http: respect protocol.*.allow=user for http-alternates

diff --git a/git.c b/git.c
index 6c64c9430e8e5ae3130b0c97e90bcbad29625b1e..0f1937fd0c23da7c316540b8f9a6b05746011506 100644 (file)
--- a/git.c
+++ b/git.c
@@ -15,7 +15,6 @@ const char git_more_info_string[] =
           "concept guides. See 'git help <command>' or 'git help <concept>'\n"
           "to read about a specific subcommand or concept.");
 
-static struct startup_info git_startup_info;
 static int use_pager = -1;
 static char *orig_cwd;
 static const char *env_names[] = {
@@ -247,20 +246,16 @@ static int handle_alias(int *argcp, const char ***argv)
        alias_string = alias_lookup(alias_command);
        if (alias_string) {
                if (alias_string[0] == '!') {
-                       const char **alias_argv;
-                       int argc = *argcp, i;
+                       struct child_process child = CHILD_PROCESS_INIT;
 
                        commit_pager_choice();
                        restore_env(1);
 
-                       /* build alias_argv */
-                       alias_argv = xmalloc(sizeof(*alias_argv) * (argc + 1));
-                       alias_argv[0] = alias_string + 1;
-                       for (i = 1; i < argc; ++i)
-                               alias_argv[i] = (*argv)[i];
-                       alias_argv[argc] = NULL;
+                       child.use_shell = 1;
+                       argv_array_push(&child.args, alias_string + 1);
+                       argv_array_pushv(&child.args, (*argv) + 1);
 
-                       ret = run_command_v_opt(alias_argv, RUN_USING_SHELL);
+                       ret = run_command(&child);
                        if (ret >= 0)   /* normal exit */
                                exit(ret);
 
@@ -513,21 +508,25 @@ int is_builtin(const char *s)
        return !!get_builtin(s);
 }
 
+#ifdef STRIP_EXTENSION
+static void strip_extension(const char **argv)
+{
+       size_t len;
+
+       if (strip_suffix(argv[0], STRIP_EXTENSION, &len))
+               argv[0] = xmemdupz(argv[0], len);
+}
+#else
+#define strip_extension(cmd)
+#endif
+
 static void handle_builtin(int argc, const char **argv)
 {
-       const char *cmd = argv[0];
-       int i;
-       static const char ext[] = STRIP_EXTENSION;
+       const char *cmd;
        struct cmd_struct *builtin;
 
-       if (sizeof(ext) > 1) {
-               i = strlen(argv[0]) - strlen(ext);
-               if (i > 0 && !strcmp(argv[0] + i, ext)) {
-                       char *argv0 = xstrdup(argv[0]);
-                       argv[0] = cmd = argv0;
-                       argv0[i] = '\0';
-               }
-       }
+       strip_extension(argv);
+       cmd = argv[0];
 
        /* Turn "git cmd --help" into "git help cmd" */
        if (argc > 1 && !strcmp(argv[1], "--help")) {
@@ -610,50 +609,15 @@ static int run_argv(int *argcp, const char ***argv)
        return done_alias;
 }
 
-/*
- * Many parts of Git have subprograms communicate via pipe, expect the
- * upstream of a pipe to die with SIGPIPE when the downstream of a
- * pipe does not need to read all that is written.  Some third-party
- * programs that ignore or block SIGPIPE for their own reason forget
- * to restore SIGPIPE handling to the default before spawning Git and
- * break this carefully orchestrated machinery.
- *
- * Restore the way SIGPIPE is handled to default, which is what we
- * expect.
- */
-static void restore_sigpipe_to_default(void)
-{
-       sigset_t unblock;
-
-       sigemptyset(&unblock);
-       sigaddset(&unblock, SIGPIPE);
-       sigprocmask(SIG_UNBLOCK, &unblock, NULL);
-       signal(SIGPIPE, SIG_DFL);
-}
-
-int main(int argc, char **av)
+int cmd_main(int argc, const char **argv)
 {
-       const char **argv = (const char **) av;
        const char *cmd;
        int done_help = 0;
 
-       startup_info = &git_startup_info;
-
-       cmd = git_extract_argv0_path(argv[0]);
+       cmd = argv[0];
        if (!cmd)
                cmd = "git-help";
 
-       /*
-        * Always open file descriptors 0/1/2 to avoid clobbering files
-        * in die().  It also avoids messing up when the pipes are dup'ed
-        * onto stdin/stdout/stderr in the child processes we spawn.
-        */
-       sanitize_stdfds();
-
-       restore_sigpipe_to_default();
-
-       git_setup_gettext();
-
        trace_command_performance(argv);
 
        /*