Merge branch 'js/mingw-tests-2.8' into maint
[gitweb.git] / builtin / log.c
index 878104943f04b6302dfdfd279a2afabadf89c191..0d738d6ddc0d6335e15392dd90e4118e2cb58b88 100644 (file)
@@ -5,6 +5,7 @@
  *              2006 Junio Hamano
  */
 #include "cache.h"
+#include "refs.h"
 #include "color.h"
 #include "commit.h"
 #include "diff.h"
@@ -31,6 +32,7 @@ static const char *default_date_mode = NULL;
 
 static int default_abbrev_commit;
 static int default_show_root = 1;
+static int default_follow;
 static int decoration_style;
 static int decoration_given;
 static int use_mailmap_config;
@@ -102,6 +104,8 @@ 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 */
@@ -112,7 +116,7 @@ static void cmd_log_init_defaults(struct rev_info *rev)
        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;
 }
 
@@ -338,8 +342,7 @@ static int cmd_log_walk(struct rev_info *rev)
         * retain that state information if replacing rev->diffopt in this loop
         */
        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.
@@ -390,6 +393,10 @@ static int git_log_config(const char *var, const char *value, void *cb)
                default_show_root = git_config_bool(var, value);
                return 0;
        }
+       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")) {
@@ -496,7 +503,8 @@ static int show_tree_object(const unsigned char *sha1,
        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 */
@@ -531,7 +539,7 @@ 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)
@@ -544,7 +552,7 @@ 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.hash, &rev, name);
                        break;
                case OBJ_TAG: {
                        struct tag *t = (struct tag *)o;
@@ -555,14 +563,14 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                                        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.hash, &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;
@@ -618,6 +626,22 @@ 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;
@@ -631,6 +655,7 @@ 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);
 }
@@ -674,6 +699,7 @@ static int do_signoff;
 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,
@@ -752,6 +778,8 @@ 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);
 
        return git_log_config(var, value, cb);
 }
@@ -771,8 +799,7 @@ 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)
@@ -806,8 +833,8 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
        o2 = rev->pending.objects[1].item;
        flags1 = o1->flags;
        flags2 = o2->flags;
-       c1 = lookup_commit_reference(o1->sha1);
-       c2 = lookup_commit_reference(o2->sha1);
+       c1 = lookup_commit_reference(o1->oid.hash);
+       c2 = lookup_commit_reference(o2->oid.hash);
 
        if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
                die(_("Not a range."));
@@ -872,8 +899,8 @@ static void add_branch_description(struct strbuf *buf, const char *branch_name)
 static char *find_branch_name(struct rev_info *rev)
 {
        int i, positive = -1;
-       unsigned char branch_sha1[20];
-       const unsigned char *tip_sha1;
+       struct object_id branch_oid;
+       const struct object_id *tip_oid;
        const char *ref, *v;
        char *full_ref, *branch = NULL;
 
@@ -888,10 +915,10 @@ 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) &&
+       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) &&
-           !hashcmp(tip_sha1, branch_sha1))
+           !oidcmp(tip_oid, &branch_oid))
                branch = xstrdup(v);
        free(full_ref);
        return branch;
@@ -939,7 +966,7 @@ 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);
@@ -969,8 +996,8 @@ 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);
@@ -1172,6 +1199,7 @@ 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;
@@ -1212,6 +1240,8 @@ 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,
@@ -1356,12 +1386,17 @@ 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
@@ -1419,7 +1454,7 @@ 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);
@@ -1438,8 +1473,7 @@ 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++;
@@ -1527,7 +1561,7 @@ 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 &&
@@ -1589,12 +1623,12 @@ static void print_commit(char sign, struct commit *commit, int verbose,
 {
        if (!verbose) {
                printf("%c %s\n", sign,
-                      find_unique_abbrev(commit->object.sha1, abbrev));
+                      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),
+                      find_unique_abbrev(commit->object.oid.hash, abbrev),
                       buf.buf);
                strbuf_release(&buf);
        }
@@ -1652,7 +1686,7 @@ 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;
        }