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relx

3.26.0
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Release assembler for Erlang/OTP Releases

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relx priv templates bin_windows
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priv/templates/bin_windows 

:: This is a simple start batch file that runs the release in an Erlang shell



:: Set variables that describe the release

@set rel_name={{ rel_name }}

@set rel_vsn={{ rel_vsn }}

@set erts_vsn={{ erts_vsn }}

@set erl_opts={{ erl_opts }}



:: Set the root release directory based on the location of this batch file

@set script_dir=%~dp0

@for %%A in ("%script_dir%\..") do (

  set "release_root_dir=%%~fA"

)

@set "rel_dir=%release_root_dir%\releases\%rel_vsn%"



@call :find_erts_dir

@call :find_sys_config

@call :set_boot_script_var



@set "rootdir=%release_root_dir%"

@set "bindir=%erts_dir%\bin"

@set progname=erl

@set erl=%bindir%\erl



cd %rootdir%



:: Write the erl.ini file

@set erl_ini=%erts_dir%\bin\erl.ini

@set converted_bindir=%bindir:\=\\%

@set converted_rootdir=%rootdir:\=\\%

@echo [erlang] > "%erl_ini%"

@echo Bindir=%converted_bindir% >> "%erl_ini%"

@echo Progname=%progname% >> "%erl_ini%"

@echo Rootdir=%converted_rootdir% >> "%erl_ini%"



:: Start the release in an `erl` shell

@set boot=-boot "%boot_script%" -boot_var RELEASE_DIR "%release_root_dir%"

@"%erl%" %erl_opts% %sys_config% %boot% %*



@goto :eof



:: Find the ERTS dir

:find_erts_dir

@set "erts_dir=%release_root_dir%\erts-%erts_vsn%"

@if exist %erts_dir% (

  goto :set_erts_dir_from_default

) else (

  goto :set_erts_dir_from_erl

)

@goto :eof



:: Set the ERTS dir from the passed in erts_vsn

:set_erts_dir_from_default

@set erts_dir=%erts_dir%

@set root_dir=%release_root_dir%

@goto :eof



:: Set the ERTS dir from erl

:set_erts_dir_from_erl

@for /f "delims=" %%i in ('where erl') do (

  set erl=%%i

)

@set dir_cmd="%erl%" -boot no_dot_erlang -noshell -eval "io:format(\"~s\", [filename:nativename(code:root_dir())])." -s init stop

@for /f "delims=" %%i in ('%%dir_cmd%%') do (

  set erl_root=%%i

)

@set "erts_dir=%erl_root%\erts-%erts_vsn%"

@set rootdir=%erl_root%

@goto :eof



:: Find the sys.config file

:find_sys_config

@set "possible_sys=%rel_dir%\sys.config"

@if exist "%possible_sys%" (

  set sys_config=-config "%possible_sys%"

)

@goto :eof



:: set boot_script variable

:set_boot_script_var

@if exist "%rel_dir%\%rel_name%.boot" (

  set "boot_script=%rel_dir%\%rel_name%"

) else (

  set "boot_script=%rel_dir%\start"

)

@goto :eof