Merge branch 'jk/config-warn-on-inaccessible-paths'
[gitweb.git] / builtin / log.c
index 9363f3929c1f3d5ac72ca498ada21f368f91072a..3423d11649460b2008bc4713282c1d02dbf6c7f7 100644 (file)
@@ -20,6 +20,8 @@
 #include "string-list.h"
 #include "parse-options.h"
 #include "branch.h"
+#include "streaming.h"
+#include "version.h"
 
 /* Set a default date-time format for git log ("log.date" config variable) */
 static const char *default_date_mode = NULL;
@@ -77,6 +79,8 @@ static void cmd_log_init_defaults(struct rev_info *rev)
                get_commit_format(fmt_pretty, rev);
        rev->verbose_header = 1;
        DIFF_OPT_SET(&rev->diffopt, RECURSIVE);
+       rev->diffopt.stat_width = -1; /* use full terminal width */
+       rev->diffopt.stat_graph_width = -1; /* respect statGraphWidth config */
        rev->abbrev_commit = default_abbrev_commit;
        rev->show_root_diff = default_show_root;
        rev->subject_prefix = fmt_patch_subject_prefix;
@@ -382,8 +386,13 @@ static void show_tagger(char *buf, int len, struct rev_info *rev)
        strbuf_release(&out);
 }
 
-static int show_object(const unsigned char *sha1, int show_tag_object,
-       struct rev_info *rev)
+static int show_blob_object(const unsigned char *sha1, struct rev_info *rev)
+{
+       fflush(stdout);
+       return stream_blob_to_fd(1, sha1, NULL, 0);
+}
+
+static int show_tag_object(const unsigned char *sha1, struct rev_info *rev)
 {
        unsigned long size;
        enum object_type type;
@@ -393,16 +402,16 @@ static int show_object(const unsigned char *sha1, int show_tag_object,
        if (!buf)
                return error(_("Could not read object %s"), sha1_to_hex(sha1));
 
-       if (show_tag_object)
-               while (offset < size && buf[offset] != '\n') {
-                       int new_offset = offset + 1;
-                       while (new_offset < size && buf[new_offset++] != '\n')
-                               ; /* do nothing */
-                       if (!prefixcmp(buf + offset, "tagger "))
-                               show_tagger(buf + offset + 7,
-                                           new_offset - offset - 7, rev);
-                       offset = new_offset;
-               }
+       assert(type == OBJ_TAG);
+       while (offset < size && buf[offset] != '\n') {
+               int new_offset = offset + 1;
+               while (new_offset < size && buf[new_offset++] != '\n')
+                       ; /* do nothing */
+               if (!prefixcmp(buf + offset, "tagger "))
+                       show_tagger(buf + offset + 7,
+                                   new_offset - offset - 7, rev);
+               offset = new_offset;
+       }
 
        if (offset < size)
                fwrite(buf + offset, size - offset, 1, stdout);
@@ -448,11 +457,16 @@ int cmd_show(int argc, const char **argv, const char *prefix)
        rev.diff = 1;
        rev.always_show_header = 1;
        rev.no_walk = 1;
+       rev.diffopt.stat_width = -1;    /* Scale to real terminal size */
+
        memset(&opt, 0, sizeof(opt));
        opt.def = "HEAD";
        opt.tweak = show_rev_tweak_rev;
        cmd_log_init(argc, argv, prefix, &rev, &opt);
 
+       if (!rev.no_walk)
+               return cmd_log_walk(&rev);
+
        count = rev.pending.nr;
        objects = rev.pending.objects;
        for (i = 0; i < count && !ret; i++) {
@@ -460,7 +474,7 @@ 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_object(o->sha1, 0, NULL);
+                       ret = show_blob_object(o->sha1, NULL);
                        break;
                case OBJ_TAG: {
                        struct tag *t = (struct tag *)o;
@@ -471,7 +485,7 @@ 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_object(o->sha1, 1, &rev);
+                       ret = show_tag_object(o->sha1, &rev);
                        rev.shown_one = 1;
                        if (ret)
                                break;
@@ -655,7 +669,8 @@ static FILE *realstdout = NULL;
 static const char *output_directory = NULL;
 static int outdir_offset;
 
-static int reopen_stdout(struct commit *commit, struct rev_info *rev, int quiet)
+static int reopen_stdout(struct commit *commit, const char *subject,
+                        struct rev_info *rev, int quiet)
 {
        struct strbuf filename = STRBUF_INIT;
        int suffix_len = strlen(fmt_patch_suffix) + 1;
@@ -669,7 +684,7 @@ static int reopen_stdout(struct commit *commit, struct rev_info *rev, int quiet)
                        strbuf_addch(&filename, '/');
        }
 
-       get_patch_filename(commit, rev->nr, fmt_patch_suffix, &filename);
+       get_patch_filename(commit, subject, rev->nr, fmt_patch_suffix, &filename);
 
        if (!quiet)
                fprintf(realstdout, "%s\n", filename.buf + outdir_offset);
@@ -681,7 +696,7 @@ static int reopen_stdout(struct commit *commit, struct rev_info *rev, int quiet)
        return 0;
 }
 
