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Diffstat (limited to 'build/shtool')
-rwxr-xr-x | build/shtool | 1436 |
1 files changed, 1436 insertions, 0 deletions
diff --git a/build/shtool b/build/shtool new file mode 100755 index 0000000..3329641 --- /dev/null +++ b/build/shtool @@ -0,0 +1,1436 @@ +#!/bin/sh +## +## GNU shtool -- The GNU Portable Shell Tool +## Copyright (c) 1994-2006 Ralf S. Engelschall <rse@engelschall.com> +## +## See http://www.gnu.org/software/shtool/ for more information. +## See ftp://ftp.gnu.org/gnu/shtool/ for latest version. +## +## Version: 2.0.5 (07-Feb-2006) +## Contents: 6/19 available modules +## + +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, +## USA, or contact Ralf S. Engelschall <rse@engelschall.com>. +## +## NOTICE: Given that you include this file verbatim into your own +## source tree, you are justified in saying that it remains separate +## from your package, and that this way you are simply just using GNU +## shtool. So, in this situation, there is no requirement that your +## package itself is licensed under the GNU General Public License in +## order to take advantage of GNU shtool. +## + +## +## Usage: shtool [<options>] [<cmd-name> [<cmd-options>] [<cmd-args>]] +## +## Available commands: +## echo Print string with optional construct expansion +## move Move files with simultaneous substitution +## install Install a program, script or datafile +## mkdir Make one or more directories +## mkln Make link with calculation of relative paths +## subst Apply sed(1) substitution operations +## +## Not available commands (because module was not built-in): +## mdate Pretty-print modification time of a file or dir +## table Pretty-print a field-separated list as a table +## prop Display progress with a running propeller +## mkshadow Make a shadow tree through symbolic links +## fixperm Fix file permissions inside a source tree +## rotate Logfile rotation +## tarball Roll distribution tarballs +## platform Platform Identification Utility +## arx Extended archive command +## slo Separate linker options by library class +## scpp Sharing C Pre-Processor +## version Maintain a version information file +## path Deal with program paths +## + +# maximum Bourne-Shell compatibility +if [ ".$ZSH_VERSION" != . ] && (emulate sh) >/dev/null 2>&1; then + # reconfigure zsh(1) + emulate sh + NULLCMD=: + alias -g '${1+"$@"}'='"$@"' +elif [ ".$BASH_VERSION" != . ] && (set -o posix) >/dev/null 2>&1; then + # reconfigure bash(1) + set -o posix +fi + +# maximum independence of NLS nuisances +for var in \ + LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ + LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ + LC_TELEPHONE LC_TIME +do + if (set +x; test -z "`(eval $var=C; export $var) 2>&1`"); then + eval $var=C; export $var + else + unset $var + fi +done + +# initial command line handling +if [ $# -eq 0 ]; then + echo "$0:Error: invalid command line" 1>&2 + echo "$0:Hint: run \`$0 -h' for usage" 1>&2 + exit 1 +fi +if [ ".$1" = ".-h" ] || [ ".$1" = ".--help" ]; then + echo "This is GNU shtool, version 2.0.5 (07-Feb-2006)" + echo 'Copyright (c) 1994-2006 Ralf S. Engelschall <rse@engelschall.com>' + echo 'Report bugs to <bug-shtool@gnu.org>' + echo '' + echo 'Usage: shtool [<options>] [<cmd-name> [<cmd-options>] [<cmd-args>]]' + echo '' + echo 'Available global <options>:' + echo ' -v, --version display shtool version information' + echo ' -h, --help display shtool usage help page (this one)' + echo ' -d, --debug display shell trace information' + echo ' -r, --recreate recreate this shtool script via shtoolize' + echo '' + echo 'Available <cmd-name> [<cmd-options>] [<cmd-args>]:' + echo ' echo [-n|--newline] [-e|--expand] [<string> ...]' + echo ' move [-v|--verbose] [-t|--trace] [-e|--expand] [-p|--preserve]' + echo ' <src-file> <dst-file>' + echo ' install [-v|--verbose] [-t|--trace] [-d|--mkdir] [-c|--copy]' + echo ' [-C|--compare-copy] [-s|--strip] [-m|--mode <mode>]' + echo ' [-o|--owner <owner>] [-g|--group <group>] [-e|--exec' + echo ' <sed-cmd>] <file> [<file> ...] <path>' + echo ' mkdir [-t|--trace] [-f|--force] [-p|--parents] [-m|--mode' + echo ' <mode>] [-o|--owner <owner>] [-g|--group <group>] <dir>' + echo ' [<dir> ...]' + echo ' mkln [-t|--trace] [-f|--force] [-s|--symbolic] <src-path>' + echo ' [<src-path> ...] <dst-path>' + echo ' subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning]' + echo ' [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup' + echo ' <ext>] [-e|--exec <cmd>] [-f|--file <cmd-file>] [<file>]' + echo ' [...]' + echo '' + echo 'Not available <cmd-name> (because module was not built-in):' + echo ' mdate [-n|--newline] [-z|--zero] [-s|--shorten] [-d|--digits]' + echo ' [-f|--field-sep <str>] [-o|--order <spec>] <path>' + echo ' table [-F|--field-sep <sep>] [-w|--width <width>] [-c|--columns' + echo ' <cols>] [-s|--strip <strip>] <str><sep><str>...' + echo ' prop [-p|--prefix <str>]' + echo ' mkshadow [-v|--verbose] [-t|--trace] [-a|--all] <src-dir> <dst-dir>' + echo ' fixperm [-v|--verbose] [-t|--trace] <path> [<path> ...]' + echo ' rotate [-v|--verbose] [-t|--trace] [-f|--force] [-n|--num-files' + echo ' <count>] [-s|--size <size>] [-c|--copy] [-r|--remove]' + echo ' [-a|--archive-dir <dir>] [-z|--compress [<tool>:]<level>]' + echo ' [-b|--background] [-d|--delay] [-p|--pad <len>] [-m|--mode' + echo ' <mode>] [-o|--owner <owner>] [-g|--group <group>] [-M|--migrate' + echo ' <cmd>] [-P|--prolog <cmd>] [-E|--epilog <cmd>] <file> [...]' + echo ' tarball [-t|--trace] [-v|--verbose] [-o|--output <tarball>]' + echo ' [-c|--compress <prog>] [-d|--directory <dir>] [-u|--user' + echo ' <user>] [-g|--group <group>] [-e|--exclude <pattern>]' + echo ' <path> [<path> ...]' + echo ' platform [-F|--format <format>] [-S|--sep <string>] [-C|--conc' + echo ' <string>] [-L|--lower] [-U|--upper] [-v|--verbose]' + echo ' [-c|--concise] [-n|--no-newline] [-t|--type <type>]' + echo ' [-V|--version] [-h|--help]' + echo ' arx [-t|--trace] [-C|--command <cmd>] <op> <archive> [<file>' + echo ' ...]' + echo ' slo [-p|--prefix <str>] -- -L<dir> -l<lib> [-L<dir> -l<lib>' + echo ' ...]' + echo ' scpp [-v|--verbose] [-p|--preserve] [-f|--filter <filter>]' + echo ' [-o|--output <ofile>] [-t|--template <tfile>] [-M|--mark' + echo ' <mark>] [-D|--define <dname>] [-C|--class <cname>]' + echo ' <file> [<file> ...]' + echo ' version [-l|--language <lang>] [-n|--name <name>] [-p|--prefix' + echo ' <prefix>] [-s|--set <version>] [-e|--edit] [-i|--increase' + echo ' <knob>] [-d|--display <type>] <file>' + echo ' path [-s|--suppress] [-r|--reverse] [-d|--dirname] [-b|--basename]' + echo ' [-m|--magic] [-p|--path <path>] <str> [<str> ...]' + echo '' + exit 0 +fi +if [ ".$1" = ".-v" ] || [ ".$1" = ".--version" ]; then + echo "GNU shtool 2.0.5 (07-Feb-2006)" + exit 0 +fi +if [ ".$1" = ".-r" ] || [ ".$1" = ".--recreate" ]; then + shtoolize -oshtool echo move install mkdir mkln subst + exit 0 +fi +if [ ".$1" = ".-d" ] || [ ".$1" = ".--debug" ]; then + shift + set -x +fi +name=`echo "$0" | sed -e 's;.*/\([^/]*\)$;\1;' -e 's;-sh$;;' -e 's;\.sh$;;'` +case "$name" in + echo|move|install|mkdir|mkln|subst ) + # implicit tool command selection + tool="$name" + ;; + * ) + # explicit tool command selection + tool="$1" + shift + ;; +esac +arg_spec="" +opt_spec="" +gen_tmpfile=no + +## +## DISPATCH INTO SCRIPT PROLOG +## + +case $tool in + echo ) + str_tool="echo" + str_usage="[-n|--newline] [-e|--expand] [<string> ...]" + arg_spec="0+" + opt_spec="n.e." + opt_alias="n:newline,e:expand" + opt_n=no + opt_e=no + ;; + move ) + str_tool="move" + str_usage="[-v|--verbose] [-t|--trace] [-e|--expand] [-p|--preserve] <src-file> <dst-file>" + arg_spec="2=" + opt_spec="v.t.e.p." + opt_alias="v:verbose,t:trace,e:expand,p:preserve" + opt_v=no + opt_t=no + opt_e=no + opt_p=no + ;; + install ) + str_tool="install" + str_usage="[-v|--verbose] [-t|--trace] [-d|--mkdir] [-c|--copy] [-C|--compare-copy] [-s|--strip] [-m|--mode <mode>] [-o|--owner <owner>] [-g|--group <group>] [-e|--exec <sed-cmd>] <file> [<file> ...] <path>" + arg_spec="1+" + opt_spec="v.t.d.c.C.s.m:o:g:e+" + opt_alias="v:verbose,t:trace,d:mkdir,c:copy,C:compare-copy,s:strip,m:mode,o:owner,g:group,e:exec" + opt_v=no + opt_t=no + opt_d=no + opt_c=no + opt_C=no + opt_s=no + opt_m="0755" + opt_o="" + opt_g="" + opt_e="" + ;; + mkdir ) + str_tool="mkdir" + str_usage="[-t|--trace] [-f|--force] [-p|--parents] [-m|--mode <mode>] [-o|--owner <owner>] [-g|--group <group>] <dir> [<dir> ...]" + arg_spec="1+" + opt_spec="t.f.p.m:o:g:" + opt_alias="t:trace,f:force,p:parents,m:mode,o:owner,g:group" + opt_t=no + opt_f=no + opt_p=no + opt_m="" + opt_o="" + opt_g="" + ;; + mkln ) + str_tool="mkln" + str_usage="[-t|--trace] [-f|--force] [-s|--symbolic] <src-path> [<src-path> ...] <dst-path>" + arg_spec="2+" + opt_spec="t.f.s." + opt_alias="t:trace,f:force,s:symbolic" + opt_t=no + opt_f=no + opt_s=no + ;; + subst ) + str_tool="subst" + str_usage="[-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup <ext>] [-e|--exec <cmd>] [-f|--file <cmd-file>] [<file>] [...]" + gen_tmpfile=yes + arg_spec="0+" + opt_spec="v.t.n.w.q.s.i.b:e+f:" + opt_alias="v:verbose,t:trace,n:nop,w:warning,q:quiet,s:stealth,i:interactive,b:backup,e:exec,f:file" + opt_v=no + opt_t=no + opt_n=no + opt_w=no + opt_q=no + opt_s=no + opt_i=no + opt_b="" + opt_e="" + opt_f="" + ;; + -* ) + echo "$0:Error: unknown option \`$tool'" 2>&1 + echo "$0:Hint: run \`$0 -h' for usage" 2>&1 + exit 1 + ;; + * ) + echo "$0:Error: unknown command \`$tool'" 2>&1 + echo "$0:Hint: run \`$0 -h' for usage" 2>&1 + exit 1 + ;; +esac + +## +## COMMON UTILITY CODE +## + +# commonly used ASCII values +ASC_TAB=" " +ASC_NL=" +" + +# determine name of tool +if [ ".