From c2b58adcbd38cb30b5b61ed69af0a5b813742d2a Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 21 May 2021 08:39:56 -0400
Subject: [PATCH] Switch to a docker based action (#78)

---
 Dockerfile    |  10 ++++
 action.yml    | 132 ++------------------------------------------------
 entrypoint.sh | 127 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 140 insertions(+), 129 deletions(-)
 create mode 100644 Dockerfile
 create mode 100644 entrypoint.sh

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..87250431
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,10 @@
+FROM alpine:3.13.5
+
+LABEL maintainer="Tonye Jack <jtonye@ymail.com>"
+
+RUN apk add bash git openssh grep sed
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/action.yml b/action.yml
index 8c0851dd..75038364 100644
--- a/action.yml
+++ b/action.yml
@@ -18,156 +18,30 @@ inputs:
 outputs:
   added_files:
     description: List of added files.
-    value: ${{ steps.changed_files.outputs.added_files }}
   copied_files:
     description: List of copied files.
-    value: ${{ steps.changed_files.outputs.copied_files }}
   deleted_files:
     description: List of deleted files.
-    value: ${{ steps.changed_files.outputs.deleted_files }}
   modified_files:
     description: List of modified files.
-    value: ${{ steps.changed_files.outputs.modified_files }}
   renamed_files:
     description: List of renamed files.
-    value: ${{ steps.changed_files.outputs.renamed_files }}
   changed_files:
     description: List of changed files.
-    value: ${{ steps.changed_files.outputs.changed_files }}
   unmerged_files:
     description: List of unmerged files.
-    value: ${{ steps.changed_files.outputs.unmerged_files }}
   unknown_files:
     description: List of unknown files.
-    value: ${{ steps.changed_files.outputs.unknown_files }}
   all_changed_files:
     description: List of all changed files.
-    value: ${{ steps.changed_files.outputs.all_changed_files }}
   all_modified_files:
-    description: List of all copied modified and added files
-    value: ${{ steps.changed_files.outputs.all_modified_files }}
+    description: List of all copied modified and added files.
   any_changed:
     description: Return true only when any files provided using the files input have changed.
-    value: ${{ steps.changed_files.outputs.any_changed }}
 
 runs:
-  using: 'composite'
-  steps:
-    - id: changed_files
-      run: |
-        set -e
-        
-        git remote set-url origin "https://${{ inputs.token }}@github.com/${{ github.repository }}"
-
-        export INPUT_FILES="${{ inputs.files }}"
-        export INPUT_SEPARATOR="${{ inputs.separator }}"
-        echo "Getting head sha..."
-        if [[ -z $GITHUB_BASE_REF ]]; then
-          HEAD_SHA=$(git rev-parse HEAD^1 || true)
-        else
-          TARGET_BRANCH=${GITHUB_BASE_REF}
-          git fetch --depth=1 origin "${TARGET_BRANCH}":"${TARGET_BRANCH}"
-          HEAD_SHA=$(git rev-parse "${TARGET_BRANCH}" || true)
-        fi
-        
-        if [[ -z $HEAD_SHA ]]; then
-          echo "::warning::Unable to determine the head sha: $HEAD_SHA."
-          echo "::warning::You seem to be missing `fetch-depth: 0` or `fetch-depth: 2`"
-          exit 1
-        else
-          echo "Using head sha: $HEAD_SHA..."
-
-          if [[ -z "$INPUT_FILES" ]]; then
-            echo "Getting diff..."
-            ADDED=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            COPIED=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            DELETED=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            MODIFIED=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            RENAMED=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            CHANGED=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            UNMERGED=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            UNKNOWN=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            ALL_CHANGED=$(git diff --diff-filter="*ACDMRTUX" --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-            ALL_MODIFIED_FILES=$(git diff --diff-filter="ACM" --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
-          else
-            ADDED_ARRAY=()
-            COPIED_ARRAY=()
-            DELETED_ARRAY=()
-            MODIFIED_ARRAY=()
-            RENAMED_ARRAY=()
-            CHANGED_ARRAY=()
-            UNMERGED_ARRAY=()
-            UNKNOWN_ARRAY=()
-            ALL_CHANGED_ARRAY=()
-            ALL_MODIFIED_FILES_ARRAY=()
-
-            for path in ${INPUT_FILES}
-            do
-              echo "Checking for file changes: \"${path}\"..."
