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[PATCH v2 08/13] ref_resolves_to_object(): new function

From
Michael Haggerty <mhagger@alum.mit.edu>
Date
Jun 3, 2016, 12:33 UTC
Message-ID
<d7a116ad608aa733c712870c1d6759165811756f.1464957077.git.mhagger@alum.mit.edu>
In-Reply-To
<cover.1464957077.git.mhagger@alum.mit.edu>

Extract new function ref_resolves_to_object() from entry_resolves_to_object(). It can be used even if there is no ref_entry at hand.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 refs/files-backend.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 1a46f32..8ab4d5f 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -513,19 +513,32 @@ static void sort_ref_dir(struct ref_dir *dir)
 }
 
 /*
- * Return true iff the reference described by entry can be resolved to
- * an object in the database.  Emit a warning if the referred-to
- * object does not exist.
+ * Return true if refname, which has the specified oid and flags, can
+ * be resolved to an object in the database. If the referred-to object
+ * does not exist, emit a warning and return false.
+ */
+static int ref_resolves_to_object(const char *refname,
+				  const struct object_id *oid,
+				  unsigned int flags)
+{
+	if (flags & REF_ISBROKEN)
+		return 0;
+	if (!has_sha1_file(oid->hash)) {
+		error("%s does not point to a valid object!", refname);
+		return 0;
+	}
+	return 1;
+}
+
+/*
+ * Return true if the reference described by entry can be resolved to
+ * an object in the database; otherwise, emit a warning and return
+ * false.
  */
 static int entry_resolves_to_object(struct ref_entry *entry)
 {
-	if (entry->flag & REF_ISBROKEN)
-		return 0;
-	if (!has_sha1_file(entry->u.value.oid.hash)) {
-		error("%s does not point to a valid object!", entry->name);
-		return 0;
-	}
-	return 1;
+	return ref_resolves_to_object(entry->name,
+				      &entry->u.value.oid, entry->flag);
 }
 
 /*
-- 
2.8.1
Previous: Michael HaggertyNext: Michael Haggerty
Message 9 of 23 in “Reference iterators”
  1. 00/13 Reference iteratorsMichael Haggerty, Jun 3, 2016
  2. 01/13 refs: remove unnecessary "extern" keywordsMichael Haggerty, Jun 3, 2016
  3. 02/13 do_for_each_ref(): move docstring to the header fileMichael Haggerty, Jun 3, 2016
  4. 03/13 refs: use name "prefix" consistentlyMichael Haggerty, Jun 3, 2016
  5. 04/13 delete_refs(): add a flags argumentMichael Haggerty, Jun 3, 2016
  6. 05/13 remote rm: handle symbolic refs correctlyMichael Haggerty, Jun 3, 2016
  7. 06/13 get_ref_cache(): only create an instance if there is a submoduleMichael Haggerty, Jun 3, 2016
  8. 07/13 entry_resolves_to_object(): rename function from ref_resolves_to_object()Michael Haggerty, Jun 3, 2016
  9. 08/13 ref_resolves_to_object(): new functionMichael Haggerty, Jun 3, 2016
  10. 09/13 refs: introduce an iterator interfaceMichael Haggerty, Jun 3, 2016
  11. 10/13 do_for_each_ref(): reimplement using reference iterationMichael Haggerty, Jun 3, 2016
  12. 11/13 for_each_reflog(): don't abort for bad referencesMichael Haggerty, Jun 3, 2016
  13. 12/13 dir_iterator: new API for iterating over a directory treeMichael Haggerty, Jun 3, 2016
  14. Eric SunshineJun 7, 2016
  15. Michael HaggertyJun 9, 2016
  16. Michael HaggertyJun 9, 2016
  17. Junio C HamanoJun 9, 2016
  18. 13/13 for_each_reflog(): reimplement using iteratorsMichael Haggerty, Jun 3, 2016
  19. David TurnerJun 3, 2016
  20. Junio C HamanoJun 3, 2016
  21. Michael HaggertyJun 3, 2016
  22. Junio C HamanoJun 3, 2016
  23. Michael HaggertyJun 7, 2016

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