Enable autoformatting for shell scripts

CONTRIBUTING.md

@@ -21,7 +21,8 @@ If you want, add yourself to the `CONTRIBUTORS` file in your pull request.
 
 For Rust, just use `cargo fmt`. For Python, use
 [black](https://github.com/psf/black). I'd rather not spend any effort in
-configuring the formatters (not possible for black anyway).
+configuring the formatters (not possible for black anyway). For shell scripts,
+use [`shfmt`](https://github.com/mvdan/sh).
 
 ## Tooling
 

Justfile

@@ -14,14 +14,16 @@ clean:
 fmt:
     cargo fmt
     git ls-files | grep '\.py$' | xargs black
+    git ls-files | grep '\.sh$' | xargs -L 1 shfmt --indent 4 --write
 
 fmt-check:
     cargo fmt --check
     git ls-files | grep '\.py$' | xargs black --check
+    git ls-files | grep '\.sh$' | xargs -L 1 shfmt --indent 4 --diff
 
 lint:
     cargo clippy --no-deps -- -Dwarnings
-    find -name '*.sh' | xargs -L 1 shellcheck --norc
+    git ls-files | grep '\.sh$' | xargs -L 1 shellcheck --norc
 
 lint-fix:
     cargo clippy --no-deps --fix

release.sh

@@ -119,7 +119,10 @@ git add Cargo.lock Cargo.toml
 
 git commit -m "Release v${new_version}"
 
-git switch master 2>/dev/null || { [[ -d "../master" ]] && cd "../master" ; } || { printf '%s\n' 'Could not change to master' >&2 ; exit 1 ; }
+git switch master 2>/dev/null || { [[ -d "../master" ]] && cd "../master"; } || {
+    printf '%s\n' 'Could not change to master' >&2
+    exit 1
+}
 
 current_branch="$(git rev-parse --abbrev-ref HEAD)"
 if [[ "${current_branch}" != "master" ]]; then
@@ -136,7 +139,10 @@ for remote in $(git remote) ; do
     done
 done
 
-git switch develop 2>/dev/null || { [[ -d "../develop" ]] && cd "../develop" ; } || { printf '%s\n' 'Could not change to develop' >&2 ; exit 1 ; }
+git switch develop 2>/dev/null || { [[ -d "../develop" ]] && cd "../develop"; } || {
+    printf '%s\n' 'Could not change to develop' >&2
+    exit 1
+}
 
 current_branch="$(git rev-parse --abbrev-ref HEAD)"
 if [[ "${current_branch}" != "develop" ]]; then