rev-parse --branches/--tags/--remotes=pattern
[gitweb.git] / pretty.c
index 421d9c5bca2224777808ccc06fe4912ba8793229..8f5bd1ab7f119715564fb13cb74de3937d1a3774 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -6,9 +6,21 @@
 #include "string-list.h"
 #include "mailmap.h"
 #include "log-tree.h"
+#include "notes.h"
+#include "color.h"
+#include "reflog-walk.h"
 
 static char *user_format;
 
+static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat)
+{
+       free(user_format);
+       user_format = xstrdup(cp);
+       if (is_tformat)
+               rev->use_terminator = 1;
+       rev->commit_format = CMIT_FMT_USERFORMAT;
+}
+
 void get_commit_format(const char *arg, struct rev_info *rev)
 {
        int i;
@@ -32,12 +44,7 @@ void get_commit_format(const char *arg, struct rev_info *rev)
                return;
        }
        if (!prefixcmp(arg, "format:") || !prefixcmp(arg, "tformat:")) {
-               const char *cp = strchr(arg, ':') + 1;
-               free(user_format);
-               user_format = xstrdup(cp);
-               if (arg[0] == 't')
-                       rev->use_terminator = 1;
-               rev->commit_format = CMIT_FMT_USERFORMAT;
+               save_user_format(rev, strchr(arg, ':') + 1, arg[0] == 't');
                return;
        }
        for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
@@ -49,6 +56,10 @@ void get_commit_format(const char *arg, struct rev_info *rev)
                        return;
                }
        }
+       if (strchr(arg, '%')) {
+               save_user_format(rev, arg, 1);
+               return;
+       }
 
        die("invalid --pretty format: %s", arg);
 }
@@ -74,8 +85,19 @@ static int get_one_line(const char *msg)
 /* High bit set, or ISO-2022-INT */
 int non_ascii(int ch)
 {
-       ch = (ch & 0xff);
-       return ((ch & 0x80) || (ch == 0x1b));
+       return !isascii(ch) || ch == '\033';
+}
+
+int has_non_ascii(const char *s)
+{
+       int ch;
+       if (!s)
+               return 0;
+       while ((ch = *s++) != '\0') {
+               if (non_ascii(ch))
+                       return 1;
+       }
+       return 0;
 }
 
 static int is_rfc2047_special(char ch)
@@ -127,7 +149,6 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
        int namelen;
        unsigned long time;
        int tz;
-       const char *filler = "    ";
 
        if (fmt == CMIT_FMT_ONELINE)
                return;
@@ -146,7 +167,6 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
                while (line < name_tail && isspace(name_tail[-1]))
                        name_tail--;
                display_name_length = name_tail - line;
-               filler = "";
                strbuf_addstr(sb, "From: ");
                add_rfc2047(sb, line, display_name_length, encoding);
                strbuf_add(sb, name_tail, namelen - display_name_length);
@@ -154,7 +174,7 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
        } else {
                strbuf_addf(sb, "%s: %.*s%.*s\n", what,
                              (fmt == CMIT_FMT_FULLER) ? 4 : 0,
-                             filler, namelen, line);
+                             "    ", namelen, line);
        }
        switch (fmt) {
        case CMIT_FMT_MEDIUM:
@@ -209,15 +229,13 @@ static void add_merge_info(enum cmit_fmt fmt, struct strbuf *sb,
        while (parent) {
                struct commit *p = parent->item;
                const char *hex = NULL;
-               const char *dots;
                if (abbrev)
                        hex = find_unique_abbrev(p->object.sha1, abbrev);
                if (!hex)
                        hex = sha1_to_hex(p->object.sha1);
-               dots = (abbrev && strlen(hex) != 40) ?  "..." : "";
                parent = parent->next;
 
