Update alpine to 3.12.0

runaction

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+cd "$GITHUB_WORKSPACE" || exit 1
+
+declare statuscode
+declare -a filepaths
+declare -a excludes
+declare -a tmp
+
+statuscode=0
+
+excludes+=( ! -path *./.git/* )
+excludes+=( ! -path *.go )
+excludes+=( ! -path */mvnw )
+
+for path in ${INPUT_IGNORE}; do
+    echo "::debug:: Adding '${path}' to excludes"
+    excludes+=(! -path "*./${path}/*" )
+    excludes+=(! -path "*/${path}/*" )
+done
+
+readarray -d '' filepaths < <(find . -type f "${excludes[@]}" \
+    '(' \
+    \
+    -name '*.bash' \
+    -o -path '*/.bash*' \
+    -o -path '*/bash*' \
+    -o -name '*.ksh' \
+    -o -name 'ksh*' \
+    -o -path '*/.ksh*' \
+    -o -path '*/ksh*' \
+    -o -name 'suid_profile' \
+    -o -name '*.zsh' \
+    -o -name '.zlogin*' \
+    -o -name 'zlogin*' \
+    -o -name '.zlogout*' \
+    -o -name 'zlogout*' \
+    -o -name '.zprofile*' \
+    -o -name 'zprofile*' \
+    -o -path '*/.zsh*' \
+    -o -path '*/zsh*' \
+    -o -name '*.sh' \
+    -o -path '*/.profile*' \
+    -o -path '*/.shlib*' \
+    -o -path '*/shlib*' \
+       ')'\
+    \
+    -print0)
+
+
+readarray -d '' tmp < <(find . "${excludes[@]}" -type f ! -name '*.*' -perm /111  -print0)
+for file in "${tmp[@]}"; do
+    head -n1 "$file" | grep -Eqs "^#! */[^ ]*/[abkz]*sh" || continue
+    filepaths+=("$file")
+done
+
+if  find . "${excludes[@]}" -path '*bin/*/*' -type f -perm /111 -print |
+    grep .
+then
+    echo >&2 "::warning:: subdirectories of bin directories are not usable via PATH"
+fi
+
+if  find . "${excludes[@]}" -path '*bin/*' -name '*.*' -type f -perm /111 -perm /444 -print |
+    grep .
+then
+    echo >&2 "::warning:: programs in PATH should not have a filename suffix"
+fi
+
+[[ -n "${INPUT_SEVERITY}" ]] && options+=(-S "${INPUT_SEVERITY}")
+
+if [[ -n "$INPUT_CHECK_TOGETHER" ]]; then
+    echo "::debug:: shellcheck ${options[*]} ${filepaths[*]}"
+    shellcheck "${options[@]}" "${filepaths[@]}" || statuscode=$?
+else
+    echo "::debug:: Shellcheck options: ${options[*]}"
+    for file in "${filepaths[@]}"; do
+        echo "::debug:: Checking $file"
+        shellcheck "${options[@]}" "$file" || statuscode=$?
+    done
+fi
+
+exit "$statuscode"