systemd/handle-SYSTEMCTL_OPTIONS-environment-variable.patch

From: Frederic Crozat <fcrozat@suse.com>
Date: Tue, 22 Jan 2013 17:02:04 +0000
Subject: handle SYSTEMCTL_OPTIONS environment variable

(bnc#798620)
---
 src/systemctl/systemctl.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 36918f2..28d6586 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -4340,6 +4340,26 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
+        if (secure_getenv("SYSTEMCTL_OPTIONS")) {
+                char **parsed_systemctl_options = strv_split_quoted(getenv("SYSTEMCTL_OPTIONS"));
+
+                if (*parsed_systemctl_options && **parsed_systemctl_options) {
+                        char **k,**a;
+                        char _cleanup_strv_free_ **new_argv = new(char*, strv_length(argv) + strv_length(parsed_systemctl_options) + 1);
+                        new_argv[0] = strdup(argv[0]);
+                        for (k = new_argv+1, a = parsed_systemctl_options; *a; k++, a++) {
+                                *k = strdup(*a);
+                        }
+                        for (a = argv+1; *a; k++, a++) {
+                                *k = strdup(*a);
+                        }
+                        *k = NULL;
+                        argv = new_argv;
+                        argc = strv_length(new_argv);
+                        strv_free (parsed_systemctl_options);
+                }
+        }
+
         while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:Pn:o:i", options, NULL)) >= 0) {
 
                 switch (c) {