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https://github.com/git/git
synced 2024-08-27 19:49:21 +00:00
![Junio C Hamano](/assets/img/avatar_default.png)
lookup_commit_reference() and friends have been updated to find in-core object for a specific in-core repository instance. * sb/object-store-lookup: (32 commits) commit.c: allow lookup_commit_reference to handle arbitrary repositories commit.c: allow lookup_commit_reference_gently to handle arbitrary repositories tag.c: allow deref_tag to handle arbitrary repositories object.c: allow parse_object to handle arbitrary repositories object.c: allow parse_object_buffer to handle arbitrary repositories commit.c: allow get_cached_commit_buffer to handle arbitrary repositories commit.c: allow set_commit_buffer to handle arbitrary repositories commit.c: migrate the commit buffer to the parsed object store commit-slabs: remove realloc counter outside of slab struct commit.c: allow parse_commit_buffer to handle arbitrary repositories tag: allow parse_tag_buffer to handle arbitrary repositories tag: allow lookup_tag to handle arbitrary repositories commit: allow lookup_commit to handle arbitrary repositories tree: allow lookup_tree to handle arbitrary repositories blob: allow lookup_blob to handle arbitrary repositories object: allow lookup_object to handle arbitrary repositories object: allow object_as_type to handle arbitrary repositories tag: add repository argument to deref_tag tag: add repository argument to parse_tag_buffer tag: add repository argument to lookup_tag ...
1872 lines
45 KiB
C
1872 lines
45 KiB
C
#include "cache.h"
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#include "config.h"
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#include "commit.h"
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#include "utf8.h"
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#include "diff.h"
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#include "revision.h"
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#include "string-list.h"
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#include "mailmap.h"
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#include "log-tree.h"
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#include "notes.h"
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#include "color.h"
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#include "reflog-walk.h"
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#include "gpg-interface.h"
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#include "trailer.h"
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static char *user_format;
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static struct cmt_fmt_map {
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const char *name;
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enum cmit_fmt format;
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int is_tformat;
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int expand_tabs_in_log;
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int is_alias;
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const char *user_format;
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} *commit_formats;
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static size_t builtin_formats_len;
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static size_t commit_formats_len;
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static size_t commit_formats_alloc;
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static struct cmt_fmt_map *find_commit_format(const char *sought);
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int commit_format_is_empty(enum cmit_fmt fmt)
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{
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return fmt == CMIT_FMT_USERFORMAT && !*user_format;
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}
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static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat)
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{
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free(user_format);
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user_format = xstrdup(cp);
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if (is_tformat)
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rev->use_terminator = 1;
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rev->commit_format = CMIT_FMT_USERFORMAT;
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}
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static int git_pretty_formats_config(const char *var, const char *value, void *cb)
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{
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struct cmt_fmt_map *commit_format = NULL;
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const char *name;
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const char *fmt;
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int i;
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if (!skip_prefix(var, "pretty.", &name))
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return 0;
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for (i = 0; i < builtin_formats_len; i++) {
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if (!strcmp(commit_formats[i].name, name))
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return 0;
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}
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for (i = builtin_formats_len; i < commit_formats_len; i++) {
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if (!strcmp(commit_formats[i].name, name)) {
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commit_format = &commit_formats[i];
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break;
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}
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}
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if (!commit_format) {
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ALLOC_GROW(commit_formats, commit_formats_len+1,
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commit_formats_alloc);
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commit_format = &commit_formats[commit_formats_len];
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memset(commit_format, 0, sizeof(*commit_format));
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commit_formats_len++;
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}
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commit_format->name = xstrdup(name);
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commit_format->format = CMIT_FMT_USERFORMAT;
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if (git_config_string(&fmt, var, value))
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return -1;
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if (skip_prefix(fmt, "format:", &fmt))
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commit_format->is_tformat = 0;
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else if (skip_prefix(fmt, "tformat:", &fmt) || strchr(fmt, '%'))
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commit_format->is_tformat = 1;
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else
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commit_format->is_alias = 1;
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commit_format->user_format = fmt;
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return 0;
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}
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static void setup_commit_formats(void)
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{
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struct cmt_fmt_map builtin_formats[] = {
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{ "raw", CMIT_FMT_RAW, 0, 0 },
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{ "medium", CMIT_FMT_MEDIUM, 0, 8 },
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{ "short", CMIT_FMT_SHORT, 0, 0 },
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{ "email", CMIT_FMT_EMAIL, 0, 0 },
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{ "mboxrd", CMIT_FMT_MBOXRD, 0, 0 },
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{ "fuller", CMIT_FMT_FULLER, 0, 8 },
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{ "full", CMIT_FMT_FULL, 0, 8 },
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{ "oneline", CMIT_FMT_ONELINE, 1, 0 }
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};
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commit_formats_len = ARRAY_SIZE(builtin_formats);
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builtin_formats_len = commit_formats_len;
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ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc);
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memcpy(commit_formats, builtin_formats,
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sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats));
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git_config(git_pretty_formats_config, NULL);
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}
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static struct cmt_fmt_map *find_commit_format_recursive(const char *sought,
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const char *original,
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int num_redirections)
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{
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struct cmt_fmt_map *found = NULL;
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size_t found_match_len = 0;
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int i;
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if (num_redirections >= commit_formats_len)
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die("invalid --pretty format: "
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"'%s' references an alias which points to itself",
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original);
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for (i = 0; i < commit_formats_len; i++) {
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size_t match_len;
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if (!starts_with(commit_formats[i].name, sought))
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continue;
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match_len = strlen(commit_formats[i].name);
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if (found == NULL || found_match_len > match_len) {
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found = &commit_formats[i];
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found_match_len = match_len;
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}
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}
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if (found && found->is_alias) {
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found = find_commit_format_recursive(found->user_format,
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original,
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num_redirections+1);
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}
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return found;
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}
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static struct cmt_fmt_map *find_commit_format(const char *sought)
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{
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if (!commit_formats)
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setup_commit_formats();
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return find_commit_format_recursive(sought, sought, 0);
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}
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void get_commit_format(const char *arg, struct rev_info *rev)
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{
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struct cmt_fmt_map *commit_format;
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rev->use_terminator = 0;
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if (!arg) {
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rev->commit_format = CMIT_FMT_DEFAULT;
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return;
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}
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if (skip_prefix(arg, "format:", &arg)) {
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save_user_format(rev, arg, 0);
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return;
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}
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if (!*arg || skip_prefix(arg, "tformat:", &arg) || strchr(arg, '%')) {
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save_user_format(rev, arg, 1);
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return;
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}
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commit_format = find_commit_format(arg);
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if (!commit_format)
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die("invalid --pretty format: %s", arg);
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rev->commit_format = commit_format->format;
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rev->use_terminator = commit_format->is_tformat;
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rev->expand_tabs_in_log_default = commit_format->expand_tabs_in_log;
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if (commit_format->format == CMIT_FMT_USERFORMAT) {
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save_user_format(rev, commit_format->user_format,
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commit_format->is_tformat);
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}
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}
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/*
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* Generic support for pretty-printing the header
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*/
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static int get_one_line(const char *msg)
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{
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int ret = 0;
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for (;;) {
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char c = *msg++;
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if (!c)
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break;
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ret++;
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if (c == '\n')
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break;
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}
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return ret;
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}
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/* High bit set, or ISO-2022-INT */
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static int non_ascii(int ch)
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{
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return !isascii(ch) || ch == '\033';
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}
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int has_non_ascii(const char *s)
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{
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int ch;
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if (!s)
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return 0;
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while ((ch = *s++) != '\0') {
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if (non_ascii(ch))
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return 1;
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}
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return 0;
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}
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static int is_rfc822_special(char ch)
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{
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switch (ch) {
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case '(':
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case ')':
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case '<':
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case '>':
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case '[':
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case ']':
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case ':':
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case ';':
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case '@':
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case ',':
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case '.':
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case '"':
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case '\\':
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return 1;
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default:
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return 0;
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}
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}
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static int needs_rfc822_quoting(const char *s, int len)
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{
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int i;
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for (i = 0; i < len; i++)
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if (is_rfc822_special(s[i]))
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return 1;
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return 0;
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}
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static int last_line_length(struct strbuf *sb)
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{
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int i;
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/* How many bytes are already used on the last line? */
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for (i = sb->len - 1; i >= 0; i--)
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if (sb->buf[i] == '\n')
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break;
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return sb->len - (i + 1);
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}
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static void add_rfc822_quoted(struct strbuf *out, const char *s, int len)
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{
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int i;
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/* just a guess, we may have to also backslash-quote */
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strbuf_grow(out, len + 2);
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strbuf_addch(out, '"');
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for (i = 0; i < len; i++) {
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switch (s[i]) {
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case '"':
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case '\\':
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strbuf_addch(out, '\\');
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/* fall through */
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default:
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strbuf_addch(out, s[i]);
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}
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}
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strbuf_addch(out, '"');
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}
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enum rfc2047_type {
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RFC2047_SUBJECT,
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RFC2047_ADDRESS
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};
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static int is_rfc2047_special(char ch, enum rfc2047_type type)
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{
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/*
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* rfc2047, section 4.2:
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*
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* 8-bit values which correspond to printable ASCII characters other
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* than "=", "?", and "_" (underscore), MAY be represented as those
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* characters. (But see section 5 for restrictions.) In
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* particular, SPACE and TAB MUST NOT be represented as themselves
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* within encoded words.
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*/
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/*
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* rule out non-ASCII characters and non-printable characters (the
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* non-ASCII check should be redundant as isprint() is not localized
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* and only knows about ASCII, but be defensive about that)
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*/
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if (non_ascii(ch) || !isprint(ch))
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return 1;
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/*
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* rule out special printable characters (' ' should be the only
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* whitespace character considered printable, but be defensive and use
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* isspace())
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*/
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if (isspace(ch) || ch == '=' || ch == '?' || ch == '_')
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return 1;
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/*
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* rfc2047, section 5.3:
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*
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* As a replacement for a 'word' entity within a 'phrase', for example,
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* one that precedes an address in a From, To, or Cc header. The ABNF
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* definition for 'phrase' from RFC 822 thus becomes:
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*
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* phrase = 1*( encoded-word / word )
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*
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* In this case the set of characters that may be used in a "Q"-encoded
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* 'encoded-word' is restricted to: <upper and lower case ASCII
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* letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_"
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* (underscore, ASCII 95.)>. An 'encoded-word' that appears within a
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* 'phrase' MUST be separated from any adjacent 'word', 'text' or
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* 'special' by 'linear-white-space'.
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*/
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if (type != RFC2047_ADDRESS)
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return 0;
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/* '=' and '_' are special cases and have been checked above */
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return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/');
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}
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static int needs_rfc2047_encoding(const char *line, int len,
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enum rfc2047_type type)
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{
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int i;
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for (i = 0; i < len; i++) {
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int ch = line[i];
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if (non_ascii(ch) || ch == '\n')
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return 1;
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if ((i + 1 < len) && (ch == '=' && line[i+1] == '?'))
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return 1;
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}
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return 0;
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}
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static void add_rfc2047(struct strbuf *sb, const char *line, size_t len,
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const char *encoding, enum rfc2047_type type)
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{
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static const int max_encoded_length = 76; /* per rfc2047 */
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int i;
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int line_len = last_line_length(sb);
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strbuf_grow(sb, len * 3 + strlen(encoding) + 100);
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strbuf_addf(sb, "=?%s?q?", encoding);
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line_len += strlen(encoding) + 5; /* 5 for =??q? */
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while (len) {
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/*
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* RFC 2047, section 5 (3):
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*
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* Each 'encoded-word' MUST represent an integral number of
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* characters. A multi-octet character may not be split across
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* adjacent 'encoded- word's.
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*/
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const unsigned char *p = (const unsigned char *)line;
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int chrlen = mbs_chrlen(&line, &len, encoding);
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int is_special = (chrlen > 1) || is_rfc2047_special(*p, type);
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/* "=%02X" * chrlen, or the byte itself */
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const char *encoded_fmt = is_special ? "=%02X" : "%c";
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int encoded_len = is_special ? 3 * chrlen : 1;
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/*
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* According to RFC 2047, we could encode the special character
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* ' ' (space) with '_' (underscore) for readability. But many
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* programs do not understand this and just leave the
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* underscore in place. Thus, we do nothing special here, which
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* causes ' ' to be encoded as '=20', avoiding this problem.
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*/
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if (line_len + encoded_len + 2 > max_encoded_length) {
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/* It won't fit with trailing "?=" --- break the line */
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strbuf_addf(sb, "?=\n =?%s?q?", encoding);
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line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */
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}
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for (i = 0; i < chrlen; i++)
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strbuf_addf(sb, encoded_fmt, p[i]);
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line_len += encoded_len;
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}
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strbuf_addstr(sb, "?=");
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}
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const char *show_ident_date(const struct ident_split *ident,
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const struct date_mode *mode)
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{
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timestamp_t date = 0;
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long tz = 0;
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if (ident->date_begin && ident->date_end)
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date = parse_timestamp(ident->date_begin, NULL, 10);
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if (date_overflows(date))
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date = 0;
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else {
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if (ident->tz_begin && ident->tz_end)
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tz = strtol(ident->tz_begin, NULL, 10);
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if (tz >= INT_MAX || tz <= INT_MIN)
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tz = 0;
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}
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return show_date(date, tz, mode);
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}
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void pp_user_info(struct pretty_print_context *pp,
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const char *what, struct strbuf *sb,
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const char *line, const char *encoding)
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{
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struct ident_split ident;
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char *line_end;
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const char *mailbuf, *namebuf;
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size_t namelen, maillen;
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int max_length = 78; /* per rfc2822 */
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if (pp->fmt == CMIT_FMT_ONELINE)
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return;
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line_end = strchrnul(line, '\n');
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if (split_ident_line(&ident, line, line_end - line))
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return;
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mailbuf = ident.mail_begin;
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maillen = ident.mail_end - ident.mail_begin;
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namebuf = ident.name_begin;
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namelen = ident.name_end - ident.name_begin;
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if (pp->mailmap)
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map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen);
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if (cmit_fmt_is_mail(pp->fmt)) {
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if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) {
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struct strbuf buf = STRBUF_INIT;
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strbuf_addstr(&buf, "From: ");
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strbuf_add(&buf, namebuf, namelen);
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strbuf_addstr(&buf, " <");
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strbuf_add(&buf, mailbuf, maillen);
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strbuf_addstr(&buf, ">\n");
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string_list_append(&pp->in_body_headers,
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strbuf_detach(&buf, NULL));
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mailbuf = pp->from_ident->mail_begin;
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maillen = pp->from_ident->mail_end - mailbuf;
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namebuf = pp->from_ident->name_begin;
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namelen = pp->from_ident->name_end - namebuf;
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}
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strbuf_addstr(sb, "From: ");
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if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) {
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add_rfc2047(sb, namebuf, namelen,
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encoding, RFC2047_ADDRESS);
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max_length = 76; /* per rfc2047 */
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} else if (needs_rfc822_quoting(namebuf, namelen)) {
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struct strbuf quoted = STRBUF_INIT;
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add_rfc822_quoted("ed, namebuf, namelen);
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strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len,
|
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-6, 1, max_length);
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strbuf_release("ed);
|
|
} else {
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strbuf_add_wrapped_bytes(sb, namebuf, namelen,
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-6, 1, max_length);
|
|
}
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|
|
if (max_length <
|
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last_line_length(sb) + strlen(" <") + maillen + strlen(">"))
|
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strbuf_addch(sb, '\n');
|
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strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf);
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} else {
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strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what,
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(pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ",
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(int)namelen, namebuf, (int)maillen, mailbuf);
|
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}
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|
|
switch (pp->fmt) {
|
|
case CMIT_FMT_MEDIUM:
|
|
strbuf_addf(sb, "Date: %s\n",
|
|
show_ident_date(&ident, &pp->date_mode));
|
|
break;
|
|
case CMIT_FMT_EMAIL:
|
|
case CMIT_FMT_MBOXRD:
|
|
strbuf_addf(sb, "Date: %s\n",
|
|
show_ident_date(&ident, DATE_MODE(RFC2822)));
|
|
break;
|
|
case CMIT_FMT_FULLER:
|
|
strbuf_addf(sb, "%sDate: %s\n", what,
|
|
show_ident_date(&ident, &pp->date_mode));
|
|
break;
|
|
default:
|
|
/* notin' */
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int is_blank_line(const char *line, int *len_p)
|
|
{
|
|
int len = *len_p;
|
|
while (len && isspace(line[len - 1]))
|
|
len--;
|
|
*len_p = len;
|
|
return !len;
|
|
}
|
|
|
|
const char *skip_blank_lines(const char *msg)
|
|
{
|
|
for (;;) {
|
|
int linelen = get_one_line(msg);
|
|
int ll = linelen;
|
|
if (!linelen)
|
|
break;
|
|
if (!is_blank_line(msg, &ll))
|
|
break;
|
|
msg += linelen;
|
|
}
|
|
return msg;
|
|
}
|
|
|
|
static void add_merge_info(const struct pretty_print_context *pp,
|
|
struct strbuf *sb, const struct commit *commit)
|
|
{
|
|
struct commit_list *parent = commit->parents;
|
|
|
|
if ((pp->fmt == CMIT_FMT_ONELINE) || (cmit_fmt_is_mail(pp->fmt)) ||
|
|
!parent || !parent->next)
|
|
return;
|
|
|
|
strbuf_addstr(sb, "Merge:");
|
|
|
|
while (parent) {
|
|
struct object_id *oidp = &parent->item->object.oid;
|
|
strbuf_addch(sb, ' ');
|
|
if (pp->abbrev)
|
|
strbuf_add_unique_abbrev(sb, oidp, pp->abbrev);
|
|
else
|
|
strbuf_addstr(sb, oid_to_hex(oidp));
|
|
parent = parent->next;
|
|
}
|
|
strbuf_addch(sb, '\n');
|
|
}
|
|
|
|
static char *get_header(const char *msg, const char *key)
|
|
{
|
|
size_t len;
|
|
const char *v = find_commit_header(msg, key, &len);
|
|
return v ? xmemdupz(v, len) : NULL;
|
|
}
|
|
|
|
static char *replace_encoding_header(char *buf, const char *encoding)
|
|
{
|
|
struct strbuf tmp = STRBUF_INIT;
|
|
size_t start, len;
|
|
char *cp = buf;
|
|
|
|
/* guess if there is an encoding header before a \n\n */
|
|
while (!starts_with(cp, "encoding ")) {
|
|
cp = strchr(cp, '\n');
|
|
if (!cp || *++cp == '\n')
|
|
return buf;
|
|
}
|
|
start = cp - buf;
|
|
cp = strchr(cp, '\n');
|
|
if (!cp)
|
|
return buf; /* should not happen but be defensive */
|
|
len = cp + 1 - (buf + start);
|
|
|
|
strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1);
|
|
if (is_encoding_utf8(encoding)) {
|
|
/* we have re-coded to UTF-8; drop the header */
|
|
strbuf_remove(&tmp, start, len);
|
|
} else {
|
|
/* just replaces XXXX in 'encoding XXXX\n' */
|
|
strbuf_splice(&tmp, start + strlen("encoding "),
|
|
len - strlen("encoding \n"),
|
|
encoding, strlen(encoding));
|
|
}
|
|
return strbuf_detach(&tmp, NULL);
|
|
}
|
|
|
|
const char *logmsg_reencode(const struct commit *commit,
|
|
char **commit_encoding,
|
|
const char *output_encoding)
|
|
{
|
|
static const char *utf8 = "UTF-8";
|
|
const char *use_encoding;
|
|
char *encoding;
|
|
const char *msg = get_commit_buffer(commit, NULL);
|
|
char *out;
|
|
|
|
if (!output_encoding || !*output_encoding) {
|
|
if (commit_encoding)
|
|
*commit_encoding = get_header(msg, "encoding");
|
|
return msg;
|
|
}
|
|
encoding = get_header(msg, "encoding");
|
|
if (commit_encoding)
|
|
*commit_encoding = encoding;
|
|
use_encoding = encoding ? encoding : utf8;
|
|
if (same_encoding(use_encoding, output_encoding)) {
|
|
/*
|
|
* No encoding work to be done. If we have no encoding header
|
|
* at all, then there's nothing to do, and we can return the
|
|
* message verbatim (whether newly allocated or not).
|
|
*/
|
|
if (!encoding)
|
|
return msg;
|
|
|
|
/*
|
|
* Otherwise, we still want to munge the encoding header in the
|
|
* result, which will be done by modifying the buffer. If we
|
|
* are using a fresh copy, we can reuse it. But if we are using
|
|
* the cached copy from get_commit_buffer, we need to duplicate it
|
|
* to avoid munging the cached copy.
|
|
*/
|
|
if (msg == get_cached_commit_buffer(the_repository, commit, NULL))
|
|
out = xstrdup(msg);
|
|
else
|
|
out = (char *)msg;
|
|
}
|
|
else {
|
|
/*
|
|
* There's actual encoding work to do. Do the reencoding, which
|
|
* still leaves the header to be replaced in the next step. At
|
|
* this point, we are done with msg. If we allocated a fresh
|
|
* copy, we can free it.
|
|
*/
|
|
out = reencode_string(msg, output_encoding, use_encoding);
|
|
if (out)
|
|
unuse_commit_buffer(commit, msg);
|
|
}
|
|
|
|
/*
|
|
* This replacement actually consumes the buffer we hand it, so we do
|
|
* not have to worry about freeing the old "out" here.
|
|
*/
|
|
if (out)
|
|
out = replace_encoding_header(out, output_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.
|
|
*/
|
|
return out ? out : msg;
|
|
}
|
|
|
|
static int mailmap_name(const char **email, size_t *email_len,
|
|
const char **name, size_t *name_len)
|
|
{
|
|
static struct string_list *mail_map;
|
|
if (!mail_map) {
|
|
mail_map = xcalloc(1, sizeof(*mail_map));
|
|
read_mailmap(mail_map, NULL);
|
|
}
|
|
return mail_map->nr && map_user(mail_map, email, email_len, name, name_len);
|
|
}
|
|
|
|
static size_t format_person_part(struct strbuf *sb, char part,
|
|
const char *msg, int len,
|
|
const struct date_mode *dmode)
|
|
{
|
|
/* currently all placeholders have same length */
|
|
const int placeholder_len = 2;
|
|
struct ident_split s;
|
|
const char *name, *mail;
|
|
size_t maillen, namelen;
|
|
|
|
if (split_ident_line(&s, msg, len) < 0)
|
|
goto skip;
|
|
|
|
name = s.name_begin;
|
|
namelen = s.name_end - s.name_begin;
|
|
mail = s.mail_begin;
|
|
maillen = s.mail_end - s.mail_begin;
|
|
|
|
if (part == 'N' || part == 'E') /* mailmap lookup */
|
|
mailmap_name(&mail, &maillen, &name, &namelen);
|
|
if (part == 'n' || part == 'N') { /* name */
|
|
strbuf_add(sb, name, namelen);
|
|
return placeholder_len;
|
|
}
|
|
if (part == 'e' || part == 'E') { /* email */
|
|
strbuf_add(sb, mail, maillen);
|
|
return placeholder_len;
|
|
}
|
|
|
|
if (!s.date_begin)
|
|
goto skip;
|
|
|
|
if (part == 't') { /* date, UNIX timestamp */
|
|
strbuf_add(sb, s.date_begin, s.date_end - s.date_begin);
|
|
return placeholder_len;
|
|
}
|
|
|
|
switch (part) {
|
|
case 'd': /* date */
|
|
strbuf_addstr(sb, show_ident_date(&s, dmode));
|
|
return placeholder_len;
|
|
case 'D': /* date, RFC2822 style */
|
|
strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RFC2822)));
|
|
return placeholder_len;
|
|
case 'r': /* date, relative */
|
|
strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RELATIVE)));
|
|
return placeholder_len;
|
|
case 'i': /* date, ISO 8601-like */
|
|
strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601)));
|
|
return placeholder_len;
|
|
case 'I': /* date, ISO 8601 strict */
|
|
strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601_STRICT)));
|
|
return placeholder_len;
|
|
}
|
|
|
|
skip:
|
|
/*
|
|
* reading from either a bogus commit, or a reflog entry with
|
|
* %gn, %ge, etc.; 'sb' cannot be updated, but we still need
|
|
* to compute a valid return value.
|
|
*/
|
|
if (part == 'n' || part == 'e' || part == 't' || part == 'd'
|
|
|| part == 'D' || part == 'r' || part == 'i')
|
|
return placeholder_len;
|
|
|
|
return 0; /* unknown placeholder */
|
|
}
|
|
|
|
struct chunk {
|
|
size_t off;
|
|
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;
|
|
struct signature_check signature_check;
|
|
enum flush_type flush_type;
|
|
enum trunc_type truncate;
|
|
const 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;
|
|
size_t message_off;
|
|
size_t subject_off;
|
|
size_t body_off;
|
|
|
|
/* The following ones are relative to the result struct strbuf. */
|
|
size_t wrap_start;
|
|
};
|
|
|
|
static void parse_commit_header(struct format_commit_context *context)
|
|
{
|
|
const char *msg = context->message;
|
|
int i;
|
|
|
|
for (i = 0; msg[i]; i++) {
|
|
const char *name;
|
|
int eol;
|
|
for (eol = i; msg[eol] && msg[eol] != '\n'; eol++)
|
|
; /* do nothing */
|
|
|
|
if (i == eol) {
|
|
break;
|
|
} else if (skip_prefix(msg + i, "author ", &name)) {
|
|
context->author.off = name - msg;
|
|
context->author.len = msg + eol - name;
|
|
} else if (skip_prefix(msg + i, "committer ", &name)) {
|
|
context->committer.off = name - msg;
|
|
context->committer.len = msg + eol - name;
|
|
}
|
|
i = eol;
|
|
}
|
|
context->message_off = i;
|
|
context->commit_header_parsed = 1;
|
|
}
|
|
|
|
static int istitlechar(char c)
|
|
{
|
|
return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
|
|
(c >= '0' && c <= '9') || c == '.' || c == '_';
|
|
}
|
|
|
|
static void format_sanitized_subject(struct strbuf *sb, const char *msg)
|
|
{
|
|
size_t trimlen;
|
|
size_t start_len = sb->len;
|
|
int space = 2;
|
|
|
|
for (; *msg && *msg != '\n'; msg++) {
|
|
if (istitlechar(*msg)) {
|
|
if (space == 1)
|
|
strbuf_addch(sb, '-');
|
|
space = 0;
|
|
strbuf_addch(sb, *msg);
|
|
if (*msg == '.')
|
|
while (*(msg+1) == '.')
|
|
msg++;
|
|
} else
|
|
space |= 1;
|
|
}
|
|
|
|
/* trim any trailing '.' or '-' characters */
|
|
trimlen = 0;
|
|
while (sb->len - trimlen > start_len &&
|
|
(sb->buf[sb->len - 1 - trimlen] == '.'
|
|
|| sb->buf[sb->len - 1 - trimlen] == '-'))
|
|
trimlen++;
|
|
strbuf_remove(sb, sb->len - trimlen, trimlen);
|
|
}
|
|
|
|
const char *format_subject(struct strbuf *sb, const char *msg,
|
|
const char *line_separator)
|
|
{
|
|
int first = 1;
|
|
|
|
for (;;) {
|
|
const char *line = msg;
|
|
int linelen = get_one_line(line);
|
|
|
|
msg += linelen;
|
|
if (!linelen || is_blank_line(line, &linelen))
|
|
break;
|
|
|
|
if (!sb)
|
|
continue;
|
|
strbuf_grow(sb, linelen + 2);
|
|
if (!first)
|
|
strbuf_addstr(sb, line_separator);
|
|
strbuf_add(sb, line, linelen);
|
|
first = 0;
|
|
}
|
|
return msg;
|
|
}
|
|
|
|
static void parse_commit_message(struct format_commit_context *c)
|
|
{
|
|
const char *msg = c->message + c->message_off;
|
|
const char *start = c->message;
|
|
|
|
msg = skip_blank_lines(msg);
|
|
c->subject_off = msg - start;
|
|
|
|
msg = format_subject(NULL, msg, NULL);
|
|
msg = skip_blank_lines(msg);
|
|
c->body_off = msg - start;
|
|
|
|
c->commit_message_parsed = 1;
|
|
}
|
|
|
|
static void strbuf_wrap(struct strbuf *sb, size_t pos,
|
|
size_t width, size_t indent1, size_t indent2)
|
|
{
|
|
struct strbuf tmp = STRBUF_INIT;
|
|
|
|
if (pos)
|
|
strbuf_add(&tmp, sb->buf, pos);
|
|
strbuf_add_wrapped_text(&tmp, sb->buf + pos,
|
|
(int) indent1, (int) indent2, (int) width);
|
|
strbuf_swap(&tmp, sb);
|
|
strbuf_release(&tmp);
|
|
}
|
|
|
|
static void rewrap_message_tail(struct strbuf *sb,
|
|
struct format_commit_context *c,
|
|
size_t new_width, size_t new_indent1,
|
|
size_t new_indent2)
|
|
{
|
|
if (c->width == new_width && c->indent1 == new_indent1 &&
|
|
c->indent2 == new_indent2)
|
|
return;
|
|
if (c->wrap_start < sb->len)
|
|
strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2);
|
|
c->wrap_start = sb->len;
|
|
c->width = new_width;
|
|
c->indent1 = new_indent1;
|
|
c->indent2 = new_indent2;
|
|
}
|
|
|
|
static int format_reflog_person(struct strbuf *sb,
|
|
char part,
|
|
struct reflog_walk_info *log,
|
|
const struct date_mode *dmode)
|
|
{
|
|
const char *ident;
|
|
|
|
if (!log)
|
|
return 2;
|
|
|
|
ident = get_reflog_ident(log);
|
|
if (!ident)
|
|
return 2;
|
|
|
|
return format_person_part(sb, part, ident, strlen(ident), dmode);
|
|
}
|
|
|
|
static size_t parse_color(struct strbuf *sb, /* in UTF-8 */
|
|
const char *placeholder,
|
|
struct format_commit_context *c)
|
|
{
|
|
const char *rest = placeholder;
|
|
const char *basic_color = NULL;
|
|
|
|
if (placeholder[1] == '(') {
|
|
const char *begin = placeholder + 2;
|
|
const char *end = strchr(begin, ')');
|
|
char color[COLOR_MAXLEN];
|
|
|
|
if (!end)
|
|
return 0;
|
|
|
|
if (skip_prefix(begin, "auto,", &begin)) {
|
|
if (!want_color(c->pretty_ctx->color))
|
|
return end - placeholder + 1;
|
|
} else if (skip_prefix(begin, "always,", &begin)) {
|
|
/* nothing to do; we do not respect want_color at all */
|
|
} else {
|
|
/* the default is the same as "auto" */
|
|
if (!want_color(c->pretty_ctx->color))
|
|
return end - placeholder + 1;
|
|
}
|
|
|
|
if (color_parse_mem(begin, end - begin, color) < 0)
|
|
die(_("unable to parse --pretty format"));
|
|
strbuf_addstr(sb, color);
|
|
return end - placeholder + 1;
|
|
}
|
|
|
|
/*
|
|
* We handle things like "%C(red)" above; for historical reasons, there
|
|
* are a few colors that can be specified without parentheses (and
|
|
* they cannot support things like "auto" or "always" at all).
|
|
*/
|
|
if (skip_prefix(placeholder + 1, "red", &rest))
|
|
basic_color = GIT_COLOR_RED;
|
|
else if (skip_prefix(placeholder + 1, "green", &rest))
|
|
basic_color = GIT_COLOR_GREEN;
|
|
else if (skip_prefix(placeholder + 1, "blue", &rest))
|
|
basic_color = GIT_COLOR_BLUE;
|
|
else if (skip_prefix(placeholder + 1, "reset", &rest))
|
|
basic_color = GIT_COLOR_RESET;
|
|
|
|
if (basic_color && want_color(c->pretty_ctx->color))
|
|
strbuf_addstr(sb, basic_color);
|
|
|
|
return rest - placeholder;
|
|
}
|
|
|
|
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 = strtol(start, &next, 10);
|
|
if (next == start || width == 0)
|
|
return 0;
|
|
if (width < 0) {
|
|
if (to_column)
|
|
width += term_columns();
|
|
if (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 (starts_with(start, "trunc)"))
|
|
c->truncate = trunc_right;
|
|
else if (starts_with(start, "ltrunc)"))
|
|
c->truncate = trunc_left;
|
|
else if (starts_with(start, "mtrunc)"))
|
|
c->truncate = trunc_middle;
|
|
else
|
|
return 0;
|
|
} else
|
|
c->truncate = trunc_none;
|
|
|
|
return end - placeholder + 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int match_placeholder_arg(const char *to_parse, const char *candidate,
|
|
const char **end)
|
|
{
|
|
const char *p;
|
|
|
|
if (!(skip_prefix(to_parse, candidate, &p)))
|
|
return 0;
|
|
if (*p == ',') {
|
|
*end = p + 1;
|
|
return 1;
|
|
}
|
|
if (*p == ')') {
|
|
*end = p;
|
|
return 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;
|
|
const struct commit *commit = c->commit;
|
|
const char *msg = c->message;
|
|
struct commit_list *p;
|
|
const char *arg;
|
|
int ch;
|
|
|
|
/* these are independent of the commit */
|
|
switch (placeholder[0]) {
|
|
case 'C':
|
|
if (starts_with(placeholder + 1, "(auto)")) {
|
|
c->auto_color = want_color(c->pretty_ctx->color);
|
|
if (c->auto_color && sb->len)
|
|
strbuf_addstr(sb, GIT_COLOR_RESET);
|
|
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;
|
|
}
|
|
case 'n': /* newline */
|
|
strbuf_addch(sb, '\n');
|
|
return 1;
|
|
case 'x':
|
|
/* %x00 == NUL, %x0a == LF, etc. */
|
|
ch = hex2chr(placeholder + 1);
|
|
if (ch < 0)
|
|
return 0;
|
|
strbuf_addch(sb, ch);
|
|
return 3;
|
|
case 'w':
|
|
if (placeholder[1] == '(') {
|
|
unsigned long width = 0, indent1 = 0, indent2 = 0;
|
|
char *next;
|
|
const char *start = placeholder + 2;
|
|
const char *end = strchr(start, ')');
|
|
if (!end)
|
|
return 0;
|
|
if (end > start) {
|
|
width = strtoul(start, &next, 10);
|
|
if (*next == ',') {
|
|
indent1 = strtoul(next + 1, &next, 10);
|
|
if (*next == ',') {
|
|
indent2 = strtoul(next + 1,
|
|
&next, 10);
|
|
}
|
|
}
|
|
if (*next != ')')
|
|
return 0;
|
|
}
|
|
rewrap_message_tail(sb, c, width, indent1, indent2);
|
|
return end - placeholder + 1;
|
|
} else
|
|
return 0;
|
|
|
|
case '<':
|
|
case '>':
|
|
return parse_padding_placeholder(sb, placeholder, c);
|
|
}
|
|
|
|
/* these depend on the commit */
|
|
if (!commit->object.parsed)
|
|
parse_object(the_repository, &commit->object.oid);
|
|
|
|
switch (placeholder[0]) {
|
|
case 'H': /* commit hash */
|
|
strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT));
|
|
strbuf_addstr(sb, oid_to_hex(&commit->object.oid));
|
|
strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
|
|
return 1;
|
|
case 'h': /* abbreviated commit hash */
|
|
strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT));
|
|
strbuf_add_unique_abbrev(sb, &commit->object.oid,
|
|
c->pretty_ctx->abbrev);
|
|
strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
|
|
return 1;
|
|
case 'T': /* tree hash */
|
|
strbuf_addstr(sb, oid_to_hex(get_commit_tree_oid(commit)));
|
|
return 1;
|
|
case 't': /* abbreviated tree hash */
|
|
strbuf_add_unique_abbrev(sb,
|
|
get_commit_tree_oid(commit),
|
|
c->pretty_ctx->abbrev);
|
|
return 1;
|
|
case 'P': /* parent hashes */
|
|
for (p = commit->parents; p; p = p->next) {
|
|
if (p != commit->parents)
|
|
strbuf_addch(sb, ' ');
|
|
strbuf_addstr(sb, oid_to_hex(&p->item->object.oid));
|
|
}
|
|
return 1;
|
|
case 'p': /* abbreviated parent hashes */
|
|
for (p = commit->parents; p; p = p->next) {
|
|
if (p != commit->parents)
|
|
strbuf_addch(sb, ' ');
|
|
strbuf_add_unique_abbrev(sb, &p->item->object.oid,
|
|
c->pretty_ctx->abbrev);
|
|
}
|
|
return 1;
|
|
case 'm': /* left/right/bottom */
|
|
strbuf_addstr(sb, get_revision_mark(NULL, commit));
|
|
return 1;
|
|
case 'd':
|
|
load_ref_decorations(NULL, DECORATE_SHORT_REFS);
|
|
format_decorations(sb, commit, c->auto_color);
|
|
return 1;
|
|
case 'D':
|
|
load_ref_decorations(NULL, DECORATE_SHORT_REFS);
|
|
format_decorations_extended(sb, commit, c->auto_color, "", ", ", "");
|
|
return 1;
|
|
case 'g': /* reflog info */
|
|
switch(placeholder[1]) {
|
|
case 'd': /* reflog selector */
|
|
case 'D':
|
|
if (c->pretty_ctx->reflog_info)
|
|
get_reflog_selector(sb,
|
|
c->pretty_ctx->reflog_info,
|
|
&c->pretty_ctx->date_mode,
|
|
c->pretty_ctx->date_mode_explicit,
|
|
(placeholder[1] == 'd'));
|
|
return 2;
|
|
case 's': /* reflog message */
|
|
if (c->pretty_ctx->reflog_info)
|
|
get_reflog_message(sb, c->pretty_ctx->reflog_info);
|
|
return 2;
|
|
case 'n':
|
|
case 'N':
|
|
case 'e':
|
|
case 'E':
|
|
return format_reflog_person(sb,
|
|
placeholder[1],
|
|
c->pretty_ctx->reflog_info,
|
|
&c->pretty_ctx->date_mode);
|
|
}
|
|
return 0; /* unknown %g placeholder */
|
|
case 'N':
|
|
if (c->pretty_ctx->notes_message) {
|
|
strbuf_addstr(sb, c->pretty_ctx->notes_message);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (placeholder[0] == 'G') {
|
|
if (!c->signature_check.result)
|
|
check_commit_signature(c->commit, &(c->signature_check));
|
|
switch (placeholder[1]) {
|
|
case 'G':
|
|
if (c->signature_check.gpg_output)
|
|
strbuf_addstr(sb, c->signature_check.gpg_output);
|
|
break;
|
|
case '?':
|
|
switch (c->signature_check.result) {
|
|
case 'G':
|
|
case 'B':
|
|
case 'E':
|
|
case 'U':
|
|
case 'N':
|
|
case 'X':
|
|
case 'Y':
|
|
case 'R':
|
|
strbuf_addch(sb, c->signature_check.result);
|
|
}
|
|
break;
|
|
case 'S':
|
|
if (c->signature_check.signer)
|
|
strbuf_addstr(sb, c->signature_check.signer);
|
|
break;
|
|
case 'K':
|
|
if (c->signature_check.key)
|
|
strbuf_addstr(sb, c->signature_check.key);
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return 2;
|
|
}
|
|
|
|
|
|
/* For the rest we have to parse the commit header. */
|
|
if (!c->commit_header_parsed)
|
|
parse_commit_header(c);
|
|
|
|
switch (placeholder[0]) {
|
|
case 'a': /* author ... */
|
|
return format_person_part(sb, placeholder[1],
|
|
msg + c->author.off, c->author.len,
|
|
&c->pretty_ctx->date_mode);
|
|
case 'c': /* committer ... */
|
|
return format_person_part(sb, placeholder[1],
|
|
msg + c->committer.off, c->committer.len,
|
|
&c->pretty_ctx->date_mode);
|
|
case 'e': /* encoding */
|
|
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 */
|
|
strbuf_addstr(sb, msg + c->message_off + 1);
|
|
return 1;
|
|
}
|
|
|
|
/* Now we need to parse the commit message. */
|
|
if (!c->commit_message_parsed)
|
|
parse_commit_message(c);
|
|
|
|
switch (placeholder[0]) {
|
|
case 's': /* subject */
|
|
format_subject(sb, msg + c->subject_off, " ");
|
|
return 1;
|
|
case 'f': /* sanitized subject */
|
|
format_sanitized_subject(sb, msg + c->subject_off);
|
|
return 1;
|
|
case 'b': /* body */
|
|
strbuf_addstr(sb, msg + c->body_off);
|
|
return 1;
|
|
}
|
|
|
|
if (skip_prefix(placeholder, "(trailers", &arg)) {
|
|
struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT;
|
|
if (*arg == ':') {
|
|
arg++;
|
|
for (;;) {
|
|
if (match_placeholder_arg(arg, "only", &arg))
|
|
opts.only_trailers = 1;
|
|
else if (match_placeholder_arg(arg, "unfold", &arg))
|
|
opts.unfold = 1;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
if (*arg == ')') {
|
|
format_trailers_from_commit(sb, msg + c->subject_off, &opts);
|
|
return arg - placeholder + 1;
|
|
}
|
|
}
|
|
|
|
return 0; /* unknown 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);
|
|
occupied += c->pretty_ctx->graph_width;
|
|
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_addbuf(sb, &local_sb);
|
|
} 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_addchars(sb, ' ', padding);
|
|
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;
|
|
size_t orig_len;
|
|
enum {
|
|
NO_MAGIC,
|
|
ADD_LF_BEFORE_NON_EMPTY,
|
|
DEL_LF_BEFORE_EMPTY,
|
|
ADD_SP_BEFORE_NON_EMPTY
|
|
} magic = NO_MAGIC;
|
|
|
|
switch (placeholder[0]) {
|
|
case '-':
|
|
magic = DEL_LF_BEFORE_EMPTY;
|
|
break;
|
|
case '+':
|
|
magic = ADD_LF_BEFORE_NON_EMPTY;
|
|
break;
|
|
case ' ':
|
|
magic = ADD_SP_BEFORE_NON_EMPTY;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (magic != NO_MAGIC)
|
|
placeholder++;
|
|
|
|
orig_len = sb->len;
|
|
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;
|
|
|
|
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) {
|
|
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, fmt, 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;
|
|
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;
|
|
/*
|
|
* convert a commit message to UTF-8 first
|
|
* as far as 'format_commit_item' assumes it in UTF-8
|
|
*/
|
|
context.message = logmsg_reencode(commit,
|
|
&context.commit_encoding,
|
|
utf8);
|
|
|
|
strbuf_expand(sb, format, format_commit_item, &context);
|
|
rewrap_message_tail(sb, &context, 0, 0, 0);
|
|
|
|
/* then convert a commit message to an actual output encoding */
|
|
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);
|
|
unuse_commit_buffer(commit, context.message);
|
|
}
|
|
|
|
static void pp_header(struct pretty_print_context *pp,
|
|
const char *encoding,
|
|
const struct commit *commit,
|
|
const char **msg_p,
|
|
struct strbuf *sb)
|
|
{
|
|
int parents_shown = 0;
|
|
|
|
for (;;) {
|
|
const char *name, *line = *msg_p;
|
|
int linelen = get_one_line(*msg_p);
|
|
|
|
if (!linelen)
|
|
return;
|
|
*msg_p += linelen;
|
|
|
|
if (linelen == 1)
|
|
/* End of header */
|
|
return;
|
|
|
|
if (pp->fmt == CMIT_FMT_RAW) {
|
|
strbuf_add(sb, line, linelen);
|
|
continue;
|
|
}
|
|
|
|
if (starts_with(line, "parent ")) {
|
|
if (linelen != the_hash_algo->hexsz + 8)
|
|
die("bad parent line in commit");
|
|
continue;
|
|
}
|
|
|
|
if (!parents_shown) {
|
|
unsigned num = commit_list_count(commit->parents);
|
|
/* with enough slop */
|
|
strbuf_grow(sb, num * (GIT_MAX_HEXSZ + 10) + 20);
|
|
add_merge_info(pp, sb, commit);
|
|
parents_shown = 1;
|
|
}
|
|
|
|
/*
|
|
* MEDIUM == DEFAULT shows only author with dates.
|
|
* FULL shows both authors but not dates.
|
|
* FULLER shows both authors and dates.
|
|
*/
|
|
if (skip_prefix(line, "author ", &name)) {
|
|
strbuf_grow(sb, linelen + 80);
|
|
pp_user_info(pp, "Author", sb, name, encoding);
|
|
}
|
|
if (skip_prefix(line, "committer ", &name) &&
|
|
(pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) {
|
|
strbuf_grow(sb, linelen + 80);
|
|
pp_user_info(pp, "Commit", sb, name, encoding);
|
|
}
|
|
}
|
|
}
|
|
|
|
void pp_title_line(struct pretty_print_context *pp,
|
|
const char **msg_p,
|
|
struct strbuf *sb,
|
|
const char *encoding,
|
|
int need_8bit_cte)
|
|
{
|
|
static const int max_length = 78; /* per rfc2047 */
|
|
struct strbuf title;
|
|
|
|
strbuf_init(&title, 80);
|
|
*msg_p = format_subject(&title, *msg_p,
|
|
pp->preserve_subject ? "\n" : " ");
|
|
|
|
strbuf_grow(sb, title.len + 1024);
|
|
if (pp->print_email_subject) {
|
|
if (pp->rev)
|
|
fmt_output_email_subject(sb, pp->rev);
|
|
if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT))
|
|
add_rfc2047(sb, title.buf, title.len,
|
|
encoding, RFC2047_SUBJECT);
|
|
else
|
|
strbuf_add_wrapped_bytes(sb, title.buf, title.len,
|
|
-last_line_length(sb), 1, max_length);
|
|
} else {
|
|
strbuf_addbuf(sb, &title);
|
|
}
|
|
strbuf_addch(sb, '\n');
|
|
|
|
if (need_8bit_cte == 0) {
|
|
int i;
|
|
for (i = 0; i < pp->in_body_headers.nr; i++) {
|
|
if (has_non_ascii(pp->in_body_headers.items[i].string)) {
|
|
need_8bit_cte = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (need_8bit_cte > 0) {
|
|
const char *header_fmt =
|
|
"MIME-Version: 1.0\n"
|
|
"Content-Type: text/plain; charset=%s\n"
|
|
"Content-Transfer-Encoding: 8bit\n";
|
|
strbuf_addf(sb, header_fmt, encoding);
|
|
}
|
|
if (pp->after_subject) {
|
|
strbuf_addstr(sb, pp->after_subject);
|
|
}
|
|
if (cmit_fmt_is_mail(pp->fmt)) {
|
|
strbuf_addch(sb, '\n');
|
|
}
|
|
|
|
if (pp->in_body_headers.nr) {
|
|
int i;
|
|
for (i = 0; i < pp->in_body_headers.nr; i++) {
|
|
strbuf_addstr(sb, pp->in_body_headers.items[i].string);
|
|
free(pp->in_body_headers.items[i].string);
|
|
}
|
|
string_list_clear(&pp->in_body_headers, 0);
|
|
strbuf_addch(sb, '\n');
|
|
}
|
|
|
|
strbuf_release(&title);
|
|
}
|
|
|
|
static int pp_utf8_width(const char *start, const char *end)
|
|
{
|
|
int width = 0;
|
|
size_t remain = end - start;
|
|
|
|
while (remain) {
|
|
int n = utf8_width(&start, &remain);
|
|
if (n < 0 || !start)
|
|
return -1;
|
|
width += n;
|
|
}
|
|
return width;
|
|
}
|
|
|
|
static void strbuf_add_tabexpand(struct strbuf *sb, int tabwidth,
|
|
const char *line, int linelen)
|
|
{
|
|
const char *tab;
|
|
|
|
while ((tab = memchr(line, '\t', linelen)) != NULL) {
|
|
int width = pp_utf8_width(line, tab);
|
|
|
|
/*
|
|
* If it wasn't well-formed utf8, or it
|
|
* had characters with badly defined
|
|
* width (control characters etc), just
|
|
* give up on trying to align things.
