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Diffstat (limited to 'pretty.c')
-rw-r--r--pretty.c500
1 files changed, 325 insertions, 175 deletions
diff --git a/pretty.c b/pretty.c
index acbfceb5fe..9e431545d8 100644
--- a/pretty.c
+++ b/pretty.c
@@ -410,10 +410,7 @@ void pp_user_info(const struct pretty_print_context *pp,
const char *what, struct strbuf *sb,
const char *line, const char *encoding)
{
- struct strbuf name;
- struct strbuf mail;
struct ident_split ident;
- int linelen;
char *line_end;
const char *mailbuf, *namebuf;
size_t namelen, maillen;
@@ -422,18 +419,10 @@ void pp_user_info(const struct pretty_print_context *pp,
if (pp->fmt == CMIT_FMT_ONELINE)
return;
- line_end = strchr(line, '\n');
- if (!line_end) {
- line_end = strchr(line, '\0');
- if (!line_end)
- return;
- }
-
- linelen = ++line_end - line;
- if (split_ident_line(&ident, line, linelen))
+ line_end = strchrnul(line, '\n');
+ if (split_ident_line(&ident, line, line_end - line))
return;
-
mailbuf = ident.mail_begin;
maillen = ident.mail_end - ident.mail_begin;
namebuf = ident.name_begin;
@@ -442,43 +431,33 @@ void pp_user_info(const struct pretty_print_context *pp,
if (pp->mailmap)
map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen);
- strbuf_init(&mail, 0);
- strbuf_init(&name, 0);
-
- strbuf_add(&mail, mailbuf, maillen);
- strbuf_add(&name, namebuf, namelen);
-
- namelen = name.len + mail.len + 3; /* ' ' + '<' + '>' */
-
if (pp->fmt == CMIT_FMT_EMAIL) {
strbuf_addstr(sb, "From: ");
- if (needs_rfc2047_encoding(name.buf, name.len, RFC2047_ADDRESS)) {
- add_rfc2047(sb, name.buf, name.len,
+ if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) {
+ add_rfc2047(sb, namebuf, namelen,
encoding, RFC2047_ADDRESS);
max_length = 76; /* per rfc2047 */
- } else if (needs_rfc822_quoting(name.buf, name.len)) {
+ } else if (needs_rfc822_quoting(namebuf, namelen)) {
struct strbuf quoted = STRBUF_INIT;
- add_rfc822_quoted(&quoted, name.buf, name.len);
+ add_rfc822_quoted(&quoted, namebuf, namelen);
strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len,
-6, 1, max_length);
strbuf_release(&quoted);
} else {
- strbuf_add_wrapped_bytes(sb, name.buf, name.len,
+ strbuf_add_wrapped_bytes(sb, namebuf, namelen,
-6, 1, max_length);
}
- if (namelen - name.len + last_line_length(sb) > max_length)
- strbuf_addch(sb, '\n');
- strbuf_addf(sb, " <%s>\n", mail.buf);
+ if (max_length <
+ last_line_length(sb) + strlen(" <") + maillen + strlen(">"))
+ strbuf_addch(sb, '\n');
+ strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf);
} else {
- strbuf_addf(sb, "%s: %.*s%s <%s>\n", what,
- (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0,
- " ", name.buf, mail.buf);
+ strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what,
+ (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ",
+ (int)namelen, namebuf, (int)maillen, mailbuf);
}
- strbuf_release(&mail);
- strbuf_release(&name);
-
switch (pp->fmt) {
case CMIT_FMT_MEDIUM:
strbuf_addf(sb, "Date: %s\n",
@@ -606,6 +585,7 @@ static char *replace_encoding_header(char *buf, const char *encoding)
}
char *logmsg_reencode(const struct commit *commit,
+ char **commit_encoding,
const char *output_encoding)
{
static const char *utf8 = "UTF-8";
@@ -627,9 +607,15 @@ char *logmsg_reencode(const struct commit *commit,
sha1_to_hex(commit->object.sha1), typename(type));
}
- if (!output_encoding || !*output_encoding)
+ if (!output_encoding || !*output_encoding) {
+ if (commit_encoding)
+ *commit_encoding =
+ get_header(commit, msg, "encoding");
return msg;
+ }
encoding = get_header(commit, msg, "encoding");
+ if (commit_encoding)
+ *commit_encoding = encoding;
use_encoding = encoding ? encoding : utf8;
if (same_encoding(use_encoding, output_encoding)) {
/*
@@ -670,7 +656,8 @@ char *logmsg_reencode(const struct commit *commit,
if (out)
out = replace_encoding_header(out, output_encoding);
- free(encoding);
+ if (!commit_encoding)
+ free(encoding);
/*
* If the re-encoding failed, out might be NULL here; in that
* case we just return the commit message verbatim.
