Add fixes for tfenv/tgenv to terraform-validate and terragrunt-hclfmt

Author: yorinasub17

hooks/terraform-validate.sh

@@ -8,8 +8,8 @@ set -e
 export PATH=$PATH:/usr/local/bin
 
 for dir in $(echo "$@" | xargs -n1 dirname | sort -u | uniq); do
-  pushd "$dir"
+  pushd "$dir" >/dev/null
   terraform init -backend=false "$dir"
   terraform validate "$dir"
-  popd
+  popd >/dev/null
 done

hooks/terragrunt-hclfmt.sh

@@ -8,7 +8,7 @@ set -e
 export PATH=$PATH:/usr/local/bin
 
 for file in "$@"; do
-  pushd "$(dirname "$file")"
-  terragrunt hclfmt --terragrunt-hclfmt-file "$file"
-  popd
+  pushd "$(dirname "$file")" >/dev/null
+  terragrunt hclfmt --terragrunt-hclfmt-file "$(basename "$file")"
+  popd >/dev/null
 done