pdfio/install-sh

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2023-12-04 01:16:34 +01:00
#!/bin/sh
#
# Install a program, script, or datafile.
#
# Copyright 2008-2012 by Apple Inc.
#
# This script is not compatible with BSD (or any other) install program, as it
# allows owner and group changes to fail with a warning and makes sure that the
# destination directory permissions are as specified - BSD install and the
# original X11 install script did not change permissions of existing
# directories. It also does not support the transform options since CUPS does
# not use them...
#
# Original script 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.
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit="${DOITPROG-}"
# Force umask to 022...
umask 022
# put in absolute paths if you don't have them in your path; or use env. vars.
mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"
mkdirprog="${MKDIRPROG-mkdir}"
gzipprog="${GZIPPROG-gzip}"
transformbasename=""
transform_arg=""
instcmd="$mvprog"
chmodcmd="$chmodprog 0755"
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
dst=""
dir_arg=""
gzipcp() {
# gzipcp from to
$gzipprog -9 <"$1" >"$2"
}
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
;;
-z)
instcmd="gzipcp"
shift
continue
;;
*)
if [ x"$src" = x ]; then
src="$1"
else
dst="$1"
fi
shift
continue
;;
esac
done
if [ x"$src" = x ]; then
echo "install-sh: No input file specified"
exit 1
fi
if [ x"$dir_arg" != x ]; then
dst="$src"
src=""
if [ -d "$dst" ]; then
instcmd=:
else
instcmd=$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" -a ! -d "$src" ]; then
echo "install: $src does not exist"
exit 1
fi
if [ x"$dst" = x ]; then
echo "install: No destination specified"
exit 1
fi
# If destination is a directory, append the input filename.
if [ -d "$dst" ]; then
dst="$dst/`basename $src`"
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 $doit $mkdirprog "${pathcomp}"; fi
pathcomp="${pathcomp}/"
done
fi
if [ x"$dir_arg" != x ]; then
# Make a directory...
$doit $instcmd $dst || exit 1
# Allow chown/chgrp to fail, but log a warning
if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst || echo "warning: Unable to change owner of $dst!"; fi
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst || echo "warning: Unable to change group of $dst!"; fi
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst || exit 1; fi
else
# Install a file...
dstfile="`basename $dst`"
# Check the destination file - for libraries just use the "-x" option
# to strip...
case "$dstfile" in
*.a | *.dylib | *.sl | *.sl.* | *.so | *.so.*)
stripopt="-x"
;;
*)
stripopt=""
;;
esac
# Make a temp file name in the proper directory.
dsttmp="$dstdir/#inst.$$#"
# Move or copy the file name to the temp name
$doit $instcmd $src $dsttmp || exit 1
# Update permissions and strip as needed, then move to the final name.
# If the chmod, strip, rm, or mv commands fail, remove the installed
# file...
if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripopt "$dsttmp" || echo "warning: Unable to strip $dst!"; fi
if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp" || echo "warning: Unable to change owner of $dst!"; fi
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp" || echo "warning: Unable to change group of $dst!"; fi
trap "rm -f ${dsttmp}" 0 &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; fi &&
$doit $rmcmd -f "$dstdir/$dstfile" &&
$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
fi
exit 0