teach bash completion to treat commands with "--" as a helper

diff --git a/shell.c b/shell.c
index cd316185e96c73c1f7d0e6309abe3241c2deb7c4..9826109d5b1b3746aea33dc6b7ebe7b6da19bd22 100644 (file)
--- a/shell.c
+++ b/shell.c
@@ -1,5 +1,7 @@
 #include "cache.h"
 #include "quote.h"
+#include "exec_cmd.h"
+#include "strbuf.h"
 
 static int do_generic_cmd(const char *me, char *arg)
 {
@@ -7,20 +9,38 @@ static int do_generic_cmd(const char *me, char *arg)
 
        if (!arg || !(arg = sq_dequote(arg)))
                die("bad argument");
+       if (prefixcmp(me, "git-"))
+               die("bad command");
 
-       my_argv[0] = me;
+       my_argv[0] = me + 4;
        my_argv[1] = arg;
        my_argv[2] = NULL;
 
-       return execvp(me, (char**) my_argv);
+       return execv_git_cmd(my_argv);
 }
 
+static int do_cvs_cmd(const char *me, char *arg)
+{
+       const char *cvsserver_argv[3] = {
+               "cvsserver", "server", NULL
+       };
+
+       if (!arg || strcmp(arg, "server"))
+               die("git-cvsserver only handles server: %s", arg);
+
+       setup_path(NULL);
+
+       return execv_git_cmd(cvsserver_argv);
+}
+
+
 static struct commands {
        const char *name;
        int (*exec)(const char *me, char *arg);
 } cmd_list[] = {
        { "git-receive-pack", do_generic_cmd },
        { "git-upload-pack", do_generic_cmd },
+       { "cvs", do_cvs_cmd },
        { NULL },
 };
 
@@ -29,8 +49,10 @@ int main(int argc, char **argv)
        char *prog;
        struct commands *cmd;
 
+       if (argc == 2 && !strcmp(argv[1], "cvs server"))
+               argv--;
        /* We want to see "-c cmd args", and nothing else */
-       if (argc != 3 || strcmp(argv[1], "-c"))
+       else if (argc != 3 || strcmp(argv[1], "-c"))
                die("What do you think I am? A shell?");
 
        prog = argv[2];