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executable file 312 lines (273 sloc) 10.588 kB
#!/usr/bin/env bash
# Ensure this file is executable via `chmod a+x lein`, then place it
# somewhere on your $PATH, like ~/bin. The rest of Leiningen will be
# installed upon first run into the ~/.lein/self-installs directory.
export LEIN_VERSION="2.2.0-SNAPSHOT"
case $LEIN_VERSION in
*SNAPSHOT) SNAPSHOT="YES" ;;
*) SNAPSHOT="NO" ;;
esac
if [[ "$OSTYPE" == "cygwin" ]] || [[ "$OSTYPE" == "msys" ]]; then
delimiter=";"
else
delimiter=":"
fi
function make_native_path {
# ensure we have native paths
if [[ "$OSTYPE" == "cygwin" && "$1" == /* ]]; then
echo -n "$(cygpath -wp "$1")"
elif [[ "$OSTYPE" == "msys" && "$1" == /* ]]; then
echo -n "$(sh -c "(cd $1 2</dev/null && pwd -W) || echo $1 | sed 's/^\\/\([a-z]\)/\\1:/g'")"
else
echo -n "$1"
fi
}
# usage : add_path PATH_VAR [PATH]...
function add_path {
local path_var="$1"
shift
while [ -n "$1" ];do
# http://bashify.com/?Useful_Techniques:Indirect_Variables:Indirect_Assignment
export ${path_var}="${!path_var}${delimiter}$(make_native_path "$1")"
shift
done
}
if [ `id -u` -eq 0 ] && [ "$LEIN_ROOT" = "" ]; then
echo "WARNING: You're currently running as root; probably by accident."
echo "Press control-C to abort or Enter to continue as root."
echo "Set LEIN_ROOT to disable this warning."
read _
fi
NOT_FOUND=1
ORIGINAL_PWD="$PWD"
while [ ! -r "$PWD/project.clj" ] && [ "$PWD" != "/" ] && [ $NOT_FOUND -ne 0 ]
do
cd ..
if [ "$(dirname "$PWD")" = "/" ]; then
NOT_FOUND=0
cd "$ORIGINAL_PWD"
fi
done
export LEIN_HOME="${LEIN_HOME:-"$HOME/.lein"}"
for f in "$LEIN_HOME/leinrc" ".leinrc"; do
if [ -e "$f" ]; then
source "$f"
fi
done
if [ "$OSTYPE" = "cygwin" ]; then
export LEIN_HOME=`cygpath -w "$LEIN_HOME"`
fi
LEIN_JAR="$LEIN_HOME/self-installs/leiningen-$LEIN_VERSION-standalone.jar"
# normalize $0 on certain BSDs
if [ "$(dirname "$0")" = "." ]; then
SCRIPT="$(which $(basename "$0"))"
else
SCRIPT="$0"
fi
# resolve symlinks to the script itself portably
while [ -h "$SCRIPT" ] ; do
ls=`ls -ld "$SCRIPT"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
SCRIPT="$link"
else
SCRIPT="$(dirname "$SCRIPT"$)/$link"
fi
done
BIN_DIR="$(dirname "$SCRIPT")"
# Try to make the default more sane for :eval-in :classloader.lein
grep -E -q '^\s*:eval-in\s+:classloader\s*$' project.clj 2> /dev/null &&
LEIN_JVM_OPTS="${LEIN_JVM_OPTS:-"-Xms64m -Xmx512m"}"
if [ -r "$BIN_DIR/../src/leiningen/version.clj" ]; then
# Running from source checkout
LEIN_DIR="$(dirname "$BIN_DIR")"
# Need to use lein release to bootstrap the leiningen-core library (for aether)
if [ ! -r "$LEIN_DIR/leiningen-core/.lein-bootstrap" ]; then
echo "Leiningen is missing its dependencies."
echo "Please run \"lein bootstrap\" in the leiningen-core/ directory"
echo "with a stable release of Leiningen. See CONTRIBUTING.md for details."
exit 1
fi
# If project.clj for lein or leiningen-core changes, we must recalculate
LAST_PROJECT_CHECKSUM=$(cat "$LEIN_DIR/.lein-project-checksum" 2> /dev/null)
PROJECT_CHECKSUM=$(sum "$LEIN_DIR/project.clj" "$LEIN_DIR/leiningen-core/project.clj")
if [ "$PROJECT_CHECKSUM" != "$LAST_PROJECT_CHECKSUM" ]; then
if [ -r "$LEIN_DIR/.lein-classpath" ]; then
rm "$LEIN_DIR/.lein-classpath"
fi
fi
# Use bin/lein to calculate its own classpath.
if [ ! -r "$LEIN_DIR/.lein-classpath" ] && [ "$1" != "classpath" ]; then
echo "Recalculating Leiningen's classpath."
