diff options
Diffstat (limited to 'builtin/log.c')
| -rw-r--r-- | builtin/log.c | 496 |
1 files changed, 378 insertions, 118 deletions
diff --git a/builtin/log.c b/builtin/log.c index 4f678136d1..e6cab12018 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -5,6 +5,7 @@ * 2006 Junio Hamano */ #include "cache.h" +#include "refs.h" #include "color.h" #include "commit.h" #include "diff.h" @@ -31,6 +32,8 @@ static const char *default_date_mode = NULL; static int default_abbrev_commit; static int default_show_root = 1; +static int default_follow; +static int default_show_signature; static int decoration_style; static int decoration_given; static int use_mailmap_config; @@ -38,8 +41,8 @@ static const char *fmt_patch_subject_prefix = "PATCH"; static const char *fmt_pretty; static const char * const builtin_log_usage[] = { - N_("git log [<options>] [<revision range>] [[--] <path>...]\n") - N_(" or: git show [options] <object>..."), + N_("git log [<options>] [<revision-range>] [[--] <path>...]"), + N_("git show [<options>] <object>..."), NULL }; @@ -63,6 +66,8 @@ static int parse_decoration_style(const char *var, const char *value) return DECORATE_FULL_REFS; else if (!strcmp(value, "short")) return DECORATE_SHORT_REFS; + else if (!strcmp(value, "auto")) + return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0; return -1; } @@ -76,7 +81,7 @@ static int decorate_callback(const struct option *opt, const char *arg, int unse decoration_style = DECORATE_SHORT_REFS; if (decoration_style < 0) - die("invalid --decorate option: %s", arg); + die(_("invalid --decorate option: %s"), arg); decoration_given = 1; @@ -96,10 +101,18 @@ static int log_line_range_callback(const struct option *option, const char *arg, return 0; } +static void init_log_defaults(void) +{ + init_grep_defaults(); + init_diff_ui_defaults(); +} + static void cmd_log_init_defaults(struct rev_info *rev) { if (fmt_pretty) get_commit_format(fmt_pretty, rev); + if (default_follow) + DIFF_OPT_SET(&rev->diffopt, DEFAULT_FOLLOW_RENAMES); rev->verbose_header = 1; DIFF_OPT_SET(&rev->diffopt, RECURSIVE); rev->diffopt.stat_width = -1; /* use full terminal width */ @@ -107,10 +120,11 @@ static void cmd_log_init_defaults(struct rev_info *rev) rev->abbrev_commit = default_abbrev_commit; rev->show_root_diff = default_show_root; rev->subject_prefix = fmt_patch_subject_prefix; + rev->show_signature = default_show_signature; DIFF_OPT_SET(&rev->diffopt, ALLOW_TEXTCONV); if (default_date_mode) - rev->date_mode = parse_date_format(default_date_mode); + parse_date_format(default_date_mode, &rev->date_mode); rev->diffopt.touched_flags = 0; } @@ -128,7 +142,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, { OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"), PARSE_OPT_OPTARG, decorate_callback}, OPT_CALLBACK('L', NULL, &line_cb, "n,m:file", - "Process line range n,m in file, counting from 1", + N_("Process line range n,m in file, counting from 1"), log_line_range_callback), OPT_END() }; @@ -148,7 +162,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, /* Any arguments at this point are not recognized */ if (argc > 1) - die("unrecognized argument: %s", argv[1]); + die(_("unrecognized argument: %s"), argv[1]); memset(&w, 0, sizeof(w)); userformat_find_requirements(NULL, &w); @@ -224,16 +238,17 @@ static void show_early_header(struct rev_info *rev, const char *stage, int nr) if (rev->commit_format != CMIT_FMT_ONELINE) putchar(rev->diffopt.line_termination); } - printf(_("Final output: %d %s\n"), nr, stage); + fprintf(rev->diffopt.file, _("Final output: %d %s\n"), nr, stage); } static struct itimerval early_output_timer; static void log_show_early(struct rev_info *revs, struct commit_list *list) { - int i = revs->early_output; + int i = revs->early_output, close_file = revs->diffopt.close_file; int show_header = 1; + revs->diffopt.close_file = 0; sort_in_topological_order(&list, revs->sort_order); while (list && i) { struct commit *commit = list->item; @@ -250,14 +265,19 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list) case commit_ignore: break; case commit_error: + if (close_file) + fclose(revs->diffopt.file); return; } list = list->next; } /* Did we already get enough commits for the early output? */ - if (!i) + if (!i) { + if (close_file) + fclose(revs->diffopt.file); return; + } /* * ..if no, then repeat it twice a second until we @@ -319,7 +339,7 @@ static int cmd_log_walk(struct rev_info *rev) { struct commit *commit; int saved_nrl = 0; - int saved_dcctc = 0; + int saved_dcctc = 0, close_file = rev->diffopt.close_file; if (rev->early_output) setup_early_output(rev); @@ -335,9 +355,9 @@ static int cmd_log_walk(struct rev_info *rev) * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to * retain that state information if replacing rev->diffopt in this loop */ + rev->diffopt.close_file = 0; while ((commit = get_revision(rev)) != NULL) { - if (!log_tree_commit(rev, commit) && - rev->max_count >= 0) + if (!log_tree_commit(rev, commit) && rev->max_count >= 0) /* * We decremented max_count in get_revision, * but we didn't actually show the commit. @@ -356,6 +376,8 @@ static int cmd_log_walk(struct rev_info *rev) } rev->diffopt.degraded_cc_to_c = saved_dcctc; rev->diffopt.needed_rename_limit = saved_nrl; + if (close_file) + fclose(rev->diffopt.file); if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF && DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) { @@ -366,6 +388,8 @@ static int cmd_log_walk(struct rev_info *rev) static int git_log_config(const char *var, const char *value, void *cb) { + const char *slot_name; + if (!strcmp(var, "format.pretty")) return git_config_string(&fmt_pretty, var, value); if (!strcmp(var, "format.subjectprefix")) @@ -386,12 +410,20 @@ static int git_log_config(const char *var, const char *value, void *cb) default_show_root = git_config_bool(var, value); return 0; } - if (starts_with(var, "color.decorate.")) - return parse_decorate_color_config(var, 15, value); + if (!strcmp(var, "log.follow")) { + default_follow = git_config_bool(var, value); + return 0; + } + if (skip_prefix(var, "color.decorate.", &slot_name)) + return parse_decorate_color_config(var, slot_name, value); if (!strcmp(var, "log.mailmap")) { use_mailmap_config = git_config_bool(var, value); return 0; } + if (!strcmp(var, "log.showsignature")) { + default_show_signature = git_config_bool(var, value); + return 0; + } if (grep_config(var, value, cb) < 0) return -1; @@ -405,7 +437,7 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix) struct rev_info rev; struct setup_revision_opt opt; - init_grep_defaults(); + init_log_defaults(); git_config(git_log_config, NULL); init_revisions(&rev, prefix); @@ -428,44 +460,44 @@ static void show_tagger(char *buf, int len, struct rev_info *rev) pp.fmt = rev->commit_format; pp.date_mode = rev->date_mode; pp_user_info(&pp, "Tagger", &out, buf, get_log_output_encoding()); - printf("%s", out.buf); + fprintf(rev->diffopt.file, "%s", out.buf); strbuf_release(&out); } -static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, const char *obj_name) +static int show_blob_object(const struct object_id *oid, struct rev_info *rev, const char *obj_name) { - unsigned char sha1c[20]; + struct object_id oidc; struct object_context obj_context; char *buf; unsigned long size; - fflush(stdout); + fflush(rev->diffopt.file); if (!DIFF_OPT_TOUCHED(&rev->diffopt, ALLOW_TEXTCONV) || !DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV)) - return stream_blob_to_fd(1, sha1, NULL, 0); + return stream_blob_to_fd(1, oid, NULL, 0); - if (get_sha1_with_context(obj_name, 0, sha1c, &obj_context)) - die("Not a valid object name %s", obj_name); + if (get_sha1_with_context(obj_name, 0, oidc.hash, &obj_context)) + die(_("Not a valid object name %s"), obj_name); if (!obj_context.path[0] || - !textconv_object(obj_context.path, obj_context.mode, sha1c, 1, &buf, &size)) - return stream_blob_to_fd(1, sha1, NULL, 0); + !