Imported Upstream version 2.18.3
[platform/upstream/git.git] / log-tree.c
index 8c24157..4aef853 100644 (file)
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "diff.h"
 #include "commit.h"
 #include "tag.h"
@@ -93,8 +94,12 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid,
 {
        struct object *obj;
        enum decoration_type type = DECORATION_NONE;
+       struct decoration_filter *filter = (struct decoration_filter *)cb_data;
 
-       assert(cb_data == NULL);
+       if (filter && !ref_filter_match(refname,
+                             filter->include_ref_pattern,
+                             filter->exclude_ref_pattern))
+               return 0;
 
        if (starts_with(refname, git_replace_ref_base)) {
                struct object_id original_oid;
@@ -105,13 +110,13 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid,
                        warning("invalid replace ref %s", refname);
                        return 0;
                }
-               obj = parse_object(original_oid.hash);
+               obj = parse_object(&original_oid);
                if (obj)
                        add_name_decoration(DECORATION_GRAFTED, "replaced", obj);
                return 0;
        }
 
-       obj = parse_object(oid->hash);
+       obj = parse_object(oid);
        if (!obj)
                return 0;
 
@@ -132,7 +137,7 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid,
                if (!obj)
                        break;
                if (!obj->parsed)
-                       parse_object(obj->oid.hash);
+                       parse_object(&obj->oid);
                add_name_decoration(DECORATION_REF_TAG, refname, obj);
        }
        return 0;
@@ -140,22 +145,30 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid,
 
 static int add_graft_decoration(const struct commit_graft *graft, void *cb_data)
 {
-       struct commit *commit = lookup_commit(graft->oid.hash);
+       struct commit *commit = lookup_commit(&graft->oid);
        if (!commit)
                return 0;
        add_name_decoration(DECORATION_GRAFTED, "grafted", &commit->object);
        return 0;
 }
 
-void load_ref_decorations(int flags)
+void load_ref_decorations(struct decoration_filter *filter, int flags)
 {
        if (!decoration_loaded) {
-
+               if (filter) {
+                       struct string_list_item *item;
+                       for_each_string_list_item(item, filter->exclude_ref_pattern) {
+                               normalize_glob_ref(item, NULL, item->string);
+                       }
+                       for_each_string_list_item(item, filter->include_ref_pattern) {
+                               normalize_glob_ref(item, NULL, item->string);
+                       }
+               }
                decoration_loaded = 1;
                decoration_flags = flags;
-               for_each_ref(add_ref_decoration, NULL);
-               head_ref(add_ref_decoration, NULL);
-               for_each_commit_graft(add_graft_decoration, NULL);
+               for_each_ref(add_ref_decoration, filter);
+               head_ref(add_ref_decoration, filter);
+               for_each_commit_graft(add_graft_decoration, filter);
        }
 }
 
@@ -164,7 +177,7 @@ static void show_parents(struct commit *commit, int abbrev, FILE *file)
        struct commit_list *p;
        for (p = commit->parents; p ; p = p->next) {
                struct commit *parent = p->item;
-               fprintf(file, " %s", find_unique_abbrev(parent->object.oid.hash, abbrev));
+               fprintf(file, " %s", find_unique_abbrev(&parent->object.oid, abbrev));
        }
 }
 
@@ -172,7 +185,7 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
 {
        struct commit_list *p = lookup_decoration(&opt->children, &commit->object);
        for ( ; p; p = p->next) {
-               fprintf(opt->diffopt.file, " %s", find_unique_abbrev(p->item->object.oid.hash, abbrev));
+               fprintf(opt->diffopt.file, " %s", find_unique_abbrev(&p->item->object.oid, abbrev));
        }
 }
 
@@ -184,7 +197,6 @@ static const struct name_decoration *current_pointed_by_HEAD(const struct name_d
 {
        const struct name_decoration *list, *head = NULL;
        const char *branch_name = NULL;
-       unsigned char unused[20];
        int rru_flags;
 
        /* First find HEAD */
@@ -197,8 +209,8 @@ static const struct name_decoration *current_pointed_by_HEAD(const struct name_d
                return NULL;
 
