diff --git a/do-release.sh b/do-release.sh
index 0180f10..f2c7db6 100755
--- a/do-release.sh
+++ b/do-release.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-cargo release --package precious-helpers $@
-cargo release --package precious-testhelper $@
-cargo release --package precious-core $@
-cargo release --package precious-integration $@
-cargo release --package precious $@
+cargo release --package precious-helpers "$@"
+cargo release --package precious-testhelper "$@"
+cargo release --package precious-core "$@"
+cargo release --package precious-integration "$@"
+cargo release --package precious "$@"
diff --git a/examples/golang/helpers/check-go-mod.sh b/examples/golang/helpers/check-go-mod.sh
index 5f5c00d..76c7dbf 100644
--- a/examples/golang/helpers/check-go-mod.sh
+++ b/examples/golang/helpers/check-go-mod.sh
@@ -2,33 +2,33 @@
 
 set -e
 
-ROOT=$( git rev-parse --show-toplevel )
-BEFORE_MOD=$( md5sum "$ROOT/go.mod" )
-BEFORE_SUM=$( md5sum "$ROOT/go.sum" )
+ROOT=$(git rev-parse --show-toplevel)
+BEFORE_MOD=$(md5sum "$ROOT/go.mod")
+BEFORE_SUM=$(md5sum "$ROOT/go.sum")
 
-OUTPUT=$( go mod tidy -v 2>&1 )
+OUTPUT=$(go mod tidy -v 2>&1)
 
-AFTER_MOD=$( md5sum "$ROOT/go.mod" )
-AFTER_SUM=$( md5sum "$ROOT/go.sum" )
+AFTER_MOD=$(md5sum "$ROOT/go.mod")
+AFTER_SUM=$(md5sum "$ROOT/go.sum")
 
 red=$'\e[1;31m'
 end=$'\e[0m'
 
 if [ "$BEFORE_MOD" != "$AFTER_MOD" ]; then
-    printf "${red}Running go mod tidy changed the contents of go.mod${end}\n"
+    printf "%sRunning go mod tidy changed the contents of go.mod%s\n" "$red" "$end"
     git diff "$ROOT/go.mod"
     changed=1
 fi
 
 if [ "$BEFORE_SUM" != "$AFTER_SUM" ]; then
-    printf "${red}Running go mod tidy changed the contents of go.sum${end}\n"
+    printf "%sRunning go mod tidy changed the contents of go.sum%s\n" "$red" "$end"
     git diff "$ROOT/go.sum"
     changed=1
 fi
 
 if [ -n "$changed" ]; then
     if [ -n "$OUTPUT" ]; then
-        printf "\nOutput from running go mod tidy -v:\n${OUTPUT}\n"
+        printf "\nOutput from running go mod tidy -v:\n%s\n" "$OUTPUT"
     else
         printf "\nThere was no output from running go mod tidy -v\n\n"
     fi
diff --git a/git/hooks/pre-commit.sh b/git/hooks/pre-commit.sh
index 63595ad..9256ae2 100755
--- a/git/hooks/pre-commit.sh
+++ b/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
 
diff --git a/precious.toml b/precious.toml
index 397f86a..bbacef9 100644
--- a/precious.toml
+++ b/precious.toml
@@ -72,6 +72,23 @@ ok-exit-codes = 0
 lint-failure-exit-codes = 1
 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
+labels = ["default", "fast-tidy"]
+
 [commands.typos]
 type = "lint"
 include = "**/*"