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#!/bin/sh
# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
msg() {
echo "gen-install-script: $1"
}
step_msg() {
msg
msg "$1"
msg
}
warn() {
echo "gen-install-script: WARNING: $1"
}
err() {
echo "gen-install-script: error: $1"
exit 1
}
need_ok() {
if [ $? -ne 0 ]
then
err "$1"
fi
}
need_cmd() {
if command -v $1 >/dev/null 2>&1
then msg "found $1"
else err "need $1"
fi
}
putvar() {
local T
eval T=\$$1
eval TLEN=\${#$1}
if [ $TLEN -gt 35 ]
then
printf "gen-install-script: %-20s := %.35s ...\n" $1 "$T"
else
printf "gen-install-script: %-20s := %s %s\n" $1 "$T" "$2"
fi
}
valopt() {
VAL_OPTIONS="$VAL_OPTIONS $1"
local OP=$1
local DEFAULT=$2
shift
shift
local DOC="$*"
if [ $HELP -eq 0 ]
then
local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
local V="CFG_${UOP}"
eval $V="$DEFAULT"
for arg in $CFG_ARGS
do
if echo "$arg" | grep -q -- "--$OP="
then
val=$(echo "$arg" | cut -f2 -d=)
eval $V=$val
fi
done
putvar $V
else
if [ -z "$DEFAULT" ]
then
DEFAULT="<none>"
fi
OP="${OP}=[${DEFAULT}]"
printf " --%-30s %s\n" "$OP" "$DOC"
fi
}
opt() {
BOOL_OPTIONS="$BOOL_OPTIONS $1"
local OP=$1
local DEFAULT=$2
shift
shift
local DOC="$*"
local FLAG=""
if [ $DEFAULT -eq 0 ]
then
FLAG="enable"
else
FLAG="disable"
DOC="don't $DOC"
fi
if [ $HELP -eq 0 ]
then
for arg in $CFG_ARGS
do
if [ "$arg" = "--${FLAG}-${OP}" ]
then
OP=$(echo $OP | tr 'a-z-' 'A-Z_')
FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
local V="CFG_${FLAG}_${OP}"
eval $V=1
putvar $V
fi
done
else
if [ ! -z "$META" ]
then
OP="$OP=<$META>"
fi
printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
fi
}
flag() {
BOOL_OPTIONS="$BOOL_OPTIONS $1"
local OP=$1
shift
local DOC="$*"
if [ $HELP -eq 0 ]
then
for arg in $CFG_ARGS
do
if [ "$arg" = "--${OP}" ]
then
OP=$(echo $OP | tr 'a-z-' 'A-Z_')
local V="CFG_${OP}"
eval $V=1
putvar $V
fi
done
else
if [ ! -z "$META" ]
then
OP="$OP=<$META>"
fi
printf " --%-30s %s\n" "$OP" "$DOC"
fi
}
validate_opt () {
for arg in $CFG_ARGS
do
isArgValid=0
for option in $BOOL_OPTIONS
do
if test --disable-$option = $arg
then
isArgValid=1
fi
if test --enable-$option = $arg
then
isArgValid=1
fi
if test --$option = $arg
then
isArgValid=1
fi
done
for option in $VAL_OPTIONS
do
if echo "$arg" | grep -q -- "--$option="
then
isArgValid=1
fi
done
if [ "$arg" = "--help" ]
then
echo
echo "No more help available for Configure options,"
echo "check the Wiki or join our IRC channel"
break
else
if test $isArgValid -eq 0
then
err "Option '$arg' is not recognized"
fi
fi
done
}
msg "looking for install programs"
msg
need_cmd sed
need_cmd chmod
need_cmd cat
CFG_SRC_DIR="$(cd $(dirname $0) && pwd)"
CFG_SELF="$0"
CFG_ARGS="$@"
HELP=0
if [ "$1" = "--help" ]
then
HELP=1
shift
echo
echo "Usage: $CFG_SELF [options]"
echo
echo "Options:"
echo
else
step_msg "processing $CFG_SELF args"
fi
valopt product-name "Product" "The name of the product, for display"
valopt verify-bin "program" "The command to run with --version to verify the install works"
valopt rel-manifest-dir "${CFG_VERIFY_BIN}lib" "The directory under lib/ where the manifest lives"
valopt success-message "Installed." "The string to print after successful installation"
valopt output-script "${CFG_SRC_DIR}/install.sh" "The name of the output script"
if [ $HELP -eq 1 ]
then
echo
exit 0
fi
step_msg "validating $CFG_SELF args"
validate_opt
# Replace dashes in the success message with spaces (our arg handling botches spaces)
CFG_SUCCESS_MESSAGE=`echo "$CFG_SUCCESS_MESSAGE" | sed "s/-/ /g"`
SCRIPT_TEMPLATE=`cat "${CFG_SRC_DIR}/install-template.sh"`
# Using /bin/echo because under sh emulation dash *seems* to escape \n, which screws up the template
SCRIPT=`/bin/echo "${SCRIPT_TEMPLATE}"`
SCRIPT=`/bin/echo "${SCRIPT}" | sed "s/%%TEMPLATE_PRODUCT_NAME%%/${CFG_PRODUCT_NAME}/"`
SCRIPT=`/bin/echo "${SCRIPT}" | sed "s/%%TEMPLATE_VERIFY_BIN%%/${CFG_VERIFY_BIN}/"`
SCRIPT=`/bin/echo "${SCRIPT}" | sed "s/%%TEMPLATE_REL_MANIFEST_DIR%%/${CFG_REL_MANIFEST_DIR}/"`
SCRIPT=`/bin/echo "${SCRIPT}" | sed "s/%%TEMPLATE_SUCCESS_MESSAGE%%/\"${CFG_SUCCESS_MESSAGE}\"/"`
/bin/echo "${SCRIPT}" > "${CFG_OUTPUT_SCRIPT}"
need_ok "couldn't write script"
chmod u+x "${CFG_OUTPUT_SCRIPT}"
need_ok "couldn't chmod script"
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