Files
crush_action/entrypoint.sh
2020-03-18 13:45:20 +01:00

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#!/bin/sh
# e is for exiting the script automatically if a command fails, u is for exiting if a variable is not set
# x would be for showing the commands before they are executed
set -eu
# FUNCTIONS
# Function for setting up git env in the docker container (copied from https://github.com/stefanzweifel/git-auto-commit-action/blob/master/entrypoint.sh)
_git_setup ( ) {
cat <<- EOF > $HOME/.netrc
machine github.com
login $GITHUB_ACTOR
password $GITHUB_TOKEN
machine api.github.com
login $GITHUB_ACTOR
password $GITHUB_TOKEN
EOF
chmod 600 $HOME/.netrc
git config --global user.email "actions@github.com"
git config --global user.name "GitHub Action"
}
# Checks if any files are changed
_git_changed() {
[[ -n "$(git status -s)" ]]
}
# Pushes to the according upstream (origin or input branch)
_git_push() {
if [ -z "$INPUT_BRANCH" ]
then
git push origin
else
git push --set-upstream origin "HEAD:$INPUT_BRANCH"
fi
}
# PROGRAM
find -type f -name "*.png" -exec optipng -nc -nb -o7 {} \;
# To keep runtime good, just continue if something was changed
if _git_changed;
then
# Configure the git environemnt
_git_setup
echo "Commiting and pushing changes..."
# Switch to the actual branch
git checkout $INPUT_BRANCH || echo "Problem checking out the specified branch: $INPUT_BRANCH"
# Add changes to git
git add "${INPUT_FILE_PATTERN}" || echo "Problem adding your files with pattern ${INPUT_FILE_PATTERN}"
# Commit and push changes back
git commit -m "$INPUT_COMMIT_MESSAGE" --author="$GITHUB_ACTOR <$GITHUB_ACTOR@users.noreply.github.com>" ${INPUT_COMMIT_OPTIONS:+"$INPUT_COMMIT_OPTIONS"}
_git_push
echo "Changes pushed successfully."
else
echo "Nothing to commit. Exiting."
fi