423 lines
13 KiB
Bash
Executable file
423 lines
13 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Ensure this file is executable via `chmod a+x lein`, then place it
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# somewhere on your $PATH, like ~/bin. The rest of Leiningen will be
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# installed upon first run into the ~/.lein/self-installs directory.
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function msg {
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echo "$@" 1>&2
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}
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export LEIN_VERSION="2.9.6"
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# Must be sha256sum, will be replaced by bin/release
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export LEIN_CHECKSUM='41c543f73eec4327dc20e60d5d820fc2a9dc772bc671610b9c385d9c4f5970b8'
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case $LEIN_VERSION in
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*SNAPSHOT) SNAPSHOT="YES" ;;
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*) SNAPSHOT="NO" ;;
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esac
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if [[ "$CLASSPATH" != "" ]]; then
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cat <<-'EOS' 1>&2
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WARNING: You have $CLASSPATH set, probably by accident.
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It is strongly recommended to unset this before proceeding.
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EOS
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fi
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if [[ "$OSTYPE" == "cygwin" ]] || [[ "$OSTYPE" == "msys" ]]; then
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delimiter=";"
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else
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delimiter=":"
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fi
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if [[ "$OSTYPE" == "cygwin" ]]; then
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cygwin=true
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else
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cygwin=false
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fi
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function command_not_found {
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msg "Leiningen couldn't find $1 in your \$PATH ($PATH), which is required."
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exit 1
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}
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function make_native_path {
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# ensure we have native paths
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if $cygwin && [[ "$1" == /* ]]; then
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echo -n "$(cygpath -wp "$1")"
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elif [[ "$OSTYPE" == "msys" && "$1" == /?/* ]]; then
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echo -n "$(sh -c "(cd $1 2</dev/null && pwd -W) || echo $1 | sed 's/^\\/\([a-z]\)/\\1:/g'")"
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else
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echo -n "$1"
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fi
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}
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# usage : add_path PATH_VAR [PATH]...
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function add_path {
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local path_var="$1"
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shift
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while [ -n "$1" ];do
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# http://bashify.com/?Useful_Techniques:Indirect_Variables:Indirect_Assignment
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if [[ -z ${!path_var} ]]; then
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export ${path_var}="$(make_native_path "$1")"
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else
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export ${path_var}="${!path_var}${delimiter}$(make_native_path "$1")"
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fi
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shift
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done
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}
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function download_failed_message {
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cat <<-EOS 1>&2
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Failed to download $1 (exit code $2)
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It's possible your HTTP client's certificate store does not have the
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correct certificate authority needed. This is often caused by an
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out-of-date version of libssl. It's also possible that you're behind a
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firewall and haven't set HTTP_PROXY and HTTPS_PROXY.
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EOS
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}
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function checksum_failed_message {
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cat <<-EOS 1>&2
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Failed to properly download $1
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The checksum was mismatched. and we could not verify the downloaded
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file. We expected a sha256 of
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$2 and actually had
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$3.
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We used '$SHASUM_CMD' to verify the downloaded file.
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EOS
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}
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function self_install {
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if [ -r "$LEIN_JAR" ]; then
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cat <<-EOS 1>&2
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The self-install jar already exists at $LEIN_JAR.
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If you wish to re-download, delete it and rerun "$0 self-install".
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EOS
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exit 1
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fi
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msg "Downloading Leiningen to $LEIN_JAR now..."
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mkdir -p "$(dirname "$LEIN_JAR")"
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LEIN_URL="https://github.com/technomancy/leiningen/releases/download/$LEIN_VERSION/leiningen-$LEIN_VERSION-standalone.zip"
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$HTTP_CLIENT "$LEIN_JAR.pending" "$LEIN_URL"
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local exit_code=$?
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if [ $exit_code == 0 ]; then
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printf "$LEIN_CHECKSUM $LEIN_JAR.pending\n" > "$LEIN_JAR.pending.shasum"
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$SHASUM_CMD -c "$LEIN_JAR.pending.shasum"
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if [ $? == 0 ]; then
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mv -f "$LEIN_JAR.pending" "$LEIN_JAR"
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else
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got_sum="$($SHASUM_CMD "$LEIN_JAR.pending" | cut -f 1 -d ' ')"
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checksum_failed_message "$LEIN_URL" "$LEIN_CHECKSUM" "$got_sum"
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rm "$LEIN_JAR.pending" 2> /dev/null
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exit 1
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fi
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else
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rm "$LEIN_JAR.pending" 2> /dev/null
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download_failed_message "$LEIN_URL" "$exit_code"
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exit 1
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fi
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}
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NOT_FOUND=1
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ORIGINAL_PWD="$PWD"
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while [ ! -r "$PWD/project.clj" ] && [ "$PWD" != "/" ] && [ $NOT_FOUND -ne 0 ]
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do
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cd ..
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if [ "$(dirname "$PWD")" = "/" ]; then
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NOT_FOUND=0
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cd "$ORIGINAL_PWD"
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fi
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done
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export LEIN_HOME="${LEIN_HOME:-"$HOME/.lein"}"
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for f in "/etc/leinrc" "$LEIN_HOME/leinrc" ".leinrc"; do
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if [ -e "$f" ]; then
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source "$f"
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fi
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done
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if $cygwin; then
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export LEIN_HOME=$(cygpath -w "$LEIN_HOME")
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fi
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LEIN_JAR="$LEIN_HOME/self-installs/leiningen-$LEIN_VERSION-standalone.jar"
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# normalize $0 on certain BSDs
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if [ "$(dirname "$0")" = "." ]; then
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SCRIPT="$(which "$(basename "$0")")"
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if [ -z "$SCRIPT" ]; then
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SCRIPT="$0"
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fi
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else
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SCRIPT="$0"
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fi
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# resolve symlinks to the script itself portably
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while [ -h "$SCRIPT" ] ; do
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ls=$(ls -ld "$SCRIPT")
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link=$(expr "$ls" : '.*-> \(.*\)$')
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if expr "$link" : '/.*' > /dev/null; then
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SCRIPT="$link"
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else
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SCRIPT="$(dirname "$SCRIPT"$)/$link"
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fi
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done
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BIN_DIR="$(dirname "$SCRIPT")"
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export LEIN_JVM_OPTS="${LEIN_JVM_OPTS-"-Xverify:none -XX:+TieredCompilation -XX:TieredStopAtLevel=1"}"
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# This needs to be defined before we call HTTP_CLIENT below
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if [ "$HTTP_CLIENT" = "" ]; then
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if type -p curl >/dev/null 2>&1; then
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if [ "$https_proxy" != "" ]; then
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CURL_PROXY="-x $https_proxy"
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fi
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HTTP_CLIENT="curl $CURL_PROXY -f -L -o"
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else
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HTTP_CLIENT="wget -O"
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fi
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fi
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# This needs to be defined before we call SHASUM_CMD below
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if [ "$SHASUM_CMD" = "" ]; then
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if type -p sha256sum >/dev/null 2>&1; then
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export SHASUM_CMD="sha256sum"
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elif type -p shasum >/dev/null 2>&1; then
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export SHASUM_CMD="shasum --algorithm 256"
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elif type -p sha256 >/dev/null 2>&1; then
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export SHASUM_CMD="sha256 -q"
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else
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command_not_found sha256sum
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fi
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fi
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# When :eval-in :classloader we need more memory
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grep -E -q '^\s*:eval-in\s+:classloader\s*$' project.clj 2> /dev/null && \
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export LEIN_JVM_OPTS="$LEIN_JVM_OPTS -Xms64m -Xmx512m"
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if [ -r "$BIN_DIR/../src/leiningen/version.clj" ]; then
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# Running from source checkout
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LEIN_DIR="$(cd $(dirname "$BIN_DIR");pwd -P)"
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# Need to use lein release to bootstrap the leiningen-core library (for aether)
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if [ ! -r "$LEIN_DIR/leiningen-core/.lein-bootstrap" ]; then
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cat <<-'EOS' 1>&2
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Leiningen is missing its dependencies.
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Please run "lein bootstrap" in the leiningen-core/ directory
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with a stable release of Leiningen. See CONTRIBUTING.md for details.
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EOS
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exit 1
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fi
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# If project.clj for lein or leiningen-core changes, we must recalculate
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LAST_PROJECT_CHECKSUM=$(cat "$LEIN_DIR/.lein-project-checksum" 2> /dev/null)
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PROJECT_CHECKSUM=$(sum "$LEIN_DIR/project.clj" "$LEIN_DIR/leiningen-core/project.clj")
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if [ "$PROJECT_CHECKSUM" != "$LAST_PROJECT_CHECKSUM" ]; then
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if [ -r "$LEIN_DIR/.lein-classpath" ]; then
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rm "$LEIN_DIR/.lein-classpath"
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fi
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fi
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# Use bin/lein to calculate its own classpath.
