Add shell linting and tidying and update all shell scripts

determine-cross-version.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 set -e
 set -x
 set -o pipefail
@@ -5,11 +7,11 @@ set -o pipefail
 VERSION=$1
 
 if [ -z "$VERSION" ]; then
-    JSON=$( curl \
-                --request GET \
-                --header "Authorization: Bearer $GITHUB_TOKEN" \
-                https://api.github.com/repos/cross-rs/cross/releases/latest )
-    VERSION=$( echo "$JSON" | jq -r ".tag_name")
+    JSON=$(curl \
+        --request GET \
+        --header "Authorization: Bearer $GITHUB_TOKEN" \
+        https://api.github.com/repos/cross-rs/cross/releases/latest)
+    VERSION=$(echo "$JSON" | jq -r ".tag_name")
 fi
 
-echo "cross-version=$VERSION" >> $GITHUB_OUTPUT
+echo "cross-version=$VERSION" >>"$GITHUB_OUTPUT"

dev/bin/install-dev-tools.sh

@@ -1,32 +1,37 @@
 #!/bin/bash
 
 set -eo pipefail
+set -x
 
-function run () {
-    echo $1
-    eval $1
+function run() {
+    echo "$1"
+    eval "$1"
 }
 
-function install_tools () {
+function install_tools() {
     curl --silent --location \
-         https://raw.githubusercontent.com/houseabsolute/ubi/master/bootstrap/bootstrap-ubi.sh |
+        https://raw.githubusercontent.com/houseabsolute/ubi/master/bootstrap/bootstrap-ubi.sh |
         sh
-    run "ubi --project houseabsolute/precious --in ~/bin"
-    run "ubi --project houseabsolute/omegasort --in ~/bin"
+    run "ubi --project houseabsolute/precious --in $HOME/bin"
+    run "ubi --project houseabsolute/omegasort --in $HOME/bin"
+    run "ubi --project koalaman/shellcheck --in $HOME/bin"
+    run "ubi --project mvdan/sh --in $HOME/bin --exe shfmt"
+    run "ubi --project crate-ci/typos --in $HOME/bin"
     run "npm install prettier"
-    run "curl -L https://cpanmin.us/ -o ~/bin/cpanm"
-    run "chmod 0755 ~/bin/cpanm"
-    run "~/bin/cpanm --sudo --notest Perl::Tidy"
+    run "curl -L https://cpanmin.us/ -o $HOME/bin/cpanm"
+    run "chmod 0755 $HOME/bin/cpanm"
+    run "$HOME/bin/cpanm --sudo --notest Perl::Tidy"
 }
 
 if [ "$1" == "-v" ]; then
     set -x
 fi
 
-mkdir -p $HOME/bin
+mkdir -p "$HOME"/bin
 
 set +e
-echo ":$PATH:" | grep --extended-regexp ":$HOME/bin:" >& /dev/null
+echo ":$PATH:" | grep --extended-regexp ":$HOME/bin:" >&/dev/null
+# shellcheck disable=SC2181
 if [ "$?" -eq "0" ]; then
     path_has_home_bin=1
 fi
@@ -40,7 +45,7 @@ install_tools
 
 echo "Tools were installed into $HOME/bin."
 if [ -z "$path_has_home_bin" ]; then
-     echo "You should add $HOME/bin to your PATH."
+    echo "You should add $HOME/bin to your PATH."
 fi
 
 exit 0

git/hooks/pre-commit.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+declare -i status
 status=0
 
 PRECIOUS=$(which precious)
@@ -7,8 +8,7 @@ if [[ -z $PRECIOUS ]]; then
     PRECIOUS=./bin/precious
 fi
 
-"$PRECIOUS" lint -s
-if (( $? != 0 )); then
+if ! "$PRECIOUS" lint -s; then
     status+=1
 fi
 

install-cross-nix.sh

@@ -9,7 +9,7 @@ VERSION="$2"
 
 cd "$CROSS_DIR"
 
