depmod: supply help text

Signed-off-by: Lauri Kasanen <curaga@operamail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 18 insertions, 9 deletions

diff --git a/modutils/depmod.c b/modutils/depmod.c
index f6c0bf33a..775236126 100644
--- a/modutils/depmod.c
+++ b/modutils/depmod.c
@@ -10,11 +10,6 @@
 
 //applet:IF_DEPMOD(APPLET(depmod, BB_DIR_SBIN, BB_SUID_DROP))
 
-//usage:#if !ENABLE_MODPROBE_SMALL
-//usage:#define depmod_trivial_usage NOUSAGE_STR
-//usage:#define depmod_full_usage ""
-//usage:#endif
-
 #include "libbb.h"
 #include "modutils.h"
 #include <sys/utsname.h> /* uname() */
@@ -131,7 +126,16 @@ static void xfreopen_write(const char *file, FILE *f)
                 bb_perror_msg_and_die("can't open '%s'", file);
 }
 
-/* Usage:
+//usage:#if !ENABLE_MODPROBE_SMALL
+//usage:#define depmod_trivial_usage "[-n] [-b BASE] [VERSION] [MODFILES]..."
+//usage:#define depmod_full_usage "\n\n"
+//usage:       "Generate modules.dep, alias, and symbols files"
+//usage:     "\n"
+//usage:     "\n        -b BASE Use BASE/lib/modules/VERSION"
+//usage:     "\n        -n      Dry run: print files to stdout"
+//usage:#endif
+
+/* Upstream usage:
  * [-aAenv] [-C FILE or DIR] [-b BASE] [-F System.map] [VERSION] [MODFILES]...
  *      -a --all
  *              Probe all modules. Default if no MODFILES.
@@ -142,7 +146,7 @@ static void xfreopen_write(const char *file, FILE *f)
  *      -C --config FILE or DIR
  *              Path to /etc/depmod.conf or /etc/depmod.d/
  *      -e --errsyms
- *              When combined with the -F option, this reports any symbols which
+ *              When combined with the -F option, this reports any symbols
  *              which are not supplied by other modules or kernel.
  *      -F --filesyms System.map
  *      -n --dry-run
@@ -154,8 +158,13 @@ static void xfreopen_write(const char *file, FILE *f)
  *      -u      No-op
  *      -q      No-op
  *
- * So far we only support: [-rn] [-b BASE] [VERSION] [MODFILES]...
- * -aAeF are accepted but ignored. -vC are not accepted.
+ * So far we only support: [-n] [-b BASE] [VERSION] [MODFILES]...
+ * Accepted but ignored:
+ * -aAe
+ * -F System.map
+ * -C FILE/DIR
+ *
+ * Not accepted: -v
  */
 enum {
         //OPT_a = (1 << 0), /* All modules, ignore mods in argv */