1 files changed, 33 insertions, 38 deletions

diff --git a/git.c b/git.c
index 8788b32ccd..2025f77d01 100644
--- a/git.c
+++ b/git.c
@@ -4,52 +4,22 @@
 #include "help.h"
 #include "quote.h"
 #include "run-command.h"
+#include "commit.h"
 
 const char git_usage_string[] =
-	"git [--version] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n"
+	"git [--version] [--help] [-c name=value]\n"
+	"           [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n"
 	"           [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]\n"
 	"           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]\n"
-	"           [-c name=value] [--help]\n"
 	"           <command> [<args>]";
 
 const char git_more_info_string[] =
-	N_("See 'git help <command>' for more information on a specific command.");
+	N_("'git help -a' and 'git help -g' lists available subcommands and some\n"
+	   "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;
-struct pager_config {
-	const char *cmd;
-	int want;
-	char *value;
-};
-
-static int pager_command_config(const char *var, const char *value, void *data)
-{
-	struct pager_config *c = data;
-	if (!prefixcmp(var, "pager.") && !strcmp(var + 6, c->cmd)) {
-		int b = git_config_maybe_bool(var, value);
-		if (b >= 0)
-			c->want = b;
-		else {
-			c->want = 1;
-			c->value = xstrdup(value);
-		}
-	}
-	return 0;
-}
-
-/* returns 0 for "no pager", 1 for "use pager", and -1 for "not specified" */
-int check_pager_config(const char *cmd)
-{
-	struct pager_config c;
-	c.cmd = cmd;
-	c.want = -1;
-	c.value = NULL;
-	git_config(pager_command_config, &c);
-	if (c.value)
-		pager_program = c.value;
-	return c.want;
-}
 
 static void commit_pager_choice(void) {
 	switch (use_pager) {
@@ -158,6 +128,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
 			static char git_dir[PATH_MAX+1];
 			is_bare_repository_cfg = 1;
 			setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 0);
+			setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1);
 			if (envchanged)
 				*envchanged = 1;
 		} else if (!strcmp(cmd, "-c")) {
@@ -168,6 +139,20 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
 			git_config_push_parameter((*argv)[1]);
 			(*argv)++;
 			(*argc)--;
+		} else if (!strcmp(cmd, "--literal-pathspecs")) {
+			setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "1", 1);
+			if (envchanged)
+				*envchanged = 1;
+		} else if (!strcmp(cmd, "--no-literal-pathspecs")) {
+			setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1);
+			if (envchanged)
+				*envchanged = 1;
+		} else if (!strcmp(cmd, "--shallow-file")) {
+			(*argv)++;
+			(*argc)--;
+			set_alternate_shallow_file((*argv)[0]);
+			if (envchanged)
+				*envchanged = 1;
 		} else {
 			fprintf(stderr, "Unknown option: %s\n", cmd);
 			usage(git_usage_string);
@@ -338,6 +323,8 @@ static void handle_internal_command(int argc, const char **argv)
 		{ "bundle", cmd_bundle, RUN_SETUP_GENTLY },
 		{ "cat-file", cmd_cat_file, RUN_SETUP },
 		{ "check-attr", cmd_check_attr, RUN_SETUP },
+		{ "check-ignore", cmd_check_ignore, RUN_SETUP | NEED_WORK_TREE },
+		{ "check-mailmap", cmd_check_mailmap, RUN_SETUP },
 		{ "check-ref-format", cmd_check_ref_format },
 		{ "checkout", cmd_checkout, RUN_SETUP | NEED_WORK_TREE },
 		{ "checkout-index", cmd_checkout_index,
@@ -528,8 +515,9 @@ static int run_argv(int *argcp, const char ***argv)
 }
 
 
-int main(int argc, const char **argv)
+int main(int argc, char **av)
 {
+	const char **argv = (const char **) av;
 	const char *cmd;
 
 	startup_info = &git_startup_info;
@@ -538,6 +526,13 @@ int main(int argc, const char **argv)
 	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();
+
 	git_setup_gettext();
 
 	/*
@@ -569,7 +564,7 @@ int main(int argc, const char **argv)
 		commit_pager_choice();
 		printf("usage: %s\n\n", git_usage_string);
 		list_common_cmds_help();
-		printf("\n%s\n", git_more_info_string);
+		printf("\n%s\n", _(git_more_info_string));
 		exit(1);
 	}
 	cmd = argv[0];