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size)) + return stream_blob_to_fd(1, oid, NULL, 0); if (!buf) - die("git show %s: bad file", obj_name); + die(_("git show %s: bad file"), obj_name); write_or_die(1, buf, size); return 0; } -static int show_tag_object(const unsigned char *sha1, struct rev_info *rev) +static int show_tag_object(const struct object_id *oid, struct rev_info *rev) { unsigned long size; enum object_type type; - char *buf = read_sha1_file(sha1, &type, &size); + char *buf = read_sha1_file(oid->hash, &type, &size); int offset = 0; if (!buf) - return error(_("Could not read object %s"), sha1_to_hex(sha1)); + return error(_("Could not read object %s"), oid_to_hex(oid)); assert(type == OBJ_TAG); while (offset < size && buf[offset] != '\n') { @@ -479,20 +511,22 @@ static int show_tag_object(const unsigned char *sha1, struct rev_info *rev) } if (offset < size) - fwrite(buf + offset, size - offset, 1, stdout); + fwrite(buf + offset, size - offset, 1, rev->diffopt.file); free(buf); return 0; } static int show_tree_object(const unsigned char *sha1, - const char *base, int baselen, + struct strbuf *base, const char *pathname, unsigned mode, int stage, void *context) { - printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : ""); + FILE *file = context; + fprintf(file, "%s%s\n", pathname, S_ISDIR(mode) ? "/" : ""); return 0; } -static void show_rev_tweak_rev(struct rev_info *rev, struct setup_revision_opt *opt) +static void show_setup_revisions_tweak(struct rev_info *rev, + struct setup_revision_opt *opt) { if (rev->ignore_merges) { /* There was no "-m" on the command line */ @@ -515,7 +549,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) struct pathspec match_all; int i, count, ret = 0; - init_grep_defaults(); + init_log_defaults(); git_config(git_log_config, NULL); memset(&match_all, 0, sizeof(match_all)); @@ -527,7 +561,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) memset(&opt, 0, sizeof(opt)); opt.def = "HEAD"; - opt.tweak = show_rev_tweak_rev; + opt.tweak = show_setup_revisions_tweak; cmd_log_init(argc, argv, prefix, &rev, &opt); if (!rev.no_walk) @@ -540,25 +574,25 @@ int cmd_show(int argc, const char **argv, const char *prefix) const char *name = objects[i].name; switch (o->type) { case OBJ_BLOB: - ret = show_blob_object(o->sha1, &rev, name); + ret = show_blob_object(&o->oid, &rev, name); break; case OBJ_TAG: { struct tag *t = (struct tag *)o; if (rev.shown_one) putchar('\n'); - printf("%stag %s%s\n", + fprintf(rev.diffopt.file, "%stag %s%s\n", diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), t->tag, diff_get_color_opt(&rev.diffopt, DIFF_RESET)); - ret = show_tag_object(o->sha1, &rev); + ret = show_tag_object(&o->oid, &rev); rev.shown_one = 1; if (ret) break; - o = parse_object(t->tagged->sha1); + o = parse_object(t->tagged->oid.hash); if (!o) ret = error(_("Could not read object %s"), - sha1_to_hex(t->tagged->sha1)); + oid_to_hex(&t->tagged->oid)); objects[i].item = o; i--; break; @@ -566,12 +600,12 @@ int cmd_show(int argc, const char **argv, const char *prefix) case OBJ_TREE: if (rev.shown_one) putchar('\n'); - printf("%stree %s%s\n\n", + fprintf(rev.diffopt.file, "%stree %s%s\n\n", diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), name, diff_get_color_opt(&rev.diffopt, DIFF_RESET)); read_tree_recursive((struct tree *)o, "", 0, 0, &match_all, - show_tree_object, NULL); + show_tree_object, rev.diffopt.file); rev.shown_one = 1; break; case OBJ_COMMIT: @@ -596,7 +630,7 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix) struct rev_info rev; struct setup_revision_opt opt; - init_grep_defaults(); + init_log_defaults(); git_config(git_log_config, NULL); init_revisions(&rev, prefix); @@ -614,12 +648,28 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix) return cmd_log_walk(&rev); } +static void log_setup_revisions_tweak(struct rev_info *rev, + struct setup_revision_opt *opt) +{ + if (DIFF_OPT_TST(&rev->diffopt, DEFAULT_FOLLOW_RENAMES) && + rev->prune_data.nr == 1) + DIFF_OPT_SET(&rev->diffopt, FOLLOW_RENAMES); + + /* Turn --cc/-c into -p --cc/-c when -p was not given */ + if (!rev->diffopt.output_format && rev->combine_merges) + rev->diffopt.output_format = DIFF_FORMAT_PATCH; + + /* Turn -m on when --cc/-c was given */ + if (rev->combine_merges) + rev->ignore_merges = 0; +} + int cmd_log(int argc, const char **argv, const char *prefix) { struct rev_info rev; struct setup_revision_opt opt; - init_grep_defaults(); + init_log_defaults(); git_config(git_log_config, NULL); init_revisions(&rev, prefix); @@ -627,6 +677,7 @@ int cmd_log(int argc, const char **argv, const char *prefix) memset(&opt, 0, sizeof(opt)); opt.def = "HEAD"; opt.revarg_opt = REVARG_COMMITTISH; + opt.tweak = log_setup_revisions_tweak; cmd_log_init(argc, argv, prefix, &rev, &opt); return cmd_log_walk(&rev); } @@ -639,9 +690,9 @@ static int auto_number = 1; static char *default_attach = NULL; -static struct string_list extra_hdr; -static struct string_list extra_to; -static struct string_list extra_cc; +static struct string_list extra_hdr = STRING_LIST_INIT_NODUP; +static struct string_list extra_to = STRING_LIST_INIT_NODUP; +static struct string_list extra_cc = STRING_LIST_INIT_NODUP; static void add_header(const char *value) { @@ -667,8 +718,12 @@ static void add_header(const char *value) #define THREAD_DEEP 2 static int thread; static int do_signoff; +static int base_auto; +static char *from; static const char *signature = git_version_string; +static const char *signature_file; static int config_cover_letter; +static const char *config_output_directory; enum { COVER_UNSET, @@ -700,7 +755,7 @@ static int git_format_config(const char *var, const char *value, void *cb) return 0; } if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff") || - !strcmp(var, "color.ui")) { + !strcmp(var, "color.ui") || !strcmp(var, "diff.submodule")) { return 0; } if (!strcmp(var, "format.numbered")) { @@ -737,6 +792,8 @@ static int git_format_config(const char *var, const char *value, void *cb) } if (!strcmp(var, "format.signature")) return git_config_string(&signature, var, value); + if (!strcmp(var, "format.signaturefile")) + return git_config_pathname(&signature_file, var, value); if (!strcmp(var, "format.coverletter")) { if (value && !strcasecmp(value, "auto")) { config_cover_letter = COVER_AUTO; @@ -745,15 +802,31 @@ static int git_format_config(const char *var, const char *value, void *cb) config_cover_letter = git_config_bool(var, value) ? COVER_ON : COVER_OFF; return 0; } + if (!strcmp(var, "format.outputdirectory")) + return git_config_string(&config_output_directory, var, value); + if (!strcmp(var, "format.useautobase")) { + base_auto = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "format.from")) { + int b = git_config_maybe_bool(var, value); + free(from); + if (b < 0) + from = xstrdup(value); + else if (b) + from = xstrdup(git_committer_info(IDENT_NO_DATE)); + else + from = NULL; + return 0; + } return git_log_config(var, value, cb); } -static FILE *realstdout = NULL; static const char *output_directory = NULL; static int outdir_offset; -static int reopen_stdout(struct commit *commit, const char *subject, +static int open_next_file(struct commit *commit, const char *subject, struct rev_info *rev, int quiet) { struct strbuf filename = STRBUF_INIT; @@ -764,8 +837,7 @@ static int reopen_stdout(struct commit *commit, const char *subject, if (filename.len >= PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len) return error(_("name of output directory is too long")); - if (filename.buf[filename.len - 1] != '/') - strbuf_addch(&filename, '/'); + strbuf_complete(&filename, '/'); } if (rev->numbered_files) @@ -776,9 +848,9 @@ static int reopen_stdout(struct commit *commit, const char *subject, fmt_output_subject(&filename, subject, rev); if (!quiet) - fprintf(realstdout, "%s\n", filename.buf + outdir_offset); + printf("%s\n", filename.buf + outdir_offset); - if (freopen(filename.buf, "w", stdout) == NULL) + if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL) return error(_("Cannot open patch file %s"), filename.buf); strbuf_release(&filename); @@ -788,7 +860,7 @@ static int reopen_stdout(struct commit *commit, const char *subject, static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids) { struct rev_info check_rev; - struct commit *commit; + struct commit *commit, *c1, *c2; struct object *o1, *o2; unsigned flags1, flags2; @@ -796,9 +868,11 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids) die(_("Need exactly one range.")); o1 = rev->pending.objects[0].item; - flags1 = o1->flags; o2 = rev->pending.objects[1].item; + flags1 = o1->flags; flags2 = o2->flags; + c1 = lookup_commit_reference(o1->oid.hash); + c2 = lookup_commit_reference(o2->oid.hash); if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING)) die(_("Not a range.")); @@ -820,10 +894,8 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids) } /* reset for next revision walk */ - clear_commit_marks((struct commit *)o1, - SEEN | UNINTERESTING | SHOWN | ADDED); - clear_commit_marks((struct commit *)o2, - SEEN | UNINTERESTING | SHOWN | ADDED); + clear_commit_marks(c1, SEEN | UNINTERESTING | SHOWN | ADDED); + clear_commit_marks(c2, SEEN | UNINTERESTING | SHOWN | ADDED); o1->flags = flags1; o2->flags = flags2; } @@ -837,10 +909,15 @@ static void gen_message_id(struct rev_info *info, char *base) info->message_id = strbuf_detach(&buf, NULL); } -static void print_signature(void) +static void print_signature(FILE *file) { - if (signature && *signature) - printf("-- \n%s\n\n", signature); + if (!signature || !