]> asedeno.scripts.mit.edu Git - git.git/blobdiff - builtin-apply.c
Merge git://git.kernel.org/pub/scm/gitk/gitk
[git.git] / builtin-apply.c
index 57efcd5aa71e05d5929aa8b5e2aa7ef12cd6d3a1..15432b6782400b556333ee4117c7daaff20412ab 100644 (file)
@@ -144,6 +144,7 @@ struct patch {
        unsigned int old_mode, new_mode;
        int is_new, is_delete;  /* -1 = unknown, 0 = false, 1 = true */
        int rejected;
+       unsigned ws_rule;
        unsigned long deflate_origlen;
        int lines_added, lines_deleted;
        int score;
@@ -691,7 +692,6 @@ static char *git_header_name(char *line, int llen)
                        }
                }
        }
-       return NULL;
 }
 
 /* Verify that we recognize the lines following a git header */
@@ -898,58 +898,24 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc
        return -1;
 }
 
-static void check_whitespace(const char *line, int len)
+static void check_whitespace(const char *line, int len, unsigned ws_rule)
 {
-       const char *err = "Adds trailing whitespace";
-       int seen_space = 0;
-       int i;
-
-       /*
-        * We know len is at least two, since we have a '+' and we
-        * checked that the last character was a '\n' before calling
-        * this function.  That is, an addition of an empty line would
-        * check the '+' here.  Sneaky...
-        */
-       if ((whitespace_rule & WS_TRAILING_SPACE) && isspace(line[len-2]))
-               goto error;
-
-       /*
-        * Make sure that there is no space followed by a tab in
-        * indentation.
-        */
-       if (whitespace_rule & WS_SPACE_BEFORE_TAB) {
-               err = "Space in indent is followed by a tab";
-               for (i = 1; i < len; i++) {
-                       if (line[i] == '\t') {
-                               if (seen_space)
-                                       goto error;
-                       }
-                       else if (line[i] == ' ')
-                               seen_space = 1;
-                       else
-                               break;
-               }
-       }
-
-       /*
-        * Make sure that the indentation does not contain more than
-        * 8 spaces.
-        */
-       if ((whitespace_rule & WS_INDENT_WITH_NON_TAB) &&
-           (8 < len) && !strncmp("+        ", line, 9)) {
-               err = "Indent more than 8 places with spaces";
-               goto error;
-       }
-       return;
+       char *err;
+       unsigned result = check_and_emit_line(line + 1, len - 1, ws_rule,
+           NULL, NULL, NULL, NULL);
+       if (!result)
+               return;
 
- error:
        whitespace_error++;
        if (squelch_whitespace_errors &&
            squelch_whitespace_errors < whitespace_error)
                ;
-       else
-               fprintf(stderr, "%s.\n%s:%d:%.*s\n",
-                       err, patch_input_file, linenr, len-2, line+1);
+       else {
+               err = whitespace_error_string(result);
+               fprintf(stderr, "%s:%d: %s.\n%.*s\n",
+                    patch_input_file, linenr, err, len - 2, line + 1);
+               free(err);
+       }
 }
 
 /*
@@ -1001,7 +967,7 @@ static int parse_fragment(char *line, unsigned long size,
                case '-':
                        if (apply_in_reverse &&
                            ws_error_action != nowarn_ws_error)
-                               check_whitespace(line, len);
+                               check_whitespace(line, len, patch->ws_rule);
                        deleted++;
                        oldlines--;
                        trailing = 0;
@@ -1009,7 +975,7 @@ static int parse_fragment(char *line, unsigned long size,
                case '+':
                        if (!apply_in_reverse &&
                            ws_error_action != nowarn_ws_error)
-                               check_whitespace(line, len);
+                               check_whitespace(line, len, patch->ws_rule);
                        added++;
                        newlines--;
                        trailing = 0;
@@ -1318,6 +1284,10 @@ static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
        if (offset < 0)
                return offset;
 
+       patch->ws_rule = whitespace_rule(patch->new_name
+                                        ? patch->new_name
+                                        : patch->old_name);
+
        patchsize = parse_single_patch(buffer + offset + hdrsize,
                                       size - offset - hdrsize, patch);
 
@@ -1568,7 +1538,8 @@ static void remove_last_line(const char **rbuf, int *rsize)
        *rsize = offset + 1;
 }
 
