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#! /bin/sh
# Output the contents of a shell script with sourced files inlined.
# Written by Gary V. Vaughan, 2012
# This is free software. There is NO warranty; not even for
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Copyright (C) 2012-2019 Bootstrap Authors
#
# This file is dual licensed under the terms of the MIT license
# <https://opensource.org/license/MIT>, and GPL version 2 or later
# <http://www.gnu.org/licenses/gpl-2.0.html>. You must apply one of
# these licenses when using or redistributing this software or any of
# the files within it. See the URLs above, or the file `LICENSE`
# included in the Bootstrap distribution for the full license texts.
# Please report bugs or propose patches to:
# <https://github.com/gnulib-modules/bootstrap/issues>
# Source required external libraries:
. `echo "$0" |${SED-sed} 's|[^/]*$||'`"funclib.sh"
. `echo "$0" |${SED-sed} 's|[^/]*$||'`"options-parser"
# Set a version string for *this* script.
scriptversion=2019-02-19.15; # UTC
## ------ ##
## Usage. ##
## ------ ##
# Run 'build-aux/inline-source --help' for help with using this script
# from the command line.
# Recursively scan through a FILE passed on the command line, replacing
# either of the following:
# . "relative/file"
# . `echo "$0" |edit`"relative/file"
# with the contents of the referenced files.
## ---------------- ##
## Options parsing. ##
## ---------------- ##
usage='$progpath [OPTION]... FILE'
# Short help message in response to '-h'.
usage_message='Options:
--debug enable verbose shell tracing
--version print version information and exit
-h, --help print help message and exit
'
long_help_message="\
Report bugs to <bug-libtool@gnu.org>
General help using GNU software: <http://www.gnu.org/gethelp/>."
func_options ${1+"$@"}
eval set dummy "$func_options_result"; shift
## -------------------- ##
## Resource management. ##
## -------------------- ##
# require_AWK
# -----------
# Search for a "not hopeless" awk.
require_AWK=func_require_AWK
func_require_AWK ()
{
$debug_cmd
test -n "$AWK" || {
# Find the first executable in the list.
for _G_prog in gawk mawk nawk awk
do
require_AWK_IFS=$IFS
IFS=${PATH_SEPARATOR-:}
for _G_dir in $PATH
do
IFS=$require_AWK_IFS
if test -f "$_G_dir/$_G_prog" && test -x "$_G_dir/$_G_prog"
then
AWK=$_G_dir/$_G_prog
break 2
fi
done
IFS=$require_AWK_IFS
done
}
test -n "$AWK" || func_fatal_error "\
Please install GNU Awk, or 'export AWK=/path/to/gnu/awk'."
func_verbose "found '$AWK'."
require_AWK=:
}
## --------------- ##
## Core functions. ##
## --------------- ##
# func_include LINE
# -----------------
# Output the contents of file included by LINE.
func_include ()
{
$require_AWK
test -f "$1" \
|| func_fatal_error "file '$1' not found"
_G_scriptdir=`echo "$1" |$SED 's|[^/]*$||'`
test -n "$_G_scriptdir" || _G_scriptdir="./"
$AWK '
BEGIN { magic = '${_RECURSE_MAGIC-0}'; }
/^#!/ && magic == 0 {
print $0;
print "## DO NOT EDIT - This file generated from '$1'";
print "## by '$progname' v'$scriptversion'";
magic++;
next;
}
/^\. ['\''"].*['\''"]$/ {
file = substr ($2, 2, length ($2) -2);
system (sprintf ("env _RECURSE_MAGIC=%d '$progpath' %s", magic, file));
next;
}
/^\. `echo [^`]*`['\''"][^'\''"]*['\''"]$/ {
tail = substr ($0, match ($0, /`['\''"]/));
file = substr (tail, 3, length (tail) -3);
system (sprintf ("env _RECURSE_MAGIC=%d '$progpath' '"$_G_scriptdir"'%s", magic, file));
next;
}
{ print; }
' < "$1"
}
func_include "$1"
exit 0
# Local variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-pattern: "30/scriptversion=%:y-%02m-%02d.%02H; # UTC"
# time-stamp-time-zone: "UTC"
# End:
|