*signature) + return; + + fprintf(file, "-- \n%s", signature); + if (signature[strlen(signature)-1] != '\n') + putc('\n', file); + putc('\n', file); } static void add_branch_description(struct strbuf *buf, const char *branch_name) @@ -851,17 +928,18 @@ static void add_branch_description(struct strbuf *buf, const char *branch_name) read_branch_desc(&desc, branch_name); if (desc.len) { strbuf_addch(buf, '\n'); - strbuf_add(buf, desc.buf, desc.len); + strbuf_addbuf(buf, &desc); strbuf_addch(buf, '\n'); } + strbuf_release(&desc); } static char *find_branch_name(struct rev_info *rev) { int i, positive = -1; - unsigned char branch_sha1[20]; - const unsigned char *tip_sha1; - const char *ref; + struct object_id branch_oid; + const struct object_id *tip_oid; + const char *ref, *v; char *full_ref, *branch = NULL; for (i = 0; i < rev->cmdline.nr; i++) { @@ -875,11 +953,11 @@ static char *find_branch_name(struct rev_info *rev) if (positive < 0) return NULL; ref = rev->cmdline.rev[positive].name; - tip_sha1 = rev->cmdline.rev[positive].item->sha1; - if (dwim_ref(ref, strlen(ref), branch_sha1, &full_ref) && - starts_with(full_ref, "refs/heads/") && - !hashcmp(tip_sha1, branch_sha1)) - branch = xstrdup(full_ref + strlen("refs/heads/")); + tip_oid = &rev->cmdline.rev[positive].item->oid; + if (dwim_ref(ref, strlen(ref), branch_oid.hash, &full_ref) && + skip_prefix(full_ref, "refs/heads/", &v) && + !oidcmp(tip_oid, &branch_oid)) + branch = xstrdup(v); free(full_ref); return branch; } @@ -902,13 +980,13 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, struct pretty_print_context pp = {0}; struct commit *head = list[0]; - if (rev->commit_format != CMIT_FMT_EMAIL) + if (!cmit_fmt_is_mail(rev->commit_format)) die(_("Cover letter needs email format")); committer = git_committer_info(0); if (!use_stdout && - reopen_stdout(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet)) + open_next_file(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet)) return; log_write_email_headers(rev, head, &pp.subject, &pp.after_subject, @@ -926,12 +1004,12 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, msg = body; pp.fmt = CMIT_FMT_EMAIL; - pp.date_mode = DATE_RFC2822; + pp.date_mode.type = DATE_RFC2822; pp_user_info(&pp, NULL, &sb, committer, encoding); pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte); pp_remainder(&pp, &msg, &sb, 0); add_branch_description(&sb, branch_name); - printf("%s\n", sb.buf); + fprintf(rev->diffopt.file, "%s\n", sb.buf); strbuf_release(&sb); @@ -940,6 +1018,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, log.wrap = 72; log.in1 = 2; log.in2 = 4; + log.file = rev->diffopt.file; for (i = 0; i < nr; i++) shortlog_add_commit(&log, list[i]); @@ -956,14 +1035,14 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, diff_setup_done(&opts); - diff_tree_sha1(origin->tree->object.sha1, - head->tree->object.sha1, + diff_tree_sha1(origin->tree->object.oid.hash, + head->tree->object.oid.hash, "", &opts); diffcore_std(&opts); diff_flush(&opts); - printf("\n"); - print_signature(); + fprintf(rev->diffopt.file, "\n"); + print_signature(rev->diffopt.file); } static const char *clean_message_id(const char *msg_id) @@ -1010,7 +1089,7 @@ static const char *set_outdir(const char *prefix, const char *output_directory) } static const char * const builtin_format_patch_usage[] = { - N_("git format-patch [options] [<since> | <revision range>]"), + N_("git format-patch [<options>] [<since> | <revision-range>]"), NULL }; @@ -1145,6 +1224,155 @@ static int from_callback(const struct option *opt, const char *arg, int unset) return 0; } +struct base_tree_info { + struct object_id base_commit; + int nr_patch_id, alloc_patch_id; + struct object_id *patch_id; +}; + +static struct commit *get_base_commit(const char *base_commit, + struct commit **list, + int total) +{ + struct commit *base = NULL; + struct commit **rev; + int i = 0, rev_nr = 0; + + if (base_commit && strcmp(base_commit, "auto")) { + base = lookup_commit_reference_by_name(base_commit); + if (!base) + die(_("Unknown commit %s"), base_commit); + } else if ((base_commit && !strcmp(base_commit, "auto")) || base_auto) { + struct branch *curr_branch = branch_get(NULL); + const char *upstream = branch_get_upstream(curr_branch, NULL); + if (upstream) { + struct commit_list *base_list; + struct commit *commit; + struct object_id oid; + + if (get_oid(upstream, &oid)) + die(_("Failed to resolve '%s' as a valid ref."), upstream); + commit = lookup_commit_or_die(oid.hash, "upstream base"); + base_list = get_merge_bases_many(commit, total, list); + /* There should be one and only one merge base. */ + if (!base_list || base_list->next) + die(_("Could not find exact merge base.")); + base = base_list->item; + free_commit_list(base_list); + } else { + die(_("Failed to get upstream, if you want to record base commit automatically,\n" + "please use git branch --set-upstream-to to track a remote branch.\n" + "Or you could specify base commit by --base=<base-commit-id> manually.")); + } + } + + ALLOC_ARRAY(rev, total); + for (i = 0; i < total; i++) + rev[i] = list[i]; + + rev_nr = total; + /* + * Get merge base through pair-wise computations + * and store it in rev[0]. + */ + while (rev_nr > 1) { + for (i = 0; i < rev_nr / 2; i++) { + struct commit_list *merge_base; + merge_base = get_merge_bases(rev[2 * i], rev[2 * i + 1]); + if (!merge_base || merge_base->next) + die(_("Failed to find exact merge base")); + + rev[i] = merge_base->item; + } + + if (rev_nr % 2) + rev[i] = rev[2 * i]; + rev_nr = (rev_nr + 1) / 2; + } + + if (!in_merge_bases(base, rev[0])) + die(_("base commit should be the ancestor of revision list")); + + for (i = 0; i < total; i++) { + if (base == list[i]) + die(_("base commit shouldn't be in revision list")); + } + + free(rev); + return base; +} + +static void prepare_bases(struct base_tree_info *bases, + struct commit *base, + struct commit **list, + int total) +{ + struct commit *commit; + struct rev_info revs; + struct diff_options diffopt; + int i; + + if (!base) + return; + + diff_setup(&diffopt); + DIFF_OPT_SET(&diffopt, RECURSIVE); + diff_setup_done(&diffopt); + + oidcpy(&bases->base_commit, &base->object.oid); + + init_revisions(&revs, NULL); + revs.max_parents = 1; + revs.topo_order = 1; + for (i = 0; i < total; i++) { + list[i]->object.flags &= ~UNINTERESTING; + add_pending_object(&revs, &list[i]->object, "rev_list"); + list[i]->util = (void *)1; + } + base->object.flags |= UNINTERESTING; + add_pending_object(&revs, &base->object, "base"); + + if (prepare_revision_walk(&revs)) + die(_("revision walk setup failed")); + /* + * Traverse the commits list, get prerequisite patch ids + * and stuff them in bases structure. + */ + while ((commit = get_revision(&revs)) != NULL) { + struct object_id oid; + struct object_id *patch_id; + if (commit->util) + continue; + if (commit_patch_id(commit, &diffopt, oid.hash, 0)) + die(_("cannot get patch id")); + ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id); + patch_id = bases->patch_id + bases->nr_patch_id; + oidcpy(patch_id, &oid); + bases->nr_patch_id++; + } +} + +static void print_bases(struct base_tree_info *bases, FILE *file) +{ + int i; + + /* Only do this once, either for the cover or for the first one */ + if (is_null_oid(&bases->base_commit)) + return; + + /* Show the base commit */ + fprintf(file, "base-commit: %s\n", oid_to_hex(&bases->base_commit)); + + /* Show the prerequisite patches */ + for (i = bases->nr_patch_id - 1; i >= 0; i--) + fprintf(file, "prerequisite-patch-id: %s\n", oid_to_hex(&bases->patch_id[i])); + + free(bases->patch_id); + bases->nr_patch_id = 0; + bases->alloc_patch_id = 0; + oidclr(&bases->base_commit); +} + int cmd_format_patch(int argc, const char **argv, const char *prefix) { struct commit *commit; @@ -1159,6 +1387,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) int cover_letter = -1; int boundary_count = 0; int no_binary_diff = 0; + int zero_commit = 0; struct commit *origin = NULL; const char *in_reply_to = NULL; struct patch_ids