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bf2057b20b
* man/dummy-man: Fix argument count check, now only permitting exactly 1 argument, the program name. Reported by Andreas Schwab <schwab@linux-m68k.org>
74 lines
1.8 KiB
Bash
Executable File
74 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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# Poor man's placeholder for help2man invocation on systems lacking perl;
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# it generates a dummy man page stating that a proper one could not be
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# generated, and redirecting the user back to either the info
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# documentation or the '--help' output.
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set -e; set -u
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fatal_ ()
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{
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printf '%s: %s\n' "$0" "$*" >&2
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exit 1
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}
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basename_ ()
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{
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printf '%s\n' "$1" | sed 's,.*/,,'
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}
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output=
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source="GNU coreutils"
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while test $# -gt 0; do
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case $1 in
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# Help2man options we recognize and handle.
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--output=*) output=`expr x"$1" : x'--output=\(.*\)'`;;
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--output) shift; output=$1;;
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--source=*) source=`expr x"$1" : x'--source=\(.*\)'`;;
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--source) shift; source=$1;;
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# Recognize (as no-op) other help2man options that might be used
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# in the makefile.
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--include=*);;
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--include) shift;;
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--info-page=*);;
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-*) fatal_ "invalid or unrecognized help2man option '$1'";;
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--) shift; break;;
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*) break;;
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esac
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shift
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done
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test $# -gt 0 || fatal_ "missing argument"
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test $# -le 1 || fatal_ "too many non-option arguments"
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baseout=`basename_ "$output"`
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sed 's/^/WARNING: /' >&2 <<END
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Cannot create proper '$baseout' man page, since perl is missing or
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inadequate on this system. Creating a stub man page instead.
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END
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progname=`basename_ "$1"`
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year=`LC_ALL=C date +%Y`
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bs='\'
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cat >"$output" <<END
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.TH "$progname" 1 "$year" "$source" "User Commands"
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.SH NAME
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$progname $bs- a $source program
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.SH DESCRIPTION
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.B OOOPS!
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Due to the lack of perl on the build system, we were
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unable to create a proper manual page for
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.B $progname.
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For concise option descriptions, run
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.IP
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.B env $progname --help
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.PP
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The full documentation for
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.B $progname
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is maintained as a Texinfo manual, which should be accessible
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on your system via the command
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.IP
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.B info $bs(aq(coreutils) $progname invocation$bs(aq
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END
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