ORIG_PWD="$PWD"
cd "$LEIN_DIR"
$0 classpath .lein-classpath
sum "$LEIN_DIR/project.clj" "$LEIN_DIR/leiningen-core/project.clj" > \
.lein-project-checksum
cd "$ORIG_PWD"
fi
mkdir -p "$LEIN_DIR/target/classes"
export LEIN_JVM_OPTS="${LEIN_JVM_OPTS:-"-Xms64m -Xmx256m"} -Dclojure.compile.path=$LEIN_DIR/target/classes"
add_path CLASSPATH "$LEIN_DIR/leiningen-core/src/" "$LEIN_DIR/leiningen-core/resources/" \
"$LEIN_DIR/test:$LEIN_DIR/target/classes" "$LEIN_DIR/src" ":$LEIN_DIR/resources"
if [ -r "$LEIN_DIR/.lein-classpath" ]; then
add_path CLASSPATH "$(cat "$LEIN_DIR/.lein-classpath" 2> /dev/null)"
else
add_path CLASSPATH "$(cat "$LEIN_DIR/leiningen-core/.lein-bootstrap" 2> /dev/null)"
fi
else # Not running from a checkout
add_path CLASSPATH "$LEIN_JAR"
BOOTCLASSPATH="-Xbootclasspath/a:$LEIN_JAR"
if [ ! -r "$LEIN_JAR" -a "$1" != "self-install" ]; then
"$0" self-install
fi
fi
if [ "$HTTP_CLIENT" = "" ]; then
if type -p curl >/dev/null 2>&1; then
if [ "$https_proxy" != "" ]; then
CURL_PROXY="-x $https_proxy"
fi
HTTP_CLIENT="curl $CURL_PROXY -f -L -o"
else
HTTP_CLIENT="wget -O"
fi
fi
function download_failed_message {
echo "Failed to download $1"
echo "It's possible your HTTP client's certificate store does not have the"
echo "correct certificate authority needed. This is often caused by an"
echo "out-of-date version of libssl. Either upgrade it or set HTTP_CLIENT"
echo "to turn off certificate checks:"
echo " export HTTP_CLIENT=\"wget --no-check-certificate -O\" # or"
echo " export HTTP_CLIENT=\"curl --insecure -f -L -o\""
echo "It's also possible that you're behind a firewall haven't yet"
echo "set HTTP_PROXY and HTTPS_PROXY."
}
# TODO: explain what to do when Java is missing
export JAVA_CMD="${JAVA_CMD:-"java"}"
export LEIN_JAVA_CMD="${LEIN_JAVA_CMD:-$JAVA_CMD}"
if [[ "$(basename "$LEIN_JAVA_CMD")" == *drip* ]]; then
export DRIP_INIT="$(printf -- '-e\n(require (quote leiningen.repl))')"
fi
# Support $JAVA_OPTS for backwards-compatibility.
export JVM_OPTS="${JVM_OPTS:-"$JAVA_OPTS"}"
# TODO: investigate http://skife.org/java/unix/2011/06/20/really_executable_jars.html
# If you're packaging this for a package manager (.deb, homebrew, etc)
# you need to remove the self-install and upgrade functionality or see lein-pkg.
if [ "$1" = "self-install" ]; then
if [ -r "$LEIN_JAR" ]; then
echo "The self-install jar already exists at $LEIN_JAR."
echo "If you wish to re-download, delete it and rerun \"$0 self-install\"."
exit 1
fi
echo "Downloading Leiningen to $LEIN_JAR now..."
mkdir -p "$(dirname "$LEIN_JAR")"
LEIN_URL="https://leiningen.s3.amazonaws.com/downloads/leiningen-$LEIN_VERSION-standalone.jar"
$HTTP_CLIENT "$LEIN_JAR.pending" "$LEIN_URL"
if [ $? == 0 ]; then
# TODO: checksum
mv -f "$LEIN_JAR.pending" "$LEIN_JAR"
else
rm "$LEIN_JAR.pending" 2> /dev/null
download_failed_message "$LEIN_URL"
if [ $SNAPSHOT = "YES" ]; then
echo "See CONTRIBUTING.md for SNAPSHOT-specific build instructions."
