Git 2.19.1

[thirdparty/git.git] / range-diff.c

diff --git a/range-diff.c b/range-diff.c
index 6d75563f466d55666c060edda5c120fed5f8460c..b6b9abac266f3a6a2abdfcdd815f80b7da930854 100644 (file)
--- a/range-diff.c
+++ b/range-diff.c
@@ -258,47 +258,70 @@ static void get_correspondences(struct string_list *a, struct string_list *b,
        free(b2a);
 }
 
-static void output_pair_header(struct strbuf *buf,
+static void output_pair_header(struct diff_options *diffopt,
+                              int patch_no_width,
+                              struct strbuf *buf,
                               struct strbuf *dashes,
                               struct patch_util *a_util,
                               struct patch_util *b_util)
 {
        struct object_id *oid = a_util ? &a_util->oid : &b_util->oid;
        struct commit *commit;
+       char status;
+       const char *color_reset = diff_get_color_opt(diffopt, DIFF_RESET);
+       const char *color_old = diff_get_color_opt(diffopt, DIFF_FILE_OLD);
+       const char *color_new = diff_get_color_opt(diffopt, DIFF_FILE_NEW);
+       const char *color_commit = diff_get_color_opt(diffopt, DIFF_COMMIT);
+       const char *color;
 
        if (!dashes->len)
                strbuf_addchars(dashes, '-',
                                strlen(find_unique_abbrev(oid,
                                                          DEFAULT_ABBREV)));
 
+       if (!b_util) {
+               color = color_old;
+               status = '<';
+       } else if (!a_util) {
+               color = color_new;
+               status = '>';
+       } else if (strcmp(a_util->patch, b_util->patch)) {
+               color = color_commit;
+               status = '!';
+       } else {
+               color = color_commit;
+               status = '=';
+       }
+
        strbuf_reset(buf);
+       strbuf_addstr(buf, status == '!' ? color_old : color);
        if (!a_util)
-               strbuf_addf(buf, "-:  %s ", dashes->buf);
+               strbuf_addf(buf, "%*s:  %s ", patch_no_width, "-", dashes->buf);
        else
-               strbuf_addf(buf, "%d:  %s ", a_util->i + 1,
+               strbuf_addf(buf, "%*d:  %s ", patch_no_width, a_util->i + 1,
                            find_unique_abbrev(&a_util->oid, DEFAULT_ABBREV));
 
-       if (!a_util)
-               strbuf_addch(buf, '>');
-       else if (!b_util)
-               strbuf_addch(buf, '<');
-       else if (strcmp(a_util->patch, b_util->patch))
-               strbuf_addch(buf, '!');
-       else
-               strbuf_addch(buf, '=');
+       if (status == '!')
+               strbuf_addf(buf, "%s%s", color_reset, color);
+       strbuf_addch(buf, status);
+       if (status == '!')
+               strbuf_addf(buf, "%s%s", color_reset, color_new);
 
        if (!b_util)
-               strbuf_addf(buf, " -:  %s", dashes->buf);
+               strbuf_addf(buf, " %*s:  %s", patch_no_width, "-", dashes->buf);
        else
-               strbuf_addf(buf, " %d:  %s", b_util->i + 1,
+               strbuf_addf(buf, " %*d:  %s", patch_no_width, b_util->i + 1,
                            find_unique_abbrev(&b_util->oid, DEFAULT_ABBREV));
 
        commit = lookup_commit_reference(the_repository, oid);
        if (commit) {
+               if (status == '!')
+                       strbuf_addf(buf, "%s%s", color_reset, color);
+
                strbuf_addch(buf, ' ');
                pp_commit_easy(CMIT_FMT_ONELINE, commit, buf);
        }
-       strbuf_addch(buf, '\n');
+       strbuf_addf(buf, "%s\n", color_reset);
 
        fwrite(buf->buf, buf->len, 1, stdout);
 }
@@ -335,6 +358,7 @@ static void output(struct string_list *a, struct string_list *b,
                   struct diff_options *diffopt)
 {
        struct strbuf buf = STRBUF_INIT, dashes = STRBUF_INIT;
+       int patch_no_width = decimal_width(1 + (a->nr > b->nr ? a->nr : b->nr));
        int i = 0, j = 0;
 
        /*
@@ -356,21 +380,24 @@ static void output(struct string_list *a, struct string_list *b,
 
                /* Show unmatched LHS commit whose predecessors were shown. */
                if (i < a->nr && a_util->matching < 0) {
-                       output_pair_header(&buf, &dashes, a_util, NULL);
+                       output_pair_header(diffopt, patch_no_width,
+                                          &buf, &dashes, a_util, NULL);
                        i++;
                        continue;
                }
 
                /* Show unmatched RHS commits. */
                while (j < b->nr && b_util->matching < 0) {
-                       output_pair_header(&buf, &dashes, NULL, b_util);
+                       output_pair_header(diffopt, patch_no_width,
+                                          &buf, &dashes, NULL, b_util);
                        b_util = ++j < b->nr ? b->items[j].util : NULL;
                }
 
                /* Show matching LHS/RHS pair. */
                if (j < b->nr) {
                        a_util = a->items[b_util->matching].util;
-                       output_pair_header(&buf, &dashes, a_util, b_util);
+                       output_pair_header(diffopt, patch_no_width,
+                                          &buf, &dashes, a_util, b_util);
                        if (!(diffopt->output_format & DIFF_FORMAT_NO_OUTPUT))
                                patch_diff(a->items[b_util->matching].string,
                                           b->items[j].string, diffopt);