2006-04-21 19:27:34 +02:00
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/*
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* Builtin "git log" and related commands (show, whatchanged)
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*
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* (C) Copyright 2006 Linus Torvalds
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* 2006 Junio Hamano
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*/
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#include "cache.h"
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#include "commit.h"
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#include "diff.h"
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#include "revision.h"
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#include "log-tree.h"
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2006-04-21 22:19:58 +02:00
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#include "builtin.h"
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2006-04-21 19:27:34 +02:00
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2006-05-06 22:56:38 +02:00
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/* this is in builtin-diff.c */
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void add_head(struct rev_info *revs);
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2006-04-21 19:27:34 +02:00
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static int cmd_log_wc(int argc, const char **argv, char **envp,
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struct rev_info *rev)
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{
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struct commit *commit;
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rev->abbrev = DEFAULT_ABBREV;
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rev->commit_format = CMIT_FMT_DEFAULT;
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rev->verbose_header = 1;
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argc = setup_revisions(argc, argv, rev, "HEAD");
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2006-05-19 06:19:20 +02:00
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if (rev->always_show_header) {
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if (rev->diffopt.pickaxe || rev->diffopt.filter) {
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rev->always_show_header = 0;
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if (rev->diffopt.output_format == DIFF_FORMAT_RAW)
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rev->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
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}
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}
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2006-04-21 19:27:34 +02:00
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if (argc > 1)
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die("unrecognized argument: %s", argv[1]);
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prepare_revision_walk(rev);
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setup_pager();
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while ((commit = get_revision(rev)) != NULL) {
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log_tree_commit(rev, commit);
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free(commit->buffer);
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commit->buffer = NULL;
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2006-06-18 03:47:58 +02:00
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free_commit_list(commit->parents);
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commit->parents = NULL;
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2006-04-21 19:27:34 +02:00
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}
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return 0;
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}
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int cmd_whatchanged(int argc, const char **argv, char **envp)
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{
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struct rev_info rev;
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init_revisions(&rev);
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rev.diff = 1;
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rev.diffopt.recursive = 1;
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2006-06-11 19:57:35 +02:00
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rev.simplify_history = 0;
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2006-04-21 19:27:34 +02:00
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return cmd_log_wc(argc, argv, envp, &rev);
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}
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int cmd_show(int argc, const char **argv, char **envp)
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{
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struct rev_info rev;
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init_revisions(&rev);
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rev.diff = 1;
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rev.diffopt.recursive = 1;
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rev.combine_merges = 1;
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rev.dense_combined_merges = 1;
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rev.always_show_header = 1;
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rev.ignore_merges = 0;
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rev.no_walk = 1;
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return cmd_log_wc(argc, argv, envp, &rev);
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}
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int cmd_log(int argc, const char **argv, char **envp)
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{
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struct rev_info rev;
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init_revisions(&rev);
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rev.always_show_header = 1;
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rev.diffopt.recursive = 1;
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return cmd_log_wc(argc, argv, envp, &rev);
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}
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2006-04-21 22:19:58 +02:00
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2006-05-05 01:16:40 +02:00
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static int istitlechar(char c)
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{
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return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
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(c >= '0' && c <= '9') || c == '.' || c == '_';
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}
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2006-06-02 15:21:17 +02:00
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static char *extra_headers = NULL;
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static int extra_headers_size = 0;
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static int git_format_config(const char *var, const char *value)
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{
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if (!strcmp(var, "format.headers")) {
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int len = strlen(value);
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extra_headers_size += len + 1;
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extra_headers = realloc(extra_headers, extra_headers_size);
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extra_headers[extra_headers_size - len - 1] = 0;
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strcat(extra_headers, value);
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return 0;
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}
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return git_default_config(var, value);
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}
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2006-05-05 03:33:05 +02:00
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static FILE *realstdout = NULL;
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2006-06-06 17:46:23 +02:00
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static const char *output_directory = NULL;
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2006-05-05 03:33:05 +02:00
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2006-05-05 04:31:29 +02:00
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static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
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2006-05-05 01:16:40 +02:00
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{
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char filename[1024];
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char *sol;
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2006-05-05 03:33:32 +02:00
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int len = 0;
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2006-05-05 01:16:40 +02:00
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2006-05-05 03:33:32 +02:00
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if (output_directory) {
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2006-06-11 14:03:28 +02:00
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safe_strncpy(filename, output_directory, 1010);
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2006-05-05 03:33:32 +02:00
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len = strlen(filename);
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if (filename[len - 1] != '/')
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filename[len++] = '/';
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}
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2006-05-05 01:16:40 +02:00
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2006-05-05 03:33:32 +02:00
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sprintf(filename + len, "%04d", nr);
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2006-05-05 01:16:40 +02:00
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len = strlen(filename);
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sol = strstr(commit->buffer, "\n\n");
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if (sol) {
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int j, space = 1;
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sol += 2;
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/* strip [PATCH] or [PATCH blabla] */
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2006-05-05 04:31:29 +02:00
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if (!keep_subject && !strncmp(sol, "[PATCH", 6)) {
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2006-05-05 01:16:40 +02:00
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char *eos = strchr(sol + 6, ']');
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if (eos) {
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while (isspace(*eos))
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eos++;
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sol = eos;
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}
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}
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for (j = 0; len < 1024 - 6 && sol[j] && sol[j] != '\n'; j++) {
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if (istitlechar(sol[j])) {
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if (space) {
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filename[len++] = '-';
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space = 0;
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}
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filename[len++] = sol[j];
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if (sol[j] == '.')
