X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=apply.c;h=81607c0fb6f39a0fb177a16b5f8c7353e97936aa;hb=a682ef9f06075b4bb83dcf479c91d578125084b9;hp=a3474b788bca2b1dbbeba4c417a5489b4ae1c273;hpb=12dd6e8cb0643231628d0240fdbb4afdef6629ea;p=git.git

diff --git a/apply.c b/apply.c
index a3474b78..81607c0f 100644
--- a/apply.c
+++ b/apply.c
@@ -13,7 +13,7 @@
  * uses the working tree as a "branch" for a 3-way merge.
  */
 #include <ctype.h>
-
+#include <fnmatch.h>
 #include "cache.h"
 
 // We default to the merge behaviour, since that's what most people would
@@ -563,7 +563,7 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc
 			struct fragment dummy;
 			if (parse_fragment_header(line, len, &dummy) < 0)
 				continue;
-			error("patch fragment without header at line %d: %.*s", linenr, len-1, line);
+			error("patch fragment without header at line %d: %.*s", linenr, (int)len-1, line);
 		}
 
 		if (size < len + 6)
@@ -679,6 +679,13 @@ static int parse_fragment(char *line, unsigned long size, struct patch *patch, s
 			break;
 		}
 	}
+	/* If a fragment ends with an incomplete line, we failed to include
+	 * it in the above loop because we hit oldlines == newlines == 0
+	 * before seeing it.
+	 */
+	if (12 < size && !memcmp(line, "\\ No newline", 12))
+		offset += linelen(line, size);
+
 	patch->lines_added += added;
 	patch->lines_deleted += deleted;
 	return offset;
@@ -730,6 +737,7 @@ static const char minuses[]= "--------------------------------------------------
 
 static void show_stats(struct patch *patch)
 {
+	const char *prefix = "";
 	char *name = patch->new_name;
 	int len, max, add, del, total;
 
@@ -743,8 +751,15 @@ static void show_stats(struct patch *patch)
 	max = max_len;
 	if (max > 50)
 		max = 50;
-	if (len > max)
+	if (len > max) {
+		char *slash;
+		prefix = "...";
+		max -= 3;
 		name += len - max;
+		slash = strchr(name, '/');
+		if (slash)
+			name = slash;
+	}
 	len = max;
 
 	/*
@@ -763,7 +778,7 @@ static void show_stats(struct patch *patch)
 		add = (add * max + max_change / 2) / max_change;
 		del = total - add;
 	}
-	printf(" %-*s |%5d %.*s%.*s\n",
+	printf(" %s%-*s |%5d %.*s%.*s\n", prefix,
 		len, name, patch->lines_added + patch->lines_deleted,
 		add, pluses, del, minuses);
 }
@@ -900,7 +915,7 @@ static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag)
 		 * last one (which is the newline, of course).
 		 */
 		plen = len-1;
-		if (len > size && patch[len] == '\\')
+		if (len < size && patch[len] == '\\')
 			plen--;
 		switch (*patch) {
 		case ' ':
@@ -953,7 +968,7 @@ static int apply_fragments(struct buffer_desc *desc, struct patch *patch)
 
 	while (frag) {
 		if (apply_one_fragment(desc, frag) < 0)
-			return error("patch failed: %s:%d", patch->old_name, frag->oldpos);
+			return error("patch failed: %s:%ld", patch->old_name, frag->oldpos);
 		frag = frag->next;
 	}
 	return 0;
@@ -1338,9 +1353,9 @@ static void write_out_one_result(struct patch *patch)
 	create_file(patch);
 }
 
-static void write_out_results(struct patch *list)
+static void write_out_results(struct patch *list, int skipped_patch)
 {
-	if (!list)
+	if (!list && !skipped_patch)
 		die("No changes");
 
 	while (list) {
@@ -1351,12 +1366,30 @@ static void write_out_results(struct patch *list)
 
 static struct cache_file cache_file;
 
+static struct excludes {
+	struct excludes *next;
+	const char *path;
+} *excludes;
+
+static int use_patch(struct patch *p)
+{
+	const char *pathname = p->new_name ? : p->old_name;
+	struct excludes *x = excludes;
+	while (x) {
+		if (fnmatch(x->path, pathname, 0) == 0)
+			return 0;
+		x = x->next;
+	}
+	return 1;
+}
+
 static int apply_patch(int fd)
 {
 	int newfd;
 	unsigned long offset, size;
 	char *buffer = read_patch_file(fd, &size);
 	struct patch *list = NULL, **listp = &list;
+	int skipped_patch = 0;
 
 	if (!buffer)
 		return -1;
@@ -1370,9 +1403,15 @@ static int apply_patch(int fd)
 		nr = parse_chunk(buffer + offset, size, patch);
 		if (nr < 0)
 			break;
-		patch_stats(patch);
-		*listp = patch;
-		listp = &patch->next;
+		if (use_patch(patch)) {
+			patch_stats(patch);
+			*listp = patch;
+			listp = &patch->next;
+		} else {
+			/* perhaps free it a bit better? */
+			free(patch);
+			skipped_patch++;
+		}
 		offset += nr;
 		size -= nr;
 	}
@@ -1390,7 +1429,7 @@ static int apply_patch(int fd)
 		exit(1);
 
 	if (apply)
-		write_out_results(list);
+		write_out_results(list, skipped_patch);
 
 	if (write_index) {
 		if (write_cache(newfd, active_cache, active_nr) ||
@@ -1425,6 +1464,13 @@ int main(int argc, char **argv)
 			read_stdin = 0;
 			continue;
 		}
+		if (!strncmp(arg, "--exclude=", 10)) {
+			struct excludes *x = xmalloc(sizeof(*x));
+			x->path = arg + 10;
+			x->next = excludes;
+			excludes = x;
+			continue;
+		}
 		/* NEEDSWORK: this does not do anything at this moment. */
 		if (!strcmp(arg, "--no-merge")) {
 			merge_patch = 0;