-static int apply_line(char *output, const char *patch, int plen)
+static int apply_line(char *output, const char *patch, int plen,
+                     unsigned ws_rule)
 {
        /*
         * plen is number of bytes to be copied from patch,
@@ -1579,8 +1550,8 @@ static int apply_line(char *output, const char *patch, int plen)
        int i;
        int add_nl_to_tail = 0;
        int fixed = 0;
-       int last_tab_in_indent = -1;
-       int last_space_in_indent = -1;
+       int last_tab_in_indent = 0;
+       int last_space_in_indent = 0;
        int need_fix_leading_space = 0;
        char *buf;
 
@@ -1593,7 +1564,7 @@ static int apply_line(char *output, const char *patch, int plen)
        /*
         * Strip trailing whitespace
         */
-       if ((whitespace_rule & WS_TRAILING_SPACE) &&
+       if ((ws_rule & WS_TRAILING_SPACE) &&
            (1 < plen && isspace(patch[plen-1]))) {
                if (patch[plen] == '\n')
                        add_nl_to_tail = 1;
@@ -1610,14 +1581,13 @@ static int apply_line(char *output, const char *patch, int plen)
                char ch = patch[i];
                if (ch == '\t') {
                        last_tab_in_indent = i;
-                       if ((whitespace_rule & WS_SPACE_BEFORE_TAB) &&
-                           0 <= last_space_in_indent)
+                       if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
+                           0 < last_space_in_indent)
                            need_fix_leading_space = 1;
                } else if (ch == ' ') {
                        last_space_in_indent = i;
-                       if ((whitespace_rule & WS_INDENT_WITH_NON_TAB) &&
-                           last_tab_in_indent < 0 &&
-                           8 <= i)
+                       if ((ws_rule & WS_INDENT_WITH_NON_TAB) &&
+                           8 <= i - last_tab_in_indent)
                                need_fix_leading_space = 1;
                }
                else
@@ -1629,7 +1599,7 @@ static int apply_line(char *output, const char *patch, int plen)
                int consecutive_spaces = 0;
                int last = last_tab_in_indent + 1;
 
-               if (whitespace_rule & WS_INDENT_WITH_NON_TAB) {
+               if (ws_rule & WS_INDENT_WITH_NON_TAB) {
                        /* have "last" point at one past the indent */
                        if (last_tab_in_indent < last_space_in_indent)
                                last = last_space_in_indent + 1;
@@ -1671,7 +1641,7 @@ static int apply_line(char *output, const char *patch, int plen)
 }
 
 static int apply_one_fragment(struct strbuf *buf, struct fragment *frag,
-                             int inaccurate_eof)
+                             int inaccurate_eof, unsigned ws_rule)
 {
        int match_beginning, match_end;
        const char *patch = frag->patch;
@@ -1730,7 +1700,7 @@ static int apply_one_fragment(struct strbuf *buf, struct fragment *frag,
                case '+':
                        if (first != '+' || !no_add) {
                                int added = apply_line(new + newsize, patch,
-                                                      plen);
+                                                      plen, ws_rule);
                                newsize += added;
                                if (first == '+' &&
                                    added == 1 && new[newsize-1] == '\n')
@@ -1953,12 +1923,14 @@ static int apply_fragments(struct strbuf *buf, struct patch *patch)
 {
        struct fragment *frag = patch->fragments;
        const char *name = patch->old_name ? patch->old_name : patch->new_name;
+       unsigned ws_rule = patch->ws_rule;
+       unsigned inaccurate_eof = patch->inaccurate_eof;
 
        if (patch->is_binary)
                return apply_binary(buf, patch);
 
        while (frag) {
-               if (apply_one_fragment(buf, frag, patch->inaccurate_eof)) {
+               if (apply_one_fragment(buf, frag, inaccurate_eof, ws_rule)) {
                        error("patch failed: %s:%ld", name, frag->oldpos);
                        if (!apply_with_reject)
                                return -1;
@@ -2056,7 +2028,7 @@ static int verify_index_match(struct cache_entry *ce, struct stat *st)
                        return -1;
                return 0;
        }
-       return ce_match_stat(ce, st, 1);
+       return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID);
 }
 
 static int check_patch(struct patch *patch, struct patch *prev_patch)
@@ -2935,7 +2907,7 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
                            whitespace_error,
                            whitespace_error == 1 ? "" : "s",
                            whitespace_error == 1 ? "s" : "");
-               if (applied_after_fixing_ws)
+               if (applied_after_fixing_ws && apply)
                        fprintf(stderr, "warning: %d line%s applied after"
                                " fixing whitespace errors.\n",
                                applied_after_fixing_ws,
@@ -2949,7 +2921,7 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
 
        if (update_index) {
                if (write_cache(newfd, active_cache, active_nr) ||
-                   close(newfd) || commit_locked_index(&lock_file))
+                   commit_locked_index(&lock_file))
                        die("Unable to write new index file");
        }