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while (sol[j + 1] == '.')
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j++;
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} else
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space = 1;
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}
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while (filename[len - 1] == '.' || filename[len - 1] == '-')
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len--;
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}
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strcpy(filename + len, ".txt");
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2006-05-05 03:33:05 +02:00
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fprintf(realstdout, "%s\n", filename);
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2006-05-05 01:16:40 +02:00
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freopen(filename, "w", stdout);
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}
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2006-04-21 22:19:58 +02:00
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int cmd_format_patch(int argc, const char **argv, char **envp)
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{
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struct commit *commit;
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struct commit **list = NULL;
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struct rev_info rev;
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2006-05-05 03:33:32 +02:00
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int nr = 0, total, i, j;
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2006-05-05 01:16:40 +02:00
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int use_stdout = 0;
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2006-05-05 04:30:52 +02:00
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int numbered = 0;
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2006-05-25 23:55:11 +02:00
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int start_number = -1;
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2006-05-05 04:31:29 +02:00
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int keep_subject = 0;
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2006-06-01 00:11:49 +02:00
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char *add_signoff = NULL;
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2006-04-21 22:19:58 +02:00
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init_revisions(&rev);
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rev.commit_format = CMIT_FMT_EMAIL;
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rev.verbose_header = 1;
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rev.diff = 1;
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rev.diffopt.with_raw = 0;
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rev.diffopt.with_stat = 1;
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rev.combine_merges = 0;
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rev.ignore_merges = 1;
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rev.diffopt.output_format = DIFF_FORMAT_PATCH;
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2006-06-02 15:21:17 +02:00
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git_config(git_format_config);
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rev.extra_headers = extra_headers;
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2006-05-05 03:33:32 +02:00
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/*
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* Parse the arguments before setup_revisions(), or something
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* like "git fmt-patch -o a123 HEAD^.." may fail; a123 is
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* possibly a valid SHA1.
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*/
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for (i = 1, j = 1; i < argc; i++) {
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if (!strcmp(argv[i], "--stdout"))
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2006-05-05 01:16:40 +02:00
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use_stdout = 1;
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2006-05-05 04:30:52 +02:00
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else if (!strcmp(argv[i], "-n") ||
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!strcmp(argv[i], "--numbered"))
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numbered = 1;
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2006-05-25 23:55:11 +02:00
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else if (!strncmp(argv[i], "--start-number=", 15))
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start_number = strtol(argv[i] + 15, NULL, 10);
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else if (!strcmp(argv[i], "--start-number")) {
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i++;
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if (i == argc)
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die("Need a number for --start-number");
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start_number = strtol(argv[i], NULL, 10);
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2006-06-01 00:11:49 +02:00
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}
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else if (!strcmp(argv[i], "-k") ||
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2006-05-05 04:31:29 +02:00
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!strcmp(argv[i], "--keep-subject")) {
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keep_subject = 1;
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rev.total = -1;
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2006-06-01 00:11:49 +02:00
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}
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2006-06-06 17:46:23 +02:00
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else if (!strcmp(argv[i], "--output-directory") ||
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!strcmp(argv[i], "-o")) {
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2006-05-05 03:33:32 +02:00
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i++;
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2006-06-06 17:46:23 +02:00
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if (argc <= i)
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die("Which directory?");
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if (output_directory)
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die("Two output directories?");
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output_directory = argv[i];
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2006-05-20 15:40:29 +02:00
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}
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2006-06-01 00:11:49 +02:00
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else if (!strcmp(argv[i], "--signoff") ||
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!strcmp(argv[i], "-s")) {
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2006-06-12 21:31:38 +02:00
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const char *committer;
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const char *endpos;
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setup_ident();
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committer = git_committer_info(1);
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endpos = strchr(committer, '>');
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2006-06-01 00:11:49 +02:00
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if (!endpos)
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die("bogos committer info %s\n", committer);
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add_signoff = xmalloc(endpos - committer + 2);
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memcpy(add_signoff, committer, endpos - committer + 1);
