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repo: Tweak traversal API

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It's convenient for bindings if we have a version that doesn't mutate
the hash table, because they pass temporary hash tables as input.
This commit is contained in:
Colin Walters 2013-10-09 12:05:56 -04:00
parent af1c9b8721
commit 2708124190
6 changed files with 74 additions and 43 deletions
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4
src/libostree/ostree-repo-prune.c
View File

@ -152,7 +152,7 @@ ostree_repo_prune (OstreeRepo *self,
{
const char *checksum = value;
if (!ostree_repo_traverse_commit (self, checksum, depth, data.reachable,
if (!ostree_repo_traverse_commit_union (self, checksum, depth, data.reachable,
cancellable, error))
goto out;
}
@ -176,7 +176,7 @@ ostree_repo_prune (OstreeRepo *self,
if (objtype != OSTREE_OBJECT_TYPE_COMMIT)
continue;
if (!ostree_repo_traverse_commit (self, checksum, depth, data.reachable,
if (!ostree_repo_traverse_commit_union (self, checksum, depth, data.reachable,
cancellable, error))
goto out;
}

63
src/libostree/ostree-repo-traverse.c
View File

@ -38,7 +38,7 @@ GHashTable *
ostree_repo_traverse_new_reachable (void)
{
return g_hash_table_new_full (ostree_hash_object_name, g_variant_equal,
(GDestroyNotify)g_variant_unref, NULL);
NULL, (GDestroyNotify)g_variant_unref);
}
static gboolean
@ -125,25 +125,20 @@ traverse_dirtree_internal (OstreeRepo *repo,
return ret;
}
gboolean
ostree_repo_traverse_dirtree (OstreeRepo *repo,
const char *dirtree_checksum,
GHashTable *inout_reachable,
GCancellable *cancellable,
GError **error)
{
return traverse_dirtree_internal (repo, dirtree_checksum, 0,
inout_reachable, cancellable, error);
}
/**
* ostree_traverse_commit:
* ostree_repo_traverse_commit_union: (skip)
* @repo: Repo
* @commit_checksum: ASCII SHA256 checksum
* @maxdepth: Traverse this many parent commits, -1 for unlimited
* @inout_reachable: Set of reachable objects
* @cancellable: Cancellable
* @error: Error
*
* Add to @inout_reachable all objects reachable from
* @commit_checksum, traversing @maxdepth parent commits.
* Update the set @inout_reachable containing all objects reachable
* from @commit_checksum, traversing @maxdepth parent commits.
*/
gboolean
ostree_repo_traverse_commit (OstreeRepo *repo,
ostree_repo_traverse_commit_union (OstreeRepo *repo,
const char *commit_checksum,
int maxdepth,
GHashTable *inout_reachable,
@ -205,7 +200,7 @@ ostree_repo_traverse_commit (OstreeRepo *repo,
}
tmp_checksum = ostree_checksum_from_bytes_v (content_csum_bytes);
if (!ostree_repo_traverse_dirtree (repo, tmp_checksum, inout_reachable, cancellable, error))
if (!traverse_dirtree_internal (repo, tmp_checksum, 0, inout_reachable, cancellable, error))
goto out;
if (maxdepth == -1 || maxdepth > 0)
@ -228,3 +223,37 @@ ostree_repo_traverse_commit (OstreeRepo *repo,
out:
return ret;
}
/**
* ostree_repo_traverse_commit:
* @repo: Repo
* @commit_checksum: ASCII SHA256 checksum
* @maxdepth: Traverse this many parent commits, -1 for unlimited
* @out_reachable: (out) (element-type GVariant GVariant): Set of reachable objects
* @cancellable: Cancellable
* @error: Error
*
* Create a new set @out_reachable containing all objects reachable
* from @commit_checksum, traversing @maxdepth parent commits.
*/
gboolean
ostree_repo_traverse_commit (OstreeRepo *repo,
const char *commit_checksum,
int maxdepth,
GHashTable **out_reachable,
GCancellable *cancellable,
GError **error)
{
gboolean ret;
gs_unref_hashtable GHashTable *ret_reachable =
ostree_repo_traverse_new_reachable ();
if (!ostree_repo_traverse_commit_union (repo, commit_checksum, maxdepth,
ret_reachable, cancellable, error))
goto out;
ret = TRUE;
gs_transfer_out_value (out_reachable, &ret_reachable);
out:
return ret;
}

