remote: add promisor and partial clone config to the doc
[gitweb.git] / git.c
diff --git a/git.c b/git.c
index 08b0dbdca9aef7bf8297557523ee4db3c03b0233..c2eec470c956c597aef77ff7d3632994986db00f 100644 (file)
--- a/git.c
+++ b/git.c
@@ -63,6 +63,13 @@ static int list_cmds(const char *spec)
 {
        struct string_list list = STRING_LIST_INIT_DUP;
        int i;
+       int nongit;
+
+       /*
+       * Set up the repository so we can pick up any repo-level config (like
+       * completion.commands).
+       */
+       setup_git_directory_gently(&nongit);
 
        while (*spec) {
                const char *sep = strchrnul(spec, ',');
@@ -148,16 +155,20 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                                git_set_exec_path(cmd + 1);
                        else {
                                puts(git_exec_path());
+                               trace2_cmd_name("_query_");
                                exit(0);
                        }
                } else if (!strcmp(cmd, "--html-path")) {
                        puts(system_path(GIT_HTML_PATH));
+                       trace2_cmd_name("_query_");
                        exit(0);
                } else if (!strcmp(cmd, "--man-path")) {
                        puts(system_path(GIT_MAN_PATH));
+                       trace2_cmd_name("_query_");
                        exit(0);
                } else if (!strcmp(cmd, "--info-path")) {
                        puts(system_path(GIT_INFO_PATH));
+                       trace2_cmd_name("_query_");
                        exit(0);
                } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
                        use_pager = 1;
@@ -286,6 +297,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                        (*argv)++;
                        (*argc)--;
                } else if (skip_prefix(cmd, "--list-cmds=", &cmd)) {
+                       trace2_cmd_name("_query_");
                        if (!strcmp(cmd, "parseopt")) {
                                struct string_list list = STRING_LIST_INIT_DUP;
                                int i;
@@ -333,9 +345,14 @@ static int handle_alias(int *argcp, const char ***argv)
                        commit_pager_choice();
 
                        child.use_shell = 1;
+                       child.trace2_child_class = "shell_alias";
                        argv_array_push(&child.args, alias_string + 1);
                        argv_array_pushv(&child.args, (*argv) + 1);
 
+                       trace2_cmd_alias(alias_command, child.args.argv);
+                       trace2_cmd_list_config();
+                       trace2_cmd_name("_run_shell_alias_");
+
                        ret = run_command(&child);
                        if (ret >= 0)   /* normal exit */
                                exit(ret);
@@ -370,6 +387,9 @@ static int handle_alias(int *argcp, const char ***argv)
                /* insert after command name */
                memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
 
+               trace2_cmd_alias(alias_command, new_argv);
+               trace2_cmd_list_config();
+
                *argv = new_argv;
                *argcp += count - 1;
 
@@ -418,6 +438,8 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
                setup_work_tree();
 
        trace_argv_printf(argv, "trace: built-in: git");
+       trace2_cmd_name(p->cmd);
+       trace2_cmd_list_config();
 
        validate_cache_entries(the_repository->index);
        status = p->fn(argc, argv, prefix);
@@ -477,7 +499,7 @@ static struct cmd_struct commands[] = {
        { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
        { "diff-index", cmd_diff_index, RUN_SETUP | NO_PARSEOPT },
        { "diff-tree", cmd_diff_tree, RUN_SETUP | NO_PARSEOPT },
-       { "difftool", cmd_difftool, RUN_SETUP | NEED_WORK_TREE },
+       { "difftool", cmd_difftool, RUN_SETUP_GENTLY },
        { "fast-export", cmd_fast_export, RUN_SETUP },
        { "fetch", cmd_fetch, RUN_SETUP },
        { "fetch-pack", cmd_fetch_pack, RUN_SETUP | NO_PARSEOPT },
@@ -549,13 +571,18 @@ static struct cmd_struct commands[] = {
        { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
        { "rm", cmd_rm, RUN_SETUP },
        { "send-pack", cmd_send_pack, RUN_SETUP },
-       { "serve", cmd_serve, RUN_SETUP },
        { "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER },
        { "show", cmd_show, RUN_SETUP },
        { "show-branch", cmd_show_branch, RUN_SETUP },
        { "show-index", cmd_show_index },
        { "show-ref", cmd_show_ref, RUN_SETUP },
        { "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE },
+       /*
+        * NEEDSWORK: Until the builtin stash is thoroughly robust and no
+        * longer needs redirection to the stash shell script this is kept as
+        * is, then should be changed to RUN_SETUP | NEED_WORK_TREE
+        */
+       { "stash", cmd_stash },
        { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE },
        { "stripspace", cmd_stripspace },
        { "submodule--helper", cmd_submodule__helper, RUN_SETUP | SUPPORT_SUPER_PREFIX | NO_PARSEOPT },
@@ -667,7 +694,14 @@ static void execv_dashed_external(const char **argv)
        cmd.clean_on_exit = 1;
        cmd.wait_after_clean = 1;
        cmd.silent_exec_failure = 1;
+       cmd.trace2_child_class = "dashed";
+
+       trace2_cmd_name("_run_dashed_");
 
+       /*
+        * The code in run_command() logs trace2 child_start/child_exit
+        * events, so we do not need to report exec/exec_result events here.
+        */
        trace_argv_printf(cmd.args.argv, "trace: exec:");
 
        /*
@@ -677,6 +711,12 @@ static void execv_dashed_external(const char **argv)
         * the program.
         */
        status = run_command(&cmd);
+
+       /*
+        * If the child process ran and we are now going to exit, emit a
+        * generic string as our trace2 command verb to indicate that we
+        * launched a dashed command.
+        */
        if (status >= 0)
                exit(status);
        else if (errno != ENOENT)
@@ -702,6 +742,43 @@ static int run_argv(int *argcp, const char ***argv)
                if (!done_alias)
                        handle_builtin(*argcp, *argv);
 
+#if 0 // TODO In GFW, need to amend a7924b655e940b06cb547c235d6bed9767929673 to include trace2_ and _tr2 lines.
+               else if (get_builtin(**argv)) {
+                       struct argv_array args = ARGV_ARRAY_INIT;
+                       int i;
+
+                       /*
+                        * The current process is committed to launching a
+                        * child process to run the command named in (**argv)
+                        * and exiting.  Log a generic string as the trace2
+                        * command verb to indicate this.  Note that the child
+                        * process will log the actual verb when it runs.
+                        */
+                       trace2_cmd_name("_run_git_alias_");
+
+                       if (get_super_prefix())
+                               die("%s doesn't support --super-prefix", **argv);
+
+                       commit_pager_choice();
+
+                       argv_array_push(&args, "git");
+                       for (i = 0; i < *argcp; i++)
+                               argv_array_push(&args, (*argv)[i]);
+
+                       trace_argv_printf(args.argv, "trace: exec:");
+
+                       /*
+                        * if we fail because the command is not found, it is
+                        * OK to return. Otherwise, we just pass along the status code.
+                        */
+                       i = run_command_v_opt_tr2(args.argv, RUN_SILENT_EXEC_FAILURE |
+                                                 RUN_CLEAN_ON_EXIT, "git_alias");
+                       if (i >= 0 || errno != ENOENT)
+                               exit(i);
+                       die("could not execute builtin %s", **argv);
+               }
+#endif // a7924b655e940b06cb547c235d6bed9767929673
+
                /* .. then try the external ones */
                execv_dashed_external(*argv);