Merge branch 'pw/maint-p4-rcs-expansion-newline' into maint

diff --git a/builtin/commit.c b/builtin/commit.c
index feb43f49dc02608f9a2a6b95297edc4aabfe99ee..a17a5df4494e9414bd4b04fd008671d84d914ca0 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -28,6 +28,7 @@
 #include "submodule.h"
 #include "gpg-interface.h"
 #include "column.h"
+#include "sequencer.h"
 
 static const char * const builtin_commit_usage[] = {
        N_("git commit [options] [--] <filepattern>..."),
@@ -466,8 +467,6 @@ static int is_a_merge(const struct commit *current_head)
        return !!(current_head->parents && current_head->parents->next);
 }
 
-static const char sign_off_header[] = "Signed-off-by: ";
-
 static void export_one(const char *var, const char *s, const char *e, int hack)
 {
        struct strbuf buf = STRBUF_INIT;
@@ -478,6 +477,20 @@ static void export_one(const char *var, const char *s, const char *e, int hack)
        strbuf_release(&buf);
 }
 
+static int sane_ident_split(struct ident_split *person)
+{
+       if (!person->name_begin || !person->name_end ||
+           person->name_begin == person->name_end)
+               return 0; /* no human readable name */
+       if (!person->mail_begin || !person->mail_end ||
+           person->mail_begin == person->mail_end)
+               return 0; /* no usable mail */
+       if (!person->date_begin || !person->date_end ||
+           !person->tz_begin || !person->tz_end)
+               return 0;
+       return 1;
+}
+
 static void determine_author_info(struct strbuf *author_ident)
 {
        char *name, *email, *date;
@@ -530,54 +543,14 @@ static void determine_author_info(struct strbuf *author_ident)
        if (force_date)
                date = force_date;
        strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT));
-       if (!split_ident_line(&author, author_ident->buf, author_ident->len)) {
+       if (!split_ident_line(&author, author_ident->buf, author_ident->len) &&
+           sane_ident_split(&author)) {
                export_one("GIT_AUTHOR_NAME", author.name_begin, author.name_end, 0);
                export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0);
                export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@');
        }
 }
 
-static int ends_rfc2822_footer(struct strbuf *sb)
-{
-       int ch;
-       int hit = 0;
-       int i, j, k;
-       int len = sb->len;
-       int first = 1;
-       const char *buf = sb->buf;
-
-       for (i = len - 1; i > 0; i--) {
-               if (hit && buf[i] == '\n')
-                       break;
-               hit = (buf[i] == '\n');
-       }
-
-       while (i < len - 1 && buf[i] == '\n')
-               i++;
-
-       for (; i < len; i = k) {
-               for (k = i; k < len && buf[k] != '\n'; k++)
-                       ; /* do nothing */
-               k++;
-
-               if ((buf[k] == ' ' || buf[k] == '\t') && !first)
-                       continue;
-
-               first = 0;
-
-               for (j = 0; i + j < len; j++) {
-                       ch = buf[i + j];
-                       if (ch == ':')
-                               break;
-                       if (isalnum(ch) ||
-                           (ch == '-'))
-                               continue;
-                       return 0;
-               }
-       }
-       return 1;
-}
-
 static char *cut_ident_timestamp_part(char *string)
 {
        char *ket = strrchr(string, '>');
@@ -702,21 +675,30 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                stripspace(&sb, 0);
 
        if (signoff) {
-               struct strbuf sob = STRBUF_INIT;
-               int i;
-
-               strbuf_addstr(&sob, sign_off_header);
-               strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
-                                            getenv("GIT_COMMITTER_EMAIL")));
-               strbuf_addch(&sob, '\n');
-               for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--)
-                       ; /* do nothing */
-               if (prefixcmp(sb.buf + i, sob.buf)) {
-                       if (!i || !ends_rfc2822_footer(&sb))
-                               strbuf_addch(&sb, '\n');
-                       strbuf_addbuf(&sb, &sob);
+               /*
+                * See if we have a Conflicts: block at the end. If yes, count
+                * its size, so we can ignore it.
+                */
+               int ignore_footer = 0;
+               int i, eol, previous = 0;
+               const char *nl;
+
+               for (i = 0; i < sb.len; i++) {
+                       nl = memchr(sb.buf + i, '\n', sb.len - i);
+                       if (nl)
+                               eol = nl - sb.buf;
+                       else
+                               eol = sb.len;
+                       if (!prefixcmp(sb.buf + previous, "\nConflicts:\n")) {
+                               ignore_footer = sb.len - previous;
+                               break;
+                       }
+                       while (i < eol)
+                               i++;
+                       previous = eol;
                }
-               strbuf_release(&sob);
+
+               append_signoff(&sb, ignore_footer);
        }
 
        if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
@@ -1437,6 +1419,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                usage_with_options(builtin_commit_usage, builtin_commit_options);
 
        wt_status_prepare(&s);
+       gitmodules_config();
        git_config(git_commit_config, &s);
        determine_whence(&s);
        s.colopts = 0;