setup_git_env: avoid blind fall-back to ".git"

diff --git a/diff.h b/diff.h
index 7883729edf10ae2888ebc672f62f6015dee21550..01afc70bd572448ed25cdc869b071994e948c546 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -83,7 +83,6 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
 #define DIFF_OPT_DIRSTAT_BY_FILE     (1 << 20)
 #define DIFF_OPT_ALLOW_TEXTCONV      (1 << 21)
 #define DIFF_OPT_DIFF_FROM_CONTENTS  (1 << 22)
-#define DIFF_OPT_SUBMODULE_LOG       (1 << 23)
 #define DIFF_OPT_DIRTY_SUBMODULES    (1 << 24)
 #define DIFF_OPT_IGNORE_UNTRACKED_IN_SUBMODULES (1 << 25)
 #define DIFF_OPT_IGNORE_DIRTY_SUBMODULES (1 << 26)
@@ -110,11 +109,19 @@ enum diff_words_type {
        DIFF_WORDS_COLOR
 };
 
+enum diff_submodule_format {
+       DIFF_SUBMODULE_SHORT = 0,
+       DIFF_SUBMODULE_LOG,
+       DIFF_SUBMODULE_INLINE_DIFF
+};
+
 struct diff_options {
        const char *orderfile;
        const char *pickaxe;
        const char *single_follow;
        const char *a_prefix, *b_prefix;
+       const char *line_prefix;
+       size_t line_prefix_length;
        unsigned flags;
        unsigned touched_flags;
 
@@ -155,6 +162,7 @@ struct diff_options {
        int stat_count;
        const char *word_regex;
        enum diff_words_type word_diff;
+       enum diff_submodule_format submodule_format;
 
        /* this is set by diffcore for DIFF_FORMAT_PATCH */
        int found_changes;
@@ -174,7 +182,6 @@ struct diff_options {
        diff_format_fn_t format_callback;
        void *format_callback_data;
        diff_prefix_fn_t output_prefix;
-       int output_prefix_length;
        void *output_prefix_data;
 
        int diff_path_counter;
@@ -266,6 +273,7 @@ extern int parse_long_opt(const char *opt, const char **argv,
                         const char **optarg);
 
 extern int git_diff_basic_config(const char *var, const char *value, void *cb);
+extern int git_diff_heuristic_config(const char *var, const char *value, void *cb);
 extern void init_diff_ui_defaults(void);
 extern int git_diff_ui_config(const char *var, const char *value, void *cb);
 extern void diff_setup(struct diff_options *);
@@ -332,7 +340,11 @@ extern void diff_warn_rename_limit(const char *varname, int needed, int degraded
 #define DIFF_STATUS_FILTER_AON         '*'
 #define DIFF_STATUS_FILTER_BROKEN      'B'
 
-extern const char *diff_unique_abbrev(const unsigned char *, int);
+/*
+ * This is different from find_unique_abbrev() in that
+ * it stuffs the result with dots for alignment.
+ */
+extern const char *diff_aligned_abbrev(const struct object_id *sha1, int);
 
 /* do not report anything on removed paths */
 #define DIFF_SILENT_ON_REMOVED 01