-               strbuf_addf(sb, " %s%s", hex, dots);
+               strbuf_addf(sb, " %s", hex);
        }
        strbuf_addch(sb, '\n');
 }
@@ -280,7 +298,7 @@ static char *replace_encoding_header(char *buf, const char *encoding)
 static char *logmsg_reencode(const struct commit *commit,
                             const char *output_encoding)
 {
-       static const char *utf8 = "utf-8";
+       static const char *utf8 = "UTF-8";
        const char *use_encoding;
        char *encoding;
        char *out;
@@ -304,23 +322,14 @@ static char *logmsg_reencode(const struct commit *commit,
        return out;
 }
 
-static int mailmap_name(struct strbuf *sb, const char *email)
+static int mailmap_name(char *email, int email_len, char *name, int name_len)
 {
        static struct string_list *mail_map;
-       char buffer[1024];
-
        if (!mail_map) {
                mail_map = xcalloc(1, sizeof(*mail_map));
-               read_mailmap(mail_map, ".mailmap", NULL);
+               read_mailmap(mail_map, NULL);
        }
-
-       if (!mail_map->nr)
-               return -1;
-
-       if (!map_email(mail_map, email, buffer, sizeof(buffer)))
-               return -1;
-       strbuf_addstr(sb, buffer);
-       return 0;
+       return mail_map->nr && map_user(mail_map, email, email_len, name, name_len);
 }
 
 static size_t format_person_part(struct strbuf *sb, char part,
@@ -331,6 +340,9 @@ static size_t format_person_part(struct strbuf *sb, char part,
        int start, end, tz = 0;
        unsigned long date = 0;
        char *ep;
+       const char *name_start, *name_end, *mail_start, *mail_end, *msg_end = msg+len;
+       char person_name[1024];
+       char person_mail[1024];
 
        /* advance 'end' to point to email start delimiter */
        for (end = 0; end < len && msg[end] != '<'; end++)
@@ -344,25 +356,34 @@ static size_t format_person_part(struct strbuf *sb, char part,
        if (end >= len - 2)
                goto skip;
 
+       /* Seek for both name and email part */
+       name_start = msg;
+       name_end = msg+end;
+       while (name_end > name_start && isspace(*(name_end-1)))
+               name_end--;
+       mail_start = msg+end+1;
+       mail_end = mail_start;
+       while (mail_end < msg_end && *mail_end != '>')
+               mail_end++;
+       if (mail_end == msg_end)
+               goto skip;
+       end = mail_end-msg;
+
+       if (part == 'N' || part == 'E') { /* mailmap lookup */
+               strlcpy(person_name, name_start, name_end-name_start+1);
+               strlcpy(person_mail, mail_start, mail_end-mail_start+1);
+               mailmap_name(person_mail, sizeof(person_mail), person_name, sizeof(person_name));
+               name_start = person_name;
+               name_end = name_start + strlen(person_name);
+               mail_start = person_mail;
+               mail_end = mail_start +  strlen(person_mail);
+       }
        if (part == 'n' || part == 'N') {       /* name */
-               while (end > 0 && isspace(msg[end - 1]))
-                       end--;
-               if (part != 'N' || !msg[end] || !msg[end + 1] ||
-                   mailmap_name(sb, msg + end + 2) < 0)
-                       strbuf_add(sb, msg, end);
+               strbuf_add(sb, name_start, name_end-name_start);
                return placeholder_len;
        }
-       start = ++end; /* save email start position */
-
-       /* advance 'end' to point to email end delimiter */
-       for ( ; end < len && msg[end] != '>'; end++)
-               ; /* do nothing */
-
-       if (end >= len)
-               goto skip;
-
-       if (part == 'e') {      /* email */
-               strbuf_add(sb, msg + start, end - start);
+       if (part == 'e' || part == 'E') {       /* email */
+               strbuf_add(sb, mail_start, mail_end-mail_start);
                return placeholder_len;
        }
 
@@ -423,9 +444,10 @@ struct chunk {
 
 struct format_commit_context {
        const struct commit *commit;
-       enum date_mode dmode;
+       const struct pretty_print_context *pretty_ctx;
        unsigned commit_header_parsed:1;
        unsigned commit_message_parsed:1;
+       size_t width, indent1, indent2;
 
