Created
March 10, 2012 19:33
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paul's sbt script
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#!/usr/bin/env bash --norc | |
# | |
# A more capable sbt runner, coincidentally also called sbt. | |
# Author: Paul Phillips <paulp@typesafe.com> | |
# this seems to cover the bases on OSX, and someone will | |
# have to tell me about the others. | |
get_script_path () { | |
local path="$1" | |
[[ -L "$path" ]] || { echo "$path" ; return; } | |
local target=$(readlink "$path") | |
if [[ "${target:0:1}" == "/" ]]; then | |
echo "$target" | |
else | |
echo "$path/$target" | |
fi | |
} | |
# a ham-fisted attempt to move some memory settings in concert | |
# so they need not be dicked around with individually. | |
get_mem_opts () { | |
local mem=${1:-1536} | |
local perm=$(( $mem / 4 )) | |
# (( $perm > 256 )) || perm=256 | |
(( $perm > 256 )) || perm=512 | |
(( $perm < 1024 )) || perm=1024 | |
local codecache=$(( $perm / 8 )) | |
echo "-Xms${mem}m -Xmx${mem}m -XX:MaxPermSize=${perm}m -XX:ReservedCodeCacheSize=${codecache}m" | |
} | |
die() { | |
echo "Aborting: $@" | |
exit 1 | |
} | |
# Following line added by Toby for JRebel support | |
export JAVA_OPTS="-noverify -javaagent:/Applications/ZeroTurnaround/JRebel/jrebel.jar -Xms256m -Xmx1G $JAVA_OPTS" | |
# todo - make this dynamic | |
declare -r sbt_release_version=0.11.0 | |
unset sbt_rc_version | |
# declare -r sbt_rc_version= | |
declare -r sbt_snapshot_version=0.11.1-SNAPSHOT | |
declare -r sbt_snapshot_baseurl="http://typesafe.artifactoryonline.com/typesafe/ivy-snapshots/org.scala-tools.sbt/sbt-launch/" | |
declare -r default_java_opts="-Dfile.encoding=UTF8" | |
declare -r default_sbt_opts="-XX:+CMSClassUnloadingEnabled" | |
declare -r default_sbt_mem=1536 | |
declare -r noshare_opts="-Dsbt.global.base=project/.sbt -Dsbt.boot.directory=project/.boot -Dsbt.ivy.home=project/.ivy" | |
declare -r sbt_opts_file=".sbtopts" | |
declare -r latest_28="2.8.2" | |
declare -r latest_29="2.9.1" | |
declare -r latest_210="2.10.0-SNAPSHOT" | |
declare -r script_path=$(get_script_path "$BASH_SOURCE") | |
declare -r script_dir="$(dirname $script_path)" | |
declare -r script_name="$(basename $script_path)" | |
declare java_cmd=java | |
declare sbt_mem=$default_sbt_mem | |
declare java_opts="${JAVA_OPTS:-$default_java_opts}" | |
unset sbt_jar sbt_create sbt_version sbt_snapshot | |
unset scala_version | |
unset java_home | |
unset verbose debug | |
# pull -J and -D options to give to java. | |
declare -a residual_args | |
declare -a java_args | |
declare -a sbt_commands | |
build_props_sbt () { | |
if [[ -f project/build.properties ]]; then | |
versionLine=$(grep ^sbt.version project/build.properties) | |
versionString=${versionLine##sbt.version=} | |
echo "$versionString" | |
fi | |
} | |
build_props_scala () { | |
if [[ -f project/build.properties ]]; then | |
versionLine=$(grep ^build.scala.versions project/build.properties) | |
versionString=${versionLine##build.scala.versions=} | |
echo ${versionString%% .*} | |
fi | |
} | |
isSnapshot () { | |
[[ "$sbt_version" = *-SNAPSHOT* ]] | |
} | |
isRC () { | |
[[ "$sbt_version" = *-RC* ]] | |
} | |
execRunner () { | |
# print the arguments one to a line, quoting any containing spaces | |
[[ $verbose || $debug ]] && echo "# Executing command line:" && { | |
for arg; do | |
if printf "%s\n" "$arg" | grep -q ' '; then | |
printf "\"%s\"\n" "$arg" | |
else | |
printf "%s\n" "$arg" | |
fi | |
done | |
echo "" | |
} | |
"$@" | |
} | |
echoerr () { | |
echo 1>&2 "$@" | |
} | |
dlog () { | |
[[ $verbose || $debug ]] && echoerr "$@" | |
} | |
sbtjar_07_url () { | |
echo "http://simple-build-tool.googlecode.com/files/sbt-launch-${1}.jar" | |
} | |
sbtjar_release_url () { | |
echo "http://typesafe.artifactoryonline.com/typesafe/ivy-releases/org.scala-tools.sbt/sbt-launch/$sbt_version/sbt-launch.jar" | |