        /* Now resolve and find the matching current branch */
-       branch_name = resolve_ref_unsafe("HEAD", 0, unused, &rru_flags);
-       if (!(rru_flags & REF_ISSYMREF))
+       branch_name = resolve_ref_unsafe("HEAD", 0, NULL, &rru_flags);
+       if (!branch_name || !(rru_flags & REF_ISSYMREF))
                return NULL;
 
        if (!starts_with(branch_name, "refs/"))
@@ -332,35 +344,32 @@ void fmt_output_commit(struct strbuf *filename,
        strbuf_release(&subject);
 }
 
+void fmt_output_email_subject(struct strbuf *sb, struct rev_info *opt)
+{
+       if (opt->total > 0) {
+               strbuf_addf(sb, "Subject: [%s%s%0*d/%d] ",
+                           opt->subject_prefix,
+                           *opt->subject_prefix ? " " : "",
+                           digits_in_number(opt->total),
+                           opt->nr, opt->total);
+       } else if (opt->total == 0 && opt->subject_prefix && *opt->subject_prefix) {
+               strbuf_addf(sb, "Subject: [%s] ",
+                           opt->subject_prefix);
+       } else {
+               strbuf_addstr(sb, "Subject: ");
+       }
+}
+
 void log_write_email_headers(struct rev_info *opt, struct commit *commit,
-                            const char **subject_p,
                             const char **extra_headers_p,
-                            int *need_8bit_cte_p)
+                            int *need_8bit_cte_p,
+                            int maybe_multipart)
 {
-       const char *subject = NULL;
        const char *extra_headers = opt->extra_headers;
        const char *name = oid_to_hex(opt->zero_commit ?
                                      &null_oid : &commit->object.oid);
 
        *need_8bit_cte_p = 0; /* unknown */
-       if (opt->total > 0) {
-               static char buffer[64];
-               snprintf(buffer, sizeof(buffer),
-                        "Subject: [%s%s%0*d/%d] ",
-                        opt->subject_prefix,
-                        *opt->subject_prefix ? " " : "",
-                        digits_in_number(opt->total),
-                        opt->nr, opt->total);
-               subject = buffer;
-       } else if (opt->total == 0 && opt->subject_prefix && *opt->subject_prefix) {
-               static char buffer[256];
-               snprintf(buffer, sizeof(buffer),
-                        "Subject: [%s] ",
-                        opt->subject_prefix);
-               subject = buffer;
-       } else {
-               subject = "Subject: ";
-       }
 
        fprintf(opt->diffopt.file, "From %s Mon Sep 17 00:00:00 2001\n", name);
        graph_show_oneline(opt->graph);
@@ -377,12 +386,16 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit,
                               opt->ref_message_ids->items[i].string);
                graph_show_oneline(opt->graph);
        }
-       if (opt->mime_boundary) {
-               static char subject_buffer[1024];
-               static char buffer[1024];
+       if (opt->mime_boundary && maybe_multipart) {
+               static struct strbuf subject_buffer = STRBUF_INIT;
+               static struct strbuf buffer = STRBUF_INIT;
                struct strbuf filename =  STRBUF_INIT;
                *need_8bit_cte_p = -1; /* NEVER */
-               snprintf(subject_buffer, sizeof(subject_buffer) - 1,
+
+               strbuf_reset(&subject_buffer);
+               strbuf_reset(&buffer);
+
+               strbuf_addf(&subject_buffer,
                         "%s"
                         "MIME-Version: 1.0\n"
                         "Content-Type: multipart/mixed;"
@@ -397,13 +410,13 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit,
                         extra_headers ? extra_headers : "",
                         mime_boundary_leader, opt->mime_boundary,
                         mime_boundary_leader, opt->mime_boundary);
-               extra_headers = subject_buffer;
+               extra_headers = subject_buffer.buf;
 
                if (opt->numbered_files)
                        strbuf_addf(&filename, "%d", opt->nr);
                else
                        fmt_output_commit(&filename, commit, opt);
-               snprintf(buffer, sizeof(buffer) - 1,
+               strbuf_addf(&buffer,
                         "\n--%s%s\n"
                         "Content-Type: text/x-patch;"
                         " name=\"%s\"\n"
@@ -414,10 +427,9 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit,
                         filename.buf,
                         opt->no_inline ? "attachment" : "inline",
                         filename.buf);
-               opt->diffopt.stat_sep = buffer;
+               opt->diffopt.stat_sep = buffer.buf;
                strbuf_release(&filename);
        }
-       *subject_p = subject;
        *extra_headers_p = extra_headers;
 }
 
