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[PATCH 19/26] refs: Remove API function update_refs()

From
Michael Haggerty <mhagger@alum.mit.edu>
Date
Mar 10, 2014, 12:46 UTC
Message-ID
<1394455603-2968-20-git-send-email-mhagger@alum.mit.edu>
In-Reply-To
<1394455603-2968-1-git-send-email-mhagger@alum.mit.edu>

This should be done via reference transactions now. This also means that struct ref_update can become private.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 refs.c | 31 ++++++++++++++++++++-----------
 refs.h | 20 --------------------
 2 files changed, 20 insertions(+), 31 deletions(-)
diff --git a/refs.c b/refs.c
index 54260ce..91af0a0 100644
--- a/refs.c
+++ b/refs.c
@@ -3267,6 +3267,20 @@ static int update_ref_write(const char *action, const char *refname,
 	return 0;
 }
 
+/**
+ * Information needed for a single ref update.  Set new_sha1 to the
+ * new value or to zero to delete the ref.  To check the old value
+ * while locking the ref, set have_old to 1 and set old_sha1 to the
+ * value or to zero to ensure the ref does not exist before update.
+ */
+struct ref_update {
+	const char *ref_name;
+	unsigned char new_sha1[20];
+	unsigned char old_sha1[20];
+	int flags; /* REF_NODEREF? */
+	int have_old; /* 1 if old_sha1 is valid, 0 otherwise */
+};
+
 /*
  * Data structure for holding a reference transaction, which can
  * consist of checks and updates to multiple references, carried out
@@ -3385,16 +3399,17 @@ static int ref_update_reject_duplicates(struct ref_update **updates, int n,
 	return 0;
 }
 
-int update_refs(const char *action, struct ref_update * const *updates_orig,
-		int n, enum action_on_err onerr)
+int commit_ref_transaction(struct ref_transaction *transaction,
+			   const char *msg, enum action_on_err onerr)
 {
 	int ret = 0, delnum = 0, i;
 	struct ref_update **updates;
 	int *types;
 	struct ref_lock **locks;
 	const char **delnames;
+	int n = transaction->nr;
 
-	if (!updates_orig || !n)
+	if (!n)
 		return 0;
 
 	/* Allocate work space */
@@ -3404,7 +3419,7 @@ int update_refs(const char *action, struct ref_update * const *updates_orig,
 	delnames = xmalloc(sizeof(*delnames) * n);
 
 	/* Copy, sort, and reject duplicate refs */
-	memcpy(updates, updates_orig, sizeof(*updates) * n);
+	memcpy(updates, transaction->updates, sizeof(*updates) * n);
 	qsort(updates, n, sizeof(*updates), ref_update_compare);
 	ret = ref_update_reject_duplicates(updates, n, onerr);
 	if (ret)
@@ -3426,7 +3441,7 @@ int update_refs(const char *action, struct ref_update * const *updates_orig,
 	/* Perform updates first so live commits remain referenced */
 	for (i = 0; i < n; i++)
 		if (!is_null_sha1(updates[i]->new_sha1)) {
-			ret = update_ref_write(action,
+			ret = update_ref_write(msg,
 					       updates[i]->ref_name,
 					       updates[i]->new_sha1,
 					       locks[i], onerr);
@@ -3457,12 +3472,6 @@ cleanup:
 	return ret;
 }
 
-int commit_ref_transaction(struct ref_transaction *transaction,
-			   const char *msg, enum action_on_err onerr)
-{
-	return update_refs(msg, transaction->updates, transaction->nr, onerr);
-}
-
 char *shorten_unambiguous_ref(const char *refname, int strict)
 {
 	int i;
diff --git a/refs.h b/refs.h
index 2848fb7..b1f8b74 100644
--- a/refs.h
+++ b/refs.h
@@ -10,20 +10,6 @@ struct ref_lock {
 	int force_write;
 };
 
-/**
- * Information needed for a single ref update.  Set new_sha1 to the
- * new value or to zero to delete the ref.  To check the old value
- * while locking the ref, set have_old to 1 and set old_sha1 to the
- * value or to zero to ensure the ref does not exist before update.
- */
-struct ref_update {
-	const char *ref_name;
-	unsigned char new_sha1[20];
-	unsigned char old_sha1[20];
-	int flags; /* REF_NODEREF? */
-	int have_old; /* 1 if old_sha1 is valid, 0 otherwise */
-};
-
 struct ref_transaction;
 
