commit: give final warning when reattaching HEAD to leave commits behind
[gitweb.git] / builtin / log.c
index 6208703c061abb868201073795cf516bf81b2602..d8c6c28d2fcc3bd0744f071da536215141dc0d0b 100644 (file)
@@ -24,6 +24,7 @@
 static const char *default_date_mode = NULL;
 
 static int default_show_root = 1;
+static int decoration_style;
 static const char *fmt_patch_subject_prefix = "PATCH";
 static const char *fmt_pretty;
 
@@ -31,11 +32,28 @@ static const char * const builtin_log_usage =
        "git log [<options>] [<since>..<until>] [[--] <path>...]\n"
        "   or: git show [options] <object>...";
 
+static int parse_decoration_style(const char *var, const char *value)
+{
+       switch (git_config_maybe_bool(var, value)) {
+       case 1:
+               return DECORATE_SHORT_REFS;
+       case 0:
+               return 0;
+       default:
+               break;
+       }
+       if (!strcmp(value, "full"))
+               return DECORATE_FULL_REFS;
+       else if (!strcmp(value, "short"))
+               return DECORATE_SHORT_REFS;
+       return -1;
+}
+
 static void cmd_log_init(int argc, const char **argv, const char *prefix,
                         struct rev_info *rev, struct setup_revision_opt *opt)
 {
        int i;
-       int decoration_style = 0;
+       int decoration_given = 0;
        struct userformat_want w;
 
        rev->abbrev = DEFAULT_ABBREV;
@@ -78,14 +96,15 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
                const char *arg = argv[i];
                if (!strcmp(arg, "--decorate")) {
                        decoration_style = DECORATE_SHORT_REFS;
+                       decoration_given = 1;
                } else if (!prefixcmp(arg, "--decorate=")) {
                        const char *v = skip_prefix(arg, "--decorate=");
-                       if (!strcmp(v, "full"))
-                               decoration_style = DECORATE_FULL_REFS;
-                       else if (!strcmp(v, "short"))
-                               decoration_style = DECORATE_SHORT_REFS;
-                       else
+                       decoration_style = parse_decoration_style(arg, v);
+                       if (decoration_style < 0)
                                die("invalid --decorate option: %s", arg);
+                       decoration_given = 1;
+               } else if (!strcmp(arg, "--no-decorate")) {
+                       decoration_style = 0;
                } else if (!strcmp(arg, "--source")) {
                        rev->show_source = 1;
                } else if (!strcmp(arg, "-h")) {
@@ -93,10 +112,20 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
                } else
                        die("unrecognized argument: %s", arg);
        }
+
+       /*
+        * defeat log.decorate configuration interacting with --pretty=raw
+        * from the command line.
+        */
+       if (!decoration_given && rev->pretty_given
+           && rev->commit_format == CMIT_FMT_RAW)
+               decoration_style = 0;
+
        if (decoration_style) {
                rev->show_decorations = 1;
                load_ref_decorations(decoration_style);
        }
+       setup_pager();
 }
 
 /*
@@ -258,10 +287,19 @@ static int git_log_config(const char *var, const char *value, void *cb)
                return git_config_string(&fmt_patch_subject_prefix, var, value);
        if (!strcmp(var, "log.date"))
                return git_config_string(&default_date_mode, var, value);
+       if (!strcmp(var, "log.decorate")) {
+               decoration_style = parse_decoration_style(var, value);
+               if (decoration_style < 0)
+                       decoration_style = 0; /* maybe warn? */
+               return 0;
+       }
        if (!strcmp(var, "log.showroot")) {
                default_show_root = git_config_bool(var, value);
                return 0;
        }
+       if (!prefixcmp(var, "color.decorate."))
+               return parse_decorate_color_config(var, 15, value);
+
        return git_diff_ui_config(var, value, cb);
 }
 
@@ -291,8 +329,7 @@ static void show_tagger(char *buf, int len, struct rev_info *rev)
        struct strbuf out = STRBUF_INIT;
 
        pp_user_info("Tagger", rev->commit_format, &out, buf, rev->date_mode,
-               git_log_output_encoding ?
-               git_log_output_encoding: git_commit_encoding);
+               get_log_output_encoding());
        printf("%s", out.buf);
        strbuf_release(&out);
 }
@@ -454,12 +491,6 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix)
        rev.use_terminator = 1;
        rev.always_show_header = 1;
 
-       /*
-        * We get called through "git reflog", so unlike the other log
-        * routines, we need to set up our pager manually..
-        */
-       setup_pager();
-
        return cmd_log_walk(&rev);
 }
 
@@ -501,13 +532,13 @@ static void add_header(const char *value)
                len--;
 
        if (!strncasecmp(value, "to: ", 4)) {
-               item = string_list_append(value + 4, &extra_to);
+               item = string_list_append(&extra_to, value + 4);
                len -= 4;
        } else if (!strncasecmp(value, "cc: ", 4)) {
-               item = string_list_append(value + 4, &extra_cc);
+               item = string_list_append(&extra_cc, value + 4);
                len -= 4;
        } else {
-               item = string_list_append(value, &extra_hdr);
+               item = string_list_append(&extra_hdr, value);
        }
 
        item->string[len] = '\0';
@@ -515,8 +546,9 @@ static void add_header(const char *value)
 
 #define THREAD_SHALLOW 1
 #define THREAD_DEEP 2
-static int thread = 0;
-static int do_signoff = 0;
+static int thread;
+static int do_signoff;
+static const char *signature = git_version_string;
 
 static int git_format_config(const char *var, const char *value, void *cb)
 {
@@ -531,13 +563,13 @@ static int git_format_config(const char *var, const char *value, void *cb)
        if (!strcmp(var, "format.to")) {
                if (!value)
                        return config_error_nonbool(var);
-               string_list_append(value, &extra_to);
+               string_list_append(&extra_to, value);
                return 0;
        }
        if (!strcmp(var, "format.cc")) {
                if (!value)
                        return config_error_nonbool(var);
-               string_list_append(value, &extra_cc);
+               string_list_append(&extra_cc, value);
                return 0;
        }
        if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
@@ -575,6 +607,8 @@ static int git_format_config(const char *var, const char *value, void *cb)
                do_signoff = git_config_bool(var, value);
                return 0;
        }
+       if (!strcmp(var, "format.signature"))
+               return git_config_string(&signature, var, value);
 
        return git_log_config(var, value, cb);
 }
@@ -669,6 +703,12 @@ static void gen_message_id(struct rev_info *info, char *base)
        info->message_id = strbuf_detach(&buf, NULL);
 }
 
+static void print_signature(void)
+{
+       if (signature && *signature)
+               printf("-- \n%s\n\n", signature);
+}
+
 static void make_cover_letter(struct rev_info *rev, int use_stdout,
                              int numbered, int numbered_files,
                              struct commit *origin,
@@ -762,6 +802,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        diff_flush(&opts);
 
        printf("\n");
+       print_signature();
 }
 
 static const char *clean_message_id(const char *msg_id)
@@ -915,7 +956,7 @@ static int to_callback(const struct option *opt, const char *arg, int unset)
        if (unset)
                string_list_clear(&extra_to, 0);
        else
-               string_list_append(arg, &extra_to);
+               string_list_append(&extra_to, arg);
        return 0;
 }
 
@@ -924,7 +965,7 @@ static int cc_callback(const struct option *opt, const char *arg, int unset)
        if (unset)
                string_list_clear(&extra_cc, 0);
        else
-               string_list_append(arg, &extra_cc);
+               string_list_append(&extra_cc, arg);
        return 0;
 }
 
@@ -1001,6 +1042,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                { OPTION_CALLBACK, 0, "thread", &thread, "style",
                            "enable message threading, styles: shallow, deep",
                            PARSE_OPT_OPTARG, thread_callback },
+               OPT_STRING(0, "signature", &signature, "signature",
+                           "add a signature"),
                OPT_END()
        };
 
@@ -1012,8 +1055,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        rev.commit_format = CMIT_FMT_EMAIL;
        rev.verbose_header = 1;
        rev.diff = 1;
-       rev.combine_merges = 0;
-       rev.ignore_merges = 1;
+       rev.no_merges = 1;
        DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
        rev.subject_prefix = fmt_patch_subject_prefix;
        memset(&s_r_opt, 0, sizeof(s_r_opt));
@@ -1116,6 +1158,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 
        if (!use_stdout)
                output_directory = set_outdir(prefix, output_directory);
+       else
+               setup_pager();
 
        if (output_directory) {
                if (use_stdout)
@@ -1184,10 +1228,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        continue;
                }
 
-               /* ignore merges */
-               if (commit->parents && commit->parents->next)
-                       continue;
-
                if (ignore_if_in_upstream &&
                                has_commit_patch_id(commit, &ids))
                        continue;
@@ -1205,7 +1245,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
        if (in_reply_to) {
                const char *msgid = clean_message_id(in_reply_to);
-               string_list_append(msgid, rev.ref_message_ids);
+               string_list_append(rev.ref_message_ids, msgid);
        }
        rev.numbered_files = numbered_files;
        rev.patch_suffix = fmt_patch_suffix;
@@ -1252,8 +1292,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                                    && (!cover_letter || rev.nr > 1))
                                        free(rev.message_id);
                                else
-                                       string_list_append(rev.message_id,
-                                                          rev.ref_message_ids);
+                                       string_list_append(rev.ref_message_ids,
+                                                          rev.message_id);
                        }
                        gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
                }
@@ -1279,7 +1319,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                                       mime_boundary_leader,
                                       rev.mime_boundary);
                        else
-                               printf("-- \n%s\n\n", git_version_string);
+                               print_signature();
                }
                if (!use_stdout)
                        fclose(stdout);
@@ -1326,7 +1366,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
 
        struct option options[] = {
                OPT__ABBREV(&abbrev),
-               OPT__VERBOSE(&verbose),
+               OPT__VERBOSE(&verbose, "be verbose"),
                OPT_END()
        };