X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=log-tree.c;h=8787df5cc647dda24f09b077276cbe0aa054fc47;hb=b8e9a00d40839a76928c54366a1c46ad54d7fd5d;hp=031af88933fe1b21de2da701855b9e9604121d3c;hpb=2ad6ba353aa3815894674a0dee56aa75f8a5fc7b;p=git.git

diff --git a/log-tree.c b/log-tree.c
index 031af8893..8787df5cc 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -12,10 +12,58 @@ static void show_parents(struct commit *commit, int abbrev)
 	}
 }
 
+/*
+ * 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 ch, *cp;
+	int seen_colon = 0;
+	int seen_at = 0;
+	int seen_name = 0;
+	int seen_head = 0;
+
+	cp = letter + size;
+	while (letter <= --cp && (ch = *cp) == '\n')
+		continue;
+
+	while (letter <= cp) {
+		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;
+}
+
 static int append_signoff(char *buf, int buf_sz, int at, const char *signoff)
 {
-	int signoff_len = strlen(signoff);
 	static const char signed_off_by[] = "Signed-off-by: ";
+	int signoff_len = strlen(signoff);
+	int has_signoff = 0;
 	char *cp = buf;
 
 	/* Do we have enough space to add it? */
@@ -23,58 +71,26 @@ static int append_signoff(char *buf, int buf_sz, int at, const char *signoff)
 		return at;
 
 	/* First see if we already have the sign-off by the signer */
-	while (1) {
-		cp = strstr(cp, signed_off_by);
-		if (!cp)
-			break;
+	while ((cp = strstr(cp, signed_off_by))) {
+
+		has_signoff = 1;
+
 		cp += strlen(signed_off_by);
-		if ((cp + signoff_len < buf + at) &&
-		    !strncmp(cp, signoff, signoff_len) &&
-		    isspace(cp[signoff_len]))
-			return at; /* we already have him */
+		if (cp + signoff_len >= buf + at)
+			break;
+		if (strncmp(cp, signoff, signoff_len))
+			continue;
+		if (!isspace(cp[signoff_len]))
+			continue;
+		/* we already have him */
+		return at;
 	}
 
-	/* Does the last line already end with "^[-A-Za-z]+: [^@]+@"?
-	 * If not, add a blank line to separate the message from
-	 * the run of Signed-off-by: and Acked-by: lines.
-	 */
-	{
-		char ch;
-		int seen_colon, seen_at, seen_name, seen_head, not_signoff;
-		seen_colon = 0;
-		seen_at = 0;
-		seen_name = 0;
-		seen_head = 0;
-		not_signoff = 0;
-		cp = buf + at;
-		while (buf <= --cp && (ch = *cp) == '\n')
-			;
-		while (!not_signoff && buf <= cp && (ch = *cp--) != '\n') {
-			if (!seen_at) {
-				if (ch == '@')
-					seen_at = 1;
-				continue;
-			}
-			if (!seen_colon) {
-				if (ch == '@')
-					not_signoff = 1;
-				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;
-			}
-			not_signoff = 1;
-		}
-		if (not_signoff || !seen_head || !seen_name)
-			buf[at++] = '\n';
-	}
+	if (!has_signoff)
+		has_signoff = detect_any_signoff(buf, at);
+
+	if (!has_signoff)
+		buf[at++] = '\n';
 
 	strcpy(buf + at, signed_off_by);
 	at += strlen(signed_off_by);
@@ -194,7 +210,9 @@ void show_log(struct rev_info *opt, const char *sep)
 	/*
 	 * And then the pretty-printed message itself
 	 */
-	len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header, sizeof(this_header), abbrev, subject, extra_headers);
+	len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header,
+				  sizeof(this_header), abbrev, subject,
+				  extra_headers, opt->relative_date);
 
 	if (opt->add_signoff)
 		len = append_signoff(this_header, sizeof(this_header), len,
@@ -234,26 +252,6 @@ int log_tree_diff_flush(struct rev_info *opt)
 	return 1;
 }
 
-static int diff_root_tree(struct rev_info *opt,
-			  const unsigned char *new, const char *base)
-{
-	int retval;
-	void *tree;
-	struct tree_desc empty, real;
-
-	tree = read_object_with_reference(new, tree_type, &real.size, NULL);
-	if (!tree)
-		die("unable to read root tree (%s)", sha1_to_hex(new));
-	real.buf = tree;
-
-	empty.buf = "";
-	empty.size = 0;
-	retval = diff_tree(&empty, &real, base, &opt->diffopt);
-	free(tree);
-	log_tree_diff_flush(opt);
-	return retval;
-}
-
 static int do_diff_combined(struct rev_info *opt, struct commit *commit)
 {
 	unsigned const char *sha1 = commit->object.sha1;
@@ -279,8 +277,10 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
 	/* Root commit? */
 	parents = commit->parents;
 	if (!parents) {
-		if (opt->show_root_diff)
-			diff_root_tree(opt, sha1, "");
+		if (opt->show_root_diff) {
+			diff_root_tree_sha1(sha1, "", &opt->diffopt);
+			log_tree_diff_flush(opt);
+		}
 		return !opt->loginfo;
 	}