diff: disable debug code; remove unsupported --dry-run from help text

function                                             old     new   delta
packed_usage                                       28623   28602     -21
do_line                                              121      91     -30
patch_main                                          2086    1923    -163
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-214)           Total: -214 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 10 insertions, 7 deletions

diff --git a/editors/patch.c b/editors/patch.c
index 6d3f319b0..ec5b8e7ad 100644
--- a/editors/patch.c
+++ b/editors/patch.c
@@ -15,22 +15,23 @@
  * -D define wrap #ifdef and #ifndef around changes
  * -o outfile output here instead of in place
  * -r rejectfile write rejected hunks to this file
+ * --dry-run (regression!)
  *
  * -f force (no questions asked)
  * -F fuzz (number, default 2)
  * [file] which file to patch
  */
 
-//applet:IF_PATCH(APPLET(patch, BB_DIR_USR_BIN, BB_SUID_DROP))
-
-//kbuild:lib-$(CONFIG_PATCH) += patch.o
-
 //config:config PATCH
 //config:       bool "patch"
 //config:       default y
 //config:       help
 //config:         Apply a unified diff formatted patch.
 
+//applet:IF_PATCH(APPLET(patch, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_PATCH) += patch.o
+
 //usage:#define patch_trivial_usage
 //usage:       "[OPTIONS] [ORIGFILE [PATCHFILE]]"
 //usage:#define patch_full_usage "\n\n"
@@ -39,7 +40,7 @@
 //usage:     "\n        -i,--input DIFF         Read DIFF instead of stdin"
 //usage:     "\n        -R,--reverse            Reverse patch"
 //usage:     "\n        -N,--forward            Ignore already applied patches"
-//usage:     "\n        --dry-run               Don't actually change files"
+/*usage:     "\n        --dry-run               Don't actually change files" - TODO */
 //usage:     "\n        -E,--remove-empty-files Remove output files if they become empty"
 //usage:        )
 //usage:        IF_NOT_LONG_OPTS(
@@ -49,6 +50,8 @@
 //usage:     "\n        -N      Ignore already applied patches"
 //usage:     "\n        -E      Remove output files if they become empty"
 //usage:        )
+/* -u "interpret as unified diff" is supported but not documented: this info is not useful for --help */
+/* -x "debug" is supported but does nothing */
 //usage:
 //usage:#define patch_example_usage
 //usage:       "$ patch -p1 < example.diff\n"
@@ -130,8 +133,8 @@ struct globals {
 #define FLAG_INPUT   (1 << 3)
 #define FLAG_IGNORE  (1 << 4)
 #define FLAG_RMEMPTY (1 << 5)
-//non-standard:
-#define FLAG_DEBUG   (1 << 6)
+/* Enable this bit and use -x for debug output: */
+#define FLAG_DEBUG   (0 << 6)
 
 // Dispose of a line of input, either by writing it out or discarding it.