$tool" != . ]; then + # used inside shtool script + toolcmd="$0 $tool" + toolcmdhelp="shtool $tool" + msgprefix="shtool:$tool" +else + # used as standalone script + toolcmd="$0" + toolcmdhelp="sh $0" + msgprefix="$str_tool" +fi + +# parse argument specification string +eval `echo $arg_spec |\ + sed -e 's/^\([0-9]*\)\([+=]\)/arg_NUMS=\1; arg_MODE=\2/'` + +# parse option specification string +eval `echo h.$opt_spec |\ + sed -e 's/\([a-zA-Z0-9]\)\([.:+]\)/opt_MODE_\1=\2;/g'` + +# parse option alias string +eval `echo h:help,$opt_alias |\ + sed -e 's/-/_/g' -e 's/\([a-zA-Z0-9]\):\([^,]*\),*/opt_ALIAS_\2=\1;/g'` + +# interate over argument line +opt_PREV='' +while [ $# -gt 0 ]; do + # special option stops processing + if [ ".$1" = ".--" ]; then + shift + break + fi + + # determine option and argument + opt_ARG_OK=no + if [ ".$opt_PREV" != . ]; then + # merge previous seen option with argument + opt_OPT="$opt_PREV" + opt_ARG="$1" + opt_ARG_OK=yes + opt_PREV='' + else + # split argument into option and argument + case "$1" in + --[a-zA-Z0-9]*=*) + eval `echo "x$1" |\ + sed -e 's/^x--\([a-zA-Z0-9-]*\)=\(.*\)$/opt_OPT="\1";opt_ARG="\2"/'` + opt_STR=`echo $opt_OPT | sed -e 's/-/_/g'` + eval "opt_OPT=\${opt_ALIAS_${opt_STR}-${opt_OPT}}" + ;; + --[a-zA-Z0-9]*) + opt_OPT=`echo "x$1" | cut -c4-` + opt_STR=`echo $opt_OPT | sed -e 's/-/_/g'` + eval "opt_OPT=\${opt_ALIAS_${opt_STR}-${opt_OPT}}" + opt_ARG='' + ;; + -[a-zA-Z0-9]*) + eval `echo "x$1" |\ + sed -e 's/^x-\([a-zA-Z0-9]\)/opt_OPT="\1";/' \ + -e 's/";\(.*\)$/"; opt_ARG="\1"/'` + ;; + -[a-zA-Z0-9]) + opt_OPT=`echo "x$1" | cut -c3-` + opt_ARG='' + ;; + *) + break + ;; + esac + fi + + # eat up option + shift + + # determine whether option needs an argument + eval "opt_MODE=\$opt_MODE_${opt_OPT}" + if [ ".$opt_ARG" = . ] && [ ".$opt_ARG_OK" != .yes ]; then + if [ ".$opt_MODE" = ".:" ] || [ ".$opt_MODE" = ".+" ]; then + opt_PREV="$opt_OPT" + continue + fi + fi + + # process option + case $opt_MODE in + '.' ) + # boolean option + eval "opt_${opt_OPT}=yes" + ;; + ':' ) + # option with argument (multiple occurances override) + eval "opt_${opt_OPT}=\"\$opt_ARG\"" + ;; + '+' ) + # option with argument (multiple occurances append) + eval "opt_${opt_OPT}=\"\$opt_${opt_OPT}\${ASC_NL}\$opt_ARG\"" + ;; + * ) + echo "$msgprefix:Error: unknown option: \`$opt_OPT'" 1>&2 + echo "$msgprefix:Hint: run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2 + exit 1 + ;; + esac +done +if [ ".$opt_PREV" != . ]; then + echo "$msgprefix:Error: missing argument to option \`$opt_PREV'" 1>&2 + echo "$msgprefix:Hint: run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2 + exit 1 +fi + +# process help option +if [ ".$opt_h" = .yes ]; then + echo "Usage: $toolcmdhelp $str_usage" + exit 0 +fi + +# complain about incorrect number of arguments +case $arg_MODE in + '=' ) + if [ $# -ne $arg_NUMS ]; then + echo "$msgprefix:Error: invalid number of arguments (exactly $arg_NUMS expected)" 1>&2 + echo "$msgprefix:Hint: run \`$toolcmd -h' or \`man shtool' for details" 1>&2 + exit 1 + fi + ;; + '+' ) + if [ $# -lt $arg_NUMS ]; then + echo "$msgprefix:Error: invalid number of arguments (at least $arg_NUMS expected)" 1>&2 + echo "$msgprefix:Hint: run \`$toolcmd -h' or \`man shtool' for details" 1>&2 + exit 1 + fi + ;; +esac + +# establish a temporary file on request +if [ ".$gen_tmpfile" = .yes ]; then + # create (explicitly) secure temporary directory + if [ ".$TMPDIR" != . ]; then + tmpdir="$TMPDIR" + elif [ ".$TEMPDIR" != . ]; then + tmpdir="$TEMPDIR" + else + tmpdir="/tmp" + fi + tmpdir="$tmpdir/.shtool.$$" + ( umask 077 + rm -rf "$tmpdir" >/dev/null 2>&1 || true + mkdir "$tmpdir" >/dev/null 2>&1 + if [ $? -ne 0 ]; then + echo "$msgprefix:Error: failed to create temporary directory \`$tmpdir'" 1>&2 + exit 1 + fi + ) + + # create (implicitly) secure temporary file + tmpfile="$tmpdir/shtool.tmp" + touch "$tmpfile" +fi + +# utility function: map string to lower case +util_lower () { + echo "$1" | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' +} + +# utility function: map string to upper case +util_upper () { + echo "$1" | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' +} + +# cleanup procedure +shtool_exit () { + rc="$1" + if [ ".$gen_tmpfile" = .yes ]; then + rm -rf "$tmpdir" >/dev/null 2>&1 || true + fi + exit $rc +} + +## +## DISPATCH INTO SCRIPT BODY +## + +case $tool in + +echo ) + ## + ## echo -- Print string with optional construct expansion + ## Copyright (c) 1998-2006 Ralf S. Engelschall <rse@engelschall.com> + ## + + text="$*" + + # check for broken escape sequence expansion + seo='' + bytes=`echo '\1' | wc -c | awk '{ printf("%s", $1); }'` + if [ ".$bytes" != .3 ]; then + bytes=`echo -E '\1' | wc -c | awk '{ printf("%s", $1); }'` + if [ ".$bytes" = .3 ]; then + seo='-E' + fi + fi + + # check for existing -n option (to suppress newline) + minusn='' + bytes=`echo -n 123 2>/dev/null | wc -c | awk '{ printf("%s", $1); }'` + if [ ".$bytes" = .3 ]; then + minusn='-n' + fi + + # determine terminal bold sequence + term_bold='' + term_norm='' + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[Bb]'`" != . ]; then + case $TERM in + # for the most important terminal types we directly know the sequences + xterm|xterm*|vt220|vt220*) + term_bold=`awk 'BEGIN { printf("%c%c%c%c", 27, 91, 49, 109); }' </dev/null 2>/dev/null` + term_norm=`awk 'BEGIN { printf("%c%c%c", 27, 91, 109); }' </dev/null 2>/dev/null` + ;; + vt100|vt100*|cygwin) + term_bold=`awk 'BEGIN { printf("%c%c%c%c%c%c", 27, 91, 49, 109, 0, 0); }' </dev/null 2>/dev/null` + term_norm=`awk 'BEGIN { printf("%c%c%c%c%c", 27, 91, 109, 0, 0); }' </dev/null 2>/dev/null` + ;; + # for all others, we try to use a possibly existing `tput' or `tcout' utility + * ) + paths=`echo $PATH | sed -e 's/:/ /g'` + for tool in tput tcout; do + for dir in $paths; do + if [ -r "$dir/$tool" ]; then + for seq in bold md smso; do # 'smso' is last + bold="`$dir/$tool $seq 2>/dev/null`" + if [ ".$bold" != . ]; then + term_bold="$bold" + break + fi + done + if [ ".$term_bold" != . ]; then + for seq in sgr0 me rmso init reset; do # 'reset' is last + norm="`$dir/$tool $seq 2>/dev/null`" + if [ ".$norm" != . ]; then + term_norm="$norm" + break + fi + done + fi + break + fi + done + if [ ".$term_bold" != . ] && [ ".$term_norm" != . ]; then + break; + fi + done + ;; + esac + if [ ".$term_bold" = . ] || [ ".$term_norm" = . ]; then + echo "$msgprefix:Warning: unable to determine terminal sequence for bold mode" 1>&2 + term_bold='' + term_norm='' + fi + fi + + # determine user name + username='' + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[uUgG]'`" != . ]; then + username="`(id -un) 2>/dev/null`" + if [ ".$username" = . ]; then + str="`(id) 2>/dev/null`" + if [ ".`echo $str | grep '^uid[ ]*=[ ]*[0-9]*('`" != . ]; then + username=`echo $str | sed -e 's/^uid[ ]*=[ ]*[0-9]*(//' -e 's/).*$//'` + fi + if [ ".$username" = . ]; then + username="$LOGNAME" + if [ ".$username" = . ]; then + username="$USER" + if [ ".$username" = . ]; then + username="`(whoami) 2>/dev/null |\ + awk '{ printf("%s", $1); }'`" + if [ ".$username" = . ]; then + username="`(who am i) 2>/dev/null |\ + awk '{ printf("%s", $1); }'`" + if [ ".$username" = . ]; then + username='unknown' + fi + fi + fi + fi + fi + fi + fi + + # determine user id + userid='' + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%U'`" != . ]; then + userid="`(id -u) 2>/dev/null`" + if [ ".$userid" = . ]; then + userid="`(id -u ${username}) 2>/dev/null`" + if [ ".$userid" = . ]; then + str="`(id) 2>/dev/null`" + if [ ".`echo $str | grep '^uid[ ]*=[ ]*[0-9]*('`" != . ]; then + userid=`echo $str | sed -e 's/^uid[ ]*=[ ]*//' -e 's/(.*$//'` + fi + if [ ".$userid" = . ]; then + userid=`(getent passwd ${username}) 2>/dev/null | \ + sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'` + if [ ".$userid" = . ]; then + userid=`grep "^${username}:" /etc/passwd 2>/dev/null | \ + sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'` + if [ ".$userid" = . ]; then + userid=`(ypcat passwd) 2>/dev/null | + grep "^${username}:" | \ + sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'` + if [ ".$userid" = . ]; then + userid='?' + fi + fi + fi + fi + fi + fi + fi + + # determine (primary) group id + groupid='' + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[gG]'`" != . ]; then + groupid="`(id -g ${username}) 2>/dev/null`" + if [ ".$groupid" = . ]; then + str="`(id) 2>/dev/null`" + if [ ".`echo $str | grep 'gid[ ]*=[ ]*[0-9]*('`" != . ]; then + groupid=`echo $str | sed -e 's/^.*gid[ ]*=[ ]*//' -e 's/(.*$//'` + fi + if [ ".$groupid" = . ]; then + groupid=`(getent passwd ${username}) 2>/dev/null | \ + sed -e 's/[^:]*:[^:]*:[^:]*://' -e 's/:.*$//'` + if [ ".$groupid" = . ]; then + groupid=`grep "^${username}:" /etc/passwd 2>/dev/null | \ + sed -e 's/[^:]*:[^:]*:[^:]*://' -e 's/:.*$//'` + if [ ".$groupid" = . ]; then + groupid=`(ypcat passwd) 2>/dev/null | grep "^${username}:" | \ + sed -e 's/[^:]*:[^:]*:[^:]*://' -e 's/:.*$//'` + if [ ".$groupid" = . ]; then + groupid='?' + fi + fi + fi + fi + fi + fi + + # determine (primary) group name + groupname='' + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%g'`" != . ]; then + groupname="`(id -gn ${username}) 2>/dev/null`" + if [ ".$groupname" = . ]; then + str="`(id) 2>/dev/null`" + if [ ".`echo $str | grep 'gid[ ]*=[ ]*[0-9]*('`" != . ]; then + groupname=`echo $str | sed -e 's/^.*gid[ ]*=[ ]*[0-9]*(//' -e 's/).*$//'` + fi + if [ ".$groupname" = . ]; then + groupname=`(getent group) 2>/dev/null | \ + grep "^[^:]*:[^:]*:${groupid}:" | \ + sed -e 's/:.*$//'` + if [ ".$groupname" = . ]; then + groupname=`grep "^[^:]*:[^:]*:${groupid}:" /etc/group 2>/dev/null | \ + sed -e 's/:.*$//'` + if [ ".$groupname" = . ]; then + groupname=`(ypcat group) 2>/dev/null | \ + grep "^[^:]*:[^:]*:${groupid}:" | \ + sed -e 's/:.*$//'` + if [ ".$groupname" = . ]; then + groupname='?' + fi + fi + fi + fi + fi + fi + + # determine host and domain name + hostname='' + domainname='' + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%h'`" != . ]; then + hostname="`(uname -n) 2>/dev/null |\ + awk '{ printf("%s", $1); }'`" + if [ ".$hostname" = . ]; then + hostname="`(hostname) 2>/dev/null |\ + awk '{ printf("%s", $1); }'`" + if [ ".$hostname" = . ]; then + hostname='unknown' + fi + fi + case $hostname in + *.* ) + domainname=".`echo $hostname | cut -d. -f2-`" + hostname="`echo $hostname | cut -d. -f1`" + ;; + esac + fi + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%d'`" != . ]; then + if [ ".$domainname" = . ]; then + if [ -f /etc/resolv.conf ]; then + domainname="`grep '^[ ]*domain' /etc/resolv.conf | sed -e 'q' |\ + sed -e 's/.*domain//' \ + -e 's/^[ ]*//' -e 's/^ *//' -e 's/^ *//' \ + -e 's/^\.//' -e 's/^/./' |\ + awk '{ printf("%s", $1); }'`" + if [ ".$domainname" = . ]; then + domainname="`grep '^[ ]*search' /etc/resolv.conf | sed -e 'q' |\ + sed -e 's/.*search//' \ + -e 's/^[ ]*//' -e 's/^ *//' -e 's/^ *//' \ + -e 's/ .*//' -e 's/ .*//' \ + -e 's/^\.//' -e 's/^/./' |\ + awk '{ printf("%s", $1); }'`" + fi + fi + fi + fi + + # determine current time + time_day='' + time_month='' + time_year='' + time_monthname='' + if [ ".$opt_e" = .yes ] && [ ".`echo $text | grep '%[DMYm]'`" != . ]; then + time_day=`date '+%d'` + time_month=`date '+%m'` + time_year=`date '+%Y' 2>/dev/null` + if [ ".$time_year" = . ]; then + time_year=`date '+%y'` + case $time_year in + [5-9][0-9]) time_year="19$time_year" ;; + [0-4][0-9]) time_year="20$time_year" ;; + esac + fi + case $time_month in + 1|01) time_monthname='Jan' ;; + 2|02) time_monthname='Feb' ;; + 3|03) time_monthname='Mar' ;; + 4|04) time_monthname='Apr' ;; + 5|05) time_monthname='May' ;; + 6|06) time_monthname='Jun' ;; + 7|07) time_monthname='Jul' ;; + 8|08) time_monthname='Aug' ;; + 9|09) time_monthname='Sep' ;; + 10) time_monthname='Oct' ;; + 11) time_monthname='Nov' ;; + 12) time_monthname='Dec' ;; + esac + fi + + # expand special ``%x'' constructs + if [ ".$opt_e" = .yes ]; then + text=`echo $seo "$text" |\ + sed -e "s/%B/${term_bold}/g" \ + -e "s/%b/${term_norm}/g" \ + -e "s/%u/${username}/g" \ + -e "s/%U/${userid}/g" \ + -e "s/%g/${groupname}/g" \ + -e "s/%G/${groupid}/g" \ + -e "s/%h/${hostname}/g" \ + -e "s/%d/${domainname}/g" \ + -e "s/%D/${time_day}/g" \ + -e "s/%M/${time_month}/g" \ + -e "s/%Y/${time_year}/g" \ + -e "s/%m/${time_monthname}/g" 2>/dev/null` + fi + + # create output + if [ .$opt_n = .no ]; then + echo $seo "$text" + else + # the harder part: echo -n is best, because + # awk may complain about some \xx sequences. + if [ ".$minusn" != . ]; then + echo $seo $minusn "$text" + else + echo dummy | awk '{ printf("%s", TEXT); }' TEXT="$text" + fi + fi + + shtool_exit 0 + ;; + +move ) + ## + ## move -- Move files with simultaneous substitution + ## Copyright (c) 1999-2006 Ralf S. Engelschall <rse@engelschall.com> + ## + + src="$1" + dst="$2" + + # consistency checks + if [ ".$src" = . ] || [ ".$dst" = . ]; then + echo "$msgprefix:Error: Invalid arguments" 1>&2 + shtool_exit 1 + fi + if [ ".$src" = ".$dst" ]; then + echo "$msgprefix:Error: Source and destination files are the same" 1>&2 + shtool_exit 1 + fi + expsrc="$src" + if [ ".$opt_e" = .yes ]; then + expsrc="`echo $expsrc`" + fi + if [ ".$opt_e" = .yes ]; then + if [ ".`echo "$src" | sed -e 's;^.*\\*.*$;;'`" = ".$src" ]; then + echo "$msgprefix:Error: Source doesn't contain wildcard ('*'): $dst" 1>&2 + shtool_exit 1 + fi + if [ ".`echo "$dst" | sed -e 's;^.*%[1-9].*$;;'`" = ".$dst" ]; then + echo "$msgprefix:Error: Destination doesn't contain substitution ('%N'): $dst" 1>&2 + shtool_exit 1 + fi + if [ ".$expsrc" = ".$src" ]; then + echo "$msgprefix:Error: Sources not found or no asterisk : $src" 1>&2 + shtool_exit 1 + fi + else + if [ ! -r "$src" ]; then + echo "$msgprefix:Error: Source not found: $src" 1>&2 + shtool_exit 1 + fi + fi + + # determine substitution patterns + if [ ".