        /* These offsets are relative to the start of the commit message. */
        struct chunk author;
@@ -439,6 +461,7 @@ struct format_commit_context {
        struct chunk abbrev_commit_hash;
        struct chunk abbrev_tree_hash;
        struct chunk abbrev_parent_hashes;
+       size_t wrap_start;
 };
 
 static int add_again(struct strbuf *sb, struct chunk *chunk)
@@ -486,6 +509,40 @@ static void parse_commit_header(struct format_commit_context *context)
        context->commit_header_parsed = 1;
 }
 
+static int istitlechar(char c)
+{
+       return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
+               (c >= '0' && c <= '9') || c == '.' || c == '_';
+}
+
+static void format_sanitized_subject(struct strbuf *sb, const char *msg)
+{
+       size_t trimlen;
+       size_t start_len = sb->len;
+       int space = 2;
+
+       for (; *msg && *msg != '\n'; msg++) {
+               if (istitlechar(*msg)) {
+                       if (space == 1)
+                               strbuf_addch(sb, '-');
+                       space = 0;
+                       strbuf_addch(sb, *msg);
+                       if (*msg == '.')
+                               while (*(msg+1) == '.')
+                                       msg++;
+               } else
+                       space |= 1;
+       }
+
+       /* trim any trailing '.' or '-' characters */
+       trimlen = 0;
+       while (sb->len - trimlen > start_len &&
+               (sb->buf[sb->len - 1 - trimlen] == '.'
+               || sb->buf[sb->len - 1 - trimlen] == '-'))
+               trimlen++;
+       strbuf_remove(sb, sb->len - trimlen, trimlen);
+}
+
 const char *format_subject(struct strbuf *sb, const char *msg,
                           const char *line_separator)
 {
@@ -530,7 +587,7 @@ static void format_decoration(struct strbuf *sb, const struct commit *commit)
        struct name_decoration *d;
        const char *prefix = " (";
 
-       load_ref_decorations();
+       load_ref_decorations(DECORATE_SHORT_REFS);
        d = lookup_decoration(&name_decoration, &commit->object);
        while (d) {
                strbuf_addstr(sb, prefix);
@@ -542,8 +599,37 @@ static void format_decoration(struct strbuf *sb, const struct commit *commit)
                strbuf_addch(sb, ')');
 }
 
