feat: add support for amend input (#12)

README.md

@@ -44,6 +44,7 @@ jobs:
 | message        | string  | 'chore: autopublish ${date}' | Commit message. |
 | branch         | string  | 'main'                    | Destination branch to push changes. |
 | empty          | boolean | false                       | Allow empty commit. |
+| amend          | boolean | false                       | Determines if the commit should be amended. Needs to be used with `force` input to force push the amended commit. |
 | force          | boolean | false                       | Determines if force push is used. |
 | tags           | boolean | false                       | Determines if `--tags` is used. |
 | directory      | string  | '.'                         | Directory to change to before pushing. |

action.yml

@@ -33,6 +33,10 @@ inputs:
   empty:
     description: 'Allow empty commit'
     required: false
+  amend:
+    description: 'Determines if the commit should be amended'
+    required: false
+    default: 'false'
   force:
     description: 'Determines if force push is used'
     required: false

start.sh

@@ -9,6 +9,7 @@ INPUT_COAUTHOR_EMAIL=${INPUT_COAUTHOR_EMAIL:-''}
 INPUT_COAUTHOR_NAME=${INPUT_COAUTHOR_NAME:-''}
 INPUT_MESSAGE=${INPUT_MESSAGE:-"chore: autopublish ${timestamp}"}
 INPUT_BRANCH=${INPUT_BRANCH:-master}
+INPUT_AMEND=${INPUT_AMEND:-false}
 INPUT_FORCE=${INPUT_FORCE:-false}
 INPUT_TAGS=${INPUT_TAGS:-false}
 INPUT_EMPTY=${INPUT_EMPTY:-false}
@@ -25,6 +26,10 @@ if ${INPUT_EMPTY}; then
     _EMPTY='--allow-empty'
 fi
 
+if ${INPUT_AMEND}; then
+    _AMEND='--amend --no-edit'
+fi
+
 if ${INPUT_FORCE}; then
     _FORCE_OPTION='--force'
 fi
@@ -43,7 +48,16 @@ git config --local user.name "${INPUT_AUTHOR_NAME}"
 
 git add -A
 
-if [ -n "${INPUT_COAUTHOR_EMAIL}" ] && [ -n "${INPUT_COAUTHOR_NAME}" ]; then
+if ${INPUT_AMEND}; then
+    if [ -n "${INPUT_COAUTHOR_EMAIL}" ] && [ -n "${INPUT_COAUTHOR_NAME}" ]; then
+        git commit ${_AMEND} -m "${INPUT_MESSAGE}
+
+    Co-authored-by: ${INPUT_COAUTHOR_NAME} <${INPUT_COAUTHOR_EMAIL}>" || exit 0
+    else
+    git commit ${_AMEND} -m "${INPUT_MESSAGE}" $_EMPTY || exit 0
+    fi
+
+elif [ -n "${INPUT_COAUTHOR_EMAIL}" ] && [ -n "${INPUT_COAUTHOR_NAME}" ]; then
     git commit -m "${INPUT_MESSAGE}