t7800: readlink may not be available

diff --git a/diff.c b/diff.c
index 6bbf28bff2c8b04281c4a3224dd424990a17a153..f62b7f73d8ad52205b0add37a21fd69911783b25 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -42,7 +42,7 @@ static long diff_algorithm;
 
 static char diff_colors[][COLOR_MAXLEN] = {
        GIT_COLOR_RESET,
-       GIT_COLOR_NORMAL,       /* PLAIN */
+       GIT_COLOR_NORMAL,       /* CONTEXT */
        GIT_COLOR_BOLD,         /* METAINFO */
        GIT_COLOR_CYAN,         /* FRAGINFO */
        GIT_COLOR_RED,          /* OLD */
@@ -54,8 +54,8 @@ static char diff_colors[][COLOR_MAXLEN] = {
 
 static int parse_diff_color_slot(const char *var)
 {
-       if (!strcasecmp(var, "plain"))
-               return DIFF_PLAIN;
+       if (!strcasecmp(var, "context") || !strcasecmp(var, "plain"))
+               return DIFF_CONTEXT;
        if (!strcasecmp(var, "meta"))
                return DIFF_METAINFO;
        if (!strcasecmp(var, "frag"))
@@ -501,7 +501,7 @@ static void emit_add_line(const char *reset,
 static void emit_hunk_header(struct emit_callback *ecbdata,
                             const char *line, int len)
 {
-       const char *plain = diff_get_color(ecbdata->color_diff, DIFF_PLAIN);
+       const char *context = diff_get_color(ecbdata->color_diff, DIFF_CONTEXT);
        const char *frag = diff_get_color(ecbdata->color_diff, DIFF_FRAGINFO);
        const char *func = diff_get_color(ecbdata->color_diff, DIFF_FUNCINFO);
        const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
@@ -518,7 +518,7 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
        if (len < 10 ||
            memcmp(line, atat, 2) ||
            !(ep = memmem(line + 2, len - 2, atat, 2))) {
-               emit_line(ecbdata->opt, plain, reset, line, len);
+               emit_line(ecbdata->opt, context, reset, line, len);
                return;
        }
        ep += 2; /* skip over @@ */
@@ -540,7 +540,7 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
                if (*ep != ' ' && *ep != '\t')
                        break;
        if (ep != cp) {
-               strbuf_addstr(&msgbuf, plain);
+               strbuf_addstr(&msgbuf, context);
                strbuf_add(&msgbuf, cp, ep - cp);
                strbuf_addstr(&msgbuf, reset);
        }
@@ -623,10 +623,10 @@ static void emit_rewrite_lines(struct emit_callback *ecb,
                data += len;
        }
        if (!endp) {
-               const char *plain = diff_get_color(ecb->color_diff,
-                                                  DIFF_PLAIN);
+               const char *context = diff_get_color(ecb->color_diff,
+                                                    DIFF_CONTEXT);
                putc('\n', ecb->opt->file);
-               emit_line_0(ecb->opt, plain, reset, '\\',
+               emit_line_0(ecb->opt, context, reset, '\\',
                            nneof, strlen(nneof));
        }
 }
@@ -1087,7 +1087,7 @@ static void init_diff_words_data(struct emit_callback *ecbdata,
                struct diff_words_style *st = ecbdata->diff_words->style;
                st->old.color = diff_get_color_opt(o, DIFF_FILE_OLD);
                st->new.color = diff_get_color_opt(o, DIFF_FILE_NEW);
-               st->ctx.color = diff_get_color_opt(o, DIFF_PLAIN);
+               st->ctx.color = diff_get_color_opt(o, DIFF_CONTEXT);
        }
 }
 
@@ -1163,7 +1163,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
 {
        struct emit_callback *ecbdata = priv;
        const char *meta = diff_get_color(ecbdata->color_diff, DIFF_METAINFO);
-       const char *plain = diff_get_color(ecbdata->color_diff, DIFF_PLAIN);
+       const char *context = diff_get_color(ecbdata->color_diff, DIFF_CONTEXT);
        const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
        struct diff_options *o = ecbdata->opt;
        const char *line_prefix = diff_line_prefix(o);
@@ -1234,7 +1234,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
                }
                diff_words_flush(ecbdata);
                if (ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN) {
-                       emit_line(ecbdata->opt, plain, reset, line, len);
+                       emit_line(ecbdata->opt, context, reset, line, len);
                        fputs("~\n", ecbdata->opt->file);
                } else {
                        /*
@@ -1246,7 +1246,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
                              line++;
                              len--;
                        }
-                       emit_line(ecbdata->opt, plain, reset, line, len);
+                       emit_line(ecbdata->opt, context, reset, line, len);
                }
                return;
        }
@@ -1254,7 +1254,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
        if (line[0] != '+') {
                const char *color =
                        diff_get_color(ecbdata->color_diff,
-                                      line[0] == '-' ? DIFF_FILE_OLD : DIFF_PLAIN);
+                                      line[0] == '-' ? DIFF_FILE_OLD : DIFF_CONTEXT);
                ecbdata->lno_in_preimage++;
                if (line[0] == ' ')
                        ecbdata->lno_in_postimage++;