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 | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 84ce87c..cceafc9 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -5926,6 +5926,28 @@ int main(int argc, char*argv[]) {
         log_parse_environment();
         log_open();
 
+        if (secure_getenv("SYSTEMCTL_OPTIONS") &&
+                        (!program_invocation_short_name ||
+                        (program_invocation_short_name && strstr(program_invocation_short_name, "systemctl")))) {
+                char **parsed_systemctl_options = strv_split_quoted(getenv("SYSTEMCTL_OPTIONS"));
+
+                if (*parsed_systemctl_options && **parsed_systemctl_options) {
+                        char **k,**a;
+                        char **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);
+                }
+        }
+
         r = parse_argv(argc, argv);
         if (r < 0)
                 goto finish;