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|
#! /bin/sh
## (From INN-1.4, written by Rich Salz)
## $Revision$
## A script to install files and directories.
PROGNAME=`basename $0`
## Paths to programs. CHOWN and WHOAMI are checked below.
CHOWN=chown
CHGRP=chgrp
CHMOD=chmod
CP=cp
LN=ln
MKDIR=mkdir
MV=mv
RM=rm
STRIP=strip
WHOAMI=whoami
## Some systems don't support -x, so we have to use -f.
if [ ${CHOWN} = chown ] ; then
if [ -f /etc/chown ] ; then
CHOWN=/etc/chown
else
if [ -f /usr/etc/chown ] ; then
CHOWN=/usr/etc/chown
fi
fi
fi
if [ ${WHOAMI} = whoami ] ; then
if [ -f /usr/ucb/whoami ] ; then
WHOAMI=/usr/ucb/whoami
fi
fi
## Defaults.
CHOWNIT=false
CHGROUPIT=false
CHMODIT=false
STRIPIT=false
BACKIT=false
TOUCHIT=true
SAVESRC=false
ROOT=unknown
## Process JCL.
MORETODO=true
while ${MORETODO} ; do
case X"$1" in
X-b)
BACKIT=true
BACKUP="$2"
shift
;;
X-b*)
BACKIT=true
BACKUP=`expr "$1" : '-b\(.*\)'`
;;
X-c)
SAVESRC=true
;;
X-g)
GROUP="$2"
CHGROUPIT=true
shift
;;
X-g*)
GROUP=`expr "$1" : '-g\(.*\)'`
CHGROUPIT=true
;;
X-G)
case ${ROOT} in
unknown)
case `${WHOAMI}` in
root)
ROOT=true
;;
*)
ROOT=false
;;
esac
;;
esac
GROUP="$2"
shift
${ROOT} && CHGROUPIT=true
;;
X-G*)
case ${ROOT} in
unknown)
case `${WHOAMI}` in
root)
ROOT=true
;;
*)
ROOT=false
;;
esac
;;
esac
if ${ROOT} ; then
GROUP=`expr "$1" : '-g\(.*\)'`
CHGROUPIT=true
fi
;;
X-m)
MODE="$2"
CHMODIT=true
shift
;;
X-m*)
MODE=`expr "$1" : '-m\(.*\)'`
CHMODIT=true
;;
X-n)
TOUCHIT=false
;;
X-o)
OWNER="$2"
CHOWNIT=true
shift
;;
X-o*)
OWNER=`expr "$1" : '-o\(.*\)'`
CHOWNIT=true
;;
X-O)
case ${ROOT} in
unknown)
case `${WHOAMI}` in
root)
ROOT=true
;;
*)
ROOT=false
;;
esac
;;
esac
OWNER="$2"
shift
${ROOT} && CHOWNIT=true
;;
X-O*)
case ${ROOT} in
unknown)
case `${WHOAMI}` in
root)
ROOT=true
;;
*)
ROOT=false
;;
esac
;;
esac
if ${ROOT} ; then
OWNER=`expr "$1" : '-o\(.*\)'`
CHOWNIT=true
fi
;;
X-s)
STRIPIT=true
;;
X--)
shift
MORETODO=false
;;
X-*)
echo "${PROGNAME}: Unknown flag $1" 1>&2
exit 1
;;
*)
MORETODO=false
;;
esac
${MORETODO} && shift
done
## Process arguments.
if [ $# -ne 2 ] ; then
echo "Usage: ${PROGNAME} [flags] source destination"
exit 1
fi
## Making a directory?
if [ X"$1" = X. ] ; then
DEST="$2"
if [ ! -d "${DEST}" ] ; then
${MKDIR} "${DEST}" || exit 1
fi
if ${CHOWNIT} ; then
${CHOWN} "${OWNER}" "${DEST}" || exit 1
fi
if ${CHGROUPIT} ; then
${CHGRP} "${GROUP}" "${DEST}" || exit 1
fi
if ${CHMODIT} ; then
umask 0
${CHMOD} "${MODE}" "${DEST}" || exit 1
fi
exit 0
fi
## Get the destination and a temp file in the destination diretory.
if [ -d "$2" ] ; then
DEST="$2/$1"
TEMP="$2/$$.tmp"
else
DEST="$2"
TEMP="`expr "$2" : '\(.*\)/.*'`/$$.tmp"
fi
## If not given the same name, we must try to copy.
if [ X"$1" != X"$2" -o $SAVESRC ] ; then
if cmp -s "$1" "${DEST}" ; then
## Files are same; touch or not.
${TOUCHIT} && touch "${DEST}"
else
## If destination exists and we wish to backup, link to backup.
if [ -f "${DEST}" ] ; then
if ${BACKIT} ; then
${RM} -f "${DEST}${BACKUP}"
${LN} "${DEST}" "${DEST}${BACKUP}"
fi
fi
## Copy source to the right dir, then move to right spot.
## Done in two parts so we can hope for atomicity.
${RM} -f "${TEMP}" || exit 1
${CP} "$1" "${TEMP}" || exit 1
${MV} -f "${TEMP}" "${DEST}" || exit 1
fi
fi
## Strip and set the modes.
if ${STRIPIT} ; then
${STRIP} "${DEST}" || exit 1
fi
if ${CHOWNIT} ; then
${CHOWN} "${OWNER}" "${DEST}" || exit 1
fi
if ${CHGROUPIT} ; then
${CHGRP} "${GROUP}" "${DEST}" || exit 1
fi
if ${CHMODIT} ; then
umask 0
${CHMOD} "${MODE}" "${DEST}" || exit 1
fi
exit 0
|
