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lein
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lein
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#!/usr/bin/env bash
# Ensure this file is executable via `chmod a+x lein`, then place it
# somewhere on your $PATH, like ~/bin. The rest of Leiningen will be
# installed upon first run into the ~/.lein/self-installs directory.
function msg {
echo "$@" 1>&2
}
export LEIN_VERSION="2.9.8"
# Must be sha256sum, will be replaced by bin/release
export LEIN_CHECKSUM='2a0e9114e0d623c748a9ade5d72b54128b31b5ddb13f51b04c533f104bb0c48d'
case $LEIN_VERSION in
*SNAPSHOT) SNAPSHOT="YES" ;;
*) SNAPSHOT="NO" ;;
esac
if [[ "$CLASSPATH" != "" ]]; then
cat <<-'EOS' 1>&2
WARNING: You have $CLASSPATH set, probably by accident.
It is strongly recommended to unset this before proceeding.
EOS
fi
if [[ "$OSTYPE" == "cygwin" ]] || [[ "$OSTYPE" == "msys" ]]; then
delimiter=";"
else
delimiter=":"
fi
if [[ "$OSTYPE" == "cygwin" ]]; then
cygwin=true
else
cygwin=false
fi
function command_not_found {
msg "Leiningen couldn't find $1 in your \$PATH ($PATH), which is required."
exit 1
}
function make_native_path {
# ensure we have native paths
if $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
if [[ -z ${!path_var} ]]; then
export ${path_var}="$(make_native_path "$1")"
else
export ${path_var}="${!path_var}${delimiter}$(make_native_path "$1")"
fi
shift
done
}
function download_failed_message {
cat <<-EOS 1>&2
Failed to download $1 (exit code $2)
It's possible your HTTP client's certificate store does not have the
correct certificate authority needed. This is often caused by an
out-of-date version of libssl. It's also possible that you're behind a
firewall and haven't set HTTP_PROXY and HTTPS_PROXY.
EOS
}
function checksum_failed_message {
cat <<-EOS 1>&2
Failed to properly download $1
The checksum was mismatched. and we could not verify the downloaded
file. We expected a sha256 of
$2 and actually had
$3.
We used '$SHASUM_CMD' to verify the downloaded file.
EOS
}
function self_install {
if [ -r "$LEIN_JAR" ]; then
cat <<-EOS 1>&2
The self-install jar already exists at $LEIN_JAR.
If you wish to re-download, delete it and rerun "$0 self-install".
EOS
exit 1
fi
msg "Downloading Leiningen to $LEIN_JAR now..."
mkdir -p "$(dirname "$LEIN_JAR")"
LEIN_URL="https://github.com/technomancy/leiningen/releases/download/$LEIN_VERSION/leiningen-$LEIN_VERSION-standalone.jar"
$HTTP_CLIENT "$LEIN_JAR.pending" "$LEIN_URL"
local exit_code=$?
if [ $exit_code == 0 ]; then
printf "$LEIN_CHECKSUM $LEIN_JAR.pending\n" > "$LEIN_JAR.pending.shasum"
$SHASUM_CMD -c "$LEIN_JAR.pending.shasum"
if [ $? == 0 ]; then
mv -f "$LEIN_JAR.pending" "$LEIN_JAR"
else
got_sum="$($SHASUM_CMD "$LEIN_JAR.pending" | cut -f 1 -d ' ')"
checksum_failed_message "$LEIN_URL" "$LEIN_CHECKSUM" "$got_sum"
rm "$LEIN_JAR.pending" 2> /dev/null
exit 1
fi
else
rm "$LEIN_JAR.pending" 2> /dev/null
download_failed_message "$LEIN_URL" "$exit_code"
exit 1
fi
}
NOT_FOUND=1
ORIGINAL_PWD="$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 "/etc/leinrc" "$LEIN_HOME/leinrc" ".leinrc"; do
if [ -e "$f" ]; then
source "$f"
fi
done
if $cygwin; then
export LEIN_HOME=$(cygpath -w "$LEIN_HOME")
fi
LEIN_JAR="${LEIN_JAR:-${LEIN_HOME}/self-installs/leiningen-${LEIN_VERSION}-standalone.jar}"
# normalize $0 on certain BSDs
if [ "$(dirname "$0")" = "." ]; then
SCRIPT="$(which "$(basename "$0")")"
if [ -z "$SCRIPT" ]; then
SCRIPT="$0"
fi
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 "$SCRIPT")"