$opt_e" = .yes ]; then + srcpat=`echo "$src" | sed -e 's/\\./\\\\./g' -e 's/;/\\;/g' -e 's;\\*;\\\\(.*\\\\);g'` + dstpat=`echo "$dst" | sed -e 's;%\([1-9]\);\\\\\1;g'` + fi + + # iterate over source(s) + for onesrc in $expsrc; do + if [ .$opt_e = .yes ]; then + onedst=`echo $onesrc | sed -e "s;$srcpat;$dstpat;"` + else + onedst="$dst" + fi + errorstatus=0 + if [ ".$opt_v" = .yes ]; then + echo "$onesrc -> $onedst" + fi + if [ ".$opt_p" = .yes ]; then + if [ -r $onedst ]; then + if cmp -s $onesrc $onedst; then + if [ ".$opt_t" = .yes ]; then + echo "rm -f $onesrc" 1>&2 + fi + rm -f $onesrc || errorstatus=$? + else + if [ ".$opt_t" = .yes ]; then + echo "mv -f $onesrc $onedst" 1>&2 + fi + mv -f $onesrc $onedst || errorstatus=$? + fi + else + if [ ".$opt_t" = .yes ]; then + echo "mv -f $onesrc $onedst" 1>&2 + fi + mv -f $onesrc $onedst || errorstatus=$? + fi + else + if [ ".$opt_t" = .yes ]; then + echo "mv -f $onesrc $onedst" 1>&2 + fi + mv -f $onesrc $onedst || errorstatus=$? + fi + if [ $errorstatus -ne 0 ]; then + break; + fi + done + + shtool_exit $errorstatus + ;; + +install ) + ## + ## install -- Install a program, script or datafile + ## Copyright (c) 1997-2006 Ralf S. Engelschall <rse@engelschall.com> + ## + + # special case: "shtool install -d <dir> [...]" internally + # maps to "shtool mkdir -f -p -m 755 <dir> [...]" + if [ "$opt_d" = yes ]; then + cmd="$0 mkdir -f -p -m 755" + if [ ".$opt_o" != . ]; then + cmd="$cmd -o '$opt_o'" + fi + if [ ".$opt_g" != . ]; then + cmd="$cmd -g '$opt_g'" + fi + if [ ".$opt_v" = .yes ]; then + cmd="$cmd -v" + fi + if [ ".$opt_t" = .yes ]; then + cmd="$cmd -t" + fi + for dir in "$@"; do + eval "$cmd $dir" || shtool_exit $? + done + shtool_exit 0 + fi + + # determine source(s) and destination + argc=$# + srcs="" + while [ $# -gt 1 ]; do + srcs="$srcs $1" + shift + done + dstpath="$1" + + # type check for destination + dstisdir=0 + if [ -d $dstpath ]; then + dstpath=`echo "$dstpath" | sed -e 's:/$::'` + dstisdir=1 + fi + + # consistency check for destination + if [ $argc -gt 2 ] && [ $dstisdir = 0 ]; then + echo "$msgprefix:Error: multiple sources require destination to be directory" 1>&2 + shtool_exit 1 + fi + + # iterate over all source(s) + for src in $srcs; do + dst=$dstpath + + # if destination is a directory, append the input filename + if [ $dstisdir = 1 ]; then + dstfile=`echo "$src" | sed -e 's;.*/\([^/]*\)$;\1;'` + dst="$dst/$dstfile" + fi + + # check for correct arguments + if [ ".$src" = ".$dst" ]; then + echo "$msgprefix:Warning: source and destination are the same - skipped" 1>&2 + continue + fi + if [ -d "$src" ]; then + echo "$msgprefix:Warning: source \`$src' is a directory - skipped" 1>&2 + continue + fi + + # make a temp file name in the destination directory + dsttmp=`echo $dst |\ + sed -e 's;[^/]*$;;' -e 's;\(.\)/$;\1;' -e 's;^$;.;' \ + -e "s;\$;/#INST@$$#;"` + + # verbosity + if [ ".$opt_v" = .yes ]; then + echo "$src -> $dst" 1>&2 + fi + + # copy or move the file name to the temp name + # (because we might be not allowed to change the source) + if [ ".$opt_C" = .yes ]; then + opt_c=yes + fi + if [ ".$opt_c" = .yes ]; then + if [ ".$opt_t" = .yes ]; then + echo "cp $src $dsttmp" 1>&2 + fi + cp $src $dsttmp || shtool_exit $? + else + if [ ".$opt_t" = .yes ]; then + echo "mv $src $dsttmp" 1>&2 + fi + mv $src $dsttmp || shtool_exit $? + fi + + # adjust the target file + if [ ".$opt_e" != . ]; then + sed='sed' + OIFS="$IFS"; IFS="$ASC_NL"; set -- $opt_e; IFS="$OIFS" + for e + do + sed="$sed -e '$e'" + done + cp $dsttmp $dsttmp.old + chmod u+w $dsttmp + eval "$sed <$dsttmp.old >$dsttmp" || shtool_exit $? + rm -f $dsttmp.old + fi + if [ ".$opt_s" = .yes ]; then + if [ ".$opt_t" = .yes ]; then + echo "strip $dsttmp" 1>&2 + fi + strip $dsttmp || shtool_exit $? + fi + if [ ".$opt_o" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chown $opt_o $dsttmp" 1>&2 + fi + chown $opt_o $dsttmp || shtool_exit $? + fi + if [ ".$opt_g" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chgrp $opt_g $dsttmp" 1>&2 + fi + chgrp $opt_g $dsttmp || shtool_exit $? + fi + if [ ".$opt_m" != ".-" ]; then + if [ ".$opt_t" = .yes ]; then + echo "chmod $opt_m $dsttmp" 1>&2 + fi + chmod $opt_m $dsttmp || shtool_exit $? + fi + + # determine whether to do a quick install + # (has to be done _after_ the strip was already done) + quick=no + if [ ".$opt_C" = .yes ]; then + if [ -r $dst ]; then + if cmp -s $src $dst; then + quick=yes + fi + fi + fi + + # finally, install the file to the real destination + if [ $quick = yes ]; then + if [ ".$opt_t" = .yes ]; then + echo "rm -f $dsttmp" 1>&2 + fi + rm -f $dsttmp + else + if [ ".