Merge branch 'jc/doc-checkout' into maint
[gitweb.git] / log-tree.c
index 8c2415747a2606aefb29fd6e0092c86da3c72589..410ab4f02de5b532485c46b5cceffc3c677df214 100644 (file)
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "diff.h"
 #include "commit.h"
 #include "tag.h"
@@ -105,13 +106,13 @@ 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 +133,7 @@ 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;
@@ -140,7 +141,7 @@ 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);
@@ -184,7 +185,7 @@ 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];
+       struct object_id unused;
        int rru_flags;
 
        /* First find HEAD */
@@ -197,7 +198,7 @@ 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);
+       branch_name = resolve_ref_unsafe("HEAD", 0, unused.hash, &rru_flags);
        if (!(rru_flags & REF_ISSYMREF))
                return NULL;
 
@@ -332,35 +333,31 @@ 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)
 {
-       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);
@@ -417,7 +414,6 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit,
                opt->diffopt.stat_sep = buffer;
                strbuf_release(&filename);
        }
-       *subject_p = subject;
        *extra_headers_p = extra_headers;
 }
 
@@ -461,13 +457,13 @@ 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++;
        }
@@ -486,14 +482,14 @@ static void show_one_mergetag(struct commit *commit,
                              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_sha1_file(extra->value, extra->len, typename(OBJ_TAG), oid.hash);
+       tag = lookup_tag(&oid);
        if (!tag)
                return; /* error message already given */
 
@@ -505,7 +501,7 @@ 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
@@ -541,7 +537,7 @@ 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};
 
@@ -602,8 +598,10 @@ 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,
+               log_write_email_headers(opt, commit, &extra_headers,
                                        &ctx.need_8bit_cte);
+               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)
@@ -658,7 +656,7 @@ void show_log(struct rev_info *opt)
                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)
@@ -806,7 +804,7 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
        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 +823,8 @@ 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(&parents->item->tree->object.oid,
+                                     oid, "", &opt->diffopt);
                        log_tree_diff_flush(opt);
                        return !opt->loginfo;
                }
@@ -840,8 +838,8 @@ 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(&parent->tree->object.oid,
+                             oid, "", &opt->diffopt);
                log_tree_diff_flush(opt);
 
                showed_log |= !opt->loginfo;