add_packed_ref(): teach function to overwrite existing refs

diff --git a/config.c b/config.c
index fffda653e359379b5df26aaf847b026700a88d82..bb4d735701928d7f648c33ab371c04e3b7af12ad 100644 (file)
--- a/config.c
+++ b/config.c
@@ -135,7 +135,7 @@ static int handle_path_include(const char *path, struct config_include_data *inc
        if (!path)
                return config_error_nonbool("include.path");
 
-       expanded = expand_user_path(path);
+       expanded = expand_user_path(path, 0);
        if (!expanded)
                return error("could not expand include path '%s'", path);
        path = expanded;
@@ -177,7 +177,7 @@ static int prepare_include_condition_pattern(struct strbuf *pat)
        char *expanded;
        int prefix = 0;
 
-       expanded = expand_user_path(pat->buf);
+       expanded = expand_user_path(pat->buf, 1);
        if (expanded) {
                strbuf_reset(pat);
                strbuf_addstr(pat, expanded);
@@ -191,7 +191,7 @@ static int prepare_include_condition_pattern(struct strbuf *pat)
                        return error(_("relative config include "
                                       "conditionals must come from files"));
 
-               strbuf_add_absolute_path(&path, cf->path);
+               strbuf_realpath(&path, cf->path, 1);
                slash = find_last_dir_sep(path.buf);
                if (!slash)
                        die("BUG: how is this possible?");
@@ -222,7 +222,7 @@ static int include_by_gitdir(const struct config_options *opts,
        else
                goto done;
 
-       strbuf_add_absolute_path(&text, git_dir);
+       strbuf_realpath(&text, git_dir, 1);
        strbuf_add(&pattern, cond, cond_len);
        prefix = prepare_include_condition_pattern(&pattern);
 
@@ -844,6 +844,15 @@ int git_parse_ulong(const char *value, unsigned long *ret)
        return 1;
 }
 
+static int git_parse_ssize_t(const char *value, ssize_t *ret)
+{
+       intmax_t tmp;
+       if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t)))
+               return 0;
+       *ret = tmp;
+       return 1;
+}
+
 NORETURN
 static void die_bad_number(const char *name, const char *value)
 {
@@ -902,6 +911,14 @@ unsigned long git_config_ulong(const char *name, const char *value)
        return ret;
 }
 
+ssize_t git_config_ssize_t(const char *name, const char *value)
+{
+       ssize_t ret;
+       if (!git_parse_ssize_t(value, &ret))
+               die_bad_number(name, value);
+       return ret;
+}
+
 int git_parse_maybe_bool(const char *value)
 {
        if (!value)
@@ -958,7 +975,7 @@ int git_config_pathname(const char **dest, const char *var, const char *value)
 {
        if (!value)
                return config_error_nonbool(var);
-       *dest = expand_user_path(value);
+       *dest = expand_user_path(value, 0);
        if (!*dest)
                die(_("failed to expand user dir in: '%s'"), value);
        return 0;
@@ -1509,7 +1526,7 @@ static int do_git_config_sequence(const struct config_options *opts,
 {
        int ret = 0;
        char *xdg_config = xdg_config_home("config");
-       char *user_config = expand_user_path("~/.gitconfig");
+       char *user_config = expand_user_path("~/.gitconfig", 0);
        char *repo_config;
 
        if (opts->git_dir)
@@ -1948,7 +1965,7 @@ int git_config_get_expiry(const char *key, const char **output)
        if (ret)
                return ret;
        if (strcmp(*output, "now")) {
-               unsigned long now = approxidate("now");
+               timestamp_t now = approxidate("now");
                if (approxidate(*output) >= now)
                        git_die_config(key, _("Invalid %s: '%s'"), key, *output);
        }