remote-hg: fix compatibility with older versions of hg

diff --git a/builtin/commit.c b/builtin/commit.c
index 778cf16fde64ab81bbe75ec0949a77e6fd9ee702..1dd2ec5e6f878c02e2858d72f08d8b88d67bcd85 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>..."),
@@ -111,10 +112,11 @@ static const char *only_include_assumed;
 static struct strbuf message = STRBUF_INIT;
 
 static enum {
+       STATUS_FORMAT_NONE = 0,
        STATUS_FORMAT_LONG,
        STATUS_FORMAT_SHORT,
        STATUS_FORMAT_PORCELAIN
-} status_format = STATUS_FORMAT_LONG;
+} status_format;
 
 static int opt_parse_m(const struct option *opt, const char *arg, int unset)
 {
@@ -453,6 +455,7 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
        case STATUS_FORMAT_PORCELAIN:
                wt_porcelain_print(s);
                break;
+       case STATUS_FORMAT_NONE:
        case STATUS_FORMAT_LONG:
                wt_status_print(s);
                break;
@@ -466,8 +469,6 @@ 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;
@@ -552,47 +553,6 @@ static void determine_author_info(struct strbuf *author_ident)
        }
 }
 
-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, '>');
@@ -717,21 +677,30 @@ 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)
@@ -1091,9 +1060,13 @@ static int parse_and_validate_options(int argc, const char *argv[],
        if (all && argc > 0)
                die(_("Paths with -a does not make sense."));
 
-       if (s->null_termination && status_format == STATUS_FORMAT_LONG)
-               status_format = STATUS_FORMAT_PORCELAIN;
-       if (status_format != STATUS_FORMAT_LONG)
+       if (s->null_termination) {
+               if (status_format == STATUS_FORMAT_NONE)
+                       status_format = STATUS_FORMAT_PORCELAIN;
+               else if (status_format == STATUS_FORMAT_LONG)
+                       die(_("--long and -z are incompatible"));
+       }
+       if (status_format != STATUS_FORMAT_NONE)
                dry_run = 1;
 
        return argc;
@@ -1192,6 +1165,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                OPT_SET_INT(0, "porcelain", &status_format,
                            N_("machine-readable output"),
                            STATUS_FORMAT_PORCELAIN),
+               OPT_SET_INT(0, "long", &status_format,
+                           N_("show status in long format (default)"),
+                           STATUS_FORMAT_LONG),
                OPT_BOOLEAN('z', "null", &s.null_termination,
                            N_("terminate entries with NUL")),
                { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg,
@@ -1219,8 +1195,12 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                             builtin_status_usage, 0);
        finalize_colopts(&s.colopts, -1);
 
-       if (s.null_termination && status_format == STATUS_FORMAT_LONG)
-               status_format = STATUS_FORMAT_PORCELAIN;
+       if (s.null_termination) {
+               if (status_format == STATUS_FORMAT_NONE)
+                       status_format = STATUS_FORMAT_PORCELAIN;
+               else if (status_format == STATUS_FORMAT_LONG)
+                       die(_("--long and -z are incompatible"));
+       }
 
        handle_untracked_files_arg(&s);
        if (show_ignored_in_status)
@@ -1249,6 +1229,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
        case STATUS_FORMAT_PORCELAIN:
                wt_porcelain_print(&s);
                break;
+       case STATUS_FORMAT_NONE:
        case STATUS_FORMAT_LONG:
                s.verbose = verbose;
                s.ignore_submodule_arg = ignore_submodule_arg;
@@ -1419,6 +1400,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN(0, "branch", &s.show_branch, N_("show branch information")),
                OPT_SET_INT(0, "porcelain", &status_format,
                            N_("machine-readable output"), STATUS_FORMAT_PORCELAIN),
+               OPT_SET_INT(0, "long", &status_format,
+                           N_("show status in long format (default)"),
+                           STATUS_FORMAT_LONG),
                OPT_BOOLEAN('z', "null", &s.null_termination,
                            N_("terminate entries with NUL")),
                OPT_BOOLEAN(0, "amend", &amend, N_("amend previous commit")),
@@ -1452,6 +1436,7 @@ 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;