} | |
sbtjar_snapshot_url () { | |
local ver="$sbt_version" | |
if [[ "$sbt_version" = *-SNAPSHOT ]]; then | |
ver=$(sbt_snapshot_actual_version -SNAPSHOT) | |
echoerr "sbt snapshot is $ver" | |
elif [[ "$sbt_version" = *-SNAPSHOT ]]; then | |
ver=$(sbt_snapshot_actual_version -RC) | |
echoerr "sbt rc is $ver" | |
fi | |
echo "${sbt_snapshot_baseurl}${ver}/sbt-launch.jar" | |
} | |
jar_url () { | |
case $sbt_version in | |
0.7.4*) sbtjar_07_url 0.7.4 ;; | |
0.7.5*) sbtjar_07_url 0.7.5 ;; | |
0.7.7*) sbtjar_07_url 0.7.7 ;; | |
0.7.*) sbtjar_07_url 0.7.7 ;; | |
*-SNAPSHOT*) sbtjar_snapshot_url ;; | |
*-RC*) sbtjar_snapshot_url ;; | |
*) sbtjar_release_url ;; | |
esac | |
} | |
jar_file () { | |
echo "$script_dir/.lib/$1/sbt-launch.jar" | |
} | |
sbt_artifactory_list () { | |
local type="$1" # -RC or -SNAPSHOT | |
local version=${sbt_version%-SNAPSHOT} | |
curl -s --list-only "$sbt_snapshot_baseurl" | \ | |
grep -F $version | \ | |
perl -e 'print reverse <>' | \ | |
perl -pe 's#^<a href="([^"/]+).*#$1#;' | |
} | |
# argument is e.g. 0.11.0-SNAPSHOT | |
# finds the actual version (with the build id) at artifactory | |
sbt_snapshot_actual_version () { | |
for ver in $(sbt_artifactory_list "$1"); do | |
local url="$sbt_snapshot_baseurl$ver/sbt-launch.jar" | |
dlog "Testing $url" | |
curl -s --head "$url" >/dev/null | |
dlog "curl returned: $?" | |
echo "$ver" | |
return | |
done | |
} | |
download_url () { | |
local url="$1" | |
local jar="$2" | |
echo "Downloading sbt launcher $sbt_version:" | |
echo " From $url" | |
echo " To $jar" | |
mkdir -p $(dirname "$jar") && { | |
if which curl >/dev/null; then | |
curl --silent "$url" --output "$jar" | |
elif which wget >/dev/null; then | |
wget --quiet -O "$jar" "$url" | |
fi | |
} && [[ -f "$jar" ]] | |
} | |
acquire_sbt_jar () { | |
if [[ $sbt_snapshot ]]; then | |
sbt_version=$sbt_snapshot_version | |
elif [[ ! $sbt_version ]]; then | |
sbt_version=$sbt_release_version | |
fi | |
sbt_url="$(jar_url)" | |
sbt_jar="$(jar_file $sbt_version)" | |
[[ -f "$sbt_jar" ]] || download_url "$sbt_url" "$sbt_jar" | |
} | |
usage () { | |
cat <<EOM | |
Usage: $script_name [options] | |
-h | -help print this message | |
-v | -verbose this runner is chattier | |
-d | -debug set sbt log level to debug | |
-no-colors disable ANSI color codes | |
-sbt-create start sbt even if current directory contains no sbt project | |
-sbt-dir <path> path to global settings/plugins directory (default: ~/.sbt) | |
-sbt-boot <path> path to shared boot directory (default: ~/.sbt/boot in 0.11 series) | |
-ivy <path> path to local Ivy repository (default: ~/.ivy2) | |
-mem <integer> set memory options (default: $sbt_mem, which is $(get_mem_opts $sbt_mem)) | |
-no-share use all local caches; no sharing | |
# sbt version (default: from project/build.properties if present, else latest release) | |
-sbt-version <version> use the specified version of sbt | |
-sbt-jar <path> use the specified jar as the sbt launcher | |
-sbt-rc use an RC version of sbt | |
-sbt-snapshot use a snapshot version of sbt | |
# scala version (default: latest release) | |
-28 use $latest_28 | |
-29 use $latest_29 | |
-210 use $latest_210 | |
-scala-home <path> use the scala build at the specified directory | |
-scala-version <version> use the specified version of scala | |
# java version (default: java from PATH, currently $(java -version |& grep version)) | |
-java-home <path> alternate JAVA_HOME | |
# jvm options and output control | |
JAVA_OPTS environment variable, if unset uses "$java_opts" | |
SBT_OPTS environment variable, if unset uses "$default_sbt_opts" | |
.sbtopts if this file exists in the sbt root, it is prepended to the runner args | |
-Dkey=val pass -Dkey=val directly to the java runtime | |
-J-X pass option -X directly to the java runtime (-J is stripped) | |
