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|
#!/bin/bash
#
# install.sh [--uninstall] sourcefile targetfile
#
# Check for uninstall option
if test "x$1" == "x--uninstall" ; then
UNINSTALL=true
SOURCE=$2
TARGET=$3
else
UNINSTALL=false
SOURCE=$1
TARGET=$2
fi
# Check usage
if test -z "$SOURCE" || test -z "$TARGET" ; then
echo Usage: install.sh [--uninstall] source target >&2
exit 1
fi
#
# do_install(SOURCE_FILE, TARGET_FILE)
#
do_install()
{
local SOURCE=$1
local TARGET=$2
install -D $SOURCE $TARGET
}
#
# do_uninstall(SOURCE_FILE, TARGET_FILE)
#
do_uninstall()
{
local SOURCE=$1
local TARGET=$2
# Does target exist?
if test -r $TARGET ; then
# Is target of the same version as this package?
if diff $SOURCE $TARGET >/dev/null; then
rm -f $TARGET
else
echo WARNING: Skipping uninstall for $TARGET - versions differ! >&2
fi
else
echo WARNING: Skipping uninstall for $TARGET - not installed! >&2
fi
}
# Call sub routine
if $UNINSTALL ; then
do_uninstall $SOURCE $TARGET
else
do_install $SOURCE $TARGET
fi
exit 0
|
