fetch-pack: avoid repeatedly re-scanning pack directory

diff --git a/builtin/help.c b/builtin/help.c
index 43d3c84449a57ec7028acb663d4ab4bea134c97e..efea4f55e173a5ff2d7e1748316d6a94266e915a 100644 (file)
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -12,6 +12,10 @@
 #include "column.h"
 #include "help.h"
 
+#ifndef DEFAULT_HELP_FORMAT
+#define DEFAULT_HELP_FORMAT "man"
+#endif
+
 static struct man_viewer_list {
        struct man_viewer_list *next;
        char name[FLEX_ARRAY];
@@ -30,6 +34,8 @@ enum help_format {
        HELP_FORMAT_WEB
 };
 
+static const char *html_path;
+
 static int show_all = 0;
 static unsigned int colopts;
 static enum help_format help_format = HELP_FORMAT_NONE;
@@ -261,6 +267,12 @@ static int git_help_config(const char *var, const char *value, void *cb)
                help_format = parse_help_format(value);
                return 0;
        }
+       if (!strcmp(var, "help.htmlpath")) {
+               if (!value)
+                       return config_error_nonbool(var);
+               html_path = xstrdup(value);
+               return 0;
+       }
        if (!strcmp(var, "man.viewer")) {
                if (!value)
                        return config_error_nonbool(var);
@@ -383,12 +395,15 @@ static void show_info_page(const char *git_cmd)
 static void get_html_page_path(struct strbuf *page_path, const char *page)
 {
        struct stat st;
-       const char *html_path = system_path(GIT_HTML_PATH);
+       if (!html_path)
+               html_path = system_path(GIT_HTML_PATH);
 
        /* Check that we have a git documentation directory. */
-       if (stat(mkpath("%s/git.html", html_path), &st)
-           || !S_ISREG(st.st_mode))
-               die(_("'%s': not a documentation directory."), html_path);
+       if (!strstr(html_path, "://")) {
+               if (stat(mkpath("%s/git.html", html_path), &st)
+                   || !S_ISREG(st.st_mode))
+                       die("'%s': not a documentation directory.", html_path);
+       }
 
        strbuf_init(page_path, 0);
        strbuf_addf(page_path, "%s/%s.html", html_path, page);
@@ -447,6 +462,8 @@ int cmd_help(int argc, const char **argv, const char *prefix)
 
        if (parsed_help_format != HELP_FORMAT_NONE)
                help_format = parsed_help_format;
+       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])) {