mergetool-lib: make the three-way diff the default for vim/gvim

diff --git a/help.c b/help.c
index 6c46d8b4949c4ad70ca6abc7edb4f7926c889a5a..7f4928e45954465d0401964289952aec4bd59e2a 100644 (file)
--- a/help.c
+++ b/help.c
@@ -126,8 +126,8 @@ static int is_executable(const char *name)
            !S_ISREG(st.st_mode))
                return 0;
 
-#ifdef __MINGW32__
-       /* cannot trust the executable bit, peek into the file instead */
+#ifdef WIN32
+{      /* cannot trust the executable bit, peek into the file instead */
        char buf[3] = { 0 };
        int n;
        int fd = open(name, O_RDONLY);
@@ -140,6 +140,7 @@ static int is_executable(const char *name)
                                st.st_mode |= S_IXUSR;
                close(fd);
        }
+}
 #endif
        return st.st_mode & S_IXUSR;
 }
@@ -296,13 +297,16 @@ 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;
        struct cmdnames main_cmds, other_cmds;
 
        memset(&main_cmds, 0, sizeof(main_cmds));
-       memset(&other_cmds, 0, sizeof(main_cmds));
+       memset(&other_cmds, 0, sizeof(other_cmds));
        memset(&aliases, 0, sizeof(aliases));
 
        git_config(git_unknown_cmd_config, NULL);
@@ -330,11 +334,11 @@ 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);
-               fprintf(stderr, "WARNING: You called a Git program named '%s', "
+               fprintf(stderr, "WARNING: You called a Git command named '%s', "
                        "which does not exist.\n"
                        "Continuing under the assumption that you meant '%s'\n",
                        cmd, assumed);
@@ -346,9 +350,9 @@ const char *help_unknown_cmd(const char *cmd)
                return assumed;
        }
 
-       fprintf(stderr, "git: '%s' is not a git-command. See 'git --help'.\n", 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");