* Builtin help command
*/
#include "cache.h"
+#include "config.h"
#include "builtin.h"
#include "exec_cmd.h"
#include "parse-options.h"
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"),
path = "emacsclient";
strbuf_addf(&man_page, "(woman \"%s\")", page);
execlp(path, "emacsclient", "-e", man_page.buf, (char *)NULL);
- warning(_("failed to exec '%s': %s"), path, strerror(errno));
+ warning_errno(_("failed to exec '%s'"), path);
}
}
/* It's simpler to launch konqueror using kfmclient. */
if (path) {
- const char *file = strrchr(path, '/');
- if (file && !strcmp(file + 1, "konqueror")) {
- char *new = xstrdup(path);
- char *dest = strrchr(new, '/');
-
- /* strlen("konqueror") == strlen("kfmclient") */
- strcpy(dest + 1, "kfmclient");
- path = new;
- }
- if (file)
- filename = file;
+ size_t len;
+ if (strip_suffix(path, "/konqueror", &len))
+ path = xstrfmt("%.*s/kfmclient", (int)len, path);
+ filename = basename((char *)path);
} else
path = "kfmclient";
strbuf_addf(&man_page, "man:%s(1)", page);
execlp(path, filename, "newTab", man_page.buf, (char *)NULL);
- warning(_("failed to exec '%s': %s"), path, strerror(errno));
+ warning_errno(_("failed to exec '%s'"), path);
}
}
if (!path)
path = "man";
execlp(path, "man", page, (char *)NULL);
- warning(_("failed to exec '%s': %s"), path, strerror(errno));
+ warning_errno(_("failed to exec '%s'"), path);
}
static void exec_man_cmd(const char *cmd, const char *page)
struct strbuf shell_cmd = STRBUF_INIT;
strbuf_addf(&shell_cmd, "%s %s", cmd, page);
execl(SHELL_PATH, SHELL_PATH, "-c", shell_cmd.buf, (char *)NULL);
- warning(_("failed to exec '%s': %s"), cmd, strerror(errno));
+ warning(_("failed to exec '%s'"), cmd);
}
static void add_man_viewer(const char *name)
{
struct man_viewer_list **p = &man_viewer_list;
- size_t len = strlen(name);
while (*p)
p = &((*p)->next);
- *p = xcalloc(1, (sizeof(**p) + len + 1));
- strncpy((*p)->name, name, len);
+ FLEX_ALLOC_STR(*p, name, name);
}
static int supported_man_viewer(const char *name, size_t len)
size_t len,
const char *value)
{
- struct man_viewer_info_list *new = xcalloc(1, sizeof(*new) + len + 1);
-
- strncpy(new->name, name, len);
+ struct man_viewer_info_list *new;
+ FLEX_ALLOC_MEM(new, name, name, len);
new->info = xstrdup(value);
new->next = man_viewer_info_list;
man_viewer_info_list = new;
is_in_cmdlist(&other_cmds, s);
}
-static const char *prepend(const char *prefix, const char *cmd)
-{
- size_t pre_len = strlen(prefix);
- size_t cmd_len = strlen(cmd);
- char *p = xmalloc(pre_len + cmd_len + 1);
- memcpy(p, prefix, pre_len);
- strcpy(p + pre_len, cmd);
- return p;
-}
-
static const char *cmd_to_page(const char *git_cmd)
{
if (!git_cmd)
else if (starts_with(git_cmd, "git"))
return git_cmd;
else if (is_git_command(git_cmd))
- return prepend("git-", git_cmd);
+ return xstrfmt("git-%s", git_cmd);
else
- return prepend("git", git_cmd);
+ return xstrfmt("git%s", git_cmd);
}
static void setup_man_path(void)
free(to_free);
}
-/*
- * If open_html is not defined in a platform-specific way (see for
- * example compat/mingw.h), we use the script web--browse to display
- * HTML.
- */
-#ifndef open_html
static void open_html(const char *path)
{
execl_git_cmd("web--browse", "-c", "help.browser", path, (char *)NULL);
}
-#endif
static void show_html_page(const char *git_cmd)
{
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(_("`git %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,
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: