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authorLars Hjemli <hjemli@gmail.com>2010-03-22 00:09:43 +0100
committerLars Hjemli <hjemli@gmail.com>2010-03-22 00:09:43 +0100
commitba56a37e863d0f90e3e953047486905cfb959925 (patch)
tree965e2c917f472264de35125eec35c361984eba4f /cgit.c
parentui-tree: add link to plain view for blobs in tree listing (diff)
downloadcgit-pink-ba56a37e863d0f90e3e953047486905cfb959925.tar.gz
cgit-pink-ba56a37e863d0f90e3e953047486905cfb959925.zip
Add support for environment variable expansion
This patch teaches cgit to expand environment variables in certain
cgitrc option values (cache_root, scan-path, include) plus when
finding the location of cgitrc itself.

One use case for this feature is virtual hosting - e.g. by setting
$CGIT_CONFIG='/etc/cgitrc/$HTTP_HOST' in httpd.conf, all virtual
hosts automatically gets their own cgitrc.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to '')
-rw-r--r--cgit.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/cgit.c b/cgit.c
index 9305d0a..37154e3 100644
--- a/cgit.c
+++ b/cgit.c
@@ -148,7 +148,7 @@ void config_cb(const char *name, const char *value)
 	else if (!strcmp(name, "cache-size"))
 		ctx.cfg.cache_size = atoi(value);
 	else if (!strcmp(name, "cache-root"))
-		ctx.cfg.cache_root = xstrdup(value);
+		ctx.cfg.cache_root = xstrdup(expand_macros(value));
 	else if (!strcmp(name, "cache-root-ttl"))
 		ctx.cfg.cache_root_ttl = atoi(value);
 	else if (!strcmp(name, "cache-repo-ttl"))
@@ -177,9 +177,9 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.max_commit_count = atoi(value);
 	else if (!strcmp(name, "scan-path"))
 		if (!ctx.cfg.nocache && ctx.cfg.cache_size)
-			process_cached_repolist(value);
+			process_cached_repolist(expand_macros(value));
 		else
-			scan_tree(value, repo_config);
+			scan_tree(expand_macros(value), repo_config);
 	else if (!strcmp(name, "source-filter"))
 		ctx.cfg.source_filter = new_filter(value, 1);
 	else if (!strcmp(name, "summary-log"))
@@ -203,7 +203,7 @@ void config_cb(const char *name, const char *value)
 	else if (!prefixcmp(name, "mimetype."))
 		add_mimetype(name + 9, value);
 	else if (!strcmp(name, "include"))
-		parse_configfile(value, config_cb);
+		parse_configfile(expand_macros(value), config_cb);
 }
 
 static void querystring_cb(const char *name, const char *value)
@@ -688,7 +688,7 @@ int main(int argc, const char **argv)
 	cgit_repolist.repos = NULL;
 
 	cgit_parse_args(argc, argv);
-	parse_configfile(ctx.env.cgit_config, config_cb);
+	parse_configfile(expand_macros(ctx.env.cgit_config), config_cb);
 	ctx.repo = NULL;
 	http_parse_querystring(ctx.qry.raw, querystring_cb);