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if [ ! -r "$LEIN_DIR/.lein-classpath" ] && [ "$1" != "classpath" ]; then
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msg "Recalculating Leiningen's classpath."
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cd "$LEIN_DIR"
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LEIN_NO_USER_PROFILES=1 "$LEIN_DIR/bin/lein" classpath .lein-classpath
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sum "$LEIN_DIR/project.clj" "$LEIN_DIR/leiningen-core/project.clj" > \
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.lein-project-checksum
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cd -
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fi
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mkdir -p "$LEIN_DIR/target/classes"
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export LEIN_JVM_OPTS="$LEIN_JVM_OPTS -Dclojure.compile.path=$LEIN_DIR/target/classes"
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add_path CLASSPATH "$LEIN_DIR/leiningen-core/src/" "$LEIN_DIR/leiningen-core/resources/" \
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"$LEIN_DIR/test:$LEIN_DIR/target/classes" "$LEIN_DIR/src" ":$LEIN_DIR/resources"
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if [ -r "$LEIN_DIR/.lein-classpath" ]; then
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add_path CLASSPATH "$(cat "$LEIN_DIR/.lein-classpath" 2> /dev/null)"
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else
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add_path CLASSPATH "$(cat "$LEIN_DIR/leiningen-core/.lein-bootstrap" 2> /dev/null)"
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fi
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else # Not running from a checkout
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add_path CLASSPATH "$LEIN_JAR"
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if [ "$LEIN_USE_BOOTCLASSPATH" != "no" ]; then
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LEIN_JVM_OPTS="-Xbootclasspath/a:$LEIN_JAR $LEIN_JVM_OPTS"
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fi
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if [ ! -r "$LEIN_JAR" -a "$1" != "self-install" ]; then
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self_install
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fi
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fi
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if [ ! -x "$JAVA_CMD" ] && ! type -f java >/dev/null
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then
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msg "Leiningen couldn't find 'java' executable, which is required."
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msg "Please either set JAVA_CMD or put java (>=1.6) in your \$PATH ($PATH)."
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exit 1
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fi
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export LEIN_JAVA_CMD="${LEIN_JAVA_CMD:-${JAVA_CMD:-java}}"
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if [[ -z "${DRIP_INIT+x}" && "$(basename "$LEIN_JAVA_CMD")" == *drip* ]]; then
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export DRIP_INIT="$(printf -- '-e\n(require (quote leiningen.repl))')"
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export DRIP_INIT_CLASS="clojure.main"
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fi
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# Support $JAVA_OPTS for backwards-compatibility.
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export JVM_OPTS="${JVM_OPTS:-"$JAVA_OPTS"}"
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# Handle jline issue with cygwin not propagating OSTYPE through java subprocesses: https://github.com/jline/jline2/issues/62
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cygterm=false
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if $cygwin; then
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case "$TERM" in
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rxvt* | xterm* | vt*) cygterm=true ;;
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esac
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fi
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if $cygterm; then
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LEIN_JVM_OPTS="$LEIN_JVM_OPTS -Djline.terminal=jline.UnixTerminal"
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stty -icanon min 1 -echo > /dev/null 2>&1
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fi
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# TODO: investigate http://skife.org/java/unix/2011/06/20/really_executable_jars.html
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# If you're packaging this for a package manager (.deb, homebrew, etc)
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# you need to remove the self-install and upgrade functionality or see lein-pkg.
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if [ "$1" = "self-install" ]; then
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if [ -r "$BIN_DIR/../src/leiningen/version.clj" ]; then
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cat <<-'EOS' 1>&2
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Running self-install from a checkout is not supported.
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See CONTRIBUTING.md for SNAPSHOT-specific build instructions.
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EOS
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exit 1
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fi
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msg "Manual self-install is deprecated; it will run automatically when necessary."
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self_install
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elif [ "$1" = "upgrade" ] || [ "$1" = "downgrade" ]; then
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if [ "$LEIN_DIR" != "" ]; then
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msg "The upgrade task is not meant to be run from a checkout."
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exit 1
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fi
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if [ $SNAPSHOT = "YES" ]; then
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cat <<-'EOS' 1>&2
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The upgrade task is only meant for stable releases.
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See the "Bootstrapping" section of CONTRIBUTING.md.
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EOS
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exit 1
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fi
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if [ ! -w "$SCRIPT" ]; then
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msg "You do not have permission to upgrade the installation in $SCRIPT"
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exit 1
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else
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TARGET_VERSION="${2:-stable}"
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echo "The script at $SCRIPT will be upgraded to the latest $TARGET_VERSION version."
