[PATCH] Prepare diffcore interface for diff-tree header supression.
This does not actually supress the extra headers when pickaxe is used, but prepares enough support for diff-tree to implement it. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
parent
58b103f55d
commit
38c6f78059
10
diff-cache.c
10
diff-cache.c
@ -214,9 +214,7 @@ int main(int argc, char **argv)
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if (argc != 2 || get_sha1(argv[1], tree_sha1))
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usage(diff_cache_usage);
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diff_setup(detect_rename, diff_score_opt, pickaxe,
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reverse_diff, (generate_patch ? -1 : line_termination),
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NULL, 0);
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diff_setup(reverse_diff, (generate_patch ? -1 : line_termination));
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mark_merge_entries();
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@ -227,6 +225,10 @@ int main(int argc, char **argv)
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die("unable to read tree object %s", argv[1]);
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ret = diff_cache(active_cache, active_nr);
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diff_flush();
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if (detect_rename)
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diff_detect_rename(detect_rename, diff_score_opt);
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if (pickaxe)
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diff_pickaxe(pickaxe);
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diff_flush(NULL, 0);
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return ret;
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}
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10
diff-files.c
10
diff-files.c
@ -92,9 +92,7 @@ int main(int argc, char **argv)
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exit(1);
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}
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diff_setup(detect_rename, diff_score_opt, pickaxe,
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reverse_diff, (generate_patch ? -1 : line_termination),
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NULL, 0);
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diff_setup(reverse_diff, (generate_patch ? -1 : line_termination));
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for (i = 0; i < entries; i++) {
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struct stat st;
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@ -136,6 +134,10 @@ int main(int argc, char **argv)
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show_modified(oldmode, mode, ce->sha1, null_sha1,
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ce->name);
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}
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diff_flush();
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if (detect_rename)
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diff_detect_rename(detect_rename, diff_score_opt);
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if (pickaxe)
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diff_pickaxe(pickaxe);
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diff_flush(NULL, 0);
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return 0;
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}
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@ -127,10 +127,7 @@ int main(int ac, const char **av) {
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}
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/* the remaining parameters are paths patterns */
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diff_setup(detect_rename, diff_score_opt, pickaxe,
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reverse, (generate_patch ? -1 : line_termination),
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av+1, ac-1);
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diff_setup(reverse, (generate_patch ? -1 : line_termination));
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while (1) {
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int status;
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read_line(&sb, stdin, line_termination);
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@ -138,11 +135,15 @@ int main(int ac, const char **av) {
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break;
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status = parse_diff_raw_output(sb.buf);
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if (status) {
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diff_flush();
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diff_flush(av+1, ac-1);
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printf("%s%c", sb.buf, line_termination);
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}
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}
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diff_flush();
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if (detect_rename)
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diff_detect_rename(detect_rename, diff_score_opt);
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if (pickaxe)
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diff_pickaxe(pickaxe);
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diff_flush(av+1, ac-1);
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return 0;
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}
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26
diff-tree.c
26
diff-tree.c
@ -267,16 +267,28 @@ static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, co
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return retval;
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}
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static void call_diff_setup(void)
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{
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diff_setup(reverse_diff, (generate_patch ? -1 : line_termination));
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}
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static void call_diff_flush(void)
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{
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if (detect_rename)
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diff_detect_rename(detect_rename, diff_score_opt);
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if (pickaxe)
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diff_pickaxe(pickaxe);
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diff_flush(NULL, 0);
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}
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static int diff_tree_sha1_top(const unsigned char *old,
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const unsigned char *new, const char *base)
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{
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int ret;
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diff_setup(detect_rename, diff_score_opt, pickaxe,
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reverse_diff, (generate_patch ? -1 : line_termination),
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NULL, 0);
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call_diff_setup();
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ret = diff_tree_sha1(old, new, base);
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diff_flush();
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call_diff_flush();
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return ret;
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}
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@ -286,15 +298,13 @@ static int diff_root_tree(const unsigned char *new, const char *base)
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void *tree;
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unsigned long size;
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diff_setup(detect_rename, diff_score_opt, pickaxe,
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reverse_diff, (generate_patch ? -1 : line_termination),
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NULL, 0);
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call_diff_setup();
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tree = read_object_with_reference(new, "tree", &size, NULL);
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if (!tree)
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die("unable to read root tree (%s)", sha1_to_hex(new));
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retval = diff_tree("", 0, tree, size, base);
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free(tree);
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diff_flush();
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call_diff_flush();
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return retval;
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}
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43
diff.c
43
diff.c
@ -12,13 +12,10 @@
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static const char *diff_opts = "-pu";
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static unsigned char null_sha1[20] = { 0, };
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static int detect_rename;
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static int reverse_diff;
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static int diff_raw_output = -1;
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static const char **pathspec;
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static int speccnt;
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static const char *pickaxe;
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static int minimum_score;
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static const char *external_diff(void)
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{
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@ -512,21 +509,13 @@ int diff_scoreopt_parse(const char *opt)
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return MAX_SCORE * num / scale;
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}
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void diff_setup(int detect_rename_, int minimum_score_,
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const char *pickaxe_,
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int reverse_diff_, int diff_raw_output_,
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const char **pathspec_, int speccnt_)
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void diff_setup(int reverse_diff_, int diff_raw_output_)
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{
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detect_rename = detect_rename_;
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reverse_diff = reverse_diff_;
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pathspec = pathspec_;
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diff_raw_output = diff_raw_output_;
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speccnt = speccnt_;
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minimum_score = minimum_score_ ? : DEFAULT_MINIMUM_SCORE;
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pickaxe = pickaxe_;
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}
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static struct diff_queue_struct queued_diff;
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struct diff_queue_struct diff_queued_diff;
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struct diff_filepair *diff_queue(struct diff_queue_struct *queue,
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struct diff_filespec *one,
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@ -636,15 +625,27 @@ static void diff_flush_one(struct diff_filepair *p)
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diff_flush_patch(p);
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}
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void diff_flush(void)
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int diff_queue_is_empty(void)
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{
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struct diff_queue_struct *q = &queued_diff;
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struct diff_queue_struct *q = &diff_queued_diff;
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int i;
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if (detect_rename)
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diff_detect_rename(q, detect_rename, minimum_score);
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if (pickaxe)
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diff_pickaxe(q, pickaxe);
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for (i = 0; i < q->nr; i++) {
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struct diff_filepair *p = q->queue[i];
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if (!identical(p->one, p->two))
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return 0;
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}
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return 1;
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}
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void diff_flush(const char **pathspec_, int speccnt_)
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{
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struct diff_queue_struct *q = &diff_queued_diff;
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int i;
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pathspec = pathspec_;
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speccnt = speccnt_;
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for (i = 0; i < q->nr; i++)
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diff_flush_one(q->queue[i]);
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@ -693,7 +694,7 @@ void diff_addremove(int addremove, unsigned mode,
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if (addremove != '-')
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fill_filespec(two, sha1, mode);
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diff_queue(&queued_diff, one, two);
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diff_queue(&diff_queued_diff, one, two);
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}
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void diff_change(unsigned old_mode, unsigned new_mode,
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@ -716,7 +717,7 @@ void diff_change(unsigned old_mode, unsigned new_mode,
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fill_filespec(one, old_sha1, old_mode);
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fill_filespec(two, new_sha1, new_mode);
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diff_queue(&queued_diff, one, two);
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diff_queue(&diff_queued_diff, one, two);
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}
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void diff_unmerge(const char *path)
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12
diff.h
12
diff.h
@ -19,11 +19,13 @@ extern void diff_unmerge(const char *path);
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extern int diff_scoreopt_parse(const char *opt);
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extern void diff_setup(int detect_rename, int minimum_score,
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const char *pickaxe,
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int reverse, int raw_output,
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const char **spec, int cnt);
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extern void diff_setup(int reverse, int diff_raw_output);
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extern void diff_flush(void);
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extern void diff_detect_rename(int, int);
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extern void diff_pickaxe(const char *);
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extern int diff_queue_is_empty(void);
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extern void diff_flush(const char **, int);
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#endif /* DIFF_H */
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@ -21,8 +21,9 @@ static int contains(struct diff_filespec *one,
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return 0;
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}
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void diff_pickaxe(struct diff_queue_struct *q, const char *needle)
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void diff_pickaxe(const char *needle)
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{
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struct diff_queue_struct *q = &diff_queued_diff;
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unsigned long len = strlen(needle);
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int i;
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struct diff_queue_struct outq;
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@ -224,10 +224,10 @@ static int needs_to_stay(struct diff_queue_struct *q, int i,
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return 0;
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}
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void diff_detect_rename(struct diff_queue_struct *q,
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int detect_rename,
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void diff_detect_rename(int detect_rename,
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int minimum_score)
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{
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struct diff_queue_struct *q = &diff_queued_diff;
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struct diff_queue_struct outq;
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struct diff_rename_pool created, deleted, stay;
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struct diff_rename_pool *(srcs[2]);
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int nr;
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};
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extern struct diff_queue_struct diff_queued_diff;
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extern struct diff_filepair *diff_queue(struct diff_queue_struct *,
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struct diff_filespec *,
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struct diff_filespec *);
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extern void diff_detect_rename(struct diff_queue_struct *, int, int);
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extern void diff_pickaxe(struct diff_queue_struct *, const char *);
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#endif
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