-static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
-                               void *context)
+static void strbuf_wrap(struct strbuf *sb, size_t pos,
+                       size_t width, size_t indent1, size_t indent2)
+{
+       struct strbuf tmp = STRBUF_INIT;
+
+       if (pos)
+               strbuf_add(&tmp, sb->buf, pos);
+       strbuf_add_wrapped_text(&tmp, sb->buf + pos,
+                               (int) indent1, (int) indent2, (int) width);
+       strbuf_swap(&tmp, sb);
+       strbuf_release(&tmp);
+}
+
+static void rewrap_message_tail(struct strbuf *sb,
+                               struct format_commit_context *c,
+                               size_t new_width, size_t new_indent1,
+                               size_t new_indent2)
+{
+       if (c->width == new_width && c->indent1 == new_indent1 &&
+           c->indent2 == new_indent2)
+               return;
+       if (c->wrap_start < sb->len)
+               strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2);
+       c->wrap_start = sb->len;
+       c->width = new_width;
+       c->indent1 = new_indent1;
+       c->indent2 = new_indent2;
+}
+
+static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
+                               void *context)
 {
        struct format_commit_context *c = context;
        const struct commit *commit = c->commit;
@@ -554,17 +640,28 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        /* these are independent of the commit */
        switch (placeholder[0]) {
        case 'C':
+               if (placeholder[1] == '(') {
+                       const char *end = strchr(placeholder + 2, ')');
+                       char color[COLOR_MAXLEN];
+                       if (!end)
+                               return 0;
+                       color_parse_mem(placeholder + 2,
+                                       end - (placeholder + 2),
+                                       "--pretty format", color);
+                       strbuf_addstr(sb, color);
+                       return end - placeholder + 1;
+               }
                if (!prefixcmp(placeholder + 1, "red")) {
-                       strbuf_addstr(sb, "\033[31m");
+                       strbuf_addstr(sb, GIT_COLOR_RED);
                        return 4;
                } else if (!prefixcmp(placeholder + 1, "green")) {
-                       strbuf_addstr(sb, "\033[32m");
+                       strbuf_addstr(sb, GIT_COLOR_GREEN);
                        return 6;
                } else if (!prefixcmp(placeholder + 1, "blue")) {
-                       strbuf_addstr(sb, "\033[34m");
+                       strbuf_addstr(sb, GIT_COLOR_BLUE);
                        return 5;
                } else if (!prefixcmp(placeholder + 1, "reset")) {
-                       strbuf_addstr(sb, "\033[m");
+                       strbuf_addstr(sb, GIT_COLOR_RESET);
                        return 6;
                } else
                        return 0;
@@ -581,6 +678,30 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
                        return 3;
                } else
                        return 0;
+       case 'w':
+               if (placeholder[1] == '(') {
+                       unsigned long width = 0, indent1 = 0, indent2 = 0;
+                       char *next;
+                       const char *start = placeholder + 2;
+                       const char *end = strchr(start, ')');
+                       if (!end)
+                               return 0;
+                       if (end > start) {
+                               width = strtoul(start, &next, 10);
+                               if (*next == ',') {
+                                       indent1 = strtoul(next + 1, &next, 10);
+                                       if (*next == ',') {
+                                               indent2 = strtoul(next + 1,
+                                                                &next, 10);
+                                       }
+                               }
+                               if (*next != ')')
+                                       return 0;
+                       }
+                       rewrap_message_tail(sb, c, width, indent1, indent2);
+                       return end - placeholder + 1;
+               } else
+                       return 0;
        }
 
        /* these depend on the commit */
@@ -637,6 +758,26 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        case 'd':
                format_decoration(sb, commit);
                return 1;
+       case 'g':               /* reflog info */
+               switch(placeholder[1]) {
+               case 'd':       /* reflog selector */
+               case 'D':
+                       if (c->pretty_ctx->reflog_info)
+                               get_reflog_selector(sb,
+                                                   c->pretty_ctx->reflog_info,
+                                                   c->pretty_ctx->date_mode,
+                                                   (placeholder[1] == 'd'));
+                       return 2;
+               case 's':       /* reflog message */
+                       if (c->pretty_ctx->reflog_info)
+                               get_reflog_message(sb, c->pretty_ctx->reflog_info);
+                       return 2;
+               }
+               return 0;       /* unknown %g placeholder */
+       case 'N':
+               get_commit_notes(commit, sb, git_log_output_encoding ?
+                            git_log_output_encoding : git_commit_encoding, 0);
+               return 1;
        }
 
        /* For the rest we have to parse the commit header. */
@@ -647,11 +788,11 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        case 'a':       /* author ... */
                return format_person_part(sb, placeholder[1],
                                   msg + c->author.off, c->author.len,
-                                  c->dmode);
+                                  c->pretty_ctx->date_mode);
        case 'c':       /* committer ... */
                return format_person_part(sb, placeholder[1],
                                   msg + c->committer.off, c->committer.len,
-                                  c->dmode);
+                                  c->pretty_ctx->date_mode);
        case 'e':       /* encoding */
                strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
                return 1;
@@ -665,6 +806,9 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        case 's':       /* subject */
                format_subject(sb, msg + c->subject_off, " ");
                return 1;
+       case 'f':       /* sanitized subject */
+               format_sanitized_subject(sb, msg + c->subject_off);
+               return 1;
        case 'b':       /* body */
                strbuf_addstr(sb, msg + c->body_off);
                return 1;
@@ -672,16 +816,56 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        return 0;       /* unknown placeholder */
 }
 
