send-email: respect in-reply-to regardless of threading

diff --git a/combine-diff.c b/combine-diff.c
index 588c58bc55dfe78998d40a4dcce2a7b6ea6f7f5a..aa9d79ea0bf011ea45ef629ef713e6c977781431 100644 (file)
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -84,6 +84,7 @@ struct sline {
        /* bit 0 up to (N-1) are on if the parent has this line (i.e.
         * we did not change it).
         * bit N is used for "interesting" lines, including context.
+        * bit (N+1) is used for "do not show deletion before this".
         */
        unsigned long flag;
        unsigned long *p_lno;
@@ -308,6 +309,7 @@ static int give_context(struct sline *sline, unsigned long cnt, int num_parent)
 {
        unsigned long all_mask = (1UL<<num_parent) - 1;
        unsigned long mark = (1UL<<num_parent);
+       unsigned long no_pre_delete = (2UL<<num_parent);
        unsigned long i;
 
        /* Two groups of interesting lines may have a short gap of
@@ -329,7 +331,7 @@ static int give_context(struct sline *sline, unsigned long cnt, int num_parent)
 
                /* Paint a few lines before the first interesting line. */
                while (j < i)
-                       sline[j++].flag |= mark;
+                       sline[j++].flag |= mark | no_pre_delete;
 
        again:
                /* we know up to i is to be included.  where does the
@@ -498,10 +500,23 @@ static int hunk_comment_line(const char *bol)
        return (isalpha(ch) || ch == '_' || ch == '$');
 }
 
+static void show_line_to_eol(const char *line, int len, const char *reset)
+{
+       int saw_cr_at_eol = 0;
+       if (len < 0)
+               len = strlen(line);
+       saw_cr_at_eol = (len && line[len-1] == '\r');
+
+       printf("%.*s%s%s\n", len - saw_cr_at_eol, line,
+              reset,
+              saw_cr_at_eol ? "\r" : "");
+}
+
 static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
                       int use_color)
 {
        unsigned long mark = (1UL<<num_parent);
+       unsigned long no_pre_delete = (2UL<<num_parent);
        int i;
        unsigned long lno = 0;
        const char *c_frag = diff_get_color(use_color, DIFF_FRAGINFO);
@@ -581,7 +596,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
                        int j;
                        unsigned long p_mask;
                        sl = &sline[lno++];
-                       ll = sl->lost_head;
+                       ll = (sl->flag & no_pre_delete) ? NULL : sl->lost_head;
                        while (ll) {
                                fputs(c_old, stdout);
                                for (j = 0; j < num_parent; j++) {
@@ -590,7 +605,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
                                        else
                                                putchar(' ');
                                }
-                               printf("%s%s\n", ll->line, c_reset);
+                               show_line_to_eol(ll->line, -1, c_reset);
                                ll = ll->next;
                        }
                        if (cnt < lno)
@@ -614,7 +629,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
                                        putchar(' ');
                                p_mask <<= 1;
                        }
-                       printf("%.*s%s\n", sl->len, sl->bol, c_reset);
+                       show_line_to_eol(sl->bol, sl->len, c_reset);
                }
        }
 }
@@ -724,6 +739,18 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
                                die("early EOF '%s'", elem->path);
 
                        result[len] = 0;
+
+                       /* If not a fake symlink, apply filters, e.g. autocrlf */
+                       if (is_file) {
+                               struct strbuf buf;
+
+                               strbuf_init(&buf, 0);
+                               if (convert_to_git(elem->path, result, len, &buf, safe_crlf)) {
+                                       free(result);
+                                       result = strbuf_detach(&buf, &len);
+                                       result_size = len;
+                               }
+                       }
                }
                else {
                deleted_file: