#include "string-list.h"
#include "run-command.h"
#include "commit.h"
-#include "tempfile.h"
#include "trailer.h"
#include "list.h"
/*
return '\0';
}
-static void print_tok_val(FILE *outfile, const char *tok, const char *val)
+static void print_tok_val(struct strbuf *out, const char *tok, const char *val)
{
char c;
if (!tok) {
- fprintf(outfile, "%s\n", val);
+ strbuf_addf(out, "%s\n", val);
return;
}
if (!c)
return;
if (strchr(separators, c))
- fprintf(outfile, "%s%s\n", tok, val);
+ strbuf_addf(out, "%s%s\n", tok, val);
else
- fprintf(outfile, "%s%c %s\n", tok, separators[0], val);
+ strbuf_addf(out, "%s%c %s\n", tok, separators[0], val);
}
-static void print_all(FILE *outfile, struct list_head *head,
- const struct process_trailer_options *opts)
+void format_trailers(const struct process_trailer_options *opts,
+ struct list_head *trailers,
+ struct strbuf *out)
{
struct list_head *pos;
struct trailer_item *item;
- list_for_each(pos, head) {
+ list_for_each(pos, trailers) {
item = list_entry(pos, struct trailer_item, list);
if ((!opts->trim_empty || strlen(item->value) > 0) &&
(!opts->only_trailers || item->token))
- print_tok_val(outfile, item->token, item->value);
+ print_tok_val(out, item->token, item->value);
}
}
return 0;
}
-static void process_trailers_lists(struct list_head *head,
- struct list_head *arg_head)
+void process_trailers_lists(struct list_head *head,
+ struct list_head *arg_head)
{
struct list_head *pos, *p;
struct arg_item *arg_tok;
warning(_("unknown value '%s' for key '%s'"),
value, conf_key);
} else if (!strcmp(trailer_item, "separators")) {
+ if (!value)
+ return config_error_nonbool(conf_key);
separators = xstrdup(value);
}
}
case TRAILER_KEY:
if (conf->key)
warning(_("more than one %s"), conf_key);
+ if (!value)
+ return config_error_nonbool(conf_key);
conf->key = xstrdup(value);
break;
case TRAILER_COMMAND:
if (conf->command)
warning(_("more than one %s"), conf_key);
+ if (!value)
+ return config_error_nonbool(conf_key);
conf->command = xstrdup(value);
break;
case TRAILER_CMD:
if (conf->cmd)
warning(_("more than one %s"), conf_key);
+ if (!value)
+ return config_error_nonbool(conf_key);
conf->cmd = xstrdup(value);
break;
case TRAILER_WHERE:
return 0;
}
-static void ensure_configured(void)
+void trailer_config_init(void)
{
if (configured)
return;
list_add_tail(&new_item->list, arg_head);
}
-static void parse_trailers_from_config(struct list_head *config_head)
+void parse_trailers_from_config(struct list_head *config_head)
{
struct arg_item *item;
struct list_head *pos;
}
}
-static void parse_trailers_from_command_line_args(struct list_head *arg_head,
- struct list_head *new_trailer_head)
+void parse_trailers_from_command_line_args(struct list_head *arg_head,
+ struct list_head *new_trailer_head)
{
struct strbuf tok = STRBUF_INIT;
struct strbuf val = STRBUF_INIT;
free(cl_separators);
}
-static void read_input_file(struct strbuf *sb, const char *file)
-{
- if (file) {
- if (strbuf_read_file(sb, file, 0) < 0)
- die_errno(_("could not read input file '%s'"), file);
- } else {
- if (strbuf_read(sb, fileno(stdin), 0) < 0)
- die_errno(_("could not read from stdin"));
- }
-}
-
static const char *next_line(const char *str)
{
const char *nl = strchrnul(str, '\n');
}
/*
- * Return the position of the start of the patch or the length of str if there
- * is no patch in the message.
+ * Find the end of the log message as an offset from the start of the input
+ * (where callers of this function are interested in looking for a trailers
+ * block in the same input). We have to consider two categories of content that
+ * can come at the end of the input which we want to ignore (because they don't
+ * belong in the log message):
+ *
+ * (1) the "patch part" which begins with a "---" divider and has patch
+ * information (like the output of git-format-patch), and
+ *
+ * (2) any trailing comment lines, blank lines like in the output of "git
+ * commit -v", or stuff below the "cut" (scissor) line.
+ *
+ * As a formula, the situation looks like this:
+ *
+ * INPUT = LOG MESSAGE + IGNORED
+ *
+ * where IGNORED can be either of the two categories described above. It may be
+ * that there is nothing to ignore. Now it may be the case that the LOG MESSAGE
+ * contains a trailer block, but that's not the concern of this function.
*/
-static size_t find_patch_start(const char *str)
+static size_t find_end_of_log_message(const char *input, int no_divider)
{
+ size_t end;
const char *s;
- for (s = str; *s; s = next_line(s)) {
+ /* Assume the naive end of the input is already what we want. */
+ end = strlen(input);
+
+ if (no_divider)
+ return end;
+
+ /* Optionally skip over any patch part ("---" line and below). */
+ for (s = input; *s; s = next_line(s)) {
const char *v;
- if (skip_prefix(s, "---", &v) && isspace(*v))
- return s - str;
+ if (skip_prefix(s, "---", &v) && isspace(*v)) {
+ end = s - input;
+ break;
+ }
}
- return s - str;
+ /* Skip over other ignorable bits. */
+ return end - ignored_log_message_bytes(input, end);
}
/*
* Return the position of the first trailer line or len if there are no
* trailers.
*/
-static size_t find_trailer_start(const char *buf, size_t len)
+static size_t find_trailer_block_start(const char *buf, size_t len)
{
const char *s;
ssize_t end_of_title, l;
return len;
}
-/* Return the position of the end of the trailers. */
-static size_t find_trailer_end(const char *buf, size_t len)
-{
- return len - ignore_non_trailer(buf, len);
-}
-
static int ends_with_blank_line(const char *buf, size_t len)
{
ssize_t ll = last_line(buf, len);
* Parse trailers in "str", populating the trailer info and "head"
* linked list structure.
*/
-static void parse_trailers(struct trailer_info *info,
- const char *str,
- struct list_head *head,
- const struct process_trailer_options *opts)
+void parse_trailers(const struct process_trailer_options *opts,
+ struct trailer_info *info,
+ const char *str,
+ struct list_head *head)
{
struct strbuf tok = STRBUF_INIT;
struct strbuf val = STRBUF_INIT;
size_t i;
- trailer_info_get(info, str, opts);
+ trailer_info_get(opts, str, info);
for (i = 0; i < info->trailer_nr; i++) {
int separator_pos;
}
}
-static void free_all(struct list_head *head)
+void free_trailers(struct list_head *trailers)
{
struct list_head *pos, *p;
- list_for_each_safe(pos, p, head) {
+ list_for_each_safe(pos, p, trailers) {
list_del(pos);
free_trailer_item(list_entry(pos, struct trailer_item, list));
}
}
-static struct tempfile *trailers_tempfile;
-
-static FILE *create_in_place_tempfile(const char *file)
-{
- struct stat st;
- struct strbuf filename_template = STRBUF_INIT;
- const char *tail;
- FILE *outfile;
-
- if (stat(file, &st))
- die_errno(_("could not stat %s"), file);
- if (!S_ISREG(st.st_mode))
- die(_("file %s is not a regular file"), file);
- if (!(st.st_mode & S_IWUSR))
- die(_("file %s is not writable by user"), file);
-
- /* Create temporary file in the same directory as the original */
- tail = strrchr(file, '/');
- if (tail)
- strbuf_add(&filename_template, file, tail - file + 1);
- strbuf_addstr(&filename_template, "git-interpret-trailers-XXXXXX");
-
- trailers_tempfile = xmks_tempfile_m(filename_template.buf, st.st_mode);
- strbuf_release(&filename_template);
- outfile = fdopen_tempfile(trailers_tempfile, "w");
- if (!outfile)
- die_errno(_("could not open temporary file"));
-
- return outfile;
-}
-
-void process_trailers(const char *file,
- const struct process_trailer_options *opts,
- struct list_head *new_trailer_head)
-{
- LIST_HEAD(head);
- struct strbuf sb = STRBUF_INIT;
- struct trailer_info info;
- size_t trailer_end;
- FILE *outfile = stdout;
-
- ensure_configured();
-
- read_input_file(&sb, file);
-
- if (opts->in_place)
- outfile = create_in_place_tempfile(file);
-
- parse_trailers(&info, sb.buf, &head, opts);
- trailer_end = info.trailer_end - sb.buf;
-
- /* Print the lines before the trailers */
- if (!opts->only_trailers)
- fwrite(sb.buf, 1, info.trailer_start - sb.buf, outfile);
-
- if (!opts->only_trailers && !info.blank_line_before_trailer)
- fprintf(outfile, "\n");
-
-
- if (!opts->only_input) {
- LIST_HEAD(config_head);
- LIST_HEAD(arg_head);
- parse_trailers_from_config(&config_head);
- parse_trailers_from_command_line_args(&arg_head, new_trailer_head);
- list_splice(&config_head, &arg_head);
- process_trailers_lists(&head, &arg_head);
- }
-
- print_all(outfile, &head, opts);
-
- free_all(&head);
- trailer_info_release(&info);
-
- /* Print the lines after the trailers as is */
- if (!opts->only_trailers)
- fwrite(sb.buf + trailer_end, 1, sb.len - trailer_end, outfile);
-
- if (opts->in_place)
- if (rename_tempfile(&trailers_tempfile, file))
- die_errno(_("could not rename temporary file to %s"), file);
-
- strbuf_release(&sb);
-}
-
-void trailer_info_get(struct trailer_info *info, const char *str,
- const struct process_trailer_options *opts)
+void trailer_info_get(const struct process_trailer_options *opts,
+ const char *str,
+ struct trailer_info *info)
{
- int patch_start, trailer_end, trailer_start;
+ size_t end_of_log_message = 0, trailer_block_start = 0;
struct strbuf **trailer_lines, **ptr;
char **trailer_strings = NULL;
size_t nr = 0, alloc = 0;
char **last = NULL;
- ensure_configured();
+ trailer_config_init();
- if (opts->no_divider)
- patch_start = strlen(str);
- else
- patch_start = find_patch_start(str);
+ end_of_log_message = find_end_of_log_message(str, opts->no_divider);
+ trailer_block_start = find_trailer_block_start(str, end_of_log_message);
- trailer_end = find_trailer_end(str, patch_start);
- trailer_start = find_trailer_start(str, trailer_end);
-
- trailer_lines = strbuf_split_buf(str + trailer_start,
- trailer_end - trailer_start,
+ trailer_lines = strbuf_split_buf(str + trailer_block_start,
+ end_of_log_message - trailer_block_start,
'\n',
0);
for (ptr = trailer_lines; *ptr; ptr++) {
strbuf_list_free(trailer_lines);
info->blank_line_before_trailer = ends_with_blank_line(str,
- trailer_start);
- info->trailer_start = str + trailer_start;
- info->trailer_end = str + trailer_end;
+ trailer_block_start);
+ info->trailer_block_start = trailer_block_start;
+ info->trailer_block_end = end_of_log_message;
info->trailers = trailer_strings;
info->trailer_nr = nr;
}
free(info->trailers);
}
-static void format_trailer_info(struct strbuf *out,
+static void format_trailer_info(const struct process_trailer_options *opts,
const struct trailer_info *info,
- const struct process_trailer_options *opts)
+ struct strbuf *out)
{
size_t origlen = out->len;
size_t i;
- /* If we want the whole block untouched, we can take the fast path. */
- if (!opts->only_trailers && !opts->unfold && !opts->filter &&
- !opts->separator && !opts->key_only && !opts->value_only &&
- !opts->key_value_separator) {
- strbuf_add(out, info->trailer_start,
- info->trailer_end - info->trailer_start);
- return;
- }
-
for (i = 0; i < info->trailer_nr; i++) {
char *trailer = info->trailers[i];
ssize_t separator_pos = find_separator(trailer, separators);
}
-void format_trailers_from_commit(struct strbuf *out, const char *msg,
- const struct process_trailer_options *opts)
+void format_trailers_from_commit(const struct process_trailer_options *opts,
+ const char *msg,
+ struct strbuf *out)
{
struct trailer_info info;
- trailer_info_get(&info, msg, opts);
- format_trailer_info(out, &info, opts);
+ trailer_info_get(opts, msg, &info);
+ /* If we want the whole block untouched, we can take the fast path. */
+ if (!opts->only_trailers && !opts->unfold && !opts->filter &&
+ !opts->separator && !opts->key_only && !opts->value_only &&
+ !opts->key_value_separator) {
+ strbuf_add(out, msg + info.trailer_block_start,
+ info.trailer_block_end - info.trailer_block_start);
+ } else
+ format_trailer_info(opts, &info, out);
+
trailer_info_release(&info);
}
strbuf_init(&iter->key, 0);
strbuf_init(&iter->val, 0);
opts.no_divider = 1;
- trailer_info_get(&iter->internal.info, msg, &opts);
+ trailer_info_get(&opts, msg, &iter->internal.info);
iter->internal.cur = 0;
}
strbuf_reset(&iter->val);
parse_trailer(&iter->key, &iter->val, NULL,
trailer, separator_pos);
+ /* Always unfold values during iteration. */
unfold_value(&iter->val);
return 1;
}
projects / thirdparty / git.git / blobdiff