-if [[ -n "$VERSION" ]] && ! [[ "$VERSION" =~ ^v ]]; then
+if [[ -n $VERSION ]] && ! [[ $VERSION =~ ^v ]]; then
     cargo install cross --git https://github.com/cross-rs/cross --rev "$VERSION"
     mv "$HOME/.cargo/bin/cross" .
     exit 0
@@ -22,6 +22,7 @@ fi
 
 export TARGET=.
 curl --silent --location \
-     https://raw.githubusercontent.com/houseabsolute/ubi/master/bootstrap/bootstrap-ubi.sh |
+    https://raw.githubusercontent.com/houseabsolute/ubi/master/bootstrap/bootstrap-ubi.sh |
     sh
+# shellcheck disable=SC2086
 ./ubi --project cross-rs/cross --matching musl --in . $VERSION_ARGS

precious.toml

@@ -45,3 +45,19 @@ ignore_stderr = [
     "The .+ file is not sorted",
     "The .+ file is not unique",
 ]
+
+[commands.shellcheck]
+type = "lint"
+include = "**/*.sh"
+cmd = "shellcheck"
+ok_exit_codes = 0
+lint_failure_exit_codes = 1
+
+[commands.shfmt]
+type = "both"
+include = "**/*.sh"
+cmd = ["shfmt", "--simplify", "--indent", "4"]
+lint_flags = "--diff"
+tidy_flags = "--write"
+ok_exit_codes = 0
+lint_failure_exit_codes = 1

set-build-command.sh

@@ -1,9 +1,12 @@
+#!/bin/bash
+
 set -e
 set -x
+set -o pipefail
 
 CROSS_DIR="$1"
 if [ -f "$CROSS_DIR/cross" ]; then
-    echo "build-command=$CROSS_DIR/cross" >> $GITHUB_OUTPUT
+    echo "build-command=$CROSS_DIR/cross" >>"$GITHUB_OUTPUT"
 else
-    echo "build-command=cargo" >> $GITHUB_OUTPUT
+    echo "build-command=cargo" >>"$GITHUB_OUTPUT"
 fi

set-cross-compile.sh

@@ -1,12 +1,15 @@
+#!/bin/bash
+
 set -e
 set -x
+set -o pipefail
 
 TARGET="$1"
 
 # On macOS and Windows, we can cross-compile to all possible targets without
 # using cross.
 if uname -a | grep --quiet --extended-regexp -i "darwin|msys|windows"; then
-    echo "needs-cross=false" >> $GITHUB_OUTPUT
+    echo "needs-cross=false" >>"$GITHUB_OUTPUT"
     exit 0
 fi
 
@@ -15,8 +18,8 @@ fi
 # feature. This feature makes it compile openssl itself, which fails without
 # cross.
 if echo "$TARGET" | grep --quiet --extended-regexp -i 'x86_64.+linux-(gnu|musl)'; then
-    echo "needs-cross=false" >> $GITHUB_OUTPUT
+    echo "needs-cross=false" >>"$GITHUB_OUTPUT"
     exit 0
 fi
 
-echo "needs-cross=true" >> $GITHUB_OUTPUT
+echo "needs-cross=true" >>"$GITHUB_OUTPUT"

set-cross-dir.sh

@@ -1,4 +1,7 @@
+#!/bin/bash
+
 set -e
 set -x
+set -o pipefail
 
-echo "cross-dir=$RUNNER_TEMP" >> $GITHUB_OUTPUT
+echo "cross-dir=$RUNNER_TEMP" >>"$GITHUB_OUTPUT"

strip-binary.sh

@@ -1,20 +1,23 @@
+#!/bin/bash
+
 set -e
 set -x
+set -o pipefail
 
 TARGET=$1
 did_strip=""
 
-strip_binary () {
-    if [[ $( uname -s ) =~ "Darwin" ]]; then
+strip_binary() {
+    if [[ $(uname -s) =~ "Darwin" ]]; then
         stripped=$(
-            find "$1" -maxdepth 1 -type f -perm +111 | while read exe; do
+            find "$1" -maxdepth 1 -type f -perm +111 | while read -r exe; do
                 strip "$exe"
                 echo "stripped $exe"
             done
         )
     else
         stripped=$(
-            find "$1" -maxdepth 1 -type f -executable | while read exe; do
+            find "$1" -maxdepth 1 -type f -executable | while read -r exe; do
                 strip "$exe"
                 echo "stripped $exe"
             done