Remove deprecated options and cleanup option parsing

[tig] / tig.c

diff --git a/tig.c b/tig.c
index 1f4c620..39d63e7 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -453,64 +453,22 @@ static char opt_git_dir[SIZEOF_STR]       = "";
 static signed char opt_is_inside_work_tree     = -1; /* set to TRUE or FALSE */
 static char opt_editor[SIZEOF_STR]     = "";
 
-enum option_type {
-       OPT_NONE,
-       OPT_INT,
-};
-
-static bool
-check_option(char *opt, char short_name, char *name, enum option_type type, ...)
-{
-       va_list args;
-       char *value = "";
-       int *number;
-
-       if (opt[0] != '-')
-               return FALSE;
-
-       if (opt[1] == '-') {
-               int namelen = strlen(name);
-
-               opt += 2;
-
-               if (strncmp(opt, name, namelen))
-                       return FALSE;
-
-               if (opt[namelen] == '=')
-                       value = opt + namelen + 1;
-
-       } else {
-               if (!short_name || opt[1] != short_name)
-                       return FALSE;
-               value = opt + 2;
-       }
-
-       va_start(args, type);
-       if (type == OPT_INT) {
-               number = va_arg(args, int *);
-               if (isdigit(*value))
-                       *number = atoi(value);
-       }
-       va_end(args);
-
-       return TRUE;
-}
-
-/* Returns the index of log or diff command or -1 to exit. */
 static bool
 parse_options(int argc, char *argv[])
 {
-       char *altargv[1024];
-       int altargc = 0;
+       size_t buf_size;
        char *subcommand;
+       bool seen_dashdash = FALSE;
        int i;
 
        if (argc <= 1)
                return TRUE;
 
        subcommand = argv[1];
-       if (!strcmp(subcommand, "status")) {
+       if (!strcmp(subcommand, "status") || !strcmp(subcommand, "-S")) {
                opt_request = REQ_VIEW_STATUS;
+               if (!strcmp(subcommand, "-S"))
+                       warn("`-S' has been deprecated; use `tig status' instead");
                if (argc > 2)
                        warn("ignoring arguments after `%s'", subcommand);
                return TRUE;
@@ -541,83 +499,44 @@ parse_options(int argc, char *argv[])
                subcommand = NULL;
        }
 
+       if (!subcommand)
+               /* XXX: This is vulnerable to the user overriding
+                * options required for the main view parser. */
+               string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary --parents");
+       else
+               string_format(opt_cmd, "git %s", subcommand);
+
+       buf_size = strlen(opt_cmd);
+
        for (i = 1 + !!subcommand; i < argc; i++) {
                char *opt = argv[i];
 
-               if (opt[0] && opt[0] != '-')
-                       break;
+               if (seen_dashdash || !strcmp(opt, "--")) {
+                       seen_dashdash = TRUE;
 
-               if (!strcmp(opt, "--")) {
-                       i++;
-                       break;
-               }
-
-               if (check_option(opt, 'v', "version", OPT_NONE)) {
+               } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
                        printf("tig version %s\n", TIG_VERSION);
                        return FALSE;
-               }
 
-               if (check_option(opt, 'h', "help", OPT_NONE)) {
+               } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
                        printf(usage);
                        return FALSE;
                }
 
-               if (!strcmp(opt, "-S")) {
-                       warn("`%s' has been deprecated; use `tig status' instead", opt);
-                       opt_request = REQ_VIEW_STATUS;
-                       continue;
-               }
-
-               if (!strcmp(opt, "-l")) {
-                       opt_request = REQ_VIEW_LOG;
-               } else if (!strcmp(opt, "-d")) {
-                       opt_request = REQ_VIEW_DIFF;
-               } else if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) {
-                       opt_line_number = TRUE;
-               } else if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) {
-                       opt_tab_size = MIN(opt_tab_size, TABSIZE);
-               } else {
-                       if (altargc >= ARRAY_SIZE(altargv))
-                               die("maximum number of arguments exceeded");
-                       altargv[altargc++] = opt;
-                       continue;
-               }
-
-               warn("`%s' has been deprecated", opt);
+               opt_cmd[buf_size++] = ' ';
+               buf_size = sq_quote(opt_cmd, buf_size, opt);
+               if (buf_size >= sizeof(opt_cmd))
+                       die("command too long");
        }
 
        if (!isatty(STDIN_FILENO)) {
                opt_request = REQ_VIEW_PAGER;
                opt_pipe = stdin;
-
-       } else if (i < argc || altargc > 0) {
-               int alti = 0;
-               size_t buf_size;
-
-               if (opt_request == REQ_VIEW_MAIN)
-                       /* XXX: This is vulnerable to the user overriding
-                        * options required for the main view parser. */
-                       string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary --parents");
-               else
-                       string_format(opt_cmd, "git %s", subcommand);
-               buf_size = strlen(opt_cmd);
-
-               while (buf_size < sizeof(opt_cmd) && alti < altargc) {
-                       opt_cmd[buf_size++] = ' ';
-                       buf_size = sq_quote(opt_cmd, buf_size, altargv[alti++]);
-               }
-
-               while (buf_size < sizeof(opt_cmd) && i < argc) {
-                       opt_cmd[buf_size++] = ' ';
-                       buf_size = sq_quote(opt_cmd, buf_size, argv[i++]);
-               }
-
-               if (buf_size >= sizeof(opt_cmd))
-                       die("command too long");
-
-               opt_cmd[buf_size] = 0;
+               buf_size = 0;
        }
 
+       opt_cmd[buf_size] = 0;
+
        return TRUE;
 }