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-rw-r--r--pretty.c354
1 files changed, 294 insertions, 60 deletions
diff --git a/pretty.c b/pretty.c
index d493cade26..13618d8264 100644
--- a/pretty.c
+++ b/pretty.c
@@ -11,6 +11,17 @@
#include "reflog-walk.h"
static char *user_format;
+static struct cmt_fmt_map {
+ const char *name;
+ enum cmit_fmt format;
+ int is_tformat;
+ int is_alias;
+ const char *user_format;
+} *commit_formats;
+static size_t builtin_formats_len;
+static size_t commit_formats_len;
+static size_t commit_formats_alloc;
+static struct cmt_fmt_map *find_commit_format(const char *sought);
static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat)
{
@@ -21,22 +32,118 @@ static void save_user_format(struct rev_info *rev, const char *cp, int is_tforma
rev->commit_format = CMIT_FMT_USERFORMAT;
}
-void get_commit_format(const char *arg, struct rev_info *rev)
+static int git_pretty_formats_config(const char *var, const char *value, void *cb)
{
+ struct cmt_fmt_map *commit_format = NULL;
+ const char *name;
+ const char *fmt;
int i;
- static struct cmt_fmt_map {
- const char *n;
- size_t cmp_len;
- enum cmit_fmt v;
- } cmt_fmts[] = {
- { "raw", 1, CMIT_FMT_RAW },
- { "medium", 1, CMIT_FMT_MEDIUM },
- { "short", 1, CMIT_FMT_SHORT },
- { "email", 1, CMIT_FMT_EMAIL },
- { "full", 5, CMIT_FMT_FULL },
- { "fuller", 5, CMIT_FMT_FULLER },
- { "oneline", 1, CMIT_FMT_ONELINE },
+
+ if (prefixcmp(var, "pretty."))
+ return 0;
+
+ name = var + strlen("pretty.");
+ for (i = 0; i < builtin_formats_len; i++) {
+ if (!strcmp(commit_formats[i].name, name))
+ return 0;
+ }
+
+ for (i = builtin_formats_len; i < commit_formats_len; i++) {
+ if (!strcmp(commit_formats[i].name, name)) {
+ commit_format = &commit_formats[i];
+ break;
+ }
+ }
+
+ if (!commit_format) {
+ ALLOC_GROW(commit_formats, commit_formats_len+1,
+ commit_formats_alloc);
+ commit_format = &commit_formats[commit_formats_len];
+ memset(commit_format, 0, sizeof(*commit_format));
+ commit_formats_len++;
+ }
+
+ commit_format->name = xstrdup(name);
+ commit_format->format = CMIT_FMT_USERFORMAT;
+ git_config_string(&fmt, var, value);
+ if (!prefixcmp(fmt, "format:") || !prefixcmp(fmt, "tformat:")) {
+ commit_format->is_tformat = fmt[0] == 't';
+ fmt = strchr(fmt, ':') + 1;
+ } else if (strchr(fmt, '%'))
+ commit_format->is_tformat = 1;
+ else
+ commit_format->is_alias = 1;
+ commit_format->user_format = fmt;
+
+ return 0;
+}
+
+static void setup_commit_formats(void)
+{
+ struct cmt_fmt_map builtin_formats[] = {
+ { "raw", CMIT_FMT_RAW, 0 },
+ { "medium", CMIT_FMT_MEDIUM, 0 },
+ { "short", CMIT_FMT_SHORT, 0 },
+ { "email", CMIT_FMT_EMAIL, 0 },
+ { "fuller", CMIT_FMT_FULLER, 0 },
+ { "full", CMIT_FMT_FULL, 0 },
+ { "oneline", CMIT_FMT_ONELINE, 1 }
};
+ commit_formats_len = ARRAY_SIZE(builtin_formats);
+ builtin_formats_len = commit_formats_len;
+ ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc);
+ memcpy(commit_formats, builtin_formats,
+ sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats));
+
+ git_config(git_pretty_formats_config, NULL);
+}
+
+static struct cmt_fmt_map *find_commit_format_recursive(const char *sought,
+ const char *original,
+ int num_redirections)
+{
+ struct cmt_fmt_map *found = NULL;
+ size_t found_match_len = 0;
+ int i;
+
+ if (num_redirections >= commit_formats_len)
+ die("invalid --pretty format: "
+ "'%s' references an alias which points to itself",
+ original);
+
+ for (i = 0; i < commit_formats_len; i++) {
+ size_t match_len;
+
+ if (prefixcmp(commit_formats[i].name, sought))
+ continue;
+
+ match_len = strlen(commit_formats[i].name);
+ if (found == NULL || found_match_len > match_len) {
+ found = &commit_formats[i];
+ found_match_len = match_len;
+ }
+ }
+
+ if (found && found->is_alias) {
+ found = find_commit_format_recursive(found->user_format,
+ original,
+ num_redirections+1);
+ }
+
+ return found;
+}
+
+static struct cmt_fmt_map *find_commit_format(const char *sought)
+{
+ if (!commit_formats)
+ setup_commit_formats();
+
+ return find_commit_format_recursive(sought, sought, 0);
+}
+
+void get_commit_format(const char *arg, struct rev_info *rev)
+{
+ struct cmt_fmt_map *commit_format;
rev->use_terminator = 0;
if (!arg || !*arg) {
@@ -47,21 +154,22 @@ void get_commit_format(const char *arg, struct rev_info *rev)
save_user_format(rev, strchr(arg, ':') + 1, arg[0] == 't');
return;
}
- for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
- if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len) &&
- !strncmp(arg, cmt_fmts[i].n, strlen(arg))) {
- if (cmt_fmts[i].v == CMIT_FMT_ONELINE)
- rev->use_terminator = 1;
- rev->commit_format = cmt_fmts[i].v;
- return;
- }
- }
+
if (strchr(arg, '%')) {
save_user_format(rev, arg, 1);
return;
}
- die("invalid --pretty format: %s", arg);
+ commit_format = find_commit_format(arg);
+ if (!commit_format)
+ die("invalid --pretty format: %s", arg);
+
+ rev->commit_format = commit_format->format;
+ rev->use_terminator = commit_format->is_tformat;
+ if (commit_format->format == CMIT_FMT_USERFORMAT) {
+ save_user_format(rev, commit_format->user_format,
+ commit_format->is_tformat);
+ }
}
/*
@@ -100,6 +208,58 @@ int has_non_ascii(const char *s)
return 0;
}
+static int is_rfc822_special(char ch)
+{
+ switch (ch) {
+ case '(':
+ case ')':
+ case '<':
+ case '>':
+ case '[':
+ case ']':
+ case ':':
+ case ';':
+ case '@':
+ case ',':
+ case '.':
+ case '"':
+ case '\\':
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static int has_rfc822_specials(const char *s, int len)
+{
+ int i;
+ for (i = 0; i < len; i++)
+ if (is_rfc822_special(s[i]))
+ return 1;
+ return 0;
+}
+
+static void add_rfc822_quoted(struct strbuf *out, const char *s, int len)
+{
+ int i;
+
+ /* just a guess, we may have to also backslash-quote */
+ strbuf_grow(out, len + 2);
+
+ strbuf_addch(out, '"');
+ for (i = 0; i < len; i++) {
+ switch (s[i]) {
+ case '"':
+ case '\\':
+ strbuf_addch(out, '\\');
+ /* fall through */
+ default:
+ strbuf_addch(out, s[i]);
+ }
+ }
+ strbuf_addch(out, '"');
+}
+
static int is_rfc2047_special(char ch)
{
return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_'));
@@ -108,36 +268,53 @@ static int is_rfc2047_special(char ch)
static void add_rfc2047(struct strbuf *sb, const char *line, int len,
const char *encoding)
{
- int i, last;
+ static const int max_length = 78; /* per rfc2822 */
+ int i;
+ int line_len;
+
+ /* How many bytes are already used on the current line? */
+ for (i = sb->len - 1; i >= 0; i--)
+ if (sb->buf[i] == '\n')
+ break;
+ line_len = sb->len - (i+1);
for (i = 0; i < len; i++) {
int ch = line[i];
- if (non_ascii(ch))
+ if (non_ascii(ch) || ch == '\n')
goto needquote;
if ((i + 1 < len) && (ch == '=' && line[i+1] == '?'))
goto needquote;
}
- strbuf_add(sb, line, len);
+ strbuf_add_wrapped_bytes(sb, line, len, 0, 1, max_length - line_len);
return;
needquote:
strbuf_grow(sb, len * 3 + strlen(encoding) + 100);
strbuf_addf(sb, "=?%s?q?", encoding);
- for (i = last = 0; i < len; i++) {
+ line_len += strlen(encoding) + 5; /* 5 for =??q? */
+ for (i = 0; i < len; i++) {
unsigned ch = line[i] & 0xFF;
+
+ if (line_len >= max_length - 2) {
+ strbuf_addf(sb, "?=\n =?%s?q?", encoding);
+ line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */
+ }
+
/*
* We encode ' ' using '=20' even though rfc2047
* allows using '_' for readability. Unfortunately,
* many programs do not understand this and just
* leave the underscore in place.
