fix portability issues with $ in double quotes

[git.git] / help.c

diff --git a/help.c b/help.c
index fd51b8e8ef748a146676de6192e0fb9170ed8836..9da97d7462040d3935e7eaa95b1167357b38a943 100644 (file)
--- a/help.c
+++ b/help.c
@@ -126,7 +126,7 @@ static int is_executable(const char *name)
            !S_ISREG(st.st_mode))
                return 0;
 
-#ifdef __MINGW32__
+#ifdef WIN32
 {      /* cannot trust the executable bit, peek into the file instead */
        char buf[3] = { 0 };
        int n;
@@ -297,6 +297,9 @@ static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old)
        old->names = NULL;
 }
 
+/* An empirically derived magic number */
+#define SIMILAR_ENOUGH(x) ((x) < 6)
+
 const char *help_unknown_cmd(const char *cmd)
 {
        int i, n, best_similarity = 0;
@@ -331,7 +334,7 @@ const char *help_unknown_cmd(const char *cmd)
        n = 1;
        while (n < main_cmds.cnt && best_similarity == main_cmds.names[n]->len)
                ++n;
-       if (autocorrect && n == 1) {
+       if (autocorrect && n == 1 && SIMILAR_ENOUGH(best_similarity)) {
                const char *assumed = main_cmds.names[0]->name;
                main_cmds.names[0] = NULL;
                clean_cmdnames(&main_cmds);
@@ -349,7 +352,7 @@ const char *help_unknown_cmd(const char *cmd)
 
        fprintf(stderr, "git: '%s' is not a git-command. See 'git --help'.\n", cmd);
 
-       if (best_similarity < 6) {
+       if (SIMILAR_ENOUGH(best_similarity)) {
                fprintf(stderr, "\nDid you mean %s?\n",
                        n < 2 ? "this": "one of these");