From 7a51a1808fb440b1aca58780ccc09ffe11d4d3d6 Mon Sep 17 00:00:00 2001
From: Geoffrey Irving <irving@naml.us>
Date: Tue, 8 Jul 2008 20:25:53 -0700
Subject: [PATCH 3/3] cherry: add cherry.cachepatchids option
The patch-id caching optimization in git-cherry is still enabled by default,
but now it can be disabled by setting cherry.cachepatchids = false.
---
Documentation/config.txt | 5 +++++
builtin-log.c | 12 ++++++++++++
patch-ids.c | 12 +++++++++---
patch-ids.h | 2 ++
4 files changed, 28 insertions(+), 3 deletions(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 838794d..02b8113 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -468,6 +468,11 @@ browser.<tool>.path::
browse HTML help (see '-w' option in linkgit:git-help[1]) or a
working repository in gitweb (see linkgit:git-instaweb[1]).
+cherry.cachepatchids::
+ If true, linkgit:git-cherry will store a cache of computed patch-ids
+ in $GIT_DIR/patch-id-cache in order to make repeated invocations faster.
+ Defaults to true.
+
clean.requireForce::
A boolean to make git-clean do nothing unless given -f
or -n. Defaults to true.
diff --git a/builtin-log.c b/builtin-log.c
index 430d876..fbfefbd 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -1081,6 +1081,16 @@ static int add_pending_commit(const char *arg,
struct rev_info *revs, int flags)
return -1;
}
+static int git_cherry_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, "cherry.cachepatchids")) {
+ cache_patch_ids = git_config_bool(var, value);
+ return 0;
+ }
+
+ return 0;
+}
+
static const char cherry_usage[] =
"git-cherry [-v] <upstream> [<head>] [<limit>]";
int cmd_cherry(int argc, const char **argv, const char *prefix)
@@ -1094,6 +1104,8 @@ int cmd_cherry(int argc, const char **argv,
const char *prefix)
const char *limit = NULL;
int verbose = 0;
+ git_config(git_cherry_config, NULL);
+
if (argc > 1 && !strcmp(argv[1], "-v")) {
verbose = 1;
argc--;
diff --git a/patch-ids.c b/patch-ids.c
index 36332f3..7e3a563 100644
--- a/patch-ids.c
+++ b/patch-ids.c
@@ -4,6 +4,7 @@
#include "patch-ids.h"
#include "cached-sha1-map.h"
+int cache_patch_ids = 1;
struct cached_sha1_map patch_id_cache;
static int commit_patch_id(struct commit *commit, struct diff_options *options,
@@ -11,7 +12,8 @@ static int commit_patch_id(struct commit *commit,
struct diff_options *options,
{
/* pull patch-id out of the cache if possible */
patch_id_cache.filename = "patch-id-cache";
- if (!get_cached_sha1_entry(&patch_id_cache, commit->object.sha1, sha1))
+ if (cache_patch_ids && !get_cached_sha1_entry(&patch_id_cache,
+ commit->object.sha1, sha1))
return 0;
if (commit->parents)
@@ -25,7 +27,8 @@ static int commit_patch_id(struct commit *commit,
struct diff_options *options,
return ret;
/* record commit, patch-id pair in cache */
- set_cached_sha1_entry(&patch_id_cache, commit->object.sha1, sha1);
+ if (cache_patch_ids)
+ set_cached_sha1_entry(&patch_id_cache, commit->object.sha1, sha1);
return 0;
}
@@ -151,7 +154,10 @@ int free_patch_ids(struct patch_ids *ids)
free(patches);
}
- write_cached_sha1_map(&patch_id_cache);
+ /* write cached patch-ids and ignore any errors that arise
+ * (e.g. if the repository is write protected) */
+ if (cache_patch_ids)
+ write_cached_sha1_map(&patch_id_cache);
return 0;
}
diff --git a/patch-ids.h b/patch-ids.h
index c8c7ca1..c0ebdc1 100644
--- a/patch-ids.h
+++ b/patch-ids.h
@@ -18,4 +18,6 @@ int free_patch_ids(struct patch_ids *);
struct patch_id *add_commit_patch_id(struct commit *, struct patch_ids *);
struct patch_id *has_commit_patch_id(struct commit *, struct patch_ids *);
+extern int cache_patch_ids;
+
#endif /* PATCH_IDS_H */
--
1.5.6.2.258.g7a51a
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