remote-hg: only update necessary revisions
[gitweb.git] / log-tree.c
index 670beaebf9b6aaacd3b50c92ff2f1ee8e1c84759..1946e9ce8d88b73f134490760f76e00b63f1be69 100644 (file)
@@ -9,6 +9,7 @@
 #include "string-list.h"
 #include "color.h"
 #include "gpg-interface.h"
+#include "sequencer.h"
 
 struct decoration name_decoration = { "object names" };
 
@@ -174,119 +175,52 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
        }
 }
 
-void show_decorations(struct rev_info *opt, struct commit *commit)
+/*
+ * The caller makes sure there is no funny color before
+ * calling. format_decorations makes sure the same after return.
+ */
+void format_decorations(struct strbuf *sb,
+                       const struct commit *commit,
+                       int use_color)
 {
        const char *prefix;
        struct name_decoration *decoration;
        const char *color_commit =
-               diff_get_color_opt(&opt->diffopt, DIFF_COMMIT);
+               diff_get_color(use_color, DIFF_COMMIT);
        const char *color_reset =
-               decorate_get_color_opt(&opt->diffopt, DECORATION_NONE);
+               decorate_get_color(use_color, DECORATION_NONE);
 
-       if (opt->show_source && commit->util)
-               printf("\t%s", (char *) commit->util);
-       if (!opt->show_decorations)
-               return;
        decoration = lookup_decoration(&name_decoration, &commit->object);
        if (!decoration)
                return;
        prefix = " (";
        while (decoration) {
-               printf("%s", prefix);
-               fputs(decorate_get_color_opt(&opt->diffopt, decoration->type),
-                     stdout);
+               strbuf_addstr(sb, color_commit);
+               strbuf_addstr(sb, prefix);
+               strbuf_addstr(sb, decorate_get_color(use_color, decoration->type));
                if (decoration->type == DECORATION_REF_TAG)
-                       fputs("tag: ", stdout);
-               printf("%s", decoration->name);
-               fputs(color_reset, stdout);
-               fputs(color_commit, stdout);
+                       strbuf_addstr(sb, "tag: ");
+               strbuf_addstr(sb, decoration->name);
+               strbuf_addstr(sb, color_reset);
                prefix = ", ";
                decoration = decoration->next;
        }
-       putchar(')');
-}
-
-/*
- * Search for "^[-A-Za-z]+: [^@]+@" pattern. It usually matches
- * Signed-off-by: and Acked-by: lines.
- */
-static int detect_any_signoff(char *letter, int size)
-{
-       char *cp;
-       int seen_colon = 0;
-       int seen_at = 0;
-       int seen_name = 0;
-       int seen_head = 0;
-
-       cp = letter + size;
-       while (letter <= --cp && *cp == '\n')
-               continue;
-
-       while (letter <= cp) {
-               char ch = *cp--;
-               if (ch == '\n')
-                       break;
-
-               if (!seen_at) {
-                       if (ch == '@')
-                               seen_at = 1;
-                       continue;
-               }
-               if (!seen_colon) {
-                       if (ch == '@')
-                               return 0;
-                       else if (ch == ':')
-                               seen_colon = 1;
-                       else
-                               seen_name = 1;
-                       continue;
-               }
-               if (('A' <= ch && ch <= 'Z') ||
-                   ('a' <= ch && ch <= 'z') ||
-                   ch == '-') {
-                       seen_head = 1;
-                       continue;
-               }
-               /* no empty last line doesn't match */
-               return 0;
-       }
-       return seen_head && seen_name;
+       strbuf_addstr(sb, color_commit);
+       strbuf_addch(sb, ')');
+       strbuf_addstr(sb, color_reset);
 }
 
-static void append_signoff(struct strbuf *sb, const char *signoff)
+void show_decorations(struct rev_info *opt, struct commit *commit)
 {
-       static const char signed_off_by[] = "Signed-off-by: ";
-       size_t signoff_len = strlen(signoff);
-       int has_signoff = 0;
-       char *cp;
-
-       cp = sb->buf;
+       struct strbuf sb = STRBUF_INIT;
 