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add_signoff[endpos - committer + 1] = 0;
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}
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2006-05-20 15:40:29 +02:00
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else if (!strcmp(argv[i], "--attach"))
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rev.mime_boundary = git_version_string;
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else if (!strncmp(argv[i], "--attach=", 9))
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rev.mime_boundary = argv[i] + 9;
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else
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2006-05-05 03:33:32 +02:00
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argv[j++] = argv[i];
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2006-05-05 01:16:40 +02:00
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}
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2006-05-05 03:33:32 +02:00
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argc = j;
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2006-05-26 20:30:49 +02:00
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if (start_number < 0)
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2006-05-25 23:55:11 +02:00
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start_number = 1;
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2006-05-28 18:23:29 +02:00
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if (numbered && keep_subject)
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2006-05-05 04:31:29 +02:00
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die ("-n and -k are mutually exclusive.");
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2006-05-05 03:33:32 +02:00
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argc = setup_revisions(argc, argv, &rev, "HEAD");
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if (argc > 1)
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die ("unrecognized argument: %s", argv[1]);
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2006-05-05 01:16:40 +02:00
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2006-06-06 17:46:23 +02:00
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if (output_directory) {
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if (use_stdout)
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die("standard output, or directory, which one?");
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if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
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die("Could not create directory %s",
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output_directory);
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}
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2006-05-06 22:56:38 +02:00
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if (rev.pending_objects && rev.pending_objects->next == NULL) {
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rev.pending_objects->item->flags |= UNINTERESTING;
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add_head(&rev);
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}
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2006-05-05 03:33:05 +02:00
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if (!use_stdout)
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realstdout = fdopen(dup(1), "w");
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2006-04-21 22:19:58 +02:00
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prepare_revision_walk(&rev);
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while ((commit = get_revision(&rev)) != NULL) {
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2006-05-05 01:16:40 +02:00
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/* ignore merges */
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if (commit->parents && commit->parents->next)
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continue;
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2006-04-21 22:19:58 +02:00
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nr++;
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list = realloc(list, nr * sizeof(list[0]));
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list[nr - 1] = commit;
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}
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2006-05-05 01:16:40 +02:00
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total = nr;
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2006-05-05 04:30:52 +02:00
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if (numbered)
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2006-05-25 23:55:11 +02:00
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rev.total = total + start_number - 1;
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2006-06-01 00:11:49 +02:00
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rev.add_signoff = add_signoff;
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2006-04-21 22:19:58 +02:00
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while (0 <= --nr) {
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int shown;
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commit = list[nr];
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2006-05-26 20:30:49 +02:00
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rev.nr = total - nr + (start_number - 1);
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2006-05-05 01:16:40 +02:00
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if (!use_stdout)
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2006-05-05 04:31:29 +02:00
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reopen_stdout(commit, rev.nr, keep_subject);
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2006-04-21 22:19:58 +02:00
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shown = log_tree_commit(&rev, commit);
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free(commit->buffer);
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commit->buffer = NULL;
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2006-05-26 20:30:49 +02:00
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/* We put one extra blank line between formatted
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* patches and this flag is used by log-tree code
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* to see if it needs to emit a LF before showing
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* the log; when using one file per patch, we do
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* not want the extra blank line.
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*/
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if (!use_stdout)
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rev.shown_one = 0;
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2006-05-20 15:40:29 +02:00
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if (shown) {
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if (rev.mime_boundary)
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printf("\n--%s%s--\n\n\n",
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mime_boundary_leader,
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rev.mime_boundary);
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else
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printf("-- \n%s\n\n", git_version_string);
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}
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2006-05-05 01:16:40 +02:00
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if (!use_stdout)
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fclose(stdout);
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2006-04-21 22:19:58 +02:00
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}
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free(list);
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return 0;
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}
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