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|
:: 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
@"%erl%" %erl_opts% %sys_config% -boot "%boot_script%" %*
@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%" -noshell -eval "io:format(\"~s\", [filename:nativename(code:root_dir())])." -s init stop
@for /f %%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
|