@@ -764,26 +751,38 @@ struct chunk {
size_t len;
};
+enum flush_type {
+ no_flush,
+ flush_right,
+ flush_left,
+ flush_left_and_steal,
+ flush_both
+};
+
+enum trunc_type {
+ trunc_none,
+ trunc_left,
+ trunc_middle,
+ trunc_right
+};
+
struct format_commit_context {
const struct commit *commit;
const struct pretty_print_context *pretty_ctx;
unsigned commit_header_parsed:1;
unsigned commit_message_parsed:1;
- unsigned commit_signature_parsed:1;
- struct {
- char *gpg_output;
- char *gpg_status;
- char good_bad;
- char *signer;
- char *key;
- } signature;
+ struct signature_check signature_check;
+ enum flush_type flush_type;
+ enum trunc_type truncate;
char *message;
+ char *commit_encoding;
size_t width, indent1, indent2;
+ int auto_color;
+ int padding;
/* These offsets are relative to the start of the commit message. */
struct chunk author;
struct chunk committer;
- struct chunk encoding;
size_t message_off;
size_t subject_off;
size_t body_off;
@@ -830,9 +829,6 @@ static void parse_commit_header(struct format_commit_context *context)
} else if (!prefixcmp(msg + i, "committer ")) {
context->committer.off = i + 10;
context->committer.len = eol - i - 10;
- } else if (!prefixcmp(msg + i, "encoding ")) {
- context->encoding.off = i + 9;
- context->encoding.len = eol - i - 9;
}
i = eol;
}
@@ -913,23 +909,6 @@ static void parse_commit_message(struct format_commit_context *c)
c->commit_message_parsed = 1;
}
-static void format_decoration(struct strbuf *sb, const struct commit *commit)
-{
- struct name_decoration *d;
- const char *prefix = " (";
-
- load_ref_decorations(DECORATE_SHORT_REFS);
- d = lookup_decoration(&name_decoration, &commit->object);
- while (d) {
- strbuf_addstr(sb, prefix);
- prefix = ", ";
- strbuf_addstr(sb, d->name);
- d = d->next;
- }
- if (prefix[0] == ',')
- strbuf_addch(sb, ')');
-}
-
static void strbuf_wrap(struct strbuf *sb, size_t pos,
size_t width, size_t indent1, size_t indent2)
{
@@ -959,64 +938,6 @@ static void rewrap_message_tail(struct strbuf *sb,
c->indent2 = new_indent2;
}
-static struct {
- char result;
- const char *check;
-} signature_check[] = {
- { 'G', "\n[GNUPG:] GOODSIG " },
- { 'B', "\n[GNUPG:] BADSIG " },
-};
-
-static void parse_signature_lines(struct format_commit_context *ctx)
-{
- const char *buf = ctx->signature.gpg_status;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(signature_check); i++) {
- const char *found = strstr(buf, signature_check[i].check);
- const char *next;
- if (!found)
- continue;
- ctx->signature.good_bad = signature_check[i].result;
- found += strlen(signature_check[i].check);
- ctx->signature.key = xmemdupz(found, 16);
- found += 17;
- next = strchrnul(found, '\n');
- ctx->signature.signer = xmemdupz(found, next - found);
- break;
- }
-}
-
-static void parse_commit_signature(struct format_commit_context *ctx)
-{
- struct strbuf payload = STRBUF_INIT;
- struct strbuf signature = STRBUF_INIT;
- struct strbuf gpg_output = STRBUF_INIT;
- struct strbuf gpg_status = STRBUF_INIT;
- int status;
-
- ctx->commit_signature_parsed = 1;
-
- if (parse_signed_commit(ctx->commit->object.sha1,
- &payload, &signature) <= 0)
- goto out;
- status = verify_signed_buffer(payload.buf, payload.len,
- signature.buf, signature.len,
- &gpg_output, &gpg_status);
- if (status && !gpg_output.len)
- goto out;
- ctx->signature.gpg_output = strbuf_detach(&gpg_output, NULL);
- ctx->signature.gpg_status = strbuf_detach(&gpg_status, NULL);
- parse_signature_lines(ctx);
-
- out:
- strbuf_release(&gpg_status);
- strbuf_release(&gpg_output);
- strbuf_release(&payload);
- strbuf_release(&signature);
-}
-
-
static int format_reflog_person(struct strbuf *sb,
