touch: fix help text to not show options disabled in .config

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

3 files changed, 29 insertions, 8 deletions

diff --git a/coreutils/Config.src b/coreutils/Config.src
index 0eb70af55..c2fd73e59 100644
--- a/coreutils/Config.src
+++ b/coreutils/Config.src
@@ -661,13 +661,6 @@ config FEATURE_TEE_USE_BLOCK_IO
         help
           Enable this option for a faster tee, at expense of size.
 
-config TOUCH
-        bool "touch"
-        default y
-        help
-          touch is used to create or change the access and/or
-          modification timestamp of specified files.
-
 config TRUE
         bool "true"
         default y
diff --git a/coreutils/Kbuild.src b/coreutils/Kbuild.src
index 630b048df..4ea0fa50a 100644
--- a/coreutils/Kbuild.src
+++ b/coreutils/Kbuild.src
@@ -74,7 +74,6 @@ lib-$(CONFIG_SYNC)      += sync.o
 lib-$(CONFIG_TAC)       += tac.o
 lib-$(CONFIG_TAIL)      += tail.o
 lib-$(CONFIG_TEE)       += tee.o
-lib-$(CONFIG_TOUCH)     += touch.o
 lib-$(CONFIG_TRUE)      += true.o
 lib-$(CONFIG_TTY)       += tty.o
 lib-$(CONFIG_UNAME)     += uname.o
diff --git a/coreutils/touch.c b/coreutils/touch.c
index afff36b4d..352177111 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -19,6 +19,35 @@
 
 #include "libbb.h"
 
+//config:config TOUCH
+//config:       bool "touch"
+//config:       default y
+//config:       help
+//config:         touch is used to create or change the access and/or
+//config:         modification timestamp of specified files.
+
+//applet:IF_TOUCH(APPLET_NOFORK(touch, touch, _BB_DIR_BIN, _BB_SUID_DROP, touch))
+
+//kbuild:lib-$(CONFIG_TOUCH) += touch.o
+
+//usage:#define touch_trivial_usage
+//usage:       "[-c]" IF_DESKTOP(" [-d DATE] [-r FILE]") " FILE [FILE]..."
+//usage:#define touch_full_usage "\n\n"
+//usage:       "Update the last-modified date on the given FILE[s]\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -c      Don't create files"
+//usage:        IF_DESKTOP(
+//usage:     "\n        -d DT   Date/time to use"
+//usage:     "\n        -r FILE Use FILE's date/time"
+//usage:        )
+//usage:
+//usage:#define touch_example_usage
+//usage:       "$ ls -l /tmp/foo\n"
+//usage:       "/bin/ls: /tmp/foo: No such file or directory\n"
+//usage:       "$ touch /tmp/foo\n"
+//usage:       "$ ls -l /tmp/foo\n"
+//usage:       "-rw-rw-r--    1 andersen andersen        0 Apr 15 01:11 /tmp/foo\n"
+
 /* This is a NOFORK applet. Be very careful! */
 
 /* coreutils implements: