detect gnu sed on any system

[jkroepke]

Fixes #71

[github-actions]

sh-checker report

shellcheck output

No errors or shellcheck is disabled

The files above have some shellcheck issues

shfmt output

--- scripts/drivers/_custom.sh.orig
+++ scripts/drivers/_custom.sh
@@ -1,92 +1,92 @@
 #!/usr/bin/env shv
 
 # MacOS syntax is different for in-place
 # https://unix.stackexchange.com/a/92907/433641
 case $(sed --help 2>&1) in
-    *GNU*) _sed_i() { sed -i "$@"; };;
-    *) _sed_i() { sed -i '' "$@"; };;
+*GNU*) _sed_i() { sed -i "$@"; } ;;
+*) _sed_i() { sed -i '' "$@"; } ;;
 esac
 
 _regex_escape() {
     # This is a function because dealing with quotes is a pain.
     # http://stackoverflow.com/a/2705678/120999
     sed -e 's/[]\/()$*.^|[]/\\&/g'
 }
 
 _custom_driver_is_yaml() {
     false
 }
 
 _custom_driver_get_secret() {
     echo "Please override function '_custom_driver_get_secret' in your driver!" >&2
     exit 1
 }
 
 driver_is_file_encrypted() {
     input="${1}"
 
     grep -q -e "${_DRIVER_REGEX}" "${input}"
 }
 
 driver_encrypt_file() {
     echo "Encrypting files is not supported!"
     exit 1
 }
 
 driver_decrypt_file() {
     type="${1}"
     input="${2}"
     # if omit then output to stdout
     output="${3:-}"
 
     output_yaml="$(mktemp)"
     output_yaml_anchors="$(mktemp)"
 
     # Strip yaml separator
     sed -e '/^---$/d' "${input}" >"${output_yaml}"
 
     # Grab all patterns, deduplicate and pass it to loop
     # https://github.com/koalaman/shellcheck/wiki/SC2013
     if ! grep -o -e "${_DRIVER_REGEX}" "${input}" | sort | uniq | while IFS= read -r EXPRESSION; do
         # remove prefix
         _SECRET="${EXPRESSION#* }"
 
         if ! SECRET=$(_custom_driver_get_secret "${type}" "${_SECRET}"); then
             exit 1
         fi
 
         # generate yaml anchor name
         YAML_ANCHOR=$(printf 'helm-secret-%s' "${_SECRET}" | tr '#$/' '_')
 
         # Replace vault expression with yaml anchor
         EXPRESSION="$(echo "${EXPRESSION}" | _regex_escape)"
         _sed_i "s/${EXPRESSION}/*${YAML_ANCHOR}/g" "${output_yaml}"
 
         if _custom_driver_is_yaml "${type}" "${_SECRET}"; then
             {
                 printf '.%s: &%s\n' "${YAML_ANCHOR}" "${YAML_ANCHOR}"
                 printf '%s\n\n' "${SECRET}" | sed -e 's/^/  /g'
             } >>"${output_yaml_anchors}"
         else
             {
                 printf '.%s: &%s ' "${YAML_ANCHOR}" "${YAML_ANCHOR}"
                 printf '%s\n\n' "${SECRET}"
             } >>"${output_yaml_anchors}"
         fi
     done; then
         # pass exit from pipe/sub shell to main shell
         exit 1
     fi
 
     if [ "${output}" = "" ]; then
         cat "${output_yaml_anchors}" "${output_yaml}"
     else
         cat "${output_yaml_anchors}" "${output_yaml}" >"${output}"
     fi
 }
 
 driver_edit_file() {
     echo "Editing files is not supported!"
     exit 1
 }
 

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[codecov]

Codecov Report

Merging #72 (67fa1a0) into master (02a510c) will not change coverage.
The diff coverage is 66.66%.

@@           Coverage Diff           @@
##           master      #72   +/-   ##
=======================================
  Coverage   89.06%   89.06%           
=======================================
  Files          18       18           
  Lines         503      503           
=======================================
  Hits          448      448           
  Misses         55       55           

Impacted Files	Coverage Δ
scripts/drivers/_custom.sh	69.23% <66.66%> (ø)

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