*/
- if (is_rfc2047_special(ch) || ch == ' ') {
- strbuf_add(sb, line + last, i - last);
+ if (is_rfc2047_special(ch) || ch == ' ' || ch == '\n') {
strbuf_addf(sb, "=%02X", ch);
- last = i + 1;
+ line_len += 3;
+ }
+ else {
+ strbuf_addch(sb, ch);
+ line_len++;
}
}
- strbuf_add(sb, line + last, len - last);
strbuf_addstr(sb, "?=");
}
@@ -168,7 +345,14 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
name_tail--;
display_name_length = name_tail - line;
strbuf_addstr(sb, "From: ");
- add_rfc2047(sb, line, display_name_length, encoding);
+ if (!has_rfc822_specials(line, display_name_length)) {
+ add_rfc2047(sb, line, display_name_length, encoding);
+ } else {
+ struct strbuf quoted = STRBUF_INIT;
+ add_rfc822_quoted(&quoted, line, display_name_length);
+ add_rfc2047(sb, quoted.buf, quoted.len, encoding);
+ strbuf_release(&quoted);
+ }
strbuf_add(sb, name_tail, namelen - display_name_length);
strbuf_addch(sb, '\n');
} else {
@@ -295,8 +479,8 @@ static char *replace_encoding_header(char *buf, const char *encoding)
return strbuf_detach(&tmp, NULL);
}
-static char *logmsg_reencode(const struct commit *commit,
- const char *output_encoding)
+char *logmsg_reencode(const struct commit *commit,
+ const char *output_encoding)
{
static const char *utf8 = "UTF-8";
const char *use_encoding;
@@ -447,6 +631,7 @@ struct format_commit_context {
const struct pretty_print_context *pretty_ctx;
unsigned commit_header_parsed:1;
unsigned commit_message_parsed:1;
+ char *message;
size_t width, indent1, indent2;
/* These offsets are relative to the start of the commit message. */
@@ -483,7 +668,7 @@ static int add_again(struct strbuf *sb, struct chunk *chunk)
static void parse_commit_header(struct format_commit_context *context)
{
- const char *msg = context->commit->buffer;
+ const char *msg = context->message;
int i;
for (i = 0; msg[i]; i++) {
@@ -569,8 +754,8 @@ const char *format_subject(struct strbuf *sb, const char *msg,
static void parse_commit_message(struct format_commit_context *c)
{
- const char *msg = c->commit->buffer + c->message_off;
- const char *start = c->commit->buffer;
+ const char *msg = c->message + c->message_off;
+ const char *start = c->message;
msg = skip_empty_lines(msg);
c->subject_off = msg - start;
@@ -633,7 +818,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
{
struct format_commit_context *c = context;
const struct commit *commit = c->commit;
- const char *msg = commit->buffer;
+ const char *msg = c->message;
struct commit_list *p;
int h1, h2;
@@ -716,7 +901,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
if (add_again(sb, &c->abbrev_commit_hash))
return 1;
strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
- DEFAULT_ABBREV));
+ c->pretty_ctx->abbrev));
c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
return 1;
case 'T': /* tree hash */
@@ -726,7 +911,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
if (add_again(sb, &c->abbrev_tree_hash))
return 1;
strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
- DEFAULT_ABBREV));
+ c->pretty_ctx->abbrev));
c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
return 1;
case 'P': /* parent hashes */
@@ -743,17 +928,14 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
if (p != commit->parents)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, find_unique_abbrev(
- p->item->object.sha1, DEFAULT_ABBREV));
+ p->item->object.sha1,
+ c->pretty_ctx->abbrev));
}
c->abbrev_parent_hashes.len = sb->len -
c->abbrev_parent_hashes.off;
return 1;
case 'm': /* left/right/bottom */
- strbuf_addch(sb, (commit->object.flags & BOUNDARY)
- ? '-'
- : (commit->object.flags & SYMMETRIC_LEFT)
- ? '<'
- : '>');
+ strbuf_addstr(sb, get_revision_mark(NULL, commit));
return 1;
case 'd':
format_decoration(sb, commit);
@@ -775,9 +957,12 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
}
return 0; /* unknown %g placeholder */
case 'N':
- get_commit_notes(commit, sb, git_log_output_encoding ?
