C HamanoJul 23, 2014
  12. Matthieu MoyJul 24, 2014
  13. 3/7 add a test for semantic errors in config filesTanay Abhra, Jul 23, 2014
  14. Matthieu MoyJul 23, 2014
  15. Junio C HamanoJul 23, 2014
  16. Tanay AbhraJul 24, 2014
  17. Matthieu MoyJul 24, 2014
  18. Junio C HamanoJul 24, 2014
  19. 4/7 add line number and file name info to `config_set`Tanay Abhra, Jul 23, 2014
  20. Junio C HamanoJul 23, 2014
  21. 5/7 enforce `xfuncname` precedence over `funcname`Tanay Abhra, Jul 23, 2014
  22. Matthieu MoyJul 23, 2014
  23. Eric SunshineJul 23, 2014
  24. Junio C HamanoJul 23, 2014
  25. Matthieu MoyJul 24, 2014
  26. Junio C HamanoJul 24, 2014
  27. Tanay AbhraJul 24, 2014
  28. Matthieu MoyJul 24, 2014
  29. John KeepingJul 24, 2014
  30. Junio C HamanoJul 24, 2014
  31. Tanay AbhraJul 24, 2014
  32. Junio C HamanoJul 24, 2014
  33. Ramsay JonesJul 24, 2014
  34. Tanay AbhraJul 25, 2014
  35. Matthieu MoyJul 25, 2014
  36. Junio C HamanoJul 25, 2014
  37. Matthieu MoyJul 25, 2014
  38. Junio C HamanoJul 25, 2014
  39. 6/7 config: add `git_die_config()` to the config-set APITanay Abhra, Jul 23, 2014
  40. 7/7 Add tests for `git_config_get_string()`Tanay Abhra, Jul 23, 2014
  41. Matthieu MoyJul 23, 2014
  42. Matthieu MoyJul 23, 2014
  43. Junio C HamanoJul 23, 2014
  44. Tanay AbhraJul 24, 2014
  45. Matthieu MoyJul 24, 2014
  46. Tanay AbhraJul 24, 2014
  47. Matthieu MoyJul 24, 2014
  48. Junio C HamanoJul 24, 2014
  49. 1/2 add `config_set` API for caching config-like filesTanay Abhra, Jul 24, 2014
  50. Junio C HamanoJul 24, 2014
  51. 2/2 test-config: add tests for the config_set APITanay Abhra, Jul 24, 2014

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