char part,
struct reflog_walk_info *log,
@@ -1034,7 +955,112 @@ static int format_reflog_person(struct strbuf *sb,
return format_person_part(sb, part, ident, strlen(ident), dmode);
}
-static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
+static size_t parse_color(struct strbuf *sb, /* in UTF-8 */
+ const char *placeholder,
+ struct format_commit_context *c)
+{
+ if (placeholder[1] == '(') {
+ const char *begin = placeholder + 2;
+ const char *end = strchr(begin, ')');
+ char color[COLOR_MAXLEN];
+
+ if (!end)
+ return 0;
+ if (!prefixcmp(begin, "auto,")) {
+ if (!want_color(c->pretty_ctx->color))
+ return end - placeholder + 1;
+ begin += 5;
+ }
+ color_parse_mem(begin,
+ end - begin,
+ "--pretty format", color);
+ strbuf_addstr(sb, color);
+ return end - placeholder + 1;
+ }
+ if (!prefixcmp(placeholder + 1, "red")) {
+ strbuf_addstr(sb, GIT_COLOR_RED);
+ return 4;
+ } else if (!prefixcmp(placeholder + 1, "green")) {
+ strbuf_addstr(sb, GIT_COLOR_GREEN);
+ return 6;
+ } else if (!prefixcmp(placeholder + 1, "blue")) {
+ strbuf_addstr(sb, GIT_COLOR_BLUE);
+ return 5;
+ } else if (!prefixcmp(placeholder + 1, "reset")) {
+ strbuf_addstr(sb, GIT_COLOR_RESET);
+ return 6;
+ } else
+ return 0;
+}
+
+static size_t parse_padding_placeholder(struct strbuf *sb,
+ const char *placeholder,
+ struct format_commit_context *c)
+{
+ const char *ch = placeholder;
+ enum flush_type flush_type;
+ int to_column = 0;
+
+ switch (*ch++) {
+ case '<':
+ flush_type = flush_right;
+ break;
+ case '>':
+ if (*ch == '<') {
+ flush_type = flush_both;
+ ch++;
+ } else if (*ch == '>') {
+ flush_type = flush_left_and_steal;
+ ch++;
+ } else
+ flush_type = flush_left;
+ break;
+ default:
+ return 0;
+ }
+
+ /* the next value means "wide enough to that column" */
+ if (*ch == '|') {
+ to_column = 1;
+ ch++;
+ }
+
+ if (*ch == '(') {
+ const char *start = ch + 1;
+ const char *end = start + strcspn(start, ",)");
+ char *next;
+ int width;
+ if (!end || end == start)
+ return 0;
+ width = strtoul(start, &next, 10);
+ if (next == start || width == 0)
+ return 0;
+ c->padding = to_column ? -width : width;
+ c->flush_type = flush_type;
+
+ if (*end == ',') {
+ start = end + 1;
+ end = strchr(start, ')');
+ if (!end || end == start)
+ return 0;
+ if (!prefixcmp(start, "trunc)"))
+ c->truncate = trunc_right;
+ else if (!prefixcmp(start, "ltrunc)"))
+ c->truncate = trunc_left;
+ else if (!prefixcmp(start, "mtrunc)"))
+ c->truncate = trunc_middle;
+ else
+ return 0;
+ } else
+ c->truncate = trunc_none;
+
+ return end - placeholder + 1;
+ }
+ return 0;
+}
+
+static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
+ const char *placeholder,
void *context)
{
struct format_commit_context *c = context;
@@ -1046,38 +1072,20 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
/* these are independent of the commit */
switch (placeholder[0]) {
case 'C':
- if (placeholder[1] == '(') {
- const char *begin = placeholder + 2;
- const char *end = strchr(begin, ')');
- char color[COLOR_MAXLEN];
-
- if (!end)
- return 0;
- if (!prefixcmp(begin, "auto,")) {
- if (!want_color(c->pretty_ctx->color))
- return end - placeholder + 1;
- begin += 5;
- }
- color_parse_mem(begin,
- end - begin,
- "--pretty format", color);
- strbuf_addstr(sb, color);
- return end - placeholder + 1;
+ if (!prefixcmp(placeholder + 1, "(auto)")) {
+ c->auto_color = 1;
+ return 7; /* consumed 7 bytes, "C(auto)" */
+ } else {
+ int ret = parse_color(sb, placeholder, c);
+ if (ret)
+ c->auto_color = 0;
+ /*
+ * Otherwise, we decided to treat %C<unknown>
+ * as a literal string, and the previous
+ * %C(auto) is still valid.
+ */
+ return ret;
}
- if (!prefixcmp(placeholder + 1, "red")) {
- strbuf_addstr(sb, GIT_COLOR_RED);
- return 4;
- } else if (!prefixcmp(placeholder + 1, "green")) {
- strbuf_addstr(sb, GIT_COLOR_GREEN);
- return 6;
- } else if (!prefixcmp(placeholder + 1, "blue")) {
- strbuf_addstr(sb, GIT_COLOR_BLUE);
- return 5;
- } else if (!prefixcmp(placeholder + 1, "reset")) {
- strbuf_addstr(sb, GIT_COLOR_RESET);
- return 6;
- } else
- return 0;
case 'n': /* newline */
strbuf_addch(sb, '\n');
return 1;
@@ -1115,6 +1123,10 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
return end - placeholder + 1;
} else
return 0;
+
+ case '<':
+ case '>':
+ return parse_padding_placeholder(sb, placeholder, c);
}
/* these depend on the commit */
@@ -1123,13 +1135,19 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
switch (placeholder[0]) {
case 'H': /* commit hash */
+ strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT));
strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
+ strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
return 1;
case 'h': /* abbreviated commit hash */
- if (add_again(sb, &c->abbrev_commit_hash))
+ strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT));
+ if (add_again(sb, &c->abbrev_commit_hash)) {
+ strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
return 1;
+ }
strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
c->pretty_ctx->abbrev));
+ strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
return 1;
case 'T': /* tree hash */
@@ -1166,7 +1184,8 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
strbuf_addstr(sb, get_revision_mark(NULL, commit));
return 1;
case 'd':
- format_decoration(sb, commit);
+ load_ref_decorations(DECORATE_SHORT_REFS);
+ format_decorations(sb, commit, c->auto_color);
return 1;
case 'g': /* reflog info */
switch(placeholder[1]) {
@@ -1202,27 +1221,29 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
}
if (placeholder[0] == 'G') {
- if (!c->commit_signature_parsed)
- parse_commit_signature(c);
+ if (!c->signature_check.result)
+ check_commit_signature(c->commit, &(c->signature_check));
switch (placeholder[1]) {
case 'G':
- if (c->signature.gpg_output)
- strbuf_addstr(sb, c->signature.gpg_output);
+ if (c->signature_check.gpg_output)
+ strbuf_addstr(sb, c->signature_check.gpg_output);
break;
case '?':
- switch (c->signature.good_bad) {
+ switch (c->signature_check.result) {
case 'G':
case 'B':
- strbuf_addch(sb, c->signature.good_bad);
+ case 'U':
+ case 'N':
+ strbuf_addch(sb, c->signature_check.result);
}
break;
case 'S':
- if (c->signature.signer)
- strbuf_addstr(sb, c->signature.signer);
+ if (c->signature_check.signer)
+ strbuf_addstr(sb, c->signature_check.signer);
break;
case 'K':
- if (c->signature.key)
- strbuf_addstr(sb, c->signature.key);
+ if (c->signature_check.key)
+ strbuf_addstr(sb, c->signature_check.key);
break;
}
return 2;
@@ -1243,7 +1264,8 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
msg + c->committer.off, c->committer.len,
c->pretty_ctx->date_mode);
case 'e': /* encoding */
- strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
+ if (c->commit_encoding)
+ strbuf_addstr(sb, c->commit_encoding);
return 1;
case 'B': /* raw body */
/* message_off is always left at the initial newline */
@@ -1269,7 +1291,111 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
return 0; /* unknown placeholder */
}
-static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
+static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */
+ const char *placeholder,
+ struct format_commit_context *c)
+{
+ struct strbuf local_sb = STRBUF_INIT;
+ int total_consumed = 0, len, padding = c->padding;
+ if (padding < 0) {
+ const char *start = strrchr(sb->buf, '\n');
+ int occupied;
+ if (!start)
+ start = sb->buf;
+ occupied = utf8_strnwidth(start, -1, 1);
+ padding = (-padding) - occupied;
+ }
+ while (1) {
+ int modifier = *placeholder == 'C';
+ int consumed = format_commit_one(&local_sb, placeholder, c);
+ total_consumed += consumed;