export LEIN_JVM_OPTS="${LEIN_JVM_OPTS-"-XX:+TieredCompilation -XX:TieredStopAtLevel=1"}"
# This needs to be defined before we call HTTP_CLIENT below
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 $CURL_PROXY -f -L -o"
else
HTTP_CLIENT="wget -O"
fi
fi
# This needs to be defined before we call SHASUM_CMD below
if [ "$SHASUM_CMD" = "" ]; then
if type -p sha256sum >/dev/null 2>&1; then
export SHASUM_CMD="sha256sum"
elif type -p shasum >/dev/null 2>&1; then
export SHASUM_CMD="shasum --algorithm 256"
elif type -p sha256 >/dev/null 2>&1; then
export SHASUM_CMD="sha256 -q"
else
command_not_found sha256sum
fi
fi
# When :eval-in :classloader we need more memory
grep -E -q '^\s*:eval-in\s+:classloader\s*$' project.clj 2> /dev/null && \
export LEIN_JVM_OPTS="$LEIN_JVM_OPTS -Xms64m -Xmx512m"
if [ -r "$BIN_DIR/../src/leiningen/version.clj" ]; then
# Running from source checkout
LEIN_DIR="$(cd $(dirname "$BIN_DIR");pwd -P)"
# Need to use lein release to bootstrap the leiningen-core library (for aether)
if [ ! -r "$LEIN_DIR/leiningen-core/.lein-bootstrap" ]; then
cat <<-'EOS' 1>&2
Leiningen is missing its dependencies.
Please run "lein bootstrap" in the leiningen-core/ directory
with a stable release of Leiningen. See CONTRIBUTING.md for details.
EOS
exit 1
fi
# If project.clj for lein or leiningen-core changes, we must recalculate
LAST_PROJECT_CHECKSUM=$(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" ] && [ "$1" != "classpath" ]; then
msg "Recalculating Leiningen's classpath."
cd "$LEIN_DIR"
LEIN_NO_USER_PROFILES=1 "$LEIN_DIR/bin/lein" classpath .lein-classpath
sum "$LEIN_DIR/project.clj" "$LEIN_DIR/leiningen-core/project.clj" > \
.lein-project-checksum
cd -
fi
mkdir -p "$LEIN_DIR/target/classes"
export LEIN_JVM_OPTS="$LEIN_JVM_OPTS -Dclojure.compile.path=$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"
if [ "$LEIN_USE_BOOTCLASSPATH" != "no" ]; then
LEIN_JVM_OPTS="-Xbootclasspath/a:$LEIN_JAR $LEIN_JVM_OPTS"
fi
if [ ! -r "$LEIN_JAR" -a "$1" != "self-install" ]; then
self_install
fi
fi
if [ ! -x "$JAVA_CMD" ] && ! type -f java >/dev/null
then
msg "Leiningen couldn't find 'java' executable, which is required."
msg "Please either set JAVA_CMD or put java (>=1.6) in your \$PATH ($PATH)."
exit 1
fi
export LEIN_JAVA_CMD="${LEIN_JAVA_CMD:-${JAVA_CMD:-java}}"
if [[ -z "${DRIP_INIT+x}" && "$(basename "$LEIN_JAVA_CMD")" == *drip* ]]; then
export DRIP_INIT="$(printf -- '-e\n(require (quote leiningen.repl))')"
export DRIP_INIT_CLASS="clojure.main"
fi
# Support $JAVA_OPTS for backwards-compatibility.
export JVM_OPTS="${JVM_OPTS:-"$JAVA_OPTS"}"
# Handle jline issue with cygwin not propagating OSTYPE through java subprocesses: https://github.com/jline/jline2/issues/62
cygterm=false
if $cygwin; then
case "$TERM" in
rxvt* | xterm* | vt*) cygterm=true ;;
esac
fi
if $cygterm; then
LEIN_JVM_OPTS="$LEIN_JVM_OPTS -Djline.terminal=jline.UnixTerminal"
stty -icanon min 1 -echo > /dev/null 2>&1
fi
# 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 [ "$1" = "self-install" ]; then
if [ -r "$BIN_DIR/../src/leiningen/version.clj" ]; then
cat <<-'EOS' 1>&2
Running self-install from a checkout is not supported.
See CONTRIBUTING.md for SNAPSHOT-specific build instructions.
EOS
exit 1
fi
msg "Manual self-install is deprecated; it will run automatically when necessary."
self_install
elif [ "$1" = "upgrade" ] || [ "$1" = "downgrade" ]; then
if [ "$LEIN_DIR" != "" ]; then
msg "The upgrade task is not meant to be run from a checkout."
exit 1
fi
if [ $SNAPSHOT = "YES" ]; then
cat <<-'EOS' 1>&2
The upgrade task is only meant for stable releases.
See the "Bootstrapping" section of CONTRIBUTING.md.
EOS
exit 1
fi
if [ ! -w "$SCRIPT" ]; then
msg "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
msg "Upgrading..."
TARGET="/tmp/lein-${$}-upgrade"
if $cygwin; then
TARGET=$(cygpath -w "$TARGET")
fi
LEIN_SCRIPT_URL="https://github.com/technomancy/leiningen/raw/$TARGET_VERSION/bin/lein"
$HTTP_CLIENT "$TARGET" "$LEIN_SCRIPT_URL"
if [ $? == 0 ]; then
cmp -s "$TARGET" "$SCRIPT"
if [ $? == 0 ]; then
msg "Leiningen is already up-to-date."
fi
mv "$TARGET" "$SCRIPT" && chmod +x "$SCRIPT"
unset CLASSPATH
exec "$SCRIPT" version
else
download_failed_message "$LEIN_SCRIPT_URL"
fi;;
*)
msg "Aborted."
exit 1;;
esac
fi
else
if $cygwin; then
# When running on Cygwin, use Windows-style paths for java
ORIGINAL_PWD=$(cygpath -w "$ORIGINAL_PWD")
fi
# apply context specific CLASSPATH entries
if [ -f .lein-classpath ]; then
add_path CLASSPATH "$(cat .lein-classpath)"
fi
if [ -n "$DEBUG" ]; then
msg "Leiningen's classpath: $CLASSPATH"
fi
if [ -r .lein-fast-trampoline ]; then
export LEIN_FAST_TRAMPOLINE='y'
fi
if [ "$LEIN_FAST_TRAMPOLINE" != "" ] && [ -r project.clj ]; then
INPUTS="$* $(cat project.clj) $LEIN_VERSION $(test -f "$LEIN_HOME/profiles.clj" && cat "$LEIN_HOME/profiles.clj") $(test -f profiles.clj && cat profiles.clj)"
INPUT_CHECKSUM=$(echo "$INPUTS" | $SHASUM_CMD | cut -f 1 -d " ")
# Just don't change :target-path in project.clj, mkay?
TRAMPOLINE_FILE="target/trampolines/$INPUT_CHECKSUM"
else
if hash mktemp 2>/dev/null; then
# Check if mktemp is available before using it
TRAMPOLINE_FILE="$(mktemp /tmp/lein-trampoline-XXXXXXXXXXXXX)"
else
TRAMPOLINE_FILE="/tmp/lein-trampoline-$$"
fi
trap 'rm -f $TRAMPOLINE_FILE' EXIT
fi
if $cygwin; then
TRAMPOLINE_FILE=$(cygpath -w "$TRAMPOLINE_FILE")
fi
if [ "$INPUT_CHECKSUM" != "" ] && [ -r "$TRAMPOLINE_FILE" ]; then
if [ -n "$DEBUG" ]; then
msg "Fast trampoline with $TRAMPOLINE_FILE."
fi
exec sh -c "exec $(cat "$TRAMPOLINE_FILE")"
else
export TRAMPOLINE_FILE
"$LEIN_JAVA_CMD" \
-Dfile.encoding=UTF-8 \
-Dmaven.wagon.http.ssl.easy=false \
-Dmaven.wagon.rto=10000 \
$LEIN_JVM_OPTS \
-Dleiningen.input-checksum="$INPUT_CHECKSUM" \
-Dleiningen.original.pwd="$ORIGINAL_PWD" \
-Dleiningen.script="$SCRIPT" \
-classpath "$CLASSPATH" \
clojure.main -m leiningen.core.main "$@"
EXIT_CODE=$?
if $cygterm ; then
stty icanon echo > /dev/null 2>&1
fi
if [ -r "$TRAMPOLINE_FILE" ] && [ "$LEIN_TRAMPOLINE_WARMUP" = "" ]; then
TRAMPOLINE="$(cat "$TRAMPOLINE_FILE")"
if [ "$INPUT_CHECKSUM" = "" ]; then # not using fast trampoline
rm "$TRAMPOLINE_FILE"
fi
if [ "$TRAMPOLINE" = "" ]; then
exit $EXIT_CODE
else
exec sh -c "exec $TRAMPOLINE"
fi
else
exit $EXIT_CODE
fi
fi
fi