git p4 doc: fix branch detection example

diff --git a/editor.c b/editor.c
index 615f5754d66ba7ea611a4837b1ff802f9f9de598..27bdecdaf3d99d3179737e07be971d2458408660 100644 (file)
--- a/editor.c
+++ b/editor.c
@@ -1,6 +1,7 @@
 #include "cache.h"
 #include "strbuf.h"
 #include "run-command.h"
+#include "sigchain.h"
 
 #ifndef DEFAULT_EDITOR
 #define DEFAULT_EDITOR "vi"
@@ -36,26 +37,26 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
                return error("Terminal is dumb, but EDITOR unset");
 
        if (strcmp(editor, ":")) {
-               size_t len = strlen(editor);
-               int i = 0;
-               int failed;
-               const char *args[6];
-               struct strbuf arg0 = STRBUF_INIT;
+               const char *args[] = { editor, path, NULL };
+               struct child_process p;
+               int ret, sig;
 
-               if (strcspn(editor, "|&;<>()$`\\\"' \t\n*?[#~=%") != len) {
-                       /* there are specials */
-                       strbuf_addf(&arg0, "%s \"$@\"", editor);
-                       args[i++] = "sh";
-                       args[i++] = "-c";
-                       args[i++] = arg0.buf;
-               }
-               args[i++] = editor;
-               args[i++] = path;
-               args[i] = NULL;
+               memset(&p, 0, sizeof(p));
+               p.argv = args;
+               p.env = env;
+               p.use_shell = 1;
+               if (start_command(&p) < 0)
+                       return error("unable to start editor '%s'", editor);
 
-               failed = run_command_v_opt_cd_env(args, 0, NULL, env);
-               strbuf_release(&arg0);
-               if (failed)
+               sigchain_push(SIGINT, SIG_IGN);
+               sigchain_push(SIGQUIT, SIG_IGN);
+               ret = finish_command(&p);
+               sig = ret - 128;
+               sigchain_pop(SIGINT);
+               sigchain_pop(SIGQUIT);
+               if (sig == SIGINT || sig == SIGQUIT)
+                       raise(sig);
+               if (ret)
                        return error("There was a problem with the editor '%s'.",
                                        editor);
        }