-       /* First see if we already have the sign-off by the signer */
-       while ((cp = strstr(cp, signed_off_by))) {
-
-               has_signoff = 1;
-
-               cp += strlen(signed_off_by);
-               if (cp + signoff_len >= sb->buf + sb->len)
-                       break;
-               if (strncmp(cp, signoff, signoff_len))
-                       continue;
-               if (!isspace(cp[signoff_len]))
-                       continue;
-               /* we already have him */
+       if (opt->show_source && commit->util)
+               printf("\t%s", (char *) commit->util);
+       if (!opt->show_decorations)
                return;
-       }
-
-       if (!has_signoff)
-               has_signoff = detect_any_signoff(sb->buf, sb->len);
-
-       if (!has_signoff)
-               strbuf_addch(sb, '\n');
-
-       strbuf_addstr(sb, signed_off_by);
-       strbuf_add(sb, signoff, signoff_len);
-       strbuf_addch(sb, '\n');
+       format_decorations(&sb, commit, opt->diffopt.use_color);
+       fputs(sb.buf, stdout);
+       strbuf_release(&sb);
 }
 
 static unsigned int digits_in_number(unsigned int number)
@@ -308,6 +242,8 @@ void fmt_output_subject(struct strbuf *filename,
        int start_len = filename->len;
        int max_len = start_len + FORMAT_PATCH_NAME_MAX - (strlen(suffix) + 1);
 
+       if (0 < info->reroll_count)
+               strbuf_addf(filename, "v%d-", info->reroll_count);
        strbuf_addf(filename, "%04d-%s", nr, subject);
 
        if (max_len < filename->len)
@@ -442,7 +378,7 @@ static void show_signature(struct rev_info *opt, struct commit *commit)
 
        status = verify_signed_buffer(payload.buf, payload.len,
                                      signature.buf, signature.len,
-                                     &gpg_output);
+                                     &gpg_output, NULL);
        if (status && !gpg_output.len)
                strbuf_addstr(&gpg_output, "No signature\n");
 
@@ -506,20 +442,17 @@ static void show_one_mergetag(struct rev_info *opt,
        gpg_message_offset = verify_message.len;
 
        payload_size = parse_signature(extra->value, extra->len);
-       if ((extra->len <= payload_size) ||
-           (verify_signed_buffer(extra->value, payload_size,
-                                 extra->value + payload_size,
-                                 extra->len - payload_size,
-                                 &verify_message) &&
-            verify_message.len <= gpg_message_offset)) {
-               strbuf_addstr(&verify_message, "No signature\n");
-               status = -1;
-       }
-       else if (strstr(verify_message.buf + gpg_message_offset,
-                       ": Good signature from "))
-               status = 0;
-       else
-               status = -1;
+       status = -1;
+       if (extra->len > payload_size)
+               if (verify_signed_buffer(extra->value, payload_size,
+                                        extra->value + payload_size,
+                                        extra->len - payload_size,
+                                        &verify_message, NULL)) {
+                       if (verify_message.len <= gpg_message_offset)
+                               strbuf_addstr(&verify_message, "No signature\n");
+                       else
+                               status = 0;
+               }
 
        show_sig_lines(opt, status, verify_message.buf);
        strbuf_release(&verify_message);
@@ -548,7 +481,6 @@ void show_log(struct rev_info *opt)
        struct pretty_print_context ctx = {0};
 
        opt->loginfo = NULL;
-       ctx.show_notes = opt->show_notes;
        if (!opt->verbose_header) {
                graph_show_commit(opt->graph);
 
@@ -624,8 +556,8 @@ void show_log(struct rev_info *opt)
                        printf(" (from %s)",
                               find_unique_abbrev(parent->object.sha1,
                                                  abbrev_commit));
+               fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), stdout);
                show_decorations(opt, commit);
-               printf("%s", diff_get_color_opt(&opt->diffopt, DIFF_RESET));
                if (opt->commit_format == CMIT_FMT_ONELINE) {
                        putchar(' ');
                } else {
@@ -656,11 +588,25 @@ void show_log(struct rev_info *opt)
        if (!commit->buffer)
                return;
 
+       if (opt->show_notes) {
+               int raw;
+               struct strbuf notebuf = STRBUF_INIT;
+
+               raw = (opt->commit_format == CMIT_FMT_USERFORMAT);
+               format_display_notes(commit->object.sha1, &notebuf,
+                                    get_log_output_encoding(), raw);
+               ctx.notes_message = notebuf.len
+                       ? strbuf_detach(&notebuf, NULL)
+                       : xcalloc(1, 1);
+       }
+
        /*
         * And then the pretty-printed message itself
         */
-       if (ctx.need_8bit_cte >= 0)
-               ctx.need_8bit_cte = has_non_ascii(opt->add_signoff);
+       if (ctx.need_8bit_cte >= 0 && opt->add_signoff)
+               ctx.need_8bit_cte =
+                       has_non_ascii(fmt_name(getenv("GIT_COMMITTER_NAME"),
+                                              getenv("GIT_COMMITTER_EMAIL")));
        ctx.date_mode = opt->date_mode;
        ctx.date_mode_explicit = opt->date_mode_explicit;
        ctx.abbrev = opt->diffopt.abbrev;
@@ -668,10 +614,22 @@ void show_log(struct rev_info *opt)
        ctx.preserve_subject = opt->preserve_subject;
        ctx.reflog_info = opt->reflog_info;
        ctx.fmt = opt->commit_format;
+       ctx.mailmap = opt->mailmap;
+       ctx.color = opt->diffopt.use_color;
        pretty_print_commit(&ctx, commit, &msgbuf);
 
