5. Environment files: environment setup

Environment files goals:

• prepare the environment before the start of the application.
• tells toolwrap which binary must be started.

5.1 Files format

env-prepend VARIABLE VALUE
env-append  VARIABLE VALUE
env-set     VARIABLE VALUE

requires    PACKAGE-NAME

env-prepend, env-append and env-set prepends, appends or sets the VALUE to the given environment VARIABLE. requires includes the environment of PACKAGE-NAME to the current environment.

5.2 Special variables

• ${TOOLWRAP_PKG} holds the name of the package (i.e.: hello_world-1.0)
• ${TOOLWRAP_PKGROOT} holds the root path of the package (i.e.:/opt/pkgs/hello_world-1.0/)
• ${TOOLWRAP_TOOL} holds the name of the tool (i.e.: helloworld.sh).

5.3 The __default__ environment file.

This file is used when no specific package environment file is found.

#
# generic environment file
#

# tells toolwrap which binary to execute

env-set TOOLWRAP_BINARY ${TOOLWRAP_PKGROOT}/bin/${TOOLWRAP_TOOL}


# standard environment set up
#
# Note: these variables should always be prepended to to current environment
#
env-prepend  LD_LIBRARY_PATH ${TOOLWRAP_PKGROOT}/lib
env-prepend  PATH            ${TOOLWRAP_PKGROOT}/bin
env-prepend  MANPATH         ${TOOLWRAP_PKGROOT}/man
env-prepend  INFOPATH        ${TOOLWRAP_PKGROOT}/info