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ostree/SOURCES/0003-repo-Factor-out-_ostre...

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From 4a997ae08605ebe6ca02d9f422082f954e667a6c Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Sat, 30 Apr 2022 12:20:11 +0100
Subject: [PATCH 3/6] repo: Factor out _ostree_repo_auto_transaction_new()
This will allow the direct allocation in
ostree_repo_prepare_transaction() to be replaced with a call to this
function, avoiding breaking encapsulation.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 540e60c3e3ace66dd4e6cf825488fc918260a642)
---
src/libostree/ostree-repo-private.h | 4 ++++
src/libostree/ostree-repo.c | 32 ++++++++++++++++++++++++-----
2 files changed, 31 insertions(+), 5 deletions(-)
diff --git a/src/libostree/ostree-repo-private.h b/src/libostree/ostree-repo-private.h
index 988c2179..96253e77 100644
--- a/src/libostree/ostree-repo-private.h
+++ b/src/libostree/ostree-repo-private.h
@@ -554,4 +554,8 @@ GType _ostree_repo_auto_transaction_get_type (void);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoAutoTransaction, _ostree_repo_auto_transaction_unref);
+/* Internal function to break a circular dependency:
+ * should not be made into public API, even if the rest is */
+OstreeRepoAutoTransaction *_ostree_repo_auto_transaction_new (OstreeRepo *repo);
+
G_END_DECLS
diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index a27591b3..f6bffd60 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -709,6 +709,32 @@ ostree_repo_auto_lock_cleanup (OstreeRepoAutoLock *auto_lock)
}
}
+/**
+ * _ostree_repo_auto_transaction_new:
+ * @repo: (not nullable): an #OsreeRepo object
+ * @cancellable: Cancellable
+ * @error: a #GError
+ *
+ * Return a guard for a transaction in @repo.
+ *
+ * Do not call this function outside the OstreeRepo transaction implementation.
+ * Use _ostree_repo_auto_transaction_start() instead.
+ *
+ * Returns: (transfer full): an #OstreeRepoAutoTransaction guard on success,
+ * %NULL otherwise.
+ */
+OstreeRepoAutoTransaction *
+_ostree_repo_auto_transaction_new (OstreeRepo *repo)
+{
+ g_assert (repo != NULL);
+
+ OstreeRepoAutoTransaction *txn = g_malloc(sizeof(OstreeRepoAutoTransaction));
+ txn->atomic_refcount = 1;
+ txn->repo = g_object_ref (repo);
+
+ return g_steal_pointer (&txn);
+}
+
/**
* _ostree_repo_auto_transaction_start:
* @repo: (not nullable): an #OsreeRepo object
@@ -730,11 +756,7 @@ _ostree_repo_auto_transaction_start (OstreeRepo *repo,
if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
return NULL;
- OstreeRepoAutoTransaction *txn = g_malloc(sizeof(OstreeRepoAutoTransaction));
- txn->atomic_refcount = 1;
- txn->repo = g_object_ref (repo);
-
- return g_steal_pointer (&txn);
+ return _ostree_repo_auto_transaction_new (repo);
}
/**
--
2.31.1