format-patch: allow --range-diff to apply to a lone-patch

diff --git a/diff.c b/diff.c
index ea8ecae0417b76645a706ae21297bf6a134ea3c9..ae131495216a9346d038a21bb2a28b81d52ea605 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -70,6 +70,12 @@ static char diff_colors[][COLOR_MAXLEN] = {
        GIT_COLOR_BOLD_YELLOW,  /* NEW_MOVED ALTERNATIVE */
        GIT_COLOR_FAINT,        /* NEW_MOVED_DIM */
        GIT_COLOR_FAINT_ITALIC, /* NEW_MOVED_ALTERNATIVE_DIM */
+       GIT_COLOR_FAINT,        /* CONTEXT_DIM */
+       GIT_COLOR_FAINT_RED,    /* OLD_DIM */
+       GIT_COLOR_FAINT_GREEN,  /* NEW_DIM */
+       GIT_COLOR_BOLD,         /* CONTEXT_BOLD */
+       GIT_COLOR_BOLD_RED,     /* OLD_BOLD */
+       GIT_COLOR_BOLD_GREEN,   /* NEW_BOLD */
 };
 
 static const char *color_diff_slots[] = {
@@ -89,6 +95,12 @@ static const char *color_diff_slots[] = {
        [DIFF_FILE_NEW_MOVED_ALT]     = "newMovedAlternative",
        [DIFF_FILE_NEW_MOVED_DIM]     = "newMovedDimmed",
        [DIFF_FILE_NEW_MOVED_ALT_DIM] = "newMovedAlternativeDimmed",
+       [DIFF_CONTEXT_DIM]            = "contextDimmed",
+       [DIFF_FILE_OLD_DIM]           = "oldDimmed",
+       [DIFF_FILE_NEW_DIM]           = "newDimmed",
+       [DIFF_CONTEXT_BOLD]           = "contextBold",
+       [DIFF_FILE_OLD_BOLD]          = "oldBold",
+       [DIFF_FILE_NEW_BOLD]          = "newBold",
 };
 
 static NORETURN void die_want_option(const char *option_name)
@@ -1294,11 +1306,13 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 
                        set_sign = set;
                        if (c == '-')
-                               set = diff_get_color_opt(o, DIFF_FILE_OLD);
+                               set = diff_get_color_opt(o, DIFF_FILE_OLD_BOLD);
                        else if (c == '@')
                                set = diff_get_color_opt(o, DIFF_FRAGINFO);
-                       else if (c != '+')
-                               set = diff_get_color_opt(o, DIFF_CONTEXT);
+                       else if (c == '+')
+                               set = diff_get_color_opt(o, DIFF_FILE_NEW_BOLD);
+                       else
+                               set = diff_get_color_opt(o, DIFF_CONTEXT_BOLD);
                        flags &= ~DIFF_SYMBOL_CONTENT_WS_MASK;
                }
                emit_line_ws_markup(o, set, reset, line, len, set_sign, '+',
@@ -1336,11 +1350,13 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 
                        set_sign = set;
                        if (c == '+')
-                               set = diff_get_color_opt(o, DIFF_FILE_NEW);
+                               set = diff_get_color_opt(o, DIFF_FILE_NEW_DIM);
                        else if (c == '@')
                                set = diff_get_color_opt(o, DIFF_FRAGINFO);
-                       else if (c != '-')
-                               set = diff_get_color_opt(o, DIFF_CONTEXT);
+                       else if (c == '-')
+                               set = diff_get_color_opt(o, DIFF_FILE_OLD_DIM);
+                       else
+                               set = diff_get_color_opt(o, DIFF_CONTEXT_DIM);
                }
                emit_line_ws_markup(o, set, reset, line, len, set_sign, '-',
                                    flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);