Add shell linting and tidying and update all shell scripts

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