After we copy the templates into place, we re-read the
config in case we copied in a default config file. But since
git_config() is backed by a cache these days, it's possible
that the call will not actually touch the filesystem at all;
we need to tell it that something has changed behind the
scenes.
Note that we also need to reset the shared_repository
config. At first glance, it seems like this should probably
just be folded into git_config_clear(). But unfortunately
that is not quite right. The shared repository value may
come from config, _or_ it may have been set manually. So
only the caller who knows whether or not they set it is the
one who can clear it (and indeed, if you _do_ put it into
git_config_clear(), then many tests fail, as we have to
clear the config cache any time we set a new config
variable).
There are three tests here. The first two actually pass
already, though it's largely luck: they just don't happen to
actually read any config before we enter the new repo.
But the third one does fail without this patch; we look at
core.sharedrepository while creating the directory, but need
to make sure the value from the template config overrides
it.
Signed-off-by: Jeff King <peff@xxxxxxxx>
---
builtin/init-db.c | 6 ++++++
cache.h | 7 +++++++
environment.c | 5 +++++
t/t1301-shared-repo.sh | 32 ++++++++++++++++++++++++++++++++
4 files changed, 50 insertions(+)
diff --git a/builtin/init-db.c b/builtin/init-db.c
index e935895..cea4550 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -195,8 +195,14 @@ static int create_default_files(const char *template_path)
* First copy the templates -- we might have the default
* config file there, in which case we would want to read
* from it after installing.
+ *
+ * Before reading that config, we also need to clear out any cached
+ * values (since we've just potentially changed what's available on
+ * disk).
*/
copy_templates(template_path);
+ git_config_clear();
+ reset_shared_repository();
git_config(git_default_config, NULL);
/*
diff --git a/cache.h b/cache.h
index e9592d3..4c8d85b 100644
--- a/cache.h
+++ b/cache.h
@@ -671,8 +671,15 @@ extern size_t delta_base_cache_limit;
extern unsigned long big_file_threshold;
extern unsigned long pack_size_limit_cfg;
+/*
+ * Accessors for the core.sharedrepository config which lazy-load the value
+ * from the config (if not already set). The "reset" function can be
+ * used to unset "set" or cached value, meaning that the value will be loaded
+ * fresh from the config file on the next call to get_shared_repository().
+ */
void set_shared_repository(int value);
int get_shared_repository(void);
+void reset_shared_repository(void);
/*
* Do replace refs need to be checked this run? This variable is
diff --git a/environment.c b/environment.c
index c0cce6b..cd5aa57 100644
--- a/environment.c
+++ b/environment.c
@@ -351,3 +351,8 @@ int get_shared_repository(void)
}
return the_shared_repository;
}
+
+void reset_shared_repository(void)
+{
+ need_shared_repository_from_config = 1;
+}
diff --git a/t/t1301-shared-repo.sh b/t/t1301-shared-repo.sh
index 7c28642..1312004 100755
--- a/t/t1301-shared-repo.sh
+++ b/t/t1301-shared-repo.sh
@@ -181,4 +181,36 @@ test_expect_success POSIXPERM 'remote init does not use config from cwd' '
test_cmp expect actual
'
+test_expect_success POSIXPERM 're-init respects core.sharedrepository (local)' '
+ git config core.sharedrepository 0666 &&
+ umask 0022 &&
+ echo whatever >templates/foo &&
+ git init --template=templates &&
+ echo "-rw-rw-rw-" >expect &&
+ modebits .git/foo >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success POSIXPERM 're-init respects core.sharedrepository (remote)' '
+ rm -rf child.git &&
+ umask 0022 &&
+ git init --bare --shared=0666 child.git &&
+ test_path_is_missing child.git/foo &&
+ git init --bare --template=../templates child.git &&
+ echo "-rw-rw-rw-" >expect &&
+ modebits child.git/foo >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success POSIXPERM 'template can set core.sharedrepository' '
+ rm -rf child.git &&
+ umask 0022 &&
+ git config core.sharedrepository 0666 &&
+ cp .git/config templates/config &&
+ git init --bare --template=../templates child.git &&
+ echo "-rw-rw-rw-" >expect &&
+ modebits child.git/HEAD >actual &&
+ test_cmp expect actual
+'
+
test_done
--
2.10.0.230.g6f8d04b