feat: update alpine to 3.11.0

cf. #64

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.11.2
+FROM alpine:3.11.0
 
 RUN apk add --no-cache \
     bash \

README.md

@@ -71,7 +71,6 @@ Do you want to skip the docker build step? OK, the script mode is available.
   - [⭐️ Keeping existing files](#%EF%B8%8F-keeping-existing-files)
   - [⭐️ Deploy to external repository](#%EF%B8%8F-deploy-to-external-repository)
   - [⭐️ Force orphan](#%EF%B8%8F-force-orphan)
-  - [⭐️ Set Git username and email](#%EF%B8%8F-set-git-username-and-email)
   - [⭐️ Script mode](#%EF%B8%8F-script-mode)
 - [Tips and FAQ](#tips-and-faq)
   - [⭐️ Use the latest and specific release](#%EF%B8%8F-use-the-latest-and-specific-release)
@@ -312,23 +311,6 @@ This allows you to make your publish branch with only the latest commit.
     forceOrphan: true
 ```
 
-### ⭐️ Set Git username and email
-
-Set custom `git config user.name` and `git config user.email`.
-A commit is always created with the same user.
-
-```yaml
-- name: Deploy
-  uses: peaceiris/actions-gh-pages@v2
-  env:
-    ACTIONS_DEPLOY_KEY: ${{ secrets.ACTIONS_DEPLOY_KEY }}
-    PUBLISH_BRANCH: gh-pages
-    PUBLISH_DIR: ./public
-  with:
-    username: "iris"
-    useremail: "iris@peaceiris.com"
-```
-
 ### ⭐️ Script mode
 
 From `v2.5.0`, we can run this action as a shell script.

action.yml

@@ -20,12 +20,3 @@ inputs:
     description: 'Keep only the latest commit on a GitHub Pages branch'
     required: false
     default: 'false'
-  username:
-    description: 'Set Git user.name'
-    required: false
-  useremail:
-    description: 'Set Git user.email'
-    required: false
-  commitMessage:
-    description: 'Set custom commit message'
-    required: false

entrypoint.sh

@@ -102,34 +102,14 @@ else
 fi
 
 # push to publishing branch
-if [[ -n "${INPUT_USERNAME}" ]]; then
-    git config user.name "${INPUT_USERNAME}"
-else
-    git config user.name "${GITHUB_ACTOR}"
-fi
-if [[ -n "${INPUT_USEREMAIL}" ]]; then
-    git config user.email "${INPUT_USEREMAIL}"
-else
-    git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
-fi
+git config user.name "${GITHUB_ACTOR}"
+git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
 git remote rm origin || true
 git remote add origin "${remote_repo}"
 git add --all
 
 print_info "Allowing empty commits: ${INPUT_EMPTYCOMMITS}"
-
-if [ -n "${INPUT_COMMITMESSAGE}" ]; then
-    BASE_COMMIT_MESSAGE="${INPUT_COMMITMESSAGE}"
-else
-    BASE_COMMIT_MESSAGE="Automated deployment: $(date -u)"
-fi
-
-if [ -n "${EXTERNAL_REPOSITORY}" ]; then
-    COMMIT_MESSAGE="${BASE_COMMIT_MESSAGE} ${GITHUB_REPOSITORY}@${GITHUB_SHA}"
-else
-    COMMIT_MESSAGE="${BASE_COMMIT_MESSAGE} ${GITHUB_SHA}"
-fi
-
+COMMIT_MESSAGE="Automated deployment: $(date -u) ${GITHUB_SHA}"
 if [[ ${INPUT_EMPTYCOMMITS} == "false" ]]; then
     git commit -m "${COMMIT_MESSAGE}" || skip
 else