- git_log_output_encoding : git_commit_encoding, 0);
- return 1;
+ if (c->pretty_ctx->show_notes) {
+ format_display_notes(commit->object.sha1, sb,
+ get_log_output_encoding(), 0);
+ return 1;
+ }
+ return 0;
}
/* For the rest we have to parse the commit header. */
@@ -796,6 +981,10 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
case 'e': /* encoding */
strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
return 1;
+ case 'B': /* raw body */
+ /* message_off is always left at the initial newline */
+ strbuf_addstr(sb, msg + c->message_off + 1);
+ return 1;
}
/* Now we need to parse the commit message. */
@@ -825,6 +1014,7 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
NO_MAGIC,
ADD_LF_BEFORE_NON_EMPTY,
DEL_LF_BEFORE_EMPTY,
+ ADD_SP_BEFORE_NON_EMPTY
} magic = NO_MAGIC;
switch (placeholder[0]) {
@@ -834,6 +1024,9 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
case '+':
magic = ADD_LF_BEFORE_NON_EMPTY;
break;
+ case ' ':
+ magic = ADD_SP_BEFORE_NON_EMPTY;
+ break;
default:
break;
}
@@ -848,24 +1041,70 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) {
while (sb->len && sb->buf[sb->len - 1] == '\n')
strbuf_setlen(sb, sb->len - 1);
- } else if ((orig_len != sb->len) && magic == ADD_LF_BEFORE_NON_EMPTY) {
- strbuf_insert(sb, orig_len, "\n", 1);
+ } else if (orig_len != sb->len) {
+ if (magic == ADD_LF_BEFORE_NON_EMPTY)
+ strbuf_insert(sb, orig_len, "\n", 1);
+ else if (magic == ADD_SP_BEFORE_NON_EMPTY)
+ strbuf_insert(sb, orig_len, " ", 1);
}
return consumed + 1;
}
+static size_t userformat_want_item(struct strbuf *sb, const char *placeholder,
+ void *context)
+{
+ struct userformat_want *w = context;
+
+ if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ')
+ placeholder++;
+
+ switch (*placeholder) {
+ case 'N':
+ w->notes = 1;
+ break;
+ }
+ return 0;
+}
+
+void userformat_find_requirements(const char *fmt, struct userformat_want *w)
+{
+ struct strbuf dummy = STRBUF_INIT;
+
+ if (!fmt) {
+ if (!user_format)
+ return;
+ fmt = user_format;
+ }
+ strbuf_expand(&dummy, user_format, userformat_want_item, w);
+ strbuf_release(&dummy);
+}
+
void format_commit_message(const struct commit *commit,
const char *format, struct strbuf *sb,
const struct pretty_print_context *pretty_ctx)
{
struct format_commit_context context;
+ static const char utf8[] = "UTF-8";
+ const char *enc;
+ const char *output_enc = pretty_ctx->output_encoding;
memset(&context, 0, sizeof(context));
context.commit = commit;
context.pretty_ctx = pretty_ctx;
context.wrap_start = sb->len;
+ context.message = commit->buffer;
+ if (output_enc) {
+ enc = get_header(commit, "encoding");
+ enc = enc ? enc : utf8;
+ if (strcmp(enc, output_enc))
+ context.message = logmsg_reencode(commit, output_enc);
+ }
+
strbuf_expand(sb, format, format_commit_item, &context);
rewrap_message_tail(sb, &context, 0, 0, 0);
+
+ if (context.message != commit->buffer)
+ free(context.message);
}
static void pp_header(enum cmit_fmt fmt,
@@ -939,11 +1178,10 @@ void pp_title_line(enum cmit_fmt fmt,
const char *encoding,
int need_8bit_cte)
{
- const char *line_separator = (fmt == CMIT_FMT_EMAIL) ? "\n " : " ";
struct strbuf title;
strbuf_init(&title, 80);
- *msg_p = format_subject(&title, *msg_p, line_separator);
+ *msg_p = format_subject(&title, *msg_p, " ");
strbuf_grow(sb, title.len + 1024);
if (subject) {
@@ -1006,11 +1244,7 @@ char *reencode_commit_message(const struct commit *commit, const char **encoding
{
const char *encoding;
- encoding = (git_log_output_encoding
- ? git_log_output_encoding
- : git_commit_encoding);
- if (!encoding)
- encoding = "UTF-8";
+ encoding = get_log_output_encoding();
if (encoding_p)
*encoding_p = encoding;
return logmsg_reencode(commit, encoding);
@@ -1095,8 +1329,8 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
strbuf_addch(sb, '\n');
if (context->show_notes)
- get_commit_notes(commit, sb, encoding,
- NOTES_SHOW_HEADER | NOTES_INDENT);
+ format_display_notes(commit->object.sha1, sb, encoding,
+ NOTES_SHOW_HEADER | NOTES_INDENT);
free(reencoded);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 14:29:25 +0000