        if (opt->add_signoff)
-               append_signoff(&msgbuf, opt->add_signoff);
+               append_signoff(&msgbuf, 0, APPEND_SIGNOFF_DEDUP);
+
+       if ((ctx.fmt != CMIT_FMT_USERFORMAT) &&
+           ctx.notes_message && *ctx.notes_message) {
+               if (ctx.fmt == CMIT_FMT_EMAIL) {
+                       strbuf_addstr(&msgbuf, "---\n");
+                       opt->shown_dashes = 1;
+               }
+               strbuf_addstr(&msgbuf, ctx.notes_message);
+       }
+
        if (opt->show_log_size) {
                printf("log size %i\n", (int)msgbuf.len);
                graph_show_oneline(opt->graph);
@@ -697,10 +655,12 @@ void show_log(struct rev_info *opt)
        }
 
        strbuf_release(&msgbuf);
+       free(ctx.notes_message);
 }
 
 int log_tree_diff_flush(struct rev_info *opt)
 {
+       opt->shown_dashes = 0;
        diffcore_std(&opt->diffopt);
 
        if (diff_queue_is_empty()) {
@@ -712,15 +672,16 @@ int log_tree_diff_flush(struct rev_info *opt)
        }
 
        if (opt->loginfo && !opt->no_commit_id) {
-               /* When showing a verbose header (i.e. log message),
-                * and not in --pretty=oneline format, we would want
-                * an extra newline between the end of log and the
-                * output for readability.
-                */
                show_log(opt);
                if ((opt->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT) &&
                    opt->verbose_header &&
                    opt->commit_format != CMIT_FMT_ONELINE) {
+                       /*
+                        * When showing a verbose header (i.e. log message),
+                        * and not in --pretty=oneline format, we would want
+                        * an extra newline between the end of log and the
+                        * diff/diffstat output for readability.
+                        */
                        int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
                        if (opt->diffopt.output_prefix) {
                                struct strbuf *msg = NULL;
@@ -728,9 +689,20 @@ int log_tree_diff_flush(struct rev_info *opt)
                                        opt->diffopt.output_prefix_data);
                                fwrite(msg->buf, msg->len, 1, stdout);
                        }
-                       if ((pch & opt->diffopt.output_format) == pch) {
+
+                       /*
+                        * We may have shown three-dashes line early
+                        * between notes and the log message, in which
+                        * case we only want a blank line after the
+                        * notes without (an extra) three-dashes line.
+                        * Otherwise, we show the three-dashes line if
+                        * we are showing the patch with diffstat, but
+                        * in that case, there is no extra blank line
+                        * after the three-dashes line.
+                        */
+                       if (!opt->shown_dashes &&
+                           (pch & opt->diffopt.output_format) == pch)
                                printf("---");
-                       }
                        putchar('\n');
                }
        }
@@ -753,11 +725,14 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
 {
        int showed_log;
        struct commit_list *parents;
-       unsigned const char *sha1 = commit->object.sha1;
+       unsigned const char *sha1;
 
        if (!opt->diff && !DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS))
                return 0;
 
+       parse_commit(commit);
+       sha1 = commit->tree->object.sha1;
+
        /* Root commit? */
        parents = commit->parents;
        if (!parents) {
@@ -780,7 +755,9 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
                         * parent, showing summary diff of the others
                         * we merged _in_.
                         */
-                       diff_tree_sha1(parents->item->object.sha1, sha1, "", &opt->diffopt);
+                       parse_commit(parents->item);
+                       diff_tree_sha1(parents->item->tree->object.sha1,
+                                      sha1, "", &opt->diffopt);
                        log_tree_diff_flush(opt);
                        return !opt->loginfo;
                }
@@ -793,7 +770,9 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
        for (;;) {
                struct commit *parent = parents->item;
 
-               diff_tree_sha1(parent->object.sha1, sha1, "", &opt->diffopt);
+               parse_commit(parent);
+               diff_tree_sha1(parent->tree->object.sha1,
+                              sha1, "", &opt->diffopt);
                log_tree_diff_flush(opt);
 
                showed_log |= !opt->loginfo;