 /*
@@ -288,12 +274,6 @@ int update_ref(const char *action, const char *refname,
 		const unsigned char *sha1, const unsigned char *oldval,
 		int flags, enum action_on_err onerr);
 
-/**
- * Lock all refs and then perform all modifications.
- */
-int update_refs(const char *action, struct ref_update * const *updates,
-		int n, enum action_on_err onerr);
-
 extern int parse_hide_refs_config(const char *var, const char *value, const char *);
 extern int ref_is_hidden(const char *);
 
-- 
1.9.0
Previous: Michael HaggertyNext: Michael Haggerty
Message 29 of 38 in “Clean up update-refs --stdin and implement ref_transaction”
  1. 00/26 Clean up update-refs --stdin and implement ref_transactionMichael Haggerty, Mar 10, 2014
  2. 01/26 t1400: Fix name and expected result of one testMichael Haggerty, Mar 10, 2014
  3. 02/26 t1400: Provide sensible input to the commandMichael Haggerty, Mar 10, 2014
  4. 03/26 t1400: Pass a legitimate <newvalue> to update commandMichael Haggerty, Mar 10, 2014
  5. Brad KingMar 10, 2014
  6. Michael HaggertyMar 10, 2014
  7. Brad KingMar 11, 2014
  8. Junio C HamanoMar 11, 2014
  9. Brad KingMar 11, 2014
  10. Michael HaggertyMar 20, 2014
  11. 04/26 parse_arg(): Really test that argument is properly terminatedMichael Haggerty, Mar 10, 2014
  12. 05/26 t1400: Add some more tests involving quoted argumentsMichael Haggerty, Mar 10, 2014
  13. Johan HerlandMar 10, 2014
  14. 06/26 refs.h: Rename the action_on_err constantsMichael Haggerty, Mar 10, 2014
  15. 07/26 update_refs(): Fix constnessMichael Haggerty, Mar 10, 2014
  16. 08/26 update-ref --stdin: Read the whole input at onceMichael Haggerty, Mar 10, 2014
  17. 09/26 parse_cmd_verify(): Copy old_sha1 instead of evaluating <oldvalue> twiceMichael Haggerty, Mar 10, 2014
  18. 10/26 update-ref.c: Extract a new function, parse_refname()Michael Haggerty, Mar 10, 2014
  19. 11/26 update-ref --stdin: Improve error messages for invalid valuesMichael Haggerty, Mar 10, 2014
  20. 12/26 update-ref --stdin: Make error messages more consistentMichael Haggerty, Mar 10, 2014
  21. 13/26 update-ref --stdin: Simplify error messages for missing oldvaluesMichael Haggerty, Mar 10, 2014
  22. Brad KingMar 10, 2014
  23. Brad KingMar 10, 2014
  24. 14/26 update-ref.c: Extract a new function, parse_next_sha1()Michael Haggerty, Mar 10, 2014
  25. 15/26 update-ref --stdin: Improve the error message for unexpected EOFMichael Haggerty, Mar 10, 2014
  26. 16/26 update-ref --stdin: Harmonize error messagesMichael Haggerty, Mar 10, 2014
  27. 17/26 refs: Add a concept of a reference transactionMichael Haggerty, Mar 10, 2014
  28. 18/26 update-ref --stdin: Reimplement using reference transactionsMichael Haggerty, Mar 10, 2014
  29. 19/26 refs: Remove API function update_refs()Michael Haggerty, Mar 10, 2014
  30. 20/26 struct ref_update: Rename field "ref_name" to "refname"Michael Haggerty, Mar 10, 2014
  31. 21/26 struct ref_update: Store refname as a FLEX_ARRAY.Michael Haggerty, Mar 10, 2014
  32. 22/26 commit_ref_transaction(): Introduce temporary variablesMichael Haggerty, Mar 10, 2014
  33. 23/26 struct ref_update: Add a lock memberMichael Haggerty, Mar 10, 2014
  34. 24/26 struct ref_update: Add type fieldMichael Haggerty, Mar 10, 2014
  35. 25/26 commit_ref_transaction(): Also free the ref_transactionMichael Haggerty, Mar 10, 2014
  36. 26/26 commit_ref_transaction(): Work with transaction->updates in placeMichael Haggerty, Mar 10, 2014
  37. Brad KingMar 10, 2014
  38. Michael HaggertyMar 10, 2014

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