@@ -461,13 +473,13 @@ static void show_signature(struct rev_info *opt, struct commit *commit)
        strbuf_release(&signature);
 }
 
-static int which_parent(const unsigned char *sha1, const struct commit *commit)
+static int which_parent(const struct object_id *oid, const struct commit *commit)
 {
        int nth;
        const struct commit_list *parent;
 
        for (nth = 0, parent = commit->parents; parent; parent = parent->next) {
-               if (!hashcmp(parent->item->object.oid.hash, sha1))
+               if (!oidcmp(&parent->item->object.oid, oid))
                        return nth;
                nth++;
        }
@@ -481,21 +493,21 @@ static int is_common_merge(const struct commit *commit)
                && !commit->parents->next->next);
 }
 
-static void show_one_mergetag(struct commit *commit,
-                             struct commit_extra_header *extra,
-                             void *data)
+static int show_one_mergetag(struct commit *commit,
+                            struct commit_extra_header *extra,
+                            void *data)
 {
        struct rev_info *opt = (struct rev_info *)data;
-       unsigned char sha1[20];
+       struct object_id oid;
        struct tag *tag;
        struct strbuf verify_message;
        int status, nth;
        size_t payload_size, gpg_message_offset;
 
-       hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), sha1);
-       tag = lookup_tag(sha1);
+       hash_object_file(extra->value, extra->len, type_name(OBJ_TAG), &oid);
+       tag = lookup_tag(&oid);
        if (!tag)
-               return; /* error message already given */
+               return -1; /* error message already given */
 
        strbuf_init(&verify_message, 256);
        if (parse_tag_buffer(tag, extra->value, extra->len))
@@ -505,7 +517,7 @@ static void show_one_mergetag(struct commit *commit,
                          &commit->parents->next->item->object.oid))
                strbuf_addf(&verify_message,
                            "merged tag '%s'\n", tag->tag);
-       else if ((nth = which_parent(tag->tagged->oid.hash, commit)) < 0)
+       else if ((nth = which_parent(&tag->tagged->oid, commit)) < 0)
                strbuf_addf(&verify_message, "tag %s names a non-parent %s\n",
                                    tag->tag, tag->tagged->oid.hash);
        else
@@ -529,11 +541,12 @@ static void show_one_mergetag(struct commit *commit,
 
        show_sig_lines(opt, status, verify_message.buf);
        strbuf_release(&verify_message);
+       return 0;
 }
 
-static void show_mergetag(struct rev_info *opt, struct commit *commit)
+static int show_mergetag(struct rev_info *opt, struct commit *commit)
 {
-       for_each_mergetag(show_one_mergetag, commit, opt);
+       return for_each_mergetag(show_one_mergetag, commit, opt);
 }
 
 void show_log(struct rev_info *opt)
@@ -541,7 +554,7 @@ void show_log(struct rev_info *opt)
        struct strbuf msgbuf = STRBUF_INIT;
        struct log_info *log = opt->loginfo;
        struct commit *commit = log->commit, *parent = log->parent;
-       int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40;
+       int abbrev_commit = opt->abbrev_commit ? opt->abbrev : GIT_SHA1_HEXSZ;
        const char *extra_headers = opt->extra_headers;
        struct pretty_print_context ctx = {0};
 