-              IFS=" "
-              ADDED_ARRAY+=($(git diff --diff-filter=A --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              COPIED_ARRAY+=($(git diff --diff-filter=C --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              DELETED_ARRAY+=($(git diff --diff-filter=D --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              MODIFIED_ARRAY+=($(git diff --diff-filter=M --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              RENAMED_ARRAY+=($(git diff --diff-filter=R --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              CHANGED_ARRAY+=($(git diff --diff-filter=T --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              UNMERGED_ARRAY+=($(git diff --diff-filter=U --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              UNKNOWN_ARRAY+=($(git diff --diff-filter=X --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              ALL_CHANGED_ARRAY+=($(git diff --diff-filter="*ACDMRTUX" --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-              ALL_MODIFIED_FILES_ARRAY+=($(git diff --diff-filter="ACM" --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
-            done
-             
-            ADDED=$(echo "${ADDED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            COPIED=$(echo "${COPIED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            DELETED=$(echo "${DELETED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            MODIFIED=$(echo "${MODIFIED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            RENAMED=$(echo "${RENAMED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            CHANGED=$(echo "${CHANGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            UNMERGED=$(echo "${UNMERGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            UNKNOWN=$(echo "${UNKNOWN_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            ALL_CHANGED=$(echo "${ALL_CHANGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-            ALL_MODIFIED_FILES=$(echo "${ALL_MODIFIED_FILES_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
-          fi
-        fi
-
-        echo "Added files: $ADDED"
-        echo "Copied files: $COPIED"
-        echo "Deleted files: $DELETED"
-        echo "Modified files: $MODIFIED"
-        echo "Renamed files: $RENAMED"
-        echo "Changed files: $CHANGED"
-        echo "Unmerged files: $UNMERGED"
-        echo "Unknown files: $UNKNOWN"
-        echo "All changed files: $ALL_CHANGED"
-        echo "All modified files: $ALL_MODIFIED_FILES"
-
-        if [[ -n "$INPUT_FILES" ]]; then
-          # shellcheck disable=SC2001
-          ALL_INPUT_FILES=$(echo "$INPUT_FILES" | tr "\n" " " | xargs)
-          
-          echo "Input files: ${ALL_INPUT_FILES[@]}"
-          echo "Matching modified files: ${ALL_MODIFIED_FILES[@]}"
-
-          if [[ -n "$ALL_MODIFIED_FILES" ]]; then
-            echo "::set-output name=any_changed::true"
-          else
-            echo "::set-output name=any_changed::false"
-          fi
-        fi
-
-        echo "::set-output name=added_files::$ADDED"
-        echo "::set-output name=copied_files::$COPIED"
-        echo "::set-output name=deleted_files::$DELETED"
-        echo "::set-output name=modified_files::$MODIFIED"
-        echo "::set-output name=renamed_files::$RENAMED"
-        echo "::set-output name=changed_files::$CHANGED"
-        echo "::set-output name=unmerged_files::$UNMERGED"
-        echo "::set-output name=unknown_files::$UNKNOWN"
-        echo "::set-output name=all_changed_files::$ALL_CHANGED"
-        echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
-        unset INPUT_FILES
-        unset INPUT_SEPARATOR
-      shell: bash
+  using: 'docker'
+  image: 'Dockerfile'
 
 branding:
   icon: file-text
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 00000000..161a3817
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,127 @@
+#!/usr/bin/env bash
+
+set -e
+
+git remote set-url origin "https://${INPUT_TOKEN}@github.com/${GITHUB_REPOSITORY}"
+
+echo "Getting head sha..."
+
+if [[ -z $GITHUB_BASE_REF ]]; then
+  HEAD_SHA=$(git rev-parse HEAD^1 || true)
+else
+  TARGET_BRANCH=${GITHUB_BASE_REF}
+  git fetch --depth=1 origin "${TARGET_BRANCH}":"${TARGET_BRANCH}"
+  HEAD_SHA=$(git rev-parse "${TARGET_BRANCH}" || true)
+fi
+
+if [[ -z $HEAD_SHA ]]; then
+  echo "::warning::Unable to determine the head sha: $HEAD_SHA."
