diff --git a/lib/completely/completions.rb b/lib/completely/completions.rb
index 90d1596..acb4435 100644
--- a/lib/completely/completions.rb
+++ b/lib/completely/completions.rb
@@ -10,7 +10,9 @@ def load(config_path, function_name: nil)
         begin
           data = YAML.load_file config_path, aliases: true
         rescue ArgumentError
+          # :nocov:
           data = YAML.load_file config_path
+          # :nocov:
         end
         
         new data, function_name: function_name
diff --git a/lib/completely/template.erb b/lib/completely/template.erb
index de2c095..9e86632 100644
--- a/lib/completely/template.erb
+++ b/lib/completely/template.erb
@@ -1,11 +1,14 @@
-#!/usr/bin/env bash
+# <%= "#{command} completion".ljust 56 %> -*- shell-script -*-
 
 # This bash completions script was generated by
 # completely (https://github.com/dannyben/completely)
 # Modifying it manually is not recommended
+
 <%= function_name %>() {
-  local cur=${COMP_WORDS[COMP_CWORD]}
-  local comp_line="${COMP_WORDS[@]:1}"
+  local cur comp_line
+  _init_completion -s || return
+  cur=${COMP_WORDS[COMP_CWORD]}
+  comp_line="${COMP_WORDS[@]:1}"
 
   case "$comp_line" in
 % patterns.each do |pattern|
@@ -13,6 +16,7 @@
     '<%= pattern.text_without_prefix %>'*) COMPREPLY=($(compgen <%= pattern.compgen %> -- "$cur")) ;;
 % end
   esac
-}
-
+} &&
 complete -F <%= function_name %> <%= command %>
+
+# ex: filetype=sh
diff --git a/spec/approvals/cli/generated-script b/spec/approvals/cli/generated-script
index 7628bbf..178f7fe 100644
--- a/spec/approvals/cli/generated-script
+++ b/spec/approvals/cli/generated-script
@@ -1,11 +1,14 @@
-#!/usr/bin/env bash
+# mygit completion                                         -*- shell-script -*-
 
 # This bash completions script was generated by
 # completely (https://github.com/dannyben/completely)
 # Modifying it manually is not recommended
+
 _mygit_completions() {
-  local cur=${COMP_WORDS[COMP_CWORD]}
-  local comp_line="${COMP_WORDS[@]:1}"
+  local cur comp_line
+  _init_completion -s || return
+  cur=${COMP_WORDS[COMP_CWORD]}
+  comp_line="${COMP_WORDS[@]:1}"
 
   case "$comp_line" in
     'status'*) COMPREPLY=($(compgen -W "--help --verbose --branch $(git branch 2> /dev/null)" -- "$cur")) ;;
@@ -13,6 +16,7 @@ _mygit_completions() {
     'init'*) COMPREPLY=($(compgen -A directory -W "--bare" -- "$cur")) ;;
     ''*) COMPREPLY=($(compgen -W "--help --version status init commit" -- "$cur")) ;;
   esac
-}
-
+} &&
 complete -F _mygit_completions mygit
+
+# ex: filetype=sh
diff --git a/spec/approvals/cli/generated-script-alt b/spec/approvals/cli/generated-script-alt
index 40946d4..d789da7 100644
--- a/spec/approvals/cli/generated-script-alt
+++ b/spec/approvals/cli/generated-script-alt
@@ -1,11 +1,14 @@
-#!/usr/bin/env bash
+# mygit completion                                         -*- shell-script -*-
 
 # This bash completions script was generated by
 # completely (https://github.com/dannyben/completely)
 # Modifying it manually is not recommended
+
 _mycomps() {
-  local cur=${COMP_WORDS[COMP_CWORD]}
-  local comp_line="${COMP_WORDS[@]:1}"
+  local cur comp_line
+  _init_completion -s || return
+  cur=${COMP_WORDS[COMP_CWORD]}
+  comp_line="${COMP_WORDS[@]:1}"
 
