move help text from include/usage.src.h to debianutils/*.c e2fsprogs/*.c editors/*.c loginutils/*.c mailutils/*.c

Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

editors/awk.c

@@ -7,6 +7,14 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define awk_trivial_usage
+//usage:       "[OPTIONS] [AWK_PROGRAM] [FILE]..."
+//usage:#define awk_full_usage "\n\n"
+//usage:       "Options:"
+//usage:     "\n	-v VAR=VAL	Set variable"
+//usage:     "\n	-F SEP		Use SEP as field separator"
+//usage:     "\n	-f FILE		Read program from FILE"
+
 #include "libbb.h"
 #include "xregex.h"
 #include <math.h>

editors/cmp.c

@@ -10,6 +10,15 @@
 /* BB_AUDIT SUSv3 (virtually) compliant -- uses nicer GNU format for -l. */
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/cmp.html */
 
+//usage:#define cmp_trivial_usage
+//usage:       "[-l] [-s] FILE1 [FILE2" IF_DESKTOP(" [SKIP1 [SKIP2]]") "]"
+//usage:#define cmp_full_usage "\n\n"
+//usage:       "Compare FILE1 with FILE2 (or stdin)\n"
+//usage:     "\nOptions:"
+//usage:     "\n	-l	Write the byte numbers (decimal) and values (octal)"
+//usage:     "\n		for all differing bytes"
+//usage:     "\n	-s	Quiet"
+
 #include "libbb.h"
 
 static const char fmt_eof[] ALIGN1 = "cmp: EOF on %s\n";

editors/diff.c

@@ -76,6 +76,28 @@
  * 6n words for files of length n.
  */
 
+//usage:#define diff_trivial_usage
+//usage:       "[-abBdiNqrTstw] [-L LABEL] [-S FILE] [-U LINES] FILE1 FILE2"
+//usage:#define diff_full_usage "\n\n"
+//usage:       "Compare files line by line and output the differences between them.\n"
+//usage:       "This implementation supports unified diffs only.\n"
+//usage:     "\nOptions:"
+//usage:     "\n	-a	Treat all files as text"
+//usage:     "\n	-b	Ignore changes in the amount of whitespace"
+//usage:     "\n	-B	Ignore changes whose lines are all blank"
+//usage:     "\n	-d	Try hard to find a smaller set of changes"
+//usage:     "\n	-i	Ignore case differences"
+//usage:     "\n	-L	Use LABEL instead of the filename in the unified header"
+//usage:     "\n	-N	Treat absent files as empty"
+//usage:     "\n	-q	Output only whether files differ"
+//usage:     "\n	-r	Recurse"
+//usage:     "\n	-S	Start with FILE when comparing directories"
+//usage:     "\n	-T	Make tabs line up by prefixing a tab when necessary"
+//usage:     "\n	-s	Report when two files are the same"
+//usage:     "\n	-t	Expand tabs to spaces in output"
+//usage:     "\n	-U	Output LINES lines of context"
+//usage:     "\n	-w	Ignore all whitespace"
+
 #include "libbb.h"
 
 #if 0

editors/ed.c

@@ -7,6 +7,9 @@
  * The "ed" built-in command (much simplified)
  */
 
+//usage:#define ed_trivial_usage ""
+//usage:#define ed_full_usage ""
+
 #include "libbb.h"
 
 typedef struct LINE {

editors/sed.c

@@ -58,6 +58,23 @@
 	Reference http://www.opengroup.org/onlinepubs/007904975/utilities/sed.html
 */
 
+//usage:#define sed_trivial_usage
+//usage:       "[-efinr] SED_CMD [FILE]..."
+//usage:#define sed_full_usage "\n\n"
+//usage:       "Options:"
+//usage:     "\n	-e CMD	Add CMD to sed commands to be executed"
+//usage:     "\n	-f FILE	Add FILE contents to sed commands to be executed"
+//usage:     "\n	-i	Edit files in-place (else sends result to stdout)"
+//usage:     "\n	-n	Suppress automatic printing of pattern space"
+//usage:     "\n	-r	Use extended regex syntax"
+//usage:     "\n"
+//usage:     "\nIf no -e or -f, the first non-option argument is the sed command string."
+//usage:     "\nRemaining arguments are input files (stdin if none)."
+//usage:
+//usage:#define sed_example_usage
+//usage:       "$ echo \"foo\" | sed -e 's/f[a-zA-Z]o/bar/g'\n"
+//usage:       "bar\n"
+
 #include "libbb.h"
 #include "xregex.h"
 

editors/vi.c

@@ -21,6 +21,19 @@
  *	An "ex" line oriented mode- maybe using "cmdedit"
  */
 
+//usage:#define vi_trivial_usage
+//usage:       "[OPTIONS] [FILE]..."
+//usage:#define vi_full_usage "\n\n"
+//usage:       "Edit FILE\n"
+//usage:     "\nOptions:"
+//usage:	IF_FEATURE_VI_COLON(
+//usage:     "\n	-c	Initial command to run ($EXINIT also available)"
+//usage:	)
+//usage:	IF_FEATURE_VI_READONLY(
+//usage:     "\n	-R	Read-only"
+//usage:	)
+//usage:     "\n	-H	Short help regarding available features"
+
 #include "libbb.h"
 
 /* the CRASHME code is unmaintained, and doesn't currently build */