Admin/java/build_linux

set_vcs now derives prefix from fully qualified procedure / function name

#!/usr/bin/env bash


## diagnostics

PRG="$(basename "$0")"
THIS="$(cd $(dirname "$0"); pwd)"

function usage()
{
  cat <<EOF

Usage: $PRG [VERSION]

  Build hybrid Isabelle component for JDK on x86-linux/x86_64-linux.

  VERSION is 7u4 for 1.7.0_04 etc.
EOF
  exit 1
}

function fail()
{
  echo "$1" >&2
  exit 2
}


## process command line

# args

VERSION=""
[ "$#" -gt 0 ] && { VERSION="$1"; shift; }

[ "$#" -gt 0 ] && usage

case "$VERSION" in
  *u?)
    MAJOR="$(echo "$VERSION" | cut -du -f1)"
    MINOR="0$(echo "$VERSION" | cut -du -f2)"
    ;;
  *u??)
    MAJOR="$(echo "$VERSION" | cut -du -f1)"
    MINOR="$(echo "$VERSION" | cut -du -f2)"
    ;;
  *)
    fail "Bad version identifier: \"$VERSION\""
    ;;
esac

FULL_VERSION="1.${MAJOR}.0_${MINOR}"


## main

DIR="jdk${FULL_VERSION}_x86-linux"
mkdir "$DIR" || fail "Cannot create fresh directory: \"$DIR\""


# README

cat >> "$DIR/README" << EOF
This is JDK $FULL_VERSION for x86-linux and x86_64-linux

See http://www.oracle.com/technetwork/java/javase/downloads/index.html
for the original downloads, which are covered by the Oracle Binary
Code License Agreement for Java SE.
EOF


# settings

mkdir "$DIR/etc"
cat >> "$DIR/etc/settings" << EOF
# -*- shell-script -*- :mode=shellscript:

ISABELLE_JDK_HOME="\$COMPONENT/\${ISABELLE_PLATFORM64:-\$ISABELLE_PLATFORM}"
EOF


# content

tar -C "$DIR" -x -f "jdk-$VERSION-linux-i586.tar.gz" || \
  fail "Bad archive: \"jdk-$VERSION-linux-i586.tar.gz\""
mv "$DIR/jdk$FULL_VERSION" "$DIR/x86-linux"

tar -C "$DIR" -x -f "jdk-$VERSION-linux-x64.tar.gz" || \
  fail "Bad archive: \"jdk-$VERSION-linux-x64.tar.gz\""
mv "$DIR/jdk$FULL_VERSION" "$DIR/x86_64-linux"

(
  cd "$DIR/x86-linux"
  for FILE in $(find . -type f)
  do
    if cmp -s "$FILE" "../x86_64-linux/$FILE"
    then
      ln -f "$FILE" "../x86_64-linux/$FILE"
    fi
  done
)


# create archive

tar -cz -f "${DIR}.tar.gz" "$DIR" && rm -rf "$DIR"