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#!/bin/sh
# Split up service-wrapper-java sh.script.in into a user-editable config
# component that calls the static code, which needs not be modified.
SRCSH="src/bin/sh.script.in"
if [ ! -f "$SRCSH" ]; then echo >&2 "cwd has no $SRCSH"; exit 1; fi
if [ ! -d "$BUILD_DIR" ]; then echo >&2 "BUILD_DIR not a directory, or unset: $BUILD_DIR"; exit 1; fi
WRAPPER_SERVICE="$1"
WRAPPER_CMD="$2"
mk_init_template() {
{
sed -n -e "1,${2}p" "$SRCSH"
cat <<EOF
if [ -f "/etc/default/\$APP_NAME" ]; then
. "/etc/default/\$APP_NAME"
fi
# WRAPPER_PREINIT START
# WRAPPER_PREINIT END
. "$WRAPPER_SERVICE"
EOF
} | sed -e 's|^\(WRAPPER_CMD=\).*|\1"'"$WRAPPER_CMD"'"|g'
}
mk_daemon_sh() {
sed -n -e "1,${1}p" "$SRCSH"
cat <<'EOF'
if [ -z "$WRAPPER_CONF" ]; then
echo >&2 "WRAPPER_CONF not set; abort"
exit 1
fi
EOF
sed -n -e "${2},\$p" "$SRCSH"
}
mk_make_wrapper_init_sh() {
cat <<'EOF2'
#!/bin/sh
# Create an application-specific initscript that runs service-wrapper.
QUIET=false
PREINIT_SH=/dev/null
case "$1" in
-q|--quiet)
QUIET=true
;;
-h|--help)
echo >&2 "Usage: cat <PARAMS> | $0 [-q|--quiet]"
exit 1
esac
if ! $QUIET; then
cat >&2 <<EOF
This script will generate an initscript that runs service-wrapper. I will now
read from STDIN; please input your parameters in the following format:
==== start of input stream ====
APP_NAME
APP_LONG_NAME
APP_DESCRIPTION
NAME1 VALUE1
NAME2 VALUE2
...
NAMEn VALUEn
PREINIT_SHELL_SCRIPT_LINE1
PREINIT_SHELL_SCRIPT_LINE2
...
PREINIT_SHELL_SCRIPT_LINEn
==== end of input stream ====
where:
APP_NAME: short system name of application, e.g. avahi-daemon, apache2
This is used to refer to scripts like /etc/default/APP_NAME
APP_LONG_NAME: long name of application, e.g. Apache Web Server
This is used to refer to the application in messages for the end user.
APP_DESCRIPTION: longer description for your application
This serves as documentation for the end user.
NAMEn VALUEn: optional name-value pairs that set application-specific defaults
for service-wrapper variables. At run-time, these may be overridden by user
settings in /etc/default/APP_NAME. Note: a space separates NAME VALUE, not
an equals sign (=). Also, currently VALUE cannot contain "|".
PREINIT_SHELL_SCRIPTn: at run-time, these commands will be run after the script
sources /etc/default/APP_NAME, to do further processing on any variables set.
Please enter your input; press Ctrl-D when you are done:
EOF
fi
# splice params
SED_ARGS=""
push_sed_expr() { SED_ARGS="$SED_ARGS -e '$1'"; }
read APP_NAME
push_sed_expr "s/@app.name@/$APP_NAME/g"
read APP_LONG_NAME
push_sed_expr "s/@app.long.name@/$APP_LONG_NAME/g"
read APP_DESCRIPTION
push_sed_expr "s/@app.description@/$APP_DESCRIPTION/g"
while read ARG VAL; do
if [ -z "$ARG" ]; then break; fi
push_sed_expr 's|^\s*#\?\s*\('"$ARG"'=\).*|\1"'"$VAL"'"|g'
done
PREINIT_SH="$(tempfile)"
cat - > "$PREINIT_SH"
if ! $QUIET; then set -x; fi
eval sed $SED_ARGS <<'EOF' | sed -e "/WRAPPER_PREINIT START/r$PREINIT_SH"
EOF2
mk_init_template "$1" "$2"
echo EOF
}
sed -n -e '/^#--/=' "$SRCSH" | {
read L1
read L2
mk_daemon_sh $L1 $L2 > "$BUILD_DIR/$(basename $WRAPPER_SERVICE)"
chmod +x "$BUILD_DIR/$(basename $WRAPPER_SERVICE)"
mk_make_wrapper_init_sh $L1 $L2 > "$BUILD_DIR/make-wrapper-init.sh"
chmod +x "$BUILD_DIR/make-wrapper-init.sh"
}
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