+  echo "::warning::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'"
+  exit 1
+else
+  echo "Using head sha: $HEAD_SHA..."
+  if [[ -z "$INPUT_FILES" ]]; then
+    echo "Getting diff..."
+    ADDED=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    COPIED=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    DELETED=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    MODIFIED=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    RENAMED=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    CHANGED=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    UNMERGED=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    UNKNOWN=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    ALL_CHANGED=$(git diff --diff-filter="*ACDMRTUX" --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+    ALL_MODIFIED_FILES=$(git diff --diff-filter="ACM" --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+  else
+    ADDED_ARRAY=()
+    COPIED_ARRAY=()
+    DELETED_ARRAY=()
+    MODIFIED_ARRAY=()
+    RENAMED_ARRAY=()
+    CHANGED_ARRAY=()
+    UNMERGED_ARRAY=()
+    UNKNOWN_ARRAY=()
+    ALL_CHANGED_ARRAY=()
+    ALL_MODIFIED_FILES_ARRAY=()
+    for path in ${INPUT_FILES}
+    do
+      echo "Checking for file changes: \"${path}\"..."
+      IFS=" "
+      # shellcheck disable=SC2207
+      ADDED_ARRAY+=($(git diff --diff-filter=A --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      COPIED_ARRAY+=($(git diff --diff-filter=C --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      DELETED_ARRAY+=($(git diff --diff-filter=D --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      MODIFIED_ARRAY+=($(git diff --diff-filter=M --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      RENAMED_ARRAY+=($(git diff --diff-filter=R --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      CHANGED_ARRAY+=($(git diff --diff-filter=T --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      UNMERGED_ARRAY+=($(git diff --diff-filter=U --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      UNKNOWN_ARRAY+=($(git diff --diff-filter=X --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      ALL_CHANGED_ARRAY+=($(git diff --diff-filter="*ACDMRTUX" --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+      # shellcheck disable=SC2207
+      ALL_MODIFIED_FILES_ARRAY+=($(git diff --diff-filter="ACM" --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs || true))
+    done
+
+    # shellcheck disable=SC2001
+    ADDED=$(echo "${ADDED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    COPIED=$(echo "${COPIED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    DELETED=$(echo "${DELETED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    MODIFIED=$(echo "${MODIFIED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    RENAMED=$(echo "${RENAMED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    CHANGED=$(echo "${CHANGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    UNMERGED=$(echo "${UNMERGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    UNKNOWN=$(echo "${UNKNOWN_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    ALL_CHANGED=$(echo "${ALL_CHANGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+    # shellcheck disable=SC2001
+    ALL_MODIFIED_FILES=$(echo "${ALL_MODIFIED_FILES_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g')
+  fi
+fi
+echo "Added files: $ADDED"
+echo "Copied files: $COPIED"
+echo "Deleted files: $DELETED"
+echo "Modified files: $MODIFIED"
+echo "Renamed files: $RENAMED"
+echo "Changed files: $CHANGED"
+echo "Unmerged files: $UNMERGED"
+echo "Unknown files: $UNKNOWN"
+echo "All changed files: $ALL_CHANGED"
+echo "All modified files: $ALL_MODIFIED_FILES"
+
+if [[ -n "$INPUT_FILES" ]]; then
+  # shellcheck disable=SC2001
+  ALL_INPUT_FILES=$(echo "$INPUT_FILES" | tr "\n" " " | xargs)
+
+  echo "Input files: ${ALL_INPUT_FILES[*]}"
+  echo "Matching modified files: ${ALL_MODIFIED_FILES[*]}"
+  if [[ -n "$ALL_MODIFIED_FILES" ]]; then
+    echo "::set-output name=any_changed::true"
+  else
+    echo "::set-output name=any_changed::false"
+  fi
+fi
+
+echo "::set-output name=added_files::$ADDED"
+echo "::set-output name=copied_files::$COPIED"
+echo "::set-output name=deleted_files::$DELETED"
+echo "::set-output name=modified_files::$MODIFIED"
+echo "::set-output name=renamed_files::$RENAMED"
+echo "::set-output name=changed_files::$CHANGED"
+echo "::set-output name=unmerged_files::$UNMERGED"
+echo "::set-output name=unknown_files::$UNKNOWN"
+echo "::set-output name=all_changed_files::$ALL_CHANGED"
+echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"