|
|
*/
|
|
if (width < 0)
|
|
break;
|
|
|
|
/* Output the data .. */
|
|
strbuf_add(sb, line, tab - line);
|
|
|
|
/* .. and the de-tabified tab */
|
|
strbuf_addchars(sb, ' ', tabwidth - (width % tabwidth));
|
|
|
|
/* Skip over the printed part .. */
|
|
linelen -= tab + 1 - line;
|
|
line = tab + 1;
|
|
}
|
|
|
|
/*
|
|
* Print out everything after the last tab without
|
|
* worrying about width - there's nothing more to
|
|
* align.
|
|
*/
|
|
strbuf_add(sb, line, linelen);
|
|
}
|
|
|
|
/*
|
|
* pp_handle_indent() prints out the intendation, and
|
|
* the whole line (without the final newline), after
|
|
* de-tabifying.
|
|
*/
|
|
static void pp_handle_indent(struct pretty_print_context *pp,
|
|
struct strbuf *sb, int indent,
|
|
const char *line, int linelen)
|
|
{
|
|
strbuf_addchars(sb, ' ', indent);
|
|
if (pp->expand_tabs_in_log)
|
|
strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, line, linelen);
|
|
else
|
|
strbuf_add(sb, line, linelen);
|
|
}
|
|
|
|
static int is_mboxrd_from(const char *line, int len)
|
|
{
|
|
/*
|
|
* a line matching /^From $/ here would only have len == 4
|
|
* at this point because is_empty_line would've trimmed all
|
|
* trailing space
|
|
*/
|
|
return len > 4 && starts_with(line + strspn(line, ">"), "From ");
|
|
}
|
|
|
|
void pp_remainder(struct pretty_print_context *pp,
|
|
const char **msg_p,
|
|
struct strbuf *sb,
|
|
int indent)
|
|
{
|
|
int first = 1;
|
|
for (;;) {
|
|
const char *line = *msg_p;
|
|
int linelen = get_one_line(line);
|
|
*msg_p += linelen;
|
|
|
|
if (!linelen)
|
|
break;
|
|
|
|
if (is_blank_line(line, &linelen)) {
|
|
if (first)
|
|
continue;
|
|
if (pp->fmt == CMIT_FMT_SHORT)
|
|
break;
|
|
}
|
|
first = 0;
|
|
|
|
strbuf_grow(sb, linelen + indent + 20);
|
|
if (indent)
|
|
pp_handle_indent(pp, sb, indent, line, linelen);
|
|
else if (pp->expand_tabs_in_log)
|
|
strbuf_add_tabexpand(sb, pp->expand_tabs_in_log,
|
|
line, linelen);
|
|
else {
|
|
if (pp->fmt == CMIT_FMT_MBOXRD &&
|
|
is_mboxrd_from(line, linelen))
|
|
strbuf_addch(sb, '>');
|
|
|
|
strbuf_add(sb, line, linelen);
|
|
}
|
|
strbuf_addch(sb, '\n');
|
|
}
|
|
}
|
|
|
|
void pretty_print_commit(struct pretty_print_context *pp,
|
|
const struct commit *commit,
|
|
struct strbuf *sb)
|
|
{
|
|
unsigned long beginning_of_body;
|
|
int indent = 4;
|
|
const char *msg;
|
|
const char *reencoded;
|
|
const char *encoding;
|
|
int need_8bit_cte = pp->need_8bit_cte;
|
|
|
|
if (pp->fmt == CMIT_FMT_USERFORMAT) {
|
|
format_commit_message(commit, user_format, sb, pp);
|
|
return;
|
|
}
|
|
|
|
encoding = get_log_output_encoding();
|
|
msg = reencoded = logmsg_reencode(commit, NULL, encoding);
|
|
|
|
if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt))
|
|
indent = 0;
|
|
|
|
/*
|
|
* We need to check and emit Content-type: to mark it
|
|
* as 8-bit if we haven't done so.
|
|
*/
|
|
if (cmit_fmt_is_mail(pp->fmt) && need_8bit_cte == 0) {
|
|
int i, ch, in_body;
|
|
|
|
for (in_body = i = 0; (ch = msg[i]); i++) {
|
|
if (!in_body) {
|
|
/* author could be non 7-bit ASCII but
|
|
* the log may be so; skip over the
|
|
* header part first.
|
|
*/
|
|
if (ch == '\n' && msg[i+1] == '\n')
|
|
in_body = 1;
|
|
}
|
|
else if (non_ascii(ch)) {
|
|
need_8bit_cte = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
pp_header(pp, encoding, commit, &msg, sb);
|
|
if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) {
|
|
strbuf_addch(sb, '\n');
|
|
}
|
|
|
|
/* Skip excess blank lines at the beginning of body, if any... */
|
|
msg = skip_blank_lines(msg);
|
|
|
|
/* These formats treat the title line specially. */
|
|
if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt))
|
|
pp_title_line(pp, &msg, sb, encoding, need_8bit_cte);
|
|
|
|
beginning_of_body = sb->len;
|
|
if (pp->fmt != CMIT_FMT_ONELINE)
|
|
pp_remainder(pp, &msg, sb, indent);
|
|
strbuf_rtrim(sb);
|
|
|
|
/* Make sure there is an EOLN for the non-oneline case */
|
|
if (pp->fmt != CMIT_FMT_ONELINE)
|
|
strbuf_addch(sb, '\n');
|
|
|
|
/*
|
|
* The caller may append additional body text in e-mail
|
|
* format. Make sure we did not strip the blank line
|
|
* between the header and the body.
|
|
*/
|
|
if (cmit_fmt_is_mail(pp->fmt) && sb->len <= beginning_of_body)
|
|
strbuf_addch(sb, '\n');
|
|
|
|
unuse_commit_buffer(commit, reencoded);
|
|
}
|
|
|
|
void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
|
|
struct strbuf *sb)
|
|
{
|
|
struct pretty_print_context pp = {0};
|
|
pp.fmt = fmt;
|
|
pretty_print_commit(&pp, commit, sb);
|
|
}
|