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echo -n "Do you want to continue [Y/n]? "
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read RESP
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case "$RESP" in
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y|Y|"")
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echo
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msg "Upgrading..."
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TARGET="/tmp/lein-${$}-upgrade"
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if $cygwin; then
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TARGET=$(cygpath -w "$TARGET")
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fi
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LEIN_SCRIPT_URL="https://github.com/technomancy/leiningen/raw/$TARGET_VERSION/bin/lein"
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$HTTP_CLIENT "$TARGET" "$LEIN_SCRIPT_URL"
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if [ $? == 0 ]; then
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cmp -s "$TARGET" "$SCRIPT"
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if [ $? == 0 ]; then
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msg "Leiningen is already up-to-date."
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fi
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mv "$TARGET" "$SCRIPT" && chmod +x "$SCRIPT"
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unset CLASSPATH
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exec "$SCRIPT" version
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else
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download_failed_message "$LEIN_SCRIPT_URL"
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fi;;
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*)
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msg "Aborted."
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exit 1;;
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esac
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fi
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else
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if $cygwin; then
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# When running on Cygwin, use Windows-style paths for java
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ORIGINAL_PWD=$(cygpath -w "$ORIGINAL_PWD")
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fi
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# apply context specific CLASSPATH entries
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if [ -f .lein-classpath ]; then
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add_path CLASSPATH "$(cat .lein-classpath)"
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fi
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if [ -n "$DEBUG" ]; then
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msg "Leiningen's classpath: $CLASSPATH"
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fi
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if [ -r .lein-fast-trampoline ]; then
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export LEIN_FAST_TRAMPOLINE='y'
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fi
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if [ "$LEIN_FAST_TRAMPOLINE" != "" ] && [ -r project.clj ]; then
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INPUTS="$* $(cat project.clj) $LEIN_VERSION $(test -f "$LEIN_HOME/profiles.clj" && cat "$LEIN_HOME/profiles.clj") $(test -f profiles.clj && cat profiles.clj)"
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INPUT_CHECKSUM=$(echo "$INPUTS" | $SHASUM_CMD | cut -f 1 -d " ")
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# Just don't change :target-path in project.clj, mkay?
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TRAMPOLINE_FILE="target/trampolines/$INPUT_CHECKSUM"
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else
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if hash mktemp 2>/dev/null; then
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# Check if mktemp is available before using it
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TRAMPOLINE_FILE="$(mktemp /tmp/lein-trampoline-XXXXXXXXXXXXX)"
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else
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TRAMPOLINE_FILE="/tmp/lein-trampoline-$$"
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fi
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trap 'rm -f $TRAMPOLINE_FILE' EXIT
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fi
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if $cygwin; then
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TRAMPOLINE_FILE=$(cygpath -w "$TRAMPOLINE_FILE")
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fi
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if [ "$INPUT_CHECKSUM" != "" ] && [ -r "$TRAMPOLINE_FILE" ]; then
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if [ -n "$DEBUG" ]; then
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msg "Fast trampoline with $TRAMPOLINE_FILE."
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fi
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exec sh -c "exec $(cat "$TRAMPOLINE_FILE")"
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else
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export TRAMPOLINE_FILE
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"$LEIN_JAVA_CMD" \
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-Dfile.encoding=UTF-8 \
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-Dmaven.wagon.http.ssl.easy=false \
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-Dmaven.wagon.rto=10000 \
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$LEIN_JVM_OPTS \
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-Dleiningen.input-checksum="$INPUT_CHECKSUM" \
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-Dleiningen.original.pwd="$ORIGINAL_PWD" \
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-Dleiningen.script="$SCRIPT" \
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-classpath "$CLASSPATH" \
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clojure.main -m leiningen.core.main "$@"
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EXIT_CODE=$?
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if $cygterm ; then
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stty icanon echo > /dev/null 2>&1
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fi
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if [ -r "$TRAMPOLINE_FILE" ] && [ "$LEIN_TRAMPOLINE_WARMUP" = "" ]; then
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TRAMPOLINE="$(cat "$TRAMPOLINE_FILE")"
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if [ "$INPUT_CHECKSUM" = "" ]; then # not using fast trampoline
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rm "$TRAMPOLINE_FILE"
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fi
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if [ "$TRAMPOLINE" = "" ]; then
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exit $EXIT_CODE
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else
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exec sh -c "exec $TRAMPOLINE"
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fi
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else
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exit $EXIT_CODE
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fi
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fi
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fi
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