view src/libid3tag-0.15.1b/install-sh @ 83:ae30d91d2ffe

Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +0000
parents c7265573341e
children
line wrap: on
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#!/bin/sh
#
# install - install a program, script, or datafile
# This comes from X11R5 (mit/util/scripts/install.sh).
#
# Copyright 1991 by the Massachusetts Institute of Technology
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
# the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation, and that the name of M.I.T. not be used in advertising or
# publicity pertaining to distribution of the software without specific,
# written prior permission.  M.I.T. makes no representations about the
# suitability of this software for any purpose.  It is provided "as is"
# without express or implied warranty.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.  It can only install one file at a time, a restriction
# shared with many OS's install programs.


# set DOITPROG to echo to test this script

# Don't use :- since 4.3BSD and earlier shells don't like it.
doit="${DOITPROG-}"


# put in absolute paths if you don't have them in your path; or use env. vars.

mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"
mkdirprog="${MKDIRPROG-mkdir}"

transformbasename=""
transform_arg=""
instcmd="$mvprog"
chmodcmd="$chmodprog 0755"
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
dst=""
dir_arg=""

while [ x"$1" != x ]; do
    case $1 in
	-c) instcmd=$cpprog
	    shift
	    continue;;

	-d) dir_arg=true
	    shift
	    continue;;

	-m) chmodcmd="$chmodprog $2"
	    shift
	    shift
	    continue;;

	-o) chowncmd="$chownprog $2"
	    shift
	    shift
	    continue;;

	-g) chgrpcmd="$chgrpprog $2"
	    shift
	    shift
	    continue;;

	-s) stripcmd=$stripprog
	    shift
	    continue;;

	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
	    shift
	    continue;;

	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
	    shift
	    continue;;

	*)  if [ x"$src" = x ]
	    then
		src=$1
	    else
		# this colon is to work around a 386BSD /bin/sh bug
		:
		dst=$1
	    fi
	    shift
	    continue;;
    esac
done

if [ x"$src" = x ]
then
	echo "$0: no input file specified" >&2
	exit 1
else
	:
fi

if [ x"$dir_arg" != x ]; then
	dst=$src
	src=""

	if [ -d "$dst" ]; then
		instcmd=:
		chmodcmd=""
	else
		instcmd=$mkdirprog
	fi
else

# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.

	if [ -f "$src" ] || [ -d "$src" ]
	then
		:
	else
		echo "$0: $src does not exist" >&2
		exit 1
	fi

	if [ x"$dst" = x ]
	then
		echo "$0: no destination specified" >&2
		exit 1
	else
		:
	fi

# If destination is a directory, append the input filename; if your system
# does not like double slashes in filenames, you may need to add some logic

	if [ -d "$dst" ]
	then
		dst=$dst/`basename "$src"`
	else
		:
	fi
fi

## this sed command emulates the dirname command
dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`

# Make sure that the destination directory exists.
#  this part is taken from Noah Friedman's mkinstalldirs script

# Skip lots of stat calls in the usual case.
if [ ! -d "$dstdir" ]; then
defaultIFS='
	'
IFS="${IFS-$defaultIFS}"

oIFS=$IFS
# Some sh's can't handle IFS=/ for some reason.
IFS='%'
set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
IFS=$oIFS

pathcomp=''

while [ $# -ne 0 ] ; do
	pathcomp=$pathcomp$1
	shift

	if [ ! -d "$pathcomp" ] ;
        then
		$mkdirprog "$pathcomp"
	else
		:
	fi

	pathcomp=$pathcomp/
done
fi

if [ x"$dir_arg" != x ]
then
	$doit $instcmd "$dst" &&

	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
else

# If we're going to rename the final executable, determine the name now.

	if [ x"$transformarg" = x ]
	then
		dstfile=`basename "$dst"`
	else
		dstfile=`basename "$dst" $transformbasename |
			sed $transformarg`$transformbasename
	fi

# don't allow the sed command to completely eliminate the filename

	if [ x"$dstfile" = x ]
	then
		dstfile=`basename "$dst"`
	else
		:
	fi

# Make a couple of temp file names in the proper directory.

	dsttmp=$dstdir/#inst.$$#
	rmtmp=$dstdir/#rm.$$#

# Trap to clean up temp files at exit.

	trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
	trap '(exit $?); exit' 1 2 13 15

# Move or copy the file name to the temp name

	$doit $instcmd "$src" "$dsttmp" &&

# and set any options; do chmod last to preserve setuid bits

# If any of these fail, we abort the whole thing.  If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $instcmd $src $dsttmp" command.

	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&

# Now remove or move aside any old file at destination location.  We try this
# two ways since rm can't unlink itself on some systems and the destination
# file might be busy for other reasons.  In this case, the final cleanup
# might fail but the new file should still install successfully.

{
	if [ -f "$dstdir/$dstfile" ]
	then
		$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
		$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
		{
		  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
		  (exit 1); exit
		}
	else
		:
	fi
} &&

# Now rename the file to the real destination.

	$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"

fi &&

# The final little trick to "correctly" pass the exit status to the exit trap.

{
	(exit 0); exit
}