use shfmt for shell script

release.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+# shellcheck disable=SC2016
 
 # script to set the version numbers on all files or generate changelogs for a release
 
@@ -13,7 +14,7 @@ function pre_checks() {
     mdlp_version="${2}"
 }
 
-function show_help(){
+function show_help() {
     printf 'Script to change the version numbers of mangadlp in the build files, or generate release-notes for a release\n'
     printf '\nUsage:\n'
     printf '  ./release.sh <option> <mdlp-version>\n'
@@ -61,10 +62,12 @@ function set_version() {
     fi
     # set docker versions
     if ! set_ver_docker; then
-    printf 'Error\n'; fi
+        printf 'Error\n'
+    fi
     # set pypi versions
     if ! set_ver_pypi; then
-    printf 'Error\n'; fi
+        printf 'Error\n'
+    fi
 }
 
 # create changelog for release
@@ -77,25 +80,24 @@ function get_releasenotes() {
     fi
     awk -v ver="[${mdlp_version}]" \
         '/^## / { if (p) { exit }; if ($2 == ver) { p=1; next } } p && NF' \
-          'CHANGELOG.md' > 'RELEASENOTES.md'
+        'CHANGELOG.md' >'RELEASENOTES.md'
     printf 'Done\n'
 }
 
 # check options
 case "${1}" in
-  '--help'|'-h'|'help')
+'--help' | '-h' | 'help')
     show_help
     ;;
-  '--set-version')
+'--set-version')
     pre_checks "${@}"
     set_version
     ;;
-  '--get-releasenotes')
+'--get-releasenotes')
     pre_checks "${@}"
     get_releasenotes
     ;;
-  *)
+*)
     show_help
     ;;
 esac
-