tag: fix output of "tag -n" when errors occur

[git.git] / git.c

diff --git a/git.c b/git.c
index ef598c3e7053b8dd2859f4d582ce2917a804fe42..89721d420a09bfc8eb6a2d4010f86f5685cfd255 100644 (file)
--- a/git.c
+++ b/git.c
@@ -6,7 +6,7 @@
 #include "run-command.h"
 
 const char git_usage_string[] =
-       "git [--version] [--exec-path[=<path>]] [--html-path]\n"
+       "git [--version] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n"
        "           [-p|--paginate|--no-pager] [--no-replace-objects]\n"
        "           [--bare] [--git-dir=<path>] [--work-tree=<path>]\n"
        "           [-c name=value] [--help]\n"
@@ -66,7 +66,7 @@ static void commit_pager_choice(void) {
 
 static int handle_options(const char ***argv, int *argc, int *envchanged)
 {
-       int handled = 0;
+       const char **orig_argv = *argv;
 
        while (*argc > 0) {
                const char *cmd = (*argv)[0];
@@ -95,6 +95,12 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                } else if (!strcmp(cmd, "--html-path")) {
                        puts(system_path(GIT_HTML_PATH));
                        exit(0);
+               } else if (!strcmp(cmd, "--man-path")) {
+                       puts(system_path(GIT_MAN_PATH));
+                       exit(0);
+               } else if (!strcmp(cmd, "--info-path")) {
+                       puts(system_path(GIT_INFO_PATH));
+                       exit(0);
                } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
                        use_pager = 1;
                } else if (!strcmp(cmd, "--no-pager")) {
@@ -116,7 +122,6 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                                *envchanged = 1;
                        (*argv)++;
                        (*argc)--;
-                       handled++;
                } else if (!prefixcmp(cmd, "--git-dir=")) {
                        setenv(GIT_DIR_ENVIRONMENT, cmd + 10, 1);
                        if (envchanged)
@@ -156,9 +161,8 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
 
                (*argv)++;
                (*argc)--;
-               handled++;
        }
-       return handled;
+       return (*argv) - orig_argv;
 }
 
 static int handle_alias(int *argcp, const char ***argv)
@@ -179,6 +183,8 @@ static int handle_alias(int *argcp, const char ***argv)
                if (alias_string[0] == '!') {
                        const char **alias_argv;
                        int argc = *argcp, i;
+                       struct strbuf sb = STRBUF_INIT;
+                       const char *env[2];
 
                        commit_pager_choice();
 
@@ -189,7 +195,13 @@ static int handle_alias(int *argcp, const char ***argv)
                                alias_argv[i] = (*argv)[i];
                        alias_argv[argc] = NULL;
 
-                       ret = run_command_v_opt(alias_argv, RUN_USING_SHELL);
+                       strbuf_addstr(&sb, "GIT_PREFIX=");
+                       if (subdir)
+                               strbuf_addstr(&sb, subdir);
+                       env[0] = sb.buf;
+                       env[1] = NULL;
+                       ret = run_command_v_opt_cd_env(alias_argv, RUN_USING_SHELL, NULL, env);
+                       strbuf_release(&sb);
                        if (ret >= 0)   /* normal exit */
                                exit(ret);