fi
exit 1
fi
elif [ "$1" = "upgrade" ]; then
if [ "$LEIN_DIR" != "" ]; then
echo "The upgrade task is not meant to be run from a checkout."
exit 1
fi
if [ $SNAPSHOT = "YES" ]; then
echo "The upgrade task is only meant for stable releases."
echo "See the \"Hacking\" section of the README."
exit 1
fi
if [ ! -w "$SCRIPT" ]; then
echo "You do not have permission to upgrade the installation in $SCRIPT"
exit 1
else
TARGET_VERSION="${2:-stable}"
echo "The script at $SCRIPT will be upgraded to the latest $TARGET_VERSION version."
echo -n "Do you want to continue [Y/n]? "
read RESP
case "$RESP" in
y|Y|"")
echo
echo "Upgrading..."
TARGET="/tmp/lein-$$-upgrade"
if [ "$OSTYPE" = "cygwin" ]; then
TARGET=`cygpath -w $TARGET`
fi
LEIN_SCRIPT_URL="https://github.com/technomancy/leiningen/raw/$TARGET_VERSION/bin/lein"
$HTTP_CLIENT "$TARGET" "$LEIN_SCRIPT_URL"
if [ $? == 0 ]; then
mv "$TARGET" "$SCRIPT" \
&& chmod +x "$SCRIPT" \
&& echo && "$SCRIPT" self-install \
&& echo && echo "Now running" `$SCRIPT version`
exit $?
else
download_failed_message "$LEIN_SCRIPT_URL"
fi;;
*)
echo "Aborted."
exit 1;;
esac
fi
else
if [ "$OSTYPE" = "cygwin" ]; then
# When running on Cygwin, use Windows-style paths for java
ORIGINAL_PWD=`cygpath -w "$ORIGINAL_PWD"`
fi
# apply context specific CLASSPATH entries
if [ -f .lein-classpath ]; then
add_path CLASSPATH "$(cat .lein-classpath)"
fi
if [ $DEBUG ]; then
echo "Leiningen's classpath: $CLASSPATH"
fi
if ([ "$LEIN_FAST_TRAMPOLINE" != "" ] || [ -r .lein-fast-trampoline ]) &&
[ -r project.clj ]; then
INPUTS="$@ $(cat project.clj) $LEIN_VERSION $(cat "$LEIN_HOME/profiles.clj")"
INPUT_CHECKSUM=$(echo $INPUTS | shasum - | cut -f 1 -d " ")
# Just don't change :target-path in project.clj, mkay?
TRAMPOLINE_FILE="target/trampolines/$INPUT_CHECKSUM"
else
TRAMPOLINE_FILE="/tmp/lein-trampoline-$$"
trap "rm -f $TRAMPOLINE_FILE" EXIT
fi
if [ "$OSTYPE" = "cygwin" ]; then
TRAMPOLINE_FILE=`cygpath -w $TRAMPOLINE_FILE`
fi
if [ "$INPUT_CHECKSUM" != "" ] && [ -r "$TRAMPOLINE_FILE" ]; then
if [ $DEBUG ]; then
echo "Fast trampoline with $TRAMPOLINE_FILE."
fi
exec sh -c "exec $(cat $TRAMPOLINE_FILE)"
else
export TRAMPOLINE_FILE
"$LEIN_JAVA_CMD" \
-client -XX:+TieredCompilation -XX:TieredStopAtLevel=1 \
"${BOOTCLASSPATH[@]}" \
$LEIN_JVM_OPTS \
-Dfile.encoding=UTF-8 \
-Dmaven.wagon.http.ssl.easy=false \
-Dleiningen.original.pwd="$ORIGINAL_PWD" \
-Dleiningen.script="$SCRIPT" \
-classpath "$CLASSPATH" \
clojure.main -m leiningen.core.main "$@"
EXIT_CODE=$?
if [ -r "$TRAMPOLINE_FILE" ] && [ "$LEIN_TRAMPOLINE_WARMUP" = "" ]; then
TRAMPOLINE="$(cat $TRAMPOLINE_FILE)"
if [ "$INPUT_CHECKSUM" = "" ]; then
rm $TRAMPOLINE_FILE
fi
exec sh -c "exec $TRAMPOLINE"
else
exit $EXIT_CODE
fi
fi
fi
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