git-svn: add the commit-diff command

diff --git a/builtin-apply.c b/builtin-apply.c
index 6dd0472ae07cac291d26b9e547a92c7c51d569df..e9ead002d38368f6de6ba75f25542fe61258cfb9 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -125,6 +125,7 @@ struct patch {
        unsigned long deflate_origlen;
        int lines_added, lines_deleted;
        int score;
+       int inaccurate_eof:1;
        struct fragment *fragments;
        char *result;
        unsigned long resultsize;
@@ -1333,7 +1334,8 @@ static int apply_line(char *output, const char *patch, int plen)
        return plen;
 }
 
-static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag)
+static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag,
+       int inaccurate_eof)
 {
        int match_beginning, match_end;
        char *buf = desc->buffer;
@@ -1386,13 +1388,11 @@ static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag)
                size -= len;
        }
 
-#ifdef NO_ACCURATE_DIFF
-       if (oldsize > 0 && old[oldsize - 1] == '\n' &&
+       if (inaccurate_eof && oldsize > 0 && old[oldsize - 1] == '\n' &&
                        newsize > 0 && new[newsize - 1] == '\n') {
                oldsize--;
                newsize--;
        }
-#endif
 
        oldlines = old;
        newlines = new;
@@ -1614,7 +1614,7 @@ static int apply_fragments(struct buffer_desc *desc, struct patch *patch)
                return apply_binary(desc, patch);
 
        while (frag) {
-               if (apply_one_fragment(desc, frag) < 0)
+               if (apply_one_fragment(desc, frag, patch->inaccurate_eof) < 0)
                        return error("patch failed: %s:%ld",
                                     name, frag->oldpos);
                frag = frag->next;
@@ -2097,7 +2097,7 @@ static int use_patch(struct patch *p)
        return 1;
 }
 
-static int apply_patch(int fd, const char *filename)
+static int apply_patch(int fd, const char *filename, int inaccurate_eof)
 {
        unsigned long offset, size;
        char *buffer = read_patch_file(fd, &size);
@@ -2113,6 +2113,7 @@ static int apply_patch(int fd, const char *filename)
                int nr;
 
                patch = xcalloc(1, sizeof(*patch));
+               patch->inaccurate_eof = inaccurate_eof;
                nr = parse_chunk(buffer + offset, size, patch);
                if (nr < 0)
                        break;
@@ -2180,6 +2181,8 @@ int cmd_apply(int argc, const char **argv, char **envp)
 {
        int i;
        int read_stdin = 1;
+       int inaccurate_eof = 0;
+
        const char *whitespace_option = NULL;
 
        for (i = 1; i < argc; i++) {
@@ -2188,7 +2191,7 @@ int cmd_apply(int argc, const char **argv, char **envp)
                int fd;
 
                if (!strcmp(arg, "-")) {
-                       apply_patch(0, "<stdin>");
+                       apply_patch(0, "<stdin>", inaccurate_eof);
                        read_stdin = 0;
                        continue;
                }
@@ -2265,6 +2268,10 @@ int cmd_apply(int argc, const char **argv, char **envp)
                        parse_whitespace_option(arg + 13);
                        continue;
                }
+               if (!strcmp(arg, "--inaccurate-eof")) {
+                       inaccurate_eof = 1;
+                       continue;
+               }
 
                if (check_index && prefix_length < 0) {
                        prefix = setup_git_directory();
@@ -2281,12 +2288,12 @@ int cmd_apply(int argc, const char **argv, char **envp)
                        usage(apply_usage);
                read_stdin = 0;
                set_default_whitespace_mode(whitespace_option);
-               apply_patch(fd, arg);
+               apply_patch(fd, arg, inaccurate_eof);
                close(fd);
        }
        set_default_whitespace_mode(whitespace_option);
        if (read_stdin)
-               apply_patch(0, "<stdin>");
+               apply_patch(0, "<stdin>", inaccurate_eof);
        if (whitespace_error) {
                if (squelch_whitespace_errors &&
                    squelch_whitespace_errors < whitespace_error) {