@echo off

set LEIN_VERSION=2.0.0-SNAPSHOT

setLocal EnableExtensions EnableDelayedExpansion

if "%LEIN_VERSION:~-9%" == "-SNAPSHOT" (
    set SNAPSHOT=YES
) else (
    set SNAPSHOT=NO
)

set ORIGINAL_PWD=%CD%
:: If ORIGINAL_PWD ends with a backslash (such as C:\),
:: we need to escape it with a second backslash.
if "%ORIGINAL_PWD:~-1%x" == "\x" set "ORIGINAL_PWD=%ORIGINAL_PWD%\"

call :FIND_DIR_CONTAINING_UPWARDS project.clj
if "%DIR_CONTAINING%" neq "" cd "%DIR_CONTAINING%"

:: LEIN_JAR and LEIN_HOME variables can be set manually.

if "x%LEIN_HOME%" == "x" (
    set LEIN_HOME=%USERPROFILE%\.lein
)

if "x%LEIN_JAR%" == "x" set LEIN_JAR=!LEIN_HOME!\self-installs\leiningen-!LEIN_VERSION!-standalone.jar

if "%1" == "self-install" goto SELF_INSTALL
if "%1" == "upgrade"      goto NO_UPGRADE

if exist "%~dp0..\src\leiningen\version.clj" (
    :: Running from source checkout.
    call :SET_LEIN_ROOT "%~dp0.."

    set LEIN_LIBS=
    for %%j in ("!LEIN_ROOT!\leiningen-core\lib\*") do set LEIN_LIBS=!LEIN_LIBS!%%~fj;
    set LEIN_LIBS=!LEIN_LIBS!

    if "x!LEIN_LIBS!" == "x" goto NO_DEPENDENCIES

    set CLASSPATH=!LEIN_LIBS!!LEIN_ROOT!\leiningen-core\src;!LEIN_ROOT!\leiningen-core\resources;!LEIN_ROOT!\leiningen-core\test;!LEIN_ROOT!\src;!LEIN_ROOT!\resources

    :: Apply context specific CLASSPATH entries
    if exist "%~dp0..\.lein-classpath" (
        for /f %%i in (%~dp0...lein-classpath) do set CONTEXT_CP=%%i 

        if NOT "x!CONTEXT_CP!"=="x" (
            set CLASSPATH=!CONTEXT_CP!;!CLASSPATH!
        )
    )
) else (
    :: Not running from a checkout.
    if not exist "%LEIN_JAR%" goto NO_LEIN_JAR
    set CLASSPATH=%LEIN_JAR%
)

if not "x%DEBUG%" == "x" echo CLASSPATH=!CLASSPATH!
:: ##################################################


if "x%JAVA_CMD%" == "x" set JAVA_CMD="java"
if "x%JVM_OPTS%" == "x" set JVM_OPTS=%JAVA_OPTS%
goto RUN


:NO_LEIN_JAR
echo.
echo %LEIN_JAR% can not be found.
echo You can try running "lein self-install"
echo or change LEIN_JAR environment variable
echo or edit lein.bat to set appropriate LEIN_JAR path.
echo.
goto EOF

:NO_DEPENDENCIES
echo.
echo Leiningen is missing its dependencies.
echo Please see "Building" in the README.
echo.
goto EOF

:SELF_INSTALL
if exist "%LEIN_JAR%" (
    echo %LEIN_JAR% already exists. Delete and retry.
    goto EOF
)

for %%f in ("%LEIN_JAR%") do set LEIN_INSTALL_DIR="%%~dpf"
if not exist %LEIN_INSTALL_DIR% mkdir %LEIN_INSTALL_DIR%

echo Downloading Leiningen now...

set HTTP_CLIENT=wget --no-check-certificate -O
wget>nul 2>&1
if ERRORLEVEL 9009 (
    curl>nul 2>&1
    if ERRORLEVEL 9009 goto NO_HTTP_CLIENT
    set HTTP_CLIENT=curl --insecure -f -L -o
)
:: set LEIN_JAR_URL=https://github.com/downloads/technomancy/leiningen/leiningen-%LEIN_VERSION%-standalone.jar
set LEIN_JAR_URL=https://cloud.github.com/downloads/technomancy/leiningen/leiningen-%LEIN_VERSION%-standalone.jar
%HTTP_CLIENT% "%LEIN_JAR%" %LEIN_JAR_URL%
if ERRORLEVEL 1 (
    del %LEIN_JAR%>nul 2>&1
    goto DOWNLOAD_FAILED
)
goto EOF

:DOWNLOAD_FAILED
echo.
echo Failed to download %LEIN_JAR_URL%
if %SNAPSHOT% == YES echo See README.md for SNAPSHOT build instructions.
echo.
goto EOF

:NO_HTTP_CLIENT
echo.
echo ERROR: Wget/Curl not found. Make sure at least either of Wget and Curl is
echo        installed and is in PATH. You can get them from URLs below:
echo.
echo Wget: "http://users.ugent.be/~bpuype/wget/"
echo Curl: "http://curl.haxx.se/dlwiz/?type=bin&os=Win32&flav=-&ver=2000/XP"
echo.
goto EOF

:NO_UPGRADE
echo.
echo Upgrade feature is not available on Windows. Please edit the value of
echo variable LEIN_VERSION in file %~f0
echo then run "lein self-install".
echo.
goto EOF


:SET_LEIN_ROOT
set LEIN_ROOT=%~f1
goto EOF

:: Find directory containing filename supplied in first argument
:: looking in current directory, and looking up the parent
:: chain until we find it, or run out
:: returns result in %DIR_CONTAINING%
:: empty string if we don't find it
:FIND_DIR_CONTAINING_UPWARDS
set DIR_CONTAINING=%CD%
set LAST_DIR=

:LOOK_AGAIN
if "%DIR_CONTAINING%" == "%LAST_DIR%" (
    :: didn't find it
    set DIR_CONTAINING=
    goto EOF
)

if EXIST "%DIR_CONTAINING%\%1" (
    :: found it - use result in DIR_CONTAINING
    goto EOF
)

set LAST_DIR=%DIR_CONTAINING%
call :GET_PARENT_PATH "%DIR_CONTAINING%\.."
set DIR_CONTAINING=%PARENT_PATH%
goto LOOK_AGAIN

:GET_PARENT_PATH
set PARENT_PATH=%~f1
goto EOF


:RUN
:: We need to disable delayed expansion here because the %* variable
:: may contain bangs (as in test!). There may also be special
:: characters inside the TRAMPOLINE_FILE.
setLocal DisableDelayedExpansion

if "%1" == "trampoline" (goto RUN_TRAMPOLINE) else (goto RUN_NORMAL)

:RUN_TRAMPOLINE
set "TRAMPOLINE_FILE=%TEMP%\lein-trampoline-%RANDOM%.bat"
%JAVA_CMD% -client %LEIN_JVM_OPTS% ^
 -Dleiningen.original.pwd="%ORIGINAL_PWD%" ^
 -Dleiningen.trampoline-file="%TRAMPOLINE_FILE%" ^
 -cp "%CLASSPATH%" clojure.main -e "(use 'leiningen.core.main)(apply -main (map str '(%*)))"

if not exist "%TRAMPOLINE_FILE%" goto EOF
call "%TRAMPOLINE_FILE%"
del "%TRAMPOLINE_FILE%"
goto EOF

:RUN_NORMAL
%JAVA_CMD% -client %LEIN_JVM_OPTS% ^
 -Dleiningen.original.pwd="%ORIGINAL_PWD%" ^
 -cp "%CLASSPATH%" clojure.main -m leiningen.core.main %*

:EOF