patch/patch-best-name.patch

73 lines
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--- patch-2.6/src/pch.c 2009-11-02 19:09:57.000000000 +0000
+++ patch-2.6-4-ge2218ac/src/pch.c 2009-12-22 23:03:27.000000000 +0000
@@ -195,23 +195,22 @@
}
static bool
-maybe_reverse (char const *name, bool nonexistent, bool empty)
+maybe_reverse (char const *name, bool nonexistent, bool is_empty)
{
- bool is_empty = nonexistent || empty;
- bool r;
+ bool looks_reversed = (! is_empty) < p_says_nonexistent[reverse ^ is_empty];
- r = (! is_empty) < p_says_nonexistent[reverse ^ is_empty]
- && ok_to_reverse ("The next patch%s would %s the file %s,\nwhich %s!",
- reverse ? ", when reversed," : "",
- (nonexistent ? "delete"
- : empty ? "empty out"
- : "create"),
- quotearg (name),
- (nonexistent ? "does not exist"
- : empty ? "is already empty"
- : "already exists"));
- reverse ^= r;
- return r;
+ if (looks_reversed)
+ reverse ^=
+ ok_to_reverse ("The next patch%s would %s the file %s,\nwhich %s!",
+ reverse ? ", when reversed," : "",
+ (nonexistent ? "delete"
+ : is_empty ? "empty out"
+ : "create"),
+ quotearg (name),
+ (nonexistent ? "does not exist"
+ : is_empty ? "is already empty"
+ : "already exists"));
+ return looks_reversed;
}
/* True if the remainder of the patch file contains a diff of some sort. */
@@ -638,6 +637,7 @@
if (! posixly_correct)
{
+ /* The best of all existing files. */
i = best_name (p_name, stat_errno);
if (i == NONE && patch_get)
@@ -680,12 +680,10 @@
}
}
- if (i != NONE && st[i].st_size > 0)
- i0 = i;
if (i0 != NONE
- && ! maybe_reverse (p_name[i0], i == NONE,
- i == NONE || st[i].st_size == 0))
- i = i0;
+ && maybe_reverse (p_name[i0], i == NONE,
+ i == NONE || st[i].st_size == 0))
+ i = i0;
if (i == NONE && p_says_nonexistent[reverse])
{
@@ -706,6 +704,7 @@
if (p_name[i])
distance_from_minimum[i] = newdirs[i] - newdirs_min;
+ /* The best of the filenames which create the fewest directories. */
i = best_name (p_name, distance_from_minimum);
}
}