Note: If you're using Emacs version 29 or higher, installing this package is not necessary, as the Flymake-Shellcheck integration is now built-in into the editor. This project is now in maintenance mode; no new features or enhancements will be made for it, unless they are required for security reasons.
An Emacs (26+) Flymake handler for bash/sh scripts, using ShellCheck. Installing Flymake is not necessary as it is included with Emacs itself.
First, make sure ShellCheck is installed by following the installation guide. After that, you can install flymake-shellcheck by using the package-install command (make sure MELPA is included in your package sources):
M-x package-install RET flymake-shellcheck RET
Alternatively, you can just add flymake-shellcheck.el to your load-path.
To enable the Flymake backend whenever a bash or sh script is visited, add the following to your init.el file:
(add-hook 'sh-mode-hook 'flymake-shellcheck-load)
If you're using use-package, try this instead:
(use-package flymake-shellcheck :commands flymake-shellcheck-load :init (add-hook 'sh-mode-hook 'flymake-shellcheck-load))
After opening a shell/sh file, remember to enable Flymake:
M-x flymake-mode RET
flymake-shellcheck-program variable to the path of the ShellCheck executable in your system, in case executable-find wasn't able to find it automatically.flymake-shellcheck-use-file variable to nil if you wish to run the syntax checker on the contents of the buffer, rather than the contents of the file on disk (default: t).flymake-shellcheck-allow-external-files variable to t if you want to allow shellcheck to read external sources (it adds -x as argument, described in the SC1091 docs, default: nil).Distributed under the GNU General Public License, version 3.
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