1 files changed, 27 insertions, 7 deletions

diff --git a/builtin/help.c b/builtin/help.c
index e8f79d7af5..d3c8fc4082 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -2,6 +2,7 @@
  * Builtin help command
  */
 #include "cache.h"
+#include "config.h"
 #include "builtin.h"
 #include "exec_cmd.h"
 #include "parse-options.h"
@@ -37,8 +38,10 @@ static int show_all = 0;
 static int show_guides = 0;
 static unsigned int colopts;
 static enum help_format help_format = HELP_FORMAT_NONE;
+static int exclude_guides;
 static struct option builtin_help_options[] = {
 	OPT_BOOL('a', "all", &show_all, N_("print all available commands")),
+	OPT_HIDDEN_BOOL(0, "exclude-guides", &exclude_guides, N_("exclude guides")),
 	OPT_BOOL('g', "guides", &show_guides, N_("print list of useful guides")),
 	OPT_SET_INT('m', "man", &help_format, N_("show man page"), HELP_FORMAT_MAN),
 	OPT_SET_INT('w', "web", &help_format, N_("show manual in web browser"),
@@ -128,6 +131,7 @@ static void exec_woman_emacs(const char *path, const char *page)
 		strbuf_addf(&man_page, "(woman \"%s\")", page);
 		execlp(path, "emacsclient", "-e", man_page.buf, (char *)NULL);
 		warning_errno(_("failed to exec '%s'"), path);
+		strbuf_release(&man_page);
 	}
 }
 
@@ -149,6 +153,7 @@ static void exec_man_konqueror(const char *path, const char *page)
 		strbuf_addf(&man_page, "man:%s(1)", page);
 		execlp(path, filename, "newTab", man_page.buf, (char *)NULL);
 		warning_errno(_("failed to exec '%s'"), path);
+		strbuf_release(&man_page);
 	}
 }
 
@@ -166,6 +171,7 @@ static void exec_man_cmd(const char *cmd, const char *page)
 	strbuf_addf(&shell_cmd, "%s %s", cmd, page);
 	execl(SHELL_PATH, SHELL_PATH, "-c", shell_cmd.buf, (char *)NULL);
 	warning(_("failed to exec '%s'"), cmd);
+	strbuf_release(&shell_cmd);
 }
 
 static void add_man_viewer(const char *name)
@@ -426,10 +432,29 @@ static void list_common_guides_help(void)
 	putchar('\n');
 }
 
+static const char *check_git_cmd(const char* cmd)
+{
+	char *alias;
+
+	if (is_git_command(cmd))
+		return cmd;
+
+	alias = alias_lookup(cmd);
+	if (alias) {
+		printf_ln(_("'%s' is aliased to '%s'"), cmd, alias);
+		free(alias);
+		exit(0);
+	}
+
+	if (exclude_guides)
+		return help_unknown_cmd(cmd);
+
+	return cmd;
+}
+
 int cmd_help(int argc, const char **argv, const char *prefix)
 {
 	int nongit;
-	char *alias;
 	enum help_format parsed_help_format;
 
 	argc = parse_options(argc, argv, prefix, builtin_help_options,
@@ -469,12 +494,7 @@ int cmd_help(int argc, const char **argv, const char *prefix)
 	if (help_format == HELP_FORMAT_NONE)
 		help_format = parse_help_format(DEFAULT_HELP_FORMAT);
 
-	alias = alias_lookup(argv[0]);
-	if (alias && !is_git_command(argv[0])) {
-		printf_ln(_("`git %s' is aliased to `%s'"), argv[0], alias);
-		free(alias);
-		return 0;
-	}
+	argv[0] = check_git_cmd(argv[0]);
 
 	switch (help_format) {
 	case HELP_FORMAT_NONE: