#include "refs.h"
#include "string-list.h"
#include "color.h"
+#include "gpg-interface.h"
struct decoration name_decoration = { "object names" };
}
}
+static void show_children(struct rev_info *opt, struct commit *commit, int abbrev)
+{
+ struct commit_list *p = lookup_decoration(&opt->children, &commit->object);
+ for ( ; p; p = p->next) {
+ printf(" %s", find_unique_abbrev(p->item->object.sha1, abbrev));
+ }
+}
+
void show_decorations(struct rev_info *opt, struct commit *commit)
{
const char *prefix;
*extra_headers_p = extra_headers;
}
+static void show_sig_lines(struct rev_info *opt, int status, const char *bol)
+{
+ const char *color, *reset, *eol;
+
+ color = diff_get_color_opt(&opt->diffopt,
+ status ? DIFF_WHITESPACE : DIFF_FRAGINFO);
+ reset = diff_get_color_opt(&opt->diffopt, DIFF_RESET);
+ while (*bol) {
+ eol = strchrnul(bol, '\n');
+ printf("%s%.*s%s%s", color, (int)(eol - bol), bol, reset,
+ *eol ? "\n" : "");
+ bol = (*eol) ? (eol + 1) : eol;
+ }
+}
+
+static void show_signature(struct rev_info *opt, struct commit *commit)
+{
+ struct strbuf payload = STRBUF_INIT;
+ struct strbuf signature = STRBUF_INIT;
+ struct strbuf gpg_output = STRBUF_INIT;
+ int status;
+
+ if (parse_signed_commit(commit->object.sha1, &payload, &signature) <= 0)
+ goto out;
+
+ status = verify_signed_buffer(payload.buf, payload.len,
+ signature.buf, signature.len,
+ &gpg_output);
+ if (status && !gpg_output.len)
+ strbuf_addstr(&gpg_output, "No signature\n");
+
+ show_sig_lines(opt, status, gpg_output.buf);
+
+ out:
+ strbuf_release(&gpg_output);
+ strbuf_release(&payload);
+ strbuf_release(&signature);
+}
+
+static int which_parent(const unsigned char *sha1, const struct commit *commit)
+{
+ int nth;
+ const struct commit_list *parent;
+
+ for (nth = 0, parent = commit->parents; parent; parent = parent->next) {
+ if (!hashcmp(parent->item->object.sha1, sha1))
+ return nth;
+ nth++;
+ }
+ return -1;
+}
+
+static int is_common_merge(const struct commit *commit)
+{
+ return (commit->parents
+ && commit->parents->next
+ && !commit->parents->next->next);
+}
+
+static void show_one_mergetag(struct rev_info *opt,
+ struct commit_extra_header *extra,
+ struct commit *commit)
+{
+ unsigned char sha1[20];
+ struct tag *tag;
+ struct strbuf verify_message;
+ int status, nth;
+ size_t payload_size, gpg_message_offset;
+
+ hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), sha1);
+ tag = lookup_tag(sha1);
+ if (!tag)
+ return; /* error message already given */
+
+ strbuf_init(&verify_message, 256);
+ if (parse_tag_buffer(tag, extra->value, extra->len))
+ strbuf_addstr(&verify_message, "malformed mergetag\n");
+ else if (is_common_merge(commit) &&
+ !hashcmp(tag->tagged->sha1,
+ commit->parents->next->item->object.sha1))
+ strbuf_addf(&verify_message,
+ "merged tag '%s'\n", tag->tag);
+ else if ((nth = which_parent(tag->tagged->sha1, commit)) < 0)
+ strbuf_addf(&verify_message, "tag %s names a non-parent %s\n",
+ tag->tag, tag->tagged->sha1);
+ else
+ strbuf_addf(&verify_message,
+ "parent #%d, tagged '%s'\n", nth + 1, tag->tag);
+ 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;
+
+ show_sig_lines(opt, status, verify_message.buf);
+ strbuf_release(&verify_message);
+}
+
+static void show_mergetag(struct rev_info *opt, struct commit *commit)
+{
+ struct commit_extra_header *extra, *to_free;
+
+ to_free = read_commit_extra_headers(commit, NULL);
+ for (extra = to_free; extra; extra = extra->next) {
+ if (strcmp(extra->key, "mergetag"))
+ continue; /* not a merge tag */
+ show_one_mergetag(opt, extra, commit);
+ }
+ free_commit_extra_headers(to_free);
+}
+
void show_log(struct rev_info *opt)
{
struct strbuf msgbuf = STRBUF_INIT;
fputs(find_unique_abbrev(commit->object.sha1, abbrev_commit), stdout);
if (opt->print_parents)
show_parents(commit, abbrev_commit);
+ if (opt->children.name)
+ show_children(opt, commit, abbrev_commit);
show_decorations(opt, commit);
if (opt->graph && !graph_is_commit_finished(opt->graph)) {
putchar('\n');
stdout);
if (opt->print_parents)
show_parents(commit, abbrev_commit);
+ if (opt->children.name)
+ show_children(opt, commit, abbrev_commit);
if (parent)
printf(" (from %s)",
find_unique_abbrev(parent->object.sha1,
}
}
+ if (opt->show_signature) {
+ show_signature(opt, commit);
+ show_mergetag(opt, commit);
+ }
+
if (!commit->buffer)
return;
static int do_diff_combined(struct rev_info *opt, struct commit *commit)
{
- unsigned const char *sha1 = commit->object.sha1;
-
- diff_tree_combined_merge(sha1, opt->dense_combined_merges, opt);
+ diff_tree_combined_merge(commit, opt->dense_combined_merges, opt);
return !opt->loginfo;
}