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34 lines
1.1 KiB
Text
34 lines
1.1 KiB
Text
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#!/bin/bash
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## This script replaces the default "erl" in erts-VSN/bin. This is necessary
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## as escript depends on erl and in turn, erl depends on having access to a
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## bootscript (start.boot). Note that this script is ONLY invoked as a side-effect
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## of running escript -- the embedded node bypasses erl and uses erlexec directly
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## (as it should).
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##
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## Note that this script makes the assumption that there is a start_clean.boot
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## file available in $ROOTDIR/release/VSN.
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# Determine the abspath of where this script is executing from.
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ERTS_BIN_DIR=$(cd ${0%/*} && pwd)
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# Now determine the root directory -- this script runs from erts-VSN/bin,
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# so we simply need to strip off two dirs from the end of the ERTS_BIN_DIR
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# path.
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ROOTDIR=${ERTS_BIN_DIR%/*/*}
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# Parse out release and erts info
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START_ERL=`cat $ROOTDIR/releases/start_erl.data`
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ERTS_VSN=${START_ERL% *}
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APP_VSN=${START_ERL#* }
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BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin
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EMU=beam
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PROGNAME=`echo $0 | sed 's/.*\///'`
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CMD="$BINDIR/erlexec"
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export EMU
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export ROOTDIR
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export BINDIR
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export PROGNAME
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exec $CMD -boot $ROOTDIR/releases/$APP_VSN/start_clean ${1+"$@"}
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