$opt_t" = .yes ]; then + echo "rm -f $dst && mv $dsttmp $dst" 1>&2 + fi + rm -f $dst && mv $dsttmp $dst + fi + done + + shtool_exit 0 + ;; + +mkdir ) + ## + ## mkdir -- Make one or more directories + ## Copyright (c) 1996-2006 Ralf S. Engelschall <rse@engelschall.com> + ## + + errstatus=0 + for p in ${1+"$@"}; do + # if the directory already exists... + if [ -d "$p" ]; then + if [ ".$opt_f" = .no ] && [ ".$opt_p" = .no ]; then + echo "$msgprefix:Error: directory already exists: $p" 1>&2 + errstatus=1 + break + else + continue + fi + fi + # if the directory has to be created... + if [ ".$opt_p" = .no ]; then + if [ ".$opt_t" = .yes ]; then + echo "mkdir $p" 1>&2 + fi + mkdir $p || errstatus=$? + if [ ".$opt_o" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chown $opt_o $p" 1>&2 + fi + chown $opt_o $p || errstatus=$? + fi + if [ ".$opt_g" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chgrp $opt_g $p" 1>&2 + fi + chgrp $opt_g $p || errstatus=$? + fi + if [ ".$opt_m" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chmod $opt_m $p" 1>&2 + fi + chmod $opt_m $p || errstatus=$? + fi + else + # the smart situation + set fnord `echo ":$p" |\ + sed -e 's/^:\//%/' \ + -e 's/^://' \ + -e 's/\// /g' \ + -e 's/^%/\//'` + shift + pathcomp='' + for d in ${1+"$@"}; do + pathcomp="$pathcomp$d" + case "$pathcomp" in + -* ) pathcomp="./$pathcomp" ;; + esac + if [ ! -d "$pathcomp" ]; then + if [ ".$opt_t" = .yes ]; then + echo "mkdir $pathcomp" 1>&2 + fi + mkdir $pathcomp || errstatus=$? + if [ ".$opt_o" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chown $opt_o $pathcomp" 1>&2 + fi + chown $opt_o $pathcomp || errstatus=$? + fi + if [ ".$opt_g" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chgrp $opt_g $pathcomp" 1>&2 + fi + chgrp $opt_g $pathcomp || errstatus=$? + fi + if [ ".$opt_m" != . ]; then + if [ ".$opt_t" = .yes ]; then + echo "chmod $opt_m $pathcomp" 1>&2 + fi + chmod $opt_m $pathcomp || errstatus=$? + fi + fi + pathcomp="$pathcomp/" + done + fi + done + + shtool_exit $errstatus + ;; + +mkln ) + ## + ## mkln -- Make link with calculation of relative paths + ## Copyright (c) 1998-2006 Ralf S. Engelschall <rse@engelschall.com> + ## + + # determine source(s) and destination + args=$? + srcs="" + while [ $# -gt 1 ]; do + srcs="$srcs $1" + shift + done + dst="$1" + if [ ! -d $dst ]; then + if [ $args -gt 2 ]; then + echo "$msgprefix:Error: multiple sources not allowed when target isn't a directory" 1>&2 + shtool_exit 1 + fi + fi + + # determine link options + lnopt="" + if [ ".$opt_f" = .yes ]; then + lnopt="$lnopt -f" + fi + if [ ".$opt_s" = .yes ]; then + lnopt="$lnopt -s" + fi + + # iterate over sources + for src in $srcs; do + # determine if one of the paths is an absolute path, + # because then we _have_ to use an absolute symlink + oneisabs=0 + srcisabs=0 + dstisabs=0 + case $src in + /* ) oneisabs=1; srcisabs=1 ;; + esac + case $dst in + /* ) oneisabs=1; dstisabs=1 ;; + esac + + # split source and destination into dir and base name + if [ -d $src ]; then + srcdir=`echo $src | sed -e 's;/*$;;'` + srcbase="" + else + srcdir=`echo $src | sed -e 's;^[^/]*$;;' -e 's;^\(.*/\)[^/]*$;\1;' -e 's;\(.\)/$;\1;'` + srcbase=`echo $src | sed -e 's;.*/\([^/]*\)$;\1;'` + fi + if [ -d $dst ]; then + dstdir=`echo $dst | sed -e 's;/*$;;'` + dstbase="" + else + dstdir=`echo $dst | sed -e 's;^[^/]*$;;' -e 's;^\(.*/\)[^/]*$;\1;' -e 's;\(.\)/$;\1;'` + dstbase=`echo $dst | sed -e 's;.*/\([^/]*\)$;\1;'` + fi + + # consistency check + if [ ".$dstdir" != . ]; then + if [ ! -d $dstdir ]; then + echo "$msgprefix:Error: destination directory not found: $dstdir" 1>&2 + shtool_exit 1 + fi + fi + + # make sure the source is reachable from the destination + if [ $dstisabs = 1 ]; then + if [ $srcisabs = 0 ]; then + if [ ".$srcdir" = . ]; then + srcdir="`pwd | sed -e 's;/*$;;'`" + srcisabs=1 + oneisabs=1 + elif [ -d $srcdir ]; then + srcdir="`cd $srcdir; pwd | sed -e 's;/*$;;'`" + srcisabs=1 + oneisabs=1 + fi + fi + fi + + # split away a common prefix + prefix="" + if [ ".$srcdir" = ".$dstdir" ] && [ ".$srcdir" != . ]; then + prefix="$srcdir/" + srcdir="" + dstdir="" + else + while [ ".$srcdir" != . ] && [ ".$dstdir" != . ]; do + presrc=`echo $srcdir | sed -e 's;^\([^/]*\)/.*;\1;'` + predst=`echo $dstdir | sed -e 's;^\([^/]*\)/.*;\1;'` + if [ ".$presrc" != ".$predst" ]; then + break + fi + prefix="$prefix$presrc/" + srcdir=`echo $srcdir | sed -e 's;^[^/]*/*;;'` + dstdir=`echo $dstdir | sed -e 's;^[^/]*/*;;'` + done + fi + + # destination prefix is just the common prefix + dstpre="$prefix" + + # determine source prefix which is the reverse directory + # step-up corresponding to the destination directory + srcpre="" + + isroot=0 + if [ ".$prefix" = . ] || [ ".$prefix" = ./ ]; then + isroot=1 + fi + if [ $oneisabs = 0 ] || [ $isroot = 0 ]; then + pl="$dstdir/" + OIFS="$IFS"; IFS='/' + for pe in $pl; do + [ ".$pe" = . ] && continue + [ ".$pe" = .. ] && continue + srcpre="../$srcpre" + done + IFS="$OIFS" + else + if [ $srcisabs = 1 ]; then + srcpre="$prefix" + fi + fi + + # determine destination symlink name + if [ ".$dstbase" = . ]; then + if [ ".$srcbase" != . ]; then + dstbase="$srcbase" + else + dstbase=`echo "$prefix$srcdir" | sed -e 's;/*$;;' -e 's;.*/\([^/]*\)$;\1;'` + fi + fi + + # now finalize source and destination directory paths + srcdir=`echo $srcdir | sed -e 's;\([^/]\)$;\1/;'` + dstdir=`echo $dstdir | sed -e 's;\([^/]\)$;\1/;'` + + # run the final link command + if [ ".$opt_t" = .yes ]; then + echo "ln$lnopt $srcpre$srcdir$srcbase $dstpre$dstdir$dstbase" + fi + eval ln$lnopt $srcpre$srcdir$srcbase $dstpre$dstdir$dstbase + done + + shtool_exit 0 + ;; + +subst ) + ## + ## subst -- Apply sed(1) substitution operations + ## Copyright (c) 2001-2006 Ralf S. Engelschall <rse@engelschall.com> + ## + + # remember optional list of file(s) + files="$*" + files_num="$#" + + # parameter consistency check + if [ $# -eq 0 ] && [ ".$opt_b" != . ]; then + echo "$msgprefix:Error: option -b cannot be applied to stdin" 1>&2 + shtool_exit 1 + fi + if [ $# -eq 0 ] && [ ".$opt_s" = .yes ]; then + echo "$msgprefix:Error: option -s cannot be applied to stdin" 1>&2 + shtool_exit 1 + fi + + # build underlying sed(1) command + sedcmd='sed' + if [ ".$opt_e" != . ]; then + OIFS="$IFS"; IFS="$ASC_NL"; set -- $opt_e; IFS="$OIFS" + for e + do + sedcmd="$sedcmd -e '$e'" + done + elif [ ".$opt_f" != . ]; then + if [ ! -f $opt_f ]; then + echo "$msgprefix:Error: command file \`$opt_f' not found or not a regular file" 1>&2 + shtool_exit 1 + fi + sedcmd="$sedcmd -f '$opt_f'" + else + echo "$msgprefix:Error: either -e option(s) or -f option required" 1>&2 + shtool_exit 1 + fi + + # determine extension for original file + orig=".orig" + if [ ".$opt_b" != . ]; then + orig="$opt_b" + fi + + # apply sed(1) operation(s) + if [ ".$files" != . ]; then + # apply operation(s) to files + substdone=no + for file in $files; do + test ".$file" = . && continue + if [ ! -f $file ]; then + echo "$msgprefix:Warning: file \`$file' not found or not a regular file" 1>&2 + continue + fi + + # handle interactive mode + if [ ".$opt_i" = .yes ]; then + eval "$sedcmd <$file >$file.new" + skip=no + if cmp $file $file.new >/dev/null 2>&1; then + rm -f $file.new + skip=yes + else + (diff -U1 $file $file.new >$tmpfile) 2>/dev/null + if [ ".`cat $tmpfile`" = . ]; then + (diff -C1 $file $file.new >$tmpfile) 2>/dev/null + if [ ".`cat $tmpfile`" = . ]; then + echo "$msgprefix:Warning: unable to show difference for file \`$file'" 1>&2 + cp /dev/null $tmpfile + fi + fi + rm -f $file.new + cat $tmpfile + echo dummy | awk '{ printf("%s", TEXT); }' TEXT=">>> Apply [Y/n]: " + read input + if [ ".$input" != .Y ] &&\ + [ ".$input" != .y ] &&\ + [ ".$input" != . ]; then + skip=yes + fi + fi + if [ ".$skip" = .yes ]; then + if [ ".$opt_v" = .yes ]; then + echo "file \`$file' -- skipped" 1>&2 + fi + continue + fi + fi + + # apply sed(1) operation(s) + if [ ".$opt_v" = .yes ]; then + echo "patching \`$file'" 1>&2 + fi + if [ ".$opt_t" = .yes ]; then + echo "\$ cp -p $file $file$orig" + echo "\$ chmod u+w $file" + echo "\$ $sedcmd <$file$orig >$file" + fi + if [ ".$opt_n" = .no ]; then + cp -p $file $file$orig + chmod u+w $file >/dev/null 2>&1 || true + eval "$sedcmd <$file$orig >$file" + fi + + # optionally fix timestamp + if [ ".$opt_s" = .yes ]; then + if [ ".$opt_t" = .yes ]; then + echo "\$ touch -r $file$orig $file" + fi + if [ ".$opt_n" = .no ]; then + touch -r $file$orig $file + fi + fi + + # optionally check whether any content change actually occurred + if [ ".$opt_q" = .no ]; then + if cmp $file$orig $file >/dev/null 2>&1; then + if [ ".$opt_w" = .yes ]; then + echo "$msgprefix:Warning: substitution resulted in no content change on file \"$file\"" 1>&2 + fi + else + substdone=yes + fi + fi + + # optionally remove preserved original file + if [ ".$opt_b" = . ]; then + if [ ".$opt_t" = .yes ]; then + echo "\$ rm -f $file$orig" + fi + if [ ".$opt_n" = .no ]; then + rm -f $file$orig + fi + fi + done + if [ ".$opt_q" = .no ] && [ ".$opt_w" = .no ]; then + if [ ".$substdone" = .no ]; then + if [ ".$files_num" = .1 ]; then + echo "$msgprefix:Warning: substitution resulted in no content change on file \"$file\"" 1>&2 + else + echo "$msgprefix:Warning: substitution resulted in no content change on any file" 1>&2 + fi + fi + fi + else + # apply operation(s) to stdin/stdout + if [ ".$opt_v" = .yes ]; then + echo "patching <stdin>" 1>&2 + fi + if [ ".$opt_t" = .yes ]; then + echo "\$ $sedcmd" + fi + if [ ".$opt_n" = .no ]; then + eval "$sedcmd" + fi + fi + + shtool_exit 0 + ;; + +esac + +shtool_exit 0 + |