ids; @@ -1167,7 +1396,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) int quiet = 0; int reroll_count = -1; char *branch_name = NULL; - char *from = NULL; + char *base_commit = NULL; + struct base_tree_info bases; + const struct option builtin_format_patch_options[] = { { OPTION_CALLBACK, 'n', "numbered", &numbered, NULL, N_("use [PATCH n/m] even with a single patch"), @@ -1199,6 +1430,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback }, OPT_BOOL(0, "no-binary", &no_binary_diff, N_("don't output binary diffs")), + OPT_BOOL(0, "zero-commit", &zero_commit, + N_("output all-zero hash in From header")), OPT_BOOL(0, "ignore-if-in-upstream", &ignore_if_in_upstream, N_("don't include a patch matching a commit upstream")), { OPTION_SET_INT, 'p', "no-stat", &use_patch_format, NULL, @@ -1228,6 +1461,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) PARSE_OPT_OPTARG, thread_callback }, OPT_STRING(0, "signature", &signature, N_("signature"), N_("add a signature")), + OPT_STRING(0, "base", &base_commit, N_("base-commit"), + N_("add prerequisite tree info to the patch series")), + OPT_FILENAME(0, "signature-file", &signature_file, + N_("add a signature from a file")), OPT__QUIET(&quiet, N_("don't print the patch filenames")), OPT_END() }; @@ -1235,10 +1472,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) extra_hdr.strdup_strings = 1; extra_to.strdup_strings = 1; extra_cc.strdup_strings = 1; - init_grep_defaults(); + init_log_defaults(); git_config(git_format_config, NULL); init_revisions(&rev, prefix); rev.commit_format = CMIT_FMT_EMAIL; + rev.expand_tabs_in_log_default = 0; rev.verbose_header = 1; rev.diff = 1; rev.max_parents = 1; @@ -1341,18 +1579,25 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) /* Always generate a patch */ rev.diffopt.output_format |= DIFF_FORMAT_PATCH; + rev.zero_commit = zero_commit; + if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff) DIFF_OPT_SET(&rev.diffopt, BINARY); if (rev.show_notes) init_display_notes(&rev.notes_opt); + if (!output_directory && !use_stdout) + output_directory = config_output_directory; + if (!use_stdout) output_directory = set_outdir(prefix, output_directory); else setup_pager(); if (output_directory) { + if (rev.diffopt.use_color != GIT_COLOR_ALWAYS) + rev.diffopt.use_color = GIT_COLOR_NEVER; if (use_stdout) die(_("standard output, or directory, which one?")); if (mkdir(output_directory, 0777) < 0 && errno != EEXIST) @@ -1383,11 +1628,12 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) check_head = 1; if (check_head) { - unsigned char sha1[20]; - const char *ref; - ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL); - if (ref && starts_with(ref, "refs/heads/")) - branch_name = xstrdup(ref + strlen("refs/heads/")); + struct object_id oid; + const char *ref, *v; + ref = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, + oid.hash, NULL); + if (ref && skip_prefix(ref, "refs/heads/", &v)) + branch_name = xstrdup(v); else branch_name = xstrdup(""); /* no branch */ } @@ -1403,15 +1649,12 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) /* Don't say anything if head and upstream are the same. */ if (rev.pending.nr == 2) { struct object_array_entry *o = rev.pending.objects; - if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0) + if (oidcmp(&o[0].item->oid, &o[1].item->oid) == 0) return 0; } get_patch_ids(&rev, &ids); } - if (!use_stdout) - realstdout = xfdopen(xdup(1), "w"); - if (prepare_revision_walk(&rev)) die(_("revision walk setup failed")); rev.boundary = 1; @@ -1422,28 +1665,46 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) continue; } - if (ignore_if_in_upstream && - has_commit_patch_id(commit, &ids)) + if (ignore_if_in_upstream && has_commit_patch_id(commit, &ids)) continue; nr++; - list = xrealloc(list, nr * sizeof(list[0])); + REALLOC_ARRAY(list, nr); list[nr - 1] = commit; } if (nr == 0) /* nothing to do */ return 0; total = nr; - if (!keep_subject && auto_number && total > 1) - numbered = 1; - if (numbered) - rev.total = total + start_number - 1; if (cover_letter == -1) { if (config_cover_letter == COVER_AUTO) cover_letter = (total > 1); else cover_letter = (config_cover_letter == COVER_ON); } + if (!keep_subject && auto_number && (total > 1 || cover_letter)) + numbered = 1; + if (numbered) + rev.total = total + start_number - 1; + + if (!signature) { + ; /* --no-signature inhibits all signatures */ + } else if (signature && signature != git_version_string) { + ; /* non-default signature already set */ + } else if (signature_file) { + struct strbuf buf = STRBUF_INIT; + + if (strbuf_read_file(&buf, signature_file, 128) < 0) + die_errno(_("unable to read signature file '%s'"), signature_file); + signature = strbuf_detach(&buf, NULL); + } + + memset(&bases, 0, sizeof(bases)); + if (base_commit || base_auto) { + struct commit *base = get_base_commit(base_commit, list, nr); + reset_revision_walk(); + prepare_bases(&bases, base, list, nr); + } if (in_reply_to || thread || cover_letter) rev.ref_message_ids = xcalloc(1, sizeof(struct string_list)); @@ -1458,6 +1719,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) gen_message_id(&rev, "cover"); make_cover_letter(&rev, use_stdout, origin, nr, list, branch_name, quiet); + print_bases(&bases, rev.diffopt.file); total++; start_number--; } @@ -1499,11 +1761,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) string_list_append(rev.ref_message_ids, rev.message_id); } - gen_message_id(&rev, sha1_to_hex(commit->object.sha1)); + gen_message_id(&rev, oid_to_hex(&commit->object.oid)); } if (!use_stdout && - reopen_stdout(rev.numbered_files ? NULL : commit, NULL, &rev, quiet)) + open_next_file(rev.numbered_files ? NULL : commit, NULL, &rev, quiet)) die(_("Failed to create output files")); shown = log_tree_commit(&rev, commit); free_commit_buffer(commit); @@ -1518,14 +1780,15 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) rev.shown_one = 0; if (shown) { if (rev.mime_boundary) - printf("\n--%s%s--\n\n\n", + fprintf(rev.diffopt.file, "\n--%s%s--\n\n\n", mime_boundary_leader, rev.mime_boundary); else - print_signature(); + print_signature(rev.diffopt.file); + print_bases(&bases, rev.diffopt.file); } if (!use_stdout) - fclose(stdout); + fclose(rev.diffopt.file); } free(list); free(branch_name); @@ -1539,9 +1802,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) { - unsigned char sha1[20]; - if (get_sha1(arg, sha1) == 0) { - struct commit *commit = lookup_commit_reference(sha1); + struct object_id oid; + if (get_oid(arg, &oid) == 0) { + struct commit *commit = lookup_commit_reference(oid.hash); if (commit) { commit->object.flags |= flags; add_pending_object(revs, &commit->object, arg); @@ -1557,16 +1820,16 @@ static const char * const cherry_usage[] = { }; static void print_commit(char sign, struct commit *commit, int verbose, - int abbrev) + int abbrev, FILE *file) { if (!verbose) { - printf("%c %s\n", sign, - find_unique_abbrev(commit->object.sha1, abbrev)); + fprintf(file, "%c %s\n", sign, + find_unique_abbrev(commit->object.oid.hash, abbrev)); } else { struct strbuf buf = STRBUF_INIT; pp_commit_easy(CMIT_FMT_ONELINE, commit, &buf); - printf("%c %s %s\n", sign, - find_unique_abbrev(commit->object.sha1, abbrev), + fprintf(file, "%c %s %s\n", sign, + find_unique_abbrev(commit->object.oid.hash, abbrev), buf.buf); strbuf_release(&buf); } @@ -1604,16 +1867,13 @@ int cmd_cherry(int argc, const char **argv, const char *prefix) break; default: current_branch = branch_get(NULL); - if (!current_branch || !current_branch->merge - || !current_branch->merge[0] - || !current_branch->merge[0]->dst) { + upstream = branch_get_upstream(current_branch, NULL); + if (!upstream) { fprintf(stderr, _("Could not find a tracked" " remote branch, please" " specify <upstream> manually.\n")); usage_with_options(cherry_usage, options); } - - upstream = current_branch->merge[0]->dst; } init_revisions(&revs, prefix); @@ -1627,7 +1887,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix) /* Don't say anything if head and upstream are the same. */ if (revs.pending.nr == 2) { struct object_array_entry *o = revs.pending.objects; - if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0) + if (oidcmp(&o[0].item->oid, &o[1].item->oid) == 0) return 0; } @@ -1649,7 +1909,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix) commit = list->item; if (has_commit_patch_id(commit, &ids)) sign = '-'; - print_commit(sign, commit, verbose, abbrev); + print_commit(sign, commit, verbose, abbrev, revs.diffopt.file); list = list->next; } |