Merge branch 'rs/memmem'
[gitweb.git] / builtin-log.c
index 4420b4fd4f871d1284b90e80fa58fbe529b61592..8684fcdb67fc0216ffc860f60f5c060f10907b83 100644 (file)
@@ -16,6 +16,8 @@
 #include "patch-ids.h"
 #include "run-command.h"
 #include "shortlog.h"
+#include "remote.h"
+#include "string-list.h"
 
 /* Set a default date-time format for git log ("log.date" config variable) */
 static const char *default_date_mode = NULL;
@@ -249,22 +251,13 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix)
 
 static void show_tagger(char *buf, int len, struct rev_info *rev)
 {
-       char *email_end, *p;
-       unsigned long date;
-       int tz;
+       struct strbuf out = STRBUF_INIT;
 
-       email_end = memchr(buf, '>', len);
-       if (!email_end)
-               return;
-       p = ++email_end;
-       while (isspace(*p))
-               p++;
-       date = strtoul(p, &p, 10);
-       while (isspace(*p))
-               p++;
-       tz = (int)strtol(p, NULL, 10);
-       printf("Tagger: %.*s\nDate:   %s\n", (int)(email_end - buf), buf,
-              show_date(date, tz, rev->date_mode));
+       pp_user_info("Tagger", rev->commit_format, &out, buf, rev->date_mode,
+               git_log_output_encoding ?
+               git_log_output_encoding: git_commit_encoding);
+       printf("%s\n", out.buf);
+       strbuf_release(&out);
 }
 
 static int show_object(const unsigned char *sha1, int show_tag_object,
@@ -436,6 +429,8 @@ static const char *fmt_patch_suffix = ".patch";
 static int numbered = 0;
 static int auto_number = 1;
 
+static char *default_attach = NULL;
+
 static char **extra_hdr;
 static int extra_hdr_nr;
 static int extra_hdr_alloc;
@@ -467,6 +462,10 @@ static void add_header(const char *value)
        extra_hdr[extra_hdr_nr++] = xstrndup(value, len);
 }
 
+#define THREAD_SHALLOW 1
+#define THREAD_DEEP 2
+static int thread = 0;
+
 static int git_format_config(const char *var, const char *value, void *cb)
 {
        if (!strcmp(var, "format.headers")) {
@@ -496,6 +495,25 @@ static int git_format_config(const char *var, const char *value, void *cb)
                auto_number = auto_number && numbered;
                return 0;
        }
+       if (!strcmp(var, "format.attach")) {
+               if (value && *value)
+                       default_attach = xstrdup(value);
+               else
+                       default_attach = xstrdup(git_version_string);
+               return 0;
+       }
+       if (!strcmp(var, "format.thread")) {
+               if (value && !strcasecmp(value, "deep")) {
+                       thread = THREAD_DEEP;
+                       return 0;
+               }
+               if (value && !strcasecmp(value, "shallow")) {
+                       thread = THREAD_SHALLOW;
+                       return 0;
+               }
+               thread = git_config_bool(var, value) && THREAD_SHALLOW;
+               return 0;
+       }
 
        return git_log_config(var, value, cb);
 }
@@ -553,6 +571,7 @@ static const char *get_oneline_for_filename(struct commit *commit,
 
 static FILE *realstdout = NULL;
 static const char *output_directory = NULL;
+static int outdir_offset;
 
 static int reopen_stdout(const char *oneline, int nr, int total)
 {
@@ -579,7 +598,7 @@ static int reopen_stdout(const char *oneline, int nr, int total)
                strcpy(filename + len, fmt_patch_suffix);
        }
 
-       fprintf(realstdout, "%s\n", filename);
+       fprintf(realstdout, "%s\n", filename + outdir_offset);
        if (freopen(filename, "w", stdout) == NULL)
                return error("Cannot open patch file %s",filename);
 
@@ -740,6 +759,27 @@ static const char *clean_message_id(const char *msg_id)
        return xmemdupz(a, z - a);
 }
 
+static const char *set_outdir(const char *prefix, const char *output_directory)
+{
+       if (output_directory && is_absolute_path(output_directory))
+               return output_directory;
+
+       if (!prefix || !*prefix) {
+               if (output_directory)
+                       return output_directory;
+               /* The user did not explicitly ask for "./" */
+               outdir_offset = 2;
+               return "./";
+       }
+
+       outdir_offset = strlen(prefix);
+       if (!output_directory)
+               return prefix;
+
+       return xstrdup(prefix_filename(prefix, outdir_offset,
+                                      output_directory));
+}
+
 int cmd_format_patch(int argc, const char **argv, const char *prefix)
 {
        struct commit *commit;
@@ -752,7 +792,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        int numbered_files = 0;         /* _just_ numbers */
        int subject_prefix = 0;
        int ignore_if_in_upstream = 0;
-       int thread = 0;
        int cover_letter = 0;
        int boundary_count = 0;
        int no_binary_diff = 0;
@@ -773,6 +812,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 
        rev.subject_prefix = fmt_patch_subject_prefix;
 