   case "$comp_line" in
     'status'*) COMPREPLY=($(compgen -W "--help --verbose --branch $(git branch 2> /dev/null)" -- "$cur")) ;;
@@ -13,6 +16,7 @@ _mycomps() {
     'init'*) COMPREPLY=($(compgen -A directory -W "--bare" -- "$cur")) ;;
     ''*) COMPREPLY=($(compgen -W "--help --version status init commit" -- "$cur")) ;;
   esac
-}
-
+} &&
 complete -F _mycomps mygit
+
+# ex: filetype=sh
diff --git a/spec/approvals/cli/generated-wrapped-script b/spec/approvals/cli/generated-wrapped-script
index 1dc1da2..304637d 100644
--- a/spec/approvals/cli/generated-wrapped-script
+++ b/spec/approvals/cli/generated-wrapped-script
@@ -1,12 +1,15 @@
 give_comps() {
-  echo $'#!/usr/bin/env bash'
+  echo $'# mygit completion                                         -*- shell-script -*-'
   echo $''
   echo $'# This bash completions script was generated by'
   echo $'# completely (https://github.com/dannyben/completely)'
   echo $'# Modifying it manually is not recommended'
+  echo $''
   echo $'_mygit_completions() {'
-  echo $'  local cur=${COMP_WORDS[COMP_CWORD]}'
-  echo $'  local comp_line="${COMP_WORDS[@]:1}"'
+  echo $'  local cur comp_line'
+  echo $'  _init_completion -s || return'
+  echo $'  cur=${COMP_WORDS[COMP_CWORD]}'
+  echo $'  comp_line="${COMP_WORDS[@]:1}"'
   echo $''
   echo $'  case "$comp_line" in'
   echo $'    \'status\'*) COMPREPLY=($(compgen -W "--help --verbose --branch $(git branch 2> /dev/null)" -- "$cur")) ;;'
@@ -14,7 +17,8 @@ give_comps() {
   echo $'    \'init\'*) COMPREPLY=($(compgen -A directory -W "--bare" -- "$cur")) ;;'
   echo $'    \'\'*) COMPREPLY=($(compgen -W "--help --version status init commit" -- "$cur")) ;;'
   echo $'  esac'
-  echo $'}'
-  echo $''
+  echo $'} &&'
   echo $'complete -F _mygit_completions mygit'
+  echo $''
+  echo $'# ex: filetype=sh'
 }
\ No newline at end of file
diff --git a/spec/approvals/completions/function b/spec/approvals/completions/function
index 179cfa7..9c5ff03 100644
--- a/spec/approvals/completions/function
+++ b/spec/approvals/completions/function
@@ -1,19 +1,23 @@
 send_completions() {
-  echo $'#!/usr/bin/env bash'
+  echo $'# completely completion                                    -*- shell-script -*-'
   echo $''
   echo $'# This bash completions script was generated by'
   echo $'# completely (https://github.com/dannyben/completely)'
   echo $'# Modifying it manually is not recommended'
+  echo $''
   echo $'_completely_completions() {'
-  echo $'  local cur=${COMP_WORDS[COMP_CWORD]}'
-  echo $'  local comp_line="${COMP_WORDS[@]:1}"'
+  echo $'  local cur comp_line'
+  echo $'  _init_completion -s || return'
+  echo $'  cur=${COMP_WORDS[COMP_CWORD]}'
+  echo $'  comp_line="${COMP_WORDS[@]:1}"'
   echo $''
   echo $'  case "$comp_line" in'
   echo $'    \'generate\'*) COMPREPLY=($(compgen -A directory -W "--help --force" -- "$cur")) ;;'
   echo $'    \'init\'*) COMPREPLY=($(compgen -W "--help" -- "$cur")) ;;'
   echo $'    \'\'*) COMPREPLY=($(compgen -W "--help --version init generate" -- "$cur")) ;;'
   echo $'  esac'
-  echo $'}'
-  echo $''
+  echo $'} &&'
   echo $'complete -F _completely_completions completely'
+  echo $''
+  echo $'# ex: filetype=sh'
 }
\ No newline at end of file
diff --git a/spec/approvals/completions/script b/spec/approvals/completions/script
index 2f20403..b12dff4 100644
--- a/spec/approvals/completions/script
+++ b/spec/approvals/completions/script
@@ -1,17 +1,21 @@
-#!/usr/bin/env bash
+# completely completion                                    -*- shell-script -*-
 
 # This bash completions script was generated by
 # completely (https://github.com/dannyben/completely)
 # Modifying it manually is not recommended
+
 _completely_completions() {
-  local cur=${COMP_WORDS[COMP_CWORD]}
-  local comp_line="${COMP_WORDS[@]:1}"
+  local cur comp_line
+  _init_completion -s || return
+  cur=${COMP_WORDS[COMP_CWORD]}
+  comp_line="${COMP_WORDS[@]:1}"
 
   case "$comp_line" in
     'generate'*) COMPREPLY=($(compgen -A directory -W "--help --force" -- "$cur")) ;;
     'init'*) COMPREPLY=($(compgen -W "--help" -- "$cur")) ;;
     ''*) COMPREPLY=($(compgen -W "--help --version init generate" -- "$cur")) ;;
   esac
-}
-
+} &&
 complete -F _completely_completions completely
+
+# ex: filetype=sh
diff --git a/spec/approvals/completions/script-only-spaces b/spec/approvals/completions/script-only-spaces
index 7e03420..213bf5d 100644
--- a/spec/approvals/completions/script-only-spaces
+++ b/spec/approvals/completions/script-only-spaces
@@ -1,16 +1,20 @@
-#!/usr/bin/env bash
+# completely completion                                    -*- shell-script -*-
 
 # This bash completions script was generated by
 # completely (https://github.com/dannyben/completely)
 # Modifying it manually is not recommended
+
 _completely_completions() {
-  local cur=${COMP_WORDS[COMP_CWORD]}
-  local comp_line="${COMP_WORDS[@]:1}"
+  local cur comp_line
+  _init_completion -s || return
+  cur=${COMP_WORDS[COMP_CWORD]}
+  comp_line="${COMP_WORDS[@]:1}"
 
   case "$comp_line" in
     'generate'*) COMPREPLY=($(compgen -A directory -W "--help --force" -- "$cur")) ;;
     'init'*) COMPREPLY=($(compgen -W "--help" -- "$cur")) ;;
   esac
-}
-
+} &&
 complete -F _completely_completions completely
+
+# ex: filetype=sh
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 9900152..d85ca9e 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -25,6 +25,7 @@ def run_completions(fixture:, compline:, cword:)
   File.write "spec/tmp/test.sh", <<~BASH
     #{subject.script}
 
+    source /usr/share/bash-completion/bash_completion
     COMP_WORDS=( #{compline} )
     COMP_CWORD=#{cword}
     _testme