@@ -551,7 +564,7 @@ void show_log(struct rev_info *opt)
 
                if (!opt->graph)
                        put_revision_mark(opt, commit);
-               fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit), opt->diffopt.file);
+               fputs(find_unique_abbrev(&commit->object.oid, abbrev_commit), opt->diffopt.file);
                if (opt->print_parents)
                        show_parents(commit, abbrev_commit, opt->diffopt.file);
                if (opt->children.name)
@@ -602,8 +615,10 @@ void show_log(struct rev_info *opt)
         */
 
        if (cmit_fmt_is_mail(opt->commit_format)) {
-               log_write_email_headers(opt, commit, &ctx.subject, &extra_headers,
-                                       &ctx.need_8bit_cte);
+               log_write_email_headers(opt, commit, &extra_headers,
+                                       &ctx.need_8bit_cte, 1);
+               ctx.rev = opt;
+               ctx.print_email_subject = 1;
        } else if (opt->commit_format != CMIT_FMT_USERFORMAT) {
                fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), opt->diffopt.file);
                if (opt->commit_format != CMIT_FMT_ONELINE)
@@ -611,7 +626,8 @@ void show_log(struct rev_info *opt)
 
                if (!opt->graph)
                        put_revision_mark(opt, commit);
-               fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit),
+               fputs(find_unique_abbrev(&commit->object.oid,
+                                        abbrev_commit),
                      opt->diffopt.file);
                if (opt->print_parents)
                        show_parents(commit, abbrev_commit, opt->diffopt.file);
@@ -619,8 +635,7 @@ void show_log(struct rev_info *opt)
                        show_children(opt, commit, abbrev_commit);
                if (parent)
                        fprintf(opt->diffopt.file, " (from %s)",
-                              find_unique_abbrev(parent->object.oid.hash,
-                                                 abbrev_commit));
+                              find_unique_abbrev(&parent->object.oid, abbrev_commit));
                fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), opt->diffopt.file);
                show_decorations(opt, commit);
                if (opt->commit_format == CMIT_FMT_ONELINE) {
@@ -650,15 +665,12 @@ void show_log(struct rev_info *opt)
                show_mergetag(opt, commit);
        }
 
-       if (!get_cached_commit_buffer(commit, NULL))
-               return;
-
        if (opt->show_notes) {
                int raw;
                struct strbuf notebuf = STRBUF_INIT;
 
                raw = (opt->commit_format == CMIT_FMT_USERFORMAT);
-               format_display_notes(commit->object.oid.hash, &notebuf,
+               format_display_notes(&commit->object.oid, &notebuf,
                                     get_log_output_encoding(), raw);
                ctx.notes_message = notebuf.len
                        ? strbuf_detach(&notebuf, NULL)
@@ -796,17 +808,17 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
        struct commit_list *parents;
        struct object_id *oid;
 
-       if (!opt->diff && !DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS))
+       if (!opt->diff && !opt->diffopt.flags.exit_with_status)
                return 0;
 
        parse_commit_or_die(commit);
-       oid = &commit->tree->object.oid;
+       oid = get_commit_tree_oid(commit);
 
        /* Root commit? */
        parents = get_saved_parents(opt, commit);
        if (!parents) {
                if (opt->show_root_diff) {
-                       diff_root_tree_sha1(oid->hash, "", &opt->diffopt);
+                       diff_root_tree_oid(oid, "", &opt->diffopt);
                        log_tree_diff_flush(opt);
                }
                return !opt->loginfo;
@@ -825,8 +837,8 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
                         * we merged _in_.
                         */
                        parse_commit_or_die(parents->item);
-                       diff_tree_sha1(parents->item->tree->object.oid.hash,
-                                      oid->hash, "", &opt->diffopt);
+                       diff_tree_oid(get_commit_tree_oid(parents->item),
+                                     oid, "", &opt->diffopt);
                        log_tree_diff_flush(opt);
                        return !opt->loginfo;
                }
@@ -840,8 +852,8 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
                struct commit *parent = parents->item;
 
                parse_commit_or_die(parent);
-               diff_tree_sha1(parent->tree->object.oid.hash,
-                              oid->hash, "", &opt->diffopt);
+               diff_tree_oid(get_commit_tree_oid(parent),
+                             oid, "", &opt->diffopt);
                log_tree_diff_flush(opt);
 
                showed_log |= !opt->loginfo;