+       if (default_attach) {
+               rev.mime_boundary = default_attach;
+               rev.no_inline = 1;
+       }
+
        /*
         * Parse the arguments before setup_revisions(), or something
         * like "git format-patch -o a123 HEAD^.." may fail; a123 is
@@ -824,7 +868,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        committer = git_committer_info(IDENT_ERROR_ON_NO_NAME);
                        endpos = strchr(committer, '>');
                        if (!endpos)
-                               die("bogus committer info %s\n", committer);
+                               die("bogus committer info %s", committer);
                        add_signoff = xmemdupz(committer, endpos - committer + 1);
                }
                else if (!strcmp(argv[i], "--attach")) {
@@ -835,6 +879,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        rev.mime_boundary = argv[i] + 9;
                        rev.no_inline = 1;
                }
+               else if (!strcmp(argv[i], "--no-attach")) {
+                       rev.mime_boundary = NULL;
+                       rev.no_inline = 0;
+               }
                else if (!strcmp(argv[i], "--inline")) {
                        rev.mime_boundary = git_version_string;
                        rev.no_inline = 0;
@@ -845,8 +893,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                }
                else if (!strcmp(argv[i], "--ignore-if-in-upstream"))
                        ignore_if_in_upstream = 1;
-               else if (!strcmp(argv[i], "--thread"))
-                       thread = 1;
+               else if (!strcmp(argv[i], "--thread")
+                       || !strcmp(argv[i], "--thread=shallow"))
+                       thread = THREAD_SHALLOW;
+               else if (!strcmp(argv[i], "--thread=deep"))
+                       thread = THREAD_DEEP;
+               else if (!strcmp(argv[i], "--no-thread"))
+                       thread = 0;
                else if (!prefixcmp(argv[i], "--in-reply-to="))
                        in_reply_to = argv[i] + 14;
                else if (!strcmp(argv[i], "--in-reply-to")) {
@@ -917,8 +970,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
                DIFF_OPT_SET(&rev.diffopt, BINARY);
 
-       if (!output_directory && !use_stdout)
-               output_directory = prefix;
+       if (!use_stdout)
+               output_directory = set_outdir(prefix, output_directory);
 
        if (output_directory) {
                if (use_stdout)
@@ -997,8 +1050,12 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                numbered = 1;
        if (numbered)
                rev.total = total + start_number - 1;
-       if (in_reply_to)
-               rev.ref_message_id = clean_message_id(in_reply_to);
+       if (in_reply_to || thread || cover_letter)
+               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);
+       }
        if (cover_letter) {
                if (thread)
                        gen_message_id(&rev, "cover");
@@ -1017,15 +1074,33 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        /* Have we already had a message ID? */
                        if (rev.message_id) {
                                /*
-                                * If we've got the ID to be a reply
-                                * to, discard the current ID;
-                                * otherwise, make everything a reply
-                                * to that.
+                                * For deep threading: make every mail
+                                * a reply to the previous one, no
+                                * matter what other options are set.
+                                *
+                                * For shallow threading:
+                                *
+                                * Without --cover-letter and
+                                * --in-reply-to, make every mail a
+                                * reply to the one before.
+                                *
+                                * With --in-reply-to but no
+                                * --cover-letter, make every mail a
+                                * reply to the <reply-to>.
+                                *
+                                * With --cover-letter, make every
+                                * mail but the cover letter a reply
+                                * to the cover letter.  The cover
+                                * letter is a reply to the
+                                * --in-reply-to, if specified.
                                 */
-                               if (rev.ref_message_id)
+                               if (thread == THREAD_SHALLOW
+                                   && rev.ref_message_ids->nr > 0
+                                   && (!cover_letter || rev.nr > 1))
                                        free(rev.message_id);
                                else
-                                       rev.ref_message_id = rev.message_id;
+                                       string_list_append(rev.message_id,
+                                                          rev.ref_message_ids);
                        }
                        gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
                }
@@ -1077,13 +1152,14 @@ static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
 }
 
 static const char cherry_usage[] =
-"git cherry [-v] <upstream> [<head>] [<limit>]";
+"git cherry [-v] [<upstream> [<head> [<limit>]]]";
 int cmd_cherry(int argc, const char **argv, const char *prefix)
 {
        struct rev_info revs;
        struct patch_ids ids;
        struct commit *commit;
        struct commit_list *list = NULL;
+       struct branch *current_branch;
        const char *upstream;
        const char *head = "HEAD";
        const char *limit = NULL;
@@ -1106,7 +1182,17 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
                upstream = argv[1];
                break;
        default:
-               usage(cherry_usage);
+               current_branch = branch_get(NULL);
+               if (!current_branch || !current_branch->merge
+                                       || !current_branch->merge[0]
+                                       || !current_branch->merge[0]->dst) {
+                       fprintf(stderr, "Could not find a tracked"
+                                       " remote branch, please"
+                                       " specify <upstream> manually.\n");
+                       usage(cherry_usage);
+               }
+
+               upstream = current_branch->merge[0]->dst;
        }
 
        init_revisions(&revs, prefix);