In the case of duplicated or conflicting options, the order above | |
shows precedence: JAVA_OPTS lowest, command line options highest. | |
EOM | |
} | |
addJava () { | |
dlog "[addJava] arg = '$1'" | |
java_args=( "${java_args[@]}" "$1" ) | |
} | |
addSbt () { | |
dlog "[addSbt] arg = '$1'" | |
sbt_commands=( "${sbt_commands[@]}" "$1" ) | |
} | |
addResidual () { | |
dlog "[residual] arg = '$1'" | |
residual_args=( "${residual_args[@]}" "$1" ) | |
} | |
addResolver () { | |
addSbt "set resolvers in ThisBuild += $1" | |
} | |
addSnapshotRepo () { | |
addResolver "ScalaToolsSnapshots" | |
} | |
process_args () | |
{ | |
while [[ $# -gt 0 ]]; do | |
case "$1" in | |
-h|-help) usage; exit 1 ;; | |
-v|-verbose) verbose=1; shift ;; | |
-d|-debug) debug=1; shift ;; | |
# -u|-upgrade) addSbt 'set sbt.version 0.7.7' ; addSbt reload ; shift ;; | |
-ivy) addJava "-Dsbt.ivy.home=$2"; shift 2 ;; | |
-mem) sbt_mem="$2"; shift 2 ;; | |
-no-colors) addJava "-Dsbt.log.noformat=true"; shift ;; | |
-no-share) addJava "$noshare_opts"; shift ;; | |
-sbt-boot) addJava "-Dsbt.boot.directory=$2"; shift 2 ;; | |
-sbt-dir) addJava "-Dsbt.global.base=$2"; shift 2 ;; | |
-debug-inc) addJava "-Dxsbt.inc.debug=true"; shift ;; | |
-sbt-create) sbt_create=true; shift ;; | |
-sbt-rc) [[ -n "$sbt_rc_version" ]] || die "no sbt RC candidate defined."; sbt_version=$sbt_rc_version; shift ;; | |
-sbt-snapshot) addSnapshotRepo ; sbt_version=$sbt_snapshot_version; shift ;; | |
-sbt-jar) sbt_jar="$2"; shift 2 ;; | |
-sbt-version) sbt_version="$2"; shift 2 ;; | |
-scala-version) addSbt "++ $2"; shift 2 ;; | |
-scala-home) addSbt "set scalaHome in ThisBuild := Some(file(\"$2\"))"; shift 2 ;; | |
-java-home) java_cmd="$2/bin/java"; shift 2 ;; | |
-D*) addJava "$1"; shift ;; | |
-J*) addJava "${1:2}"; shift ;; | |
-28) addSbt "++ $latest_28"; shift ;; | |
-29) addSbt "++ $latest_29"; shift ;; | |
-210) addSnapshotRepo ; addSbt "++ $latest_210"; shift ;; | |
*) addResidual "$1"; shift ;; | |
esac | |
done | |
[[ $debug ]] && { | |
case "$sbt_version" in | |
0.7*) addSbt "debug" ;; | |
*) addSbt "set logLevel in Global := Level.Debug" ;; | |
esac | |
} | |
} | |
# if .sbtopts exists, prepend its contents to $@ so it can be processed by this runner | |
[[ -f "$sbt_opts_file" ]] && set -- $(cat "$sbt_opts_file") "$@" | |
# process the combined args, then reset "$@" to the residuals | |
process_args "$@" | |
set -- "${residual_args[@]}" | |
argumentCount=$# | |
# figure out the version | |
[[ "$sbt_version" ]] || sbt_version=$(build_props_sbt) | |
[[ "$sbt_version" = *-SNAPSHOT* || "$sbt_version" = *-RC* ]] && sbt_snapshot=1 | |
[[ -n "$sbt_version" ]] && echo "Detected sbt version $sbt_version" | |
[[ -n "$scala_version" ]] && echo "Detected scala version $scala_version" | |
# no args - alert them there's stuff in here | |
(( $argumentCount > 0 )) || echo "Starting $script_name: invoke with -help for other options" | |
# verify this is an sbt dir or -create was given | |
[[ -f ./build.sbt || -d ./project || -n "$sbt_create" ]] || { | |
cat <<EOM | |
$(pwd) doesn't appear to be an sbt project. | |
If you want to start sbt anyway, run: | |
$0 -sbt-create | |
EOM | |
exit 1 | |
} | |
# pick up completion if present; todo | |
[[ -f .sbt_completion.sh ]] && source .sbt_completion.sh | |
# no jar? download it. | |
[[ -f "$sbt_jar" ]] || acquire_sbt_jar || { | |
# still no jar? uh-oh. | |
echo "Download failed. Obtain the jar manually and place it at $sbt_jar" | |
exit 1 | |
} | |
# since sbt 0.7 doesn't understand iflast | |
(( ${#residual_args[@]} == 0 )) && residual_args=( "shell" ) | |
# run sbt | |
execRunner "$java_cmd" \ | |
${java_opts} \ | |
${SBT_OPTS:-$default_sbt_opts} \ | |
$(get_mem_opts $sbt_mem) \ | |
${java_args[@]} \ | |
-jar "$sbt_jar" \ | |
"${sbt_commands[@]}" \ | |
"${residual_args[@]}" |
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