Add beautysh formatter (#170)

CHANGELOG.md

@@ -22,9 +22,12 @@ The format is based on [Keep a Changelog].
   [awk](https://en.wikipedia.org/wiki/AWK) ([#187]).
 * [`asmfmt`](https://github.com/klauspost/asmfmt) for assembly ([#168]).
 * [`astyle`](https://github.com/steinwurf/astyle) for C ([#169]).
+* [`beautysh`](https://github.com/lovesegfault/beautysh) for shell
+  scripts ([#170])
 
 [#168]: https://github.com/radian-software/apheleia/pull/168
 [#169]: https://github.com/radian-software/apheleia/pull/169
+[#170]: https://github.com/radian-software/apheleia/pull/170
 [#174]: https://github.com/radian-software/apheleia/pull/174
 [#182]: https://github.com/radian-software/apheleia/pull/182
 [#187]: https://github.com/radian-software/apheleia/pull/187

apheleia.el

@@ -36,6 +36,10 @@
                          "--options" ".astylerc")))
     (asmfmt . ("asmfmt"))
     (bean-format . ("bean-format"))
+    (beautysh . ("beautysh"
+                 (apheleia-formatters-indent
+                  "--tab" "--indent-size" 'sh-basic-offset)
+                 "-"))
     (black . ("black"
               (when (apheleia-formatters-extension-p "pyi") "--pyi")
               (apheleia-formatters-fill-column "--line-length")

test/formatters/installers/beautysh.bash

@@ -0,0 +1,2 @@
+apt-get install -y python3-pip
+pip3 install beautysh

test/formatters/samplecode/beautysh/in.bash

@@ -0,0 +1 @@
+../shfmt/in.bash

test/formatters/samplecode/beautysh/out.bash

@@ -0,0 +1,2 @@
+function            f(){
+thing;}