7
src/libostree/ostree-repo.h
View File

@ -414,13 +414,14 @@ gboolean ostree_repo_list_objects (OstreeRepo *self,
GHashTable *ostree_repo_traverse_new_reachable (void);
gboolean ostree_repo_traverse_dirtree (OstreeRepo *repo,
gboolean ostree_repo_traverse_commit (OstreeRepo *repo,
const char *commit_checksum,
GHashTable *inout_reachable,
int maxdepth,
GHashTable **out_reachable,
GCancellable *cancellable,
GError **error);
gboolean ostree_repo_traverse_commit (OstreeRepo *repo,
gboolean ostree_repo_traverse_commit_union (OstreeRepo *repo,
const char *commit_checksum,
int maxdepth,
GHashTable *inout_reachable,

8
src/ostree/ot-builtin-diff.c
View File

@ -178,8 +178,8 @@ ostree_builtin_diff (int argc, char **argv, OstreeRepo *repo, GCancellable *canc
if (opt_stats)
{
gs_unref_hashtable GHashTable *reachable_a = ostree_repo_traverse_new_reachable ();
gs_unref_hashtable GHashTable *reachable_b = ostree_repo_traverse_new_reachable ();
gs_unref_hashtable GHashTable *reachable_a = NULL;
gs_unref_hashtable GHashTable *reachable_b = NULL;
gs_unref_hashtable GHashTable *reachable_intersection = NULL;
gs_free char *rev_a = NULL;
gs_free char *rev_b = NULL;
@ -193,9 +193,9 @@ ostree_builtin_diff (int argc, char **argv, OstreeRepo *repo, GCancellable *canc
if (!ostree_repo_resolve_rev (repo, target, FALSE, &rev_b, error))
goto out;
if (!ostree_repo_traverse_commit (repo, rev_a, -1, reachable_a, cancellable, error))
if (!ostree_repo_traverse_commit (repo, rev_a, -1, &reachable_a, cancellable, error))
goto out;
if (!ostree_repo_traverse_commit (repo, rev_b, -1, reachable_b, cancellable, error))
if (!ostree_repo_traverse_commit (repo, rev_b, -1, &reachable_b, cancellable, error))
goto out;
a_size = g_hash_table_size (reachable_a);

2
src/ostree/ot-builtin-fsck.c
View File

@ -200,7 +200,7 @@ fsck_reachable_objects_from_commits (OstreeRepo *repo,
g_assert (objtype == OSTREE_OBJECT_TYPE_COMMIT);
if (!ostree_repo_traverse_commit (repo, checksum, 0, reachable_objects,
if (!ostree_repo_traverse_commit_union (repo, checksum, 0, reachable_objects,
cancellable, error))
goto out;
}

5
src/ostree/ot-builtin-pull-local.c
View File

@ -256,7 +256,7 @@ ostree_builtin_pull_local (int argc, char **argv, OstreeRepo *repo, GCancellable
{
const char *checksum = value;
if (!ostree_repo_traverse_commit (data->src_repo, checksum, 0, source_objects,
if (!ostree_repo_traverse_commit_union (data->src_repo, checksum, 0, source_objects,
cancellable, error))
goto out;
}
@ -268,8 +268,9 @@ ostree_builtin_pull_local (int argc, char **argv, OstreeRepo *repo, GCancellable
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *checksum = key;
gs_unref_hashtable GHashTable *tmp_source_objects = NULL;
if (!ostree_repo_traverse_commit (data->src_repo, checksum, 0, source_objects,
if (!ostree_repo_traverse_commit_union (data->src_repo, checksum, 0, source_objects,
cancellable, error))
goto out;
}