+
+ if (!modifier)
+ break;
+
+ placeholder += consumed;
+ if (*placeholder != '%')
+ break;
+ placeholder++;
+ total_consumed++;
+ }
+ len = utf8_strnwidth(local_sb.buf, -1, 1);
+
+ if (c->flush_type == flush_left_and_steal) {
+ const char *ch = sb->buf + sb->len - 1;
+ while (len > padding && ch > sb->buf) {
+ const char *p;
+ if (*ch == ' ') {
+ ch--;
+ padding++;
+ continue;
+ }
+ /* check for trailing ansi sequences */
+ if (*ch != 'm')
+ break;
+ p = ch - 1;
+ while (ch - p < 10 && *p != '\033')
+ p--;
+ if (*p != '\033' ||
+ ch + 1 - p != display_mode_esc_sequence_len(p))
+ break;
+ /*
+ * got a good ansi sequence, put it back to
+ * local_sb as we're cutting sb
+ */
+ strbuf_insert(&local_sb, 0, p, ch + 1 - p);
+ ch = p - 1;
+ }
+ strbuf_setlen(sb, ch + 1 - sb->buf);
+ c->flush_type = flush_left;
+ }
+
+ if (len > padding) {
+ switch (c->truncate) {
+ case trunc_left:
+ strbuf_utf8_replace(&local_sb,
+ 0, len - (padding - 2),
+ "..");
+ break;
+ case trunc_middle:
+ strbuf_utf8_replace(&local_sb,
+ padding / 2 - 1,
+ len - (padding - 2),
+ "..");
+ break;
+ case trunc_right:
+ strbuf_utf8_replace(&local_sb,
+ padding - 2, len - (padding - 2),
+ "..");
+ break;
+ case trunc_none:
+ break;
+ }
+ strbuf_addstr(sb, local_sb.buf);
+ } else {
+ int sb_len = sb->len, offset = 0;
+ if (c->flush_type == flush_left)
+ offset = padding - len;
+ else if (c->flush_type == flush_both)
+ offset = (padding - len) / 2;
+ /*
+ * we calculate padding in columns, now
+ * convert it back to chars
+ */
+ padding = padding - len + local_sb.len;
+ strbuf_grow(sb, padding);
+ strbuf_setlen(sb, sb_len + padding);
+ memset(sb->buf + sb_len, ' ', sb->len - sb_len);
+ memcpy(sb->buf + sb_len + offset, local_sb.buf,
+ local_sb.len);
+ }
+ strbuf_release(&local_sb);
+ c->flush_type = no_flush;
+ return total_consumed;
+}
+
+static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */
+ const char *placeholder,
void *context)
{
int consumed;
@@ -1298,7 +1424,10 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
placeholder++;
orig_len = sb->len;
- consumed = format_commit_one(sb, placeholder, context);
+ if (((struct format_commit_context *)context)->flush_type != no_flush)
+ consumed = format_and_pad_commit(sb, placeholder, context);
+ else
+ consumed = format_commit_one(sb, placeholder, context);
if (magic == NO_MAGIC)
return consumed;
@@ -1349,19 +1478,40 @@ void format_commit_message(const struct commit *commit,
{
struct format_commit_context context;
const char *output_enc = pretty_ctx->output_encoding;
+ const char *utf8 = "UTF-8";
memset(&context, 0, sizeof(context));
context.commit = commit;
context.pretty_ctx = pretty_ctx;
context.wrap_start = sb->len;
- context.message = logmsg_reencode(commit, output_enc);
+ context.message = logmsg_reencode(commit,
+ &context.commit_encoding,
+ output_enc);
strbuf_expand(sb, format, format_commit_item, &context);
rewrap_message_tail(sb, &context, 0, 0, 0);
+ if (output_enc) {
+ if (same_encoding(utf8, output_enc))
+ output_enc = NULL;
+ } else {
+ if (context.commit_encoding &&
+ !same_encoding(context.commit_encoding, utf8))
+ output_enc = context.commit_encoding;
+ }
+
+ if (output_enc) {
+ int outsz;
+ char *out = reencode_string_len(sb->buf, sb->len,
+ output_enc, utf8, &outsz);
+ if (out)
+ strbuf_attach(sb, out, outsz, outsz + 1);
+ }
+
+ free(context.commit_encoding);
logmsg_free(context.message, commit);
- free(context.signature.gpg_output);
- free(context.signature.signer);
+ free(context.signature_check.gpg_output);
+ free(context.signature_check.signer);
}
static void pp_header(const struct pretty_print_context *pp,
@@ -1517,7 +1667,7 @@ void pretty_print_commit(const struct pretty_print_context *pp,
}
encoding = get_log_output_encoding();
- msg = reencoded = logmsg_reencode(commit, encoding);
+ msg = reencoded = logmsg_reencode(commit, NULL, encoding);
if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
indent = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 08:14:03 +0000