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List: cgit
Subject: Re: [PATCH 1/1] git: update to v2.12.0
From: John Keeping <john () keeping ! me ! uk>
Date: 2017-03-04 12:22:46
Message-ID: 20170304122246.GB2102 () john ! keeping ! me ! uk
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On Wed, Mar 01, 2017 at 11:57:55AM +0100, Christian Hesse wrote:
> From: Christian Hesse <mail@eworm.de>
>
> Update to git version v2.12.0: With commit 8aee769f (pathspec: copy and free
> owned memory) member 'match' of 'struct pathspec_item' is no longer
> 'const char*' but just 'char*'.
>
> Signed-off-by: Christian Hesse <mail@eworm.de>
> ---
> Makefile | 2 +-
> cgit.h | 4 ++--
> git | 2 +-
> shared.c | 4 ++--
> ui-blob.c | 2 +-
> ui-blob.h | 2 +-
> ui-commit.c | 2 +-
> ui-commit.h | 2 +-
> ui-diff.c | 4 ++--
> ui-diff.h | 2 +-
> 10 files changed, 13 insertions(+), 13 deletions(-)
This feels a bit invasive for a change that just affects pathspec_item.
Can't we keep most of CGit's API the same (and keep prefixes "const")
and just adjust at the lowest level?
Maybe something like this instead?
-- >8 --
The definition of struct pathspec_item has changed with the expectation
that pathspecs will be managed dynamically. We work around this a bit
by setting up a static structure, but let's allocate the match string to
avoid needing to cast away const.
Signed-off-by: John Keeping <john@keeping.me.uk>
---
shared.c | 4 +++-
ui-blob.c | 9 ++++++---
2 files changed, 9 insertions(+), 4 deletions(-)
--- a/shared.c
+++ b/shared.c
@@ -352,7 +352,7 @@ void cgit_diff_tree(const struct object_id *old_oid,
opt.format_callback = cgit_diff_tree_cb;
opt.format_callback_data = fn;
if (prefix) {
- item.match = prefix;
+ item.match = xstrdup(prefix);
item.len = strlen(prefix);
opt.pathspec.nr = 1;
opt.pathspec.items = &item;
@@ -365,6 +365,8 @@ void cgit_diff_tree(const struct object_id *old_oid,
diff_root_tree_sha1(new_oid->hash, "", &opt);
diffcore_std(&opt);
diff_flush(&opt);
+
+ free(item.match);
}
void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
diff --git a/ui-blob.c b/ui-blob.c
index 5f30de7..793817f 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -38,7 +38,7 @@ int cgit_ref_path_exists(const char *path, const char *ref, int \
file_only) struct object_id oid;
unsigned long size;
struct pathspec_item path_items = {
- .match = path,
+ .match = xstrdup(path),
.len = strlen(path)
};
struct pathspec paths = {
@@ -53,10 +53,13 @@ int cgit_ref_path_exists(const char *path, const char *ref, int \
file_only) };
if (get_oid(ref, &oid))
- return 0;
+ goto done;
if (sha1_object_info(oid.hash, &size) != OBJ_COMMIT)
- return 0;
+ goto done;
read_tree_recursive(lookup_commit_reference(oid.hash)->tree, "", 0, 0, &paths, \
walk_tree, &walk_tree_ctx); +
+done:
+ free(path_items.match);
return walk_tree_ctx.found_path;
}
--
2.12.0.rc2.230.ga28edc07cd
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