+static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
+                                void *context)
+{
+       int consumed;
+       size_t orig_len;
+       enum {
+               NO_MAGIC,
+               ADD_LF_BEFORE_NON_EMPTY,
+               DEL_LF_BEFORE_EMPTY,
+       } magic = NO_MAGIC;
+
+       switch (placeholder[0]) {
+       case '-':
+               magic = DEL_LF_BEFORE_EMPTY;
+               break;
+       case '+':
+               magic = ADD_LF_BEFORE_NON_EMPTY;
+               break;
+       default:
+               break;
+       }
+       if (magic != NO_MAGIC)
+               placeholder++;
+
+       orig_len = sb->len;
+       consumed = format_commit_one(sb, placeholder, context);
+       if (magic == NO_MAGIC)
+               return consumed;
+
+       if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) {
+               while (sb->len && sb->buf[sb->len - 1] == '\n')
+                       strbuf_setlen(sb, sb->len - 1);
+       } else if ((orig_len != sb->len) && magic == ADD_LF_BEFORE_NON_EMPTY) {
+               strbuf_insert(sb, orig_len, "\n", 1);
+       }
+       return consumed + 1;
+}
+
 void format_commit_message(const struct commit *commit,
-                          const void *format, struct strbuf *sb,
-                          enum date_mode dmode)
+                          const char *format, struct strbuf *sb,
+                          const struct pretty_print_context *pretty_ctx)
 {
        struct format_commit_context context;
 
        memset(&context, 0, sizeof(context));
        context.commit = commit;
-       context.dmode = dmode;
+       context.pretty_ctx = pretty_ctx;
+       context.wrap_start = sb->len;
        strbuf_expand(sb, format, format_commit_item, &context);
+       rewrap_message_tail(sb, &context, 0, 0, 0);
 }
 
 static void pp_header(enum cmit_fmt fmt,
@@ -826,25 +1010,25 @@ char *reencode_commit_message(const struct commit *commit, const char **encoding
                    ? git_log_output_encoding
                    : git_commit_encoding);
        if (!encoding)
-               encoding = "utf-8";
+               encoding = "UTF-8";
        if (encoding_p)
                *encoding_p = encoding;
        return logmsg_reencode(commit, encoding);
 }
 
 void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
-                        struct strbuf *sb, int abbrev,
-                        const char *subject, const char *after_subject,
-                        enum date_mode dmode, int need_8bit_cte)
+                        struct strbuf *sb,
+                        const struct pretty_print_context *context)
 {
        unsigned long beginning_of_body;
        int indent = 4;
        const char *msg = commit->buffer;
        char *reencoded;
        const char *encoding;
+       int need_8bit_cte = context->need_8bit_cte;
 
        if (fmt == CMIT_FMT_USERFORMAT) {
-               format_commit_message(commit, user_format, sb, dmode);
+               format_commit_message(commit, user_format, sb, context);
                return;
        }
 
@@ -879,8 +1063,9 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
                }
        }
 
-       pp_header(fmt, abbrev, dmode, encoding, commit, &msg, sb);
-       if (fmt != CMIT_FMT_ONELINE && !subject) {
+       pp_header(fmt, context->abbrev, context->date_mode, encoding,
+                 commit, &msg, sb);
+       if (fmt != CMIT_FMT_ONELINE && !context->subject) {
                strbuf_addch(sb, '\n');
        }
 
@@ -889,8 +1074,8 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
 
        /* These formats treat the title line specially. */
        if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)
-               pp_title_line(fmt, &msg, sb, subject,
-                             after_subject, encoding, need_8bit_cte);
+               pp_title_line(fmt, &msg, sb, context->subject,
+                             context->after_subject, encoding, need_8bit_cte);
 
        beginning_of_body = sb->len;
        if (fmt != CMIT_FMT_ONELINE)
@@ -908,5 +1093,10 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
         */
        if (fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body)
                strbuf_addch(sb, '\n');
+
+       if (fmt != CMIT_FMT_ONELINE)
+               get_commit_notes(commit, sb, encoding,
+                                NOTES_SHOW_HEADER | NOTES_INDENT);
+
        free(reencoded);
 }