-static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const char *prefix)
+static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
 {
        struct rev_info check_rev;
        struct commit *commit;
@@ -702,7 +717,8 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const cha
        init_patch_ids(ids);
 
        /* given a range a..b get all patch ids for b..a */
-       init_revisions(&check_rev, prefix);
+       init_revisions(&check_rev, rev->prefix);
+       check_rev.max_parents = 1;
        o1->flags ^= UNINTERESTING;
        o2->flags ^= UNINTERESTING;
        add_pending_object(&check_rev, o1, "o1");
@@ -711,10 +727,6 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const cha
                die(_("revision walk setup failed"));
 
        while ((commit = get_revision(&check_rev)) != NULL) {
-               /* ignore merges */
-               if (commit->parents && commit->parents->next)
-                       continue;
-
                add_commit_patch_id(commit, ids);
        }
 
@@ -729,15 +741,10 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const cha
 
 static void gen_message_id(struct rev_info *info, char *base)
 {
-       const char *committer = git_committer_info(IDENT_WARN_ON_NO_NAME);
-       const char *email_start = strrchr(committer, '<');
-       const char *email_end = strrchr(committer, '>');
        struct strbuf buf = STRBUF_INIT;
-       if (!email_start || !email_end || email_start > email_end - 1)
-               die(_("Could not extract email from committer identity."));
-       strbuf_addf(&buf, "%s.%lu.git.%.*s", base,
+       strbuf_addf(&buf, "%s.%lu.git.%s", base,
                    (unsigned long) time(NULL),
-                   (int)(email_end - email_start - 1), email_start + 1);
+                   git_committer_info(IDENT_NO_NAME|IDENT_NO_DATE|IDENT_STRICT));
        info->message_id = strbuf_detach(&buf, NULL);
 }
 
@@ -776,7 +783,6 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        const char *encoding = "UTF-8";
        struct diff_options opts;
        int need_8bit_cte = 0;
-       struct commit *commit = NULL;
        struct pretty_print_context pp = {0};
 
        if (rev->commit_format != CMIT_FMT_EMAIL)
@@ -784,31 +790,10 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
 
        committer = git_committer_info(0);
 
-       if (!numbered_files) {
-               /*
-                * We fake a commit for the cover letter so we get the filename
-                * desired.
-                */
-               commit = xcalloc(1, sizeof(*commit));
-               commit->buffer = xmalloc(400);
-               snprintf(commit->buffer, 400,
-                       "tree 0000000000000000000000000000000000000000\n"
-                       "parent %s\n"
-                       "author %s\n"
-                       "committer %s\n\n"
-                       "cover letter\n",
-                       sha1_to_hex(head->object.sha1), committer, committer);
-       }
-
-       if (!use_stdout && reopen_stdout(commit, rev, quiet))
+       if (!use_stdout &&
+           reopen_stdout(NULL, numbered_files ? NULL : "cover-letter", rev, quiet))
                return;
 
-       if (commit) {
-
-               free(commit->buffer);
-               free(commit);
-       }
-
        log_write_email_headers(rev, head, &pp.subject, &pp.after_subject,
                                &need_8bit_cte);
 
@@ -1166,7 +1151,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        if (do_signoff) {
                const char *committer;
                const char *endpos;
-               committer = git_committer_info(IDENT_ERROR_ON_NO_NAME);
+               committer = git_committer_info(IDENT_STRICT);
                endpos = strchr(committer, '>');
                if (!endpos)
                        die(_("bogus committer info %s"), committer);
@@ -1318,7 +1303,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
                                return 0;
                }
-               get_patch_ids(&rev, &ids, prefix);
+               get_patch_ids(&rev, &ids);
        }
 
        if (!use_stdout)
@@ -1404,8 +1389,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
                }
 
-               if (!use_stdout && reopen_stdout(numbered_files ? NULL : commit,
-                                                &rev, quiet))
+               if (!use_stdout &&
+                   reopen_stdout(numbered_files ? NULL : commit, NULL, &rev, quiet))
                        die(_("Failed to create output files"));
                shown = log_tree_commit(&rev, commit);
                free(commit->buffer);
@@ -1520,10 +1505,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
        }
 
        init_revisions(&revs, prefix);
-       revs.diff = 1;
-       revs.combine_merges = 0;
-       revs.ignore_merges = 1;
-       DIFF_OPT_SET(&revs.diffopt, RECURSIVE);
+       revs.max_parents = 1;
 
        if (add_pending_commit(head, &revs, 0))
                die(_("Unknown commit %s"), head);
@@ -1537,7 +1519,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
                        return 0;
        }
 
-       get_patch_ids(&revs, &ids, prefix);
+       get_patch_ids(&revs, &ids);
 
        if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
                die(_("Unknown commit %s"), limit);
@@ -1546,10 +1528,6 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
        if (prepare_revision_walk(&revs))
                die(_("revision walk setup failed"));
        while ((commit = get_revision(&revs)) != NULL) {
-               /* ignore merges */
-               if (commit->parents && commit->parents->next)
-                       continue;
-
                commit_list_insert(commit, &list);
        }