[PATCH 1/3] git-help: add -i|--info option to display info page.
"git help --info XXX" will now call "info git-XXX".
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
help.c | 35 +++++++++++++++++++++++++++--------
1 files changed, 27 insertions(+), 8 deletions(-)
diff --git a/help.c b/help.c
index 37a9c25..0f1cb71 100644
--- a/help.c
+++ b/help.c
@@ -239,24 +239,32 @@ void list_common_cmds_help(void)
}
}
-static void show_man_page(const char *git_cmd)
+static const char *cmd_to_page(const char *git_cmd)
{
- const char *page;
-
if (!prefixcmp(git_cmd, "git"))
- page = git_cmd;
+ return git_cmd;
else {
int page_len = strlen(git_cmd) + 4;
char *p = xmalloc(page_len + 1);
strcpy(p, "git-");
strcpy(p + 4, git_cmd);
p[page_len] = 0;
- page = p;
+ return p;
}
+}
+static void show_man_page(const char *git_cmd)
+{
+ const char *page = cmd_to_page(git_cmd);
execlp("man", "man", page, NULL);
}
+static void show_info_page(const char *git_cmd)
+{
+ const char *page = cmd_to_page(git_cmd);
+ execlp("info", "info", page, NULL);
+}
+
void help_unknown_cmd(const char *cmd)
{
fprintf(stderr, "git: '%s' is not a git-command. See 'git --help'.\n", cmd);
@@ -269,10 +277,8 @@ int cmd_version(int argc, const char **argv, const char *prefix)
return 0;
}
-int cmd_help(int argc, const char **argv, const char *prefix)
+static void check_help_cmd(const char *help_cmd)
{
- const char *help_cmd = argc > 1 ? argv[1] : NULL;
-
if (!help_cmd) {
printf("usage: %s\n\n", git_usage_string);
list_common_cmds_help();
@@ -284,6 +290,19 @@ int cmd_help(int argc, const char **argv, const char *prefix)
list_commands();
exit(0);
}
+}
+
+int cmd_help(int argc, const char **argv, const char *prefix)
+{
+ const char *help_cmd = argc > 1 ? argv[1] : NULL;
+ check_help_cmd(help_cmd);
+
+ if (!strcmp(help_cmd, "--info") || !strcmp(help_cmd, "-i")) {
+ help_cmd = argc > 2 ? argv[2] : NULL;
+ check_help_cmd(help_cmd);
+
+ show_info_page(help_cmd);
+ }
else
show_man_page(help_cmd);
--
1.5.3.6.1993.g154f-dirty
Christian Couder <chriscool@tuxfamily.org>