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Minor proposal

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Darío Hereñú 2018-01-27 20:20:45 -03:00 committed by GitHub
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docs/External-Commands.md
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@ -16,7 +16,7 @@ In both cases, the command file should be executable (`chmod +x`) and live somew
### Ruby commands ### Ruby commands
An external command `extcmd` implemented as a Ruby command should be named `brew-extcmd.rb`. The command is executed by doing a `require` on the full pathname. As the command is `require`d, it has full access to the Homebrew "environment", i.e. all global variables and modules that any internal command has access to. An external command `extcmd` implemented as a Ruby command should be named `brew-extcmd.rb`. The command is executed by doing a `require` on the full pathname. As the command is `require`d, it has full access to the Homebrew "environment", i.e. all global variables and modules that any internal command has access to.
The command may `Kernel.exit` with a status code if it needs to; if it doesn't explicitly exit then Homebrew will return 0. The command may `Kernel.exit` with a status code if it needs to; if it doesn't explicitly exit then Homebrew will return `0`.
### Shell scripts ### Shell scripts
A shell script for a command named `extcmd` should be named `brew-extcmd`. This file will be run via `exec` with some Homebrew variables set as environment variables, and passed any additional command-line arguments. A shell script for a command named `extcmd` should be named `brew-extcmd`. This file will be run via `exec` with some Homebrew variables set as environment variables, and passed any additional command-line arguments.