tree_entry_interesting(): give meaningful names to return values

diff --git a/builtin/apply.c b/builtin/apply.c
index 36e150768ba88e427e6257900d7ec4c67c8303c1..84a8a0b52136c4d1e43ec10f9ef5ed76b7d3c12f 100644 (file)
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -43,6 +43,7 @@ static int apply = 1;
 static int apply_in_reverse;
 static int apply_with_reject;
 static int apply_verbosely;
+static int allow_overlap;
 static int no_add;
 static const char *fake_ancestor;
 static int line_termination = '\n';
@@ -1406,6 +1407,9 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc
                                            "%d leading pathname components (line %d)" , p_value, linenr);
                                patch->old_name = patch->new_name = patch->def_name;
                        }
+                       if (!patch->is_delete && !patch->new_name)
+                               die("git diff header lacks filename information "
+                                   "(line %d)", linenr);
                        patch->is_toplevel_relative = 1;
                        *hdrsize = git_hdr_len;
                        return offset;
@@ -1633,7 +1637,7 @@ static inline int metadata_changes(struct patch *patch)
 static char *inflate_it(const void *data, unsigned long size,
                        unsigned long inflated_size)
 {
-       z_stream stream;
+       git_zstream stream;
        void *out;
        int st;
 
@@ -2430,9 +2434,9 @@ static void update_image(struct image *img,
        memcpy(img->line + applied_pos,
               postimage->line,
               postimage->nr * sizeof(*img->line));
-       for (i = 0; i < postimage->nr; i++)
-               img->line[applied_pos + i].flag |= LINE_PATCHED;
-
+       if (!allow_overlap)
+               for (i = 0; i < postimage->nr; i++)
+                       img->line[applied_pos + i].flag |= LINE_PATCHED;
        img->nr = nr;
 }
 
@@ -2446,6 +2450,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
        char *old, *oldlines;
        struct strbuf newlines;
        int new_blank_lines_at_end = 0;
+       int found_new_blank_lines_at_end = 0;
+       int hunk_linenr = frag->linenr;
        unsigned long leading, trailing;
        int pos, applied_pos;
        struct image preimage;
@@ -2539,14 +2545,18 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
                                error("invalid start of line: '%c'", first);
                        return -1;
                }
-               if (added_blank_line)
+               if (added_blank_line) {
+                       if (!new_blank_lines_at_end)
+                               found_new_blank_lines_at_end = hunk_linenr;
                        new_blank_lines_at_end++;
+               }
                else if (is_blank_context)
                        ;
                else
                        new_blank_lines_at_end = 0;
                patch += len;
                size -= len;
+               hunk_linenr++;
        }
        if (inaccurate_eof &&
            old > oldlines && old[-1] == '\n' &&
@@ -2628,7 +2638,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
                    preimage.nr + applied_pos >= img->nr &&
                    (ws_rule & WS_BLANK_AT_EOF) &&
                    ws_error_action != nowarn_ws_error) {
-                       record_ws_error(WS_BLANK_AT_EOF, "+", 1, frag->linenr);
+                       record_ws_error(WS_BLANK_AT_EOF, "+", 1,
+                                       found_new_blank_lines_at_end);
                        if (ws_error_action == correct_ws_error) {
                                while (new_blank_lines_at_end--)
                                        remove_last_line(&postimage);
@@ -3830,7 +3841,6 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
        int i;
        int errs = 0;
        int is_not_gitdir = !startup_info->have_repository;
-       int binary;
        int force_apply = 0;
 
        const char *whitespace_option = NULL;
@@ -3849,12 +3859,8 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
                        "ignore additions made by the patch"),
                OPT_BOOLEAN(0, "stat", &diffstat,
                        "instead of applying the patch, output diffstat for the input"),
-               { OPTION_BOOLEAN, 0, "allow-binary-replacement", &binary,
-                 NULL, "old option, now no-op",
-                 PARSE_OPT_HIDDEN | PARSE_OPT_NOARG },
-               { OPTION_BOOLEAN, 0, "binary", &binary,
-                 NULL, "old option, now no-op",
-                 PARSE_OPT_HIDDEN | PARSE_OPT_NOARG },
+               OPT_NOOP_NOARG(0, "allow-binary-replacement"),
+               OPT_NOOP_NOARG(0, "binary"),
                OPT_BOOLEAN(0, "numstat", &numstat,
                        "shows number of added and deleted lines in decimal notation"),
                OPT_BOOLEAN(0, "summary", &summary,
@@ -3889,6 +3895,8 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
                        "don't expect at least one line of context"),
                OPT_BOOLEAN(0, "reject", &apply_with_reject,
                        "leave the rejected hunks in corresponding *.rej files"),
+               OPT_BOOLEAN(0, "allow-overlap", &allow_overlap,
+                       "allow overlapping hunks"),
                OPT__VERBOSE(&apply_verbosely, "be verbose"),
                OPT_BIT(0, "inaccurate-eof", &options,
                        "tolerate incorrectly detected missing new-line at the end of file",