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Moved entrypoint functionality to functions

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Created functions.sh file
This commit is contained in:
PWall 2023-05-10 11:08:03 +02:00
parent 037cfb345e
commit 5520368043
3 changed files with 93 additions and 66 deletions
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1
Dockerfile
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@ -3,5 +3,6 @@ FROM alpine:latest
RUN apk add --no-cache git git-lfs openssh-client
COPY entrypoint.sh /entrypoint.sh
COPY functions.sh /functions.sh
ENTRYPOINT ["/entrypoint.sh"]

75
entrypoint.sh
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@ -3,19 +3,10 @@
set -e # if a command fails it stops the execution
set -u # script fails if trying to access to an undefined variable
. ./functions.sh
echo "[+] Action start"
SOURCE_BEFORE_DIRECTORY="${1}"
SOURCE_DIRECTORY="${2}"
DESTINATION_GITHUB_USERNAME="${3}"
DESTINATION_REPOSITORY_NAME="${4}"
GITHUB_SERVER="${5}"
USER_EMAIL="${6}"
USER_NAME="${7}"
DESTINATION_REPOSITORY_USERNAME="${8}"
TARGET_BRANCH="${9}"
COMMIT_MESSAGE="${10}"
TARGET_DIRECTORY="${11}"
CREATE_TARGET_BRANCH_IF_NEEDED="${12}"
getArgs "$@"
if [ -z "$DESTINATION_REPOSITORY_USERNAME" ]
then
@ -32,24 +23,11 @@ fi
if [ -n "${SSH_DEPLOY_KEY:=}" ]
then
echo "[+] Using SSH_DEPLOY_KEY"
# Inspired by https://github.com/leigholiver/commit-with-deploy-key/blob/main/entrypoint.sh , thanks!
mkdir --parents "$HOME/.ssh"
DEPLOY_KEY_FILE="$HOME/.ssh/deploy_key"
echo "${SSH_DEPLOY_KEY}" > "$DEPLOY_KEY_FILE"
chmod 600 "$DEPLOY_KEY_FILE"
SSH_KNOWN_HOSTS_FILE="$HOME/.ssh/known_hosts"
ssh-keyscan -H "$GITHUB_SERVER" > "$SSH_KNOWN_HOSTS_FILE"
export GIT_SSH_COMMAND="ssh -i "$DEPLOY_KEY_FILE" -o UserKnownHostsFile=$SSH_KNOWN_HOSTS_FILE"
GIT_CMD_REPOSITORY="git@$GITHUB_SERVER:$DESTINATION_REPOSITORY_USERNAME/$DESTINATION_REPOSITORY_NAME.git"
sshDeployKey
elif [ -n "${API_TOKEN_GITHUB:=}" ]
then
echo "[+] Using API_TOKEN_GITHUB"
GIT_CMD_REPOSITORY="https://$DESTINATION_REPOSITORY_USERNAME:$API_TOKEN_GITHUB@$GITHUB_SERVER/$DESTINATION_REPOSITORY_USERNAME/$DESTINATION_REPOSITORY_NAME.git"
githubToken
else
echo "::error::API_TOKEN_GITHUB and SSH_DEPLOY_KEY are empty. Please fill one (recommended the SSH_DEPLOY_KEY)"
exit 1
@ -65,29 +43,10 @@ echo "[+] Enable git lfs"
git lfs install
echo "[+] Cloning destination git repository $DESTINATION_REPOSITORY_NAME"
# Setup git
git config --global user.email "$USER_EMAIL"
git config --global user.name "$USER_NAME"
setupGit
{
git clone --single-branch --depth 1 --branch "$TARGET_BRANCH" "$GIT_CMD_REPOSITORY" "$CLONE_DIR"
} || {
if [ "$CREATE_TARGET_BRANCH_IF_NEEDED" = "true" ]
then
# Default branch of the repository is cloned. Later on the required branch
# will be created
git clone --single-branch --depth 1 "$GIT_CMD_REPOSITORY" "$CLONE_DIR"
else
false
fi
} || {
echo "::error::Could not clone the destination repository. Command:"
echo "::error::git clone --single-branch --branch $TARGET_BRANCH $GIT_CMD_REPOSITORY $CLONE_DIR"
echo "::error::(Note that if they exist USER_NAME and API_TOKEN is redacted by GitHub)"
echo "::error::Please verify that the target repository exist AND that it contains the destination branch name, and is accesible by the API_TOKEN_GITHUB OR SSH_DEPLOY_KEY"
exit 1
cloneRepo
}
ls -la "$CLONE_DIR"
TEMP_DIR=$(mktemp -d)
@ -117,19 +76,7 @@ echo "[+] List contents of $SOURCE_DIRECTORY"
ls "$SOURCE_DIRECTORY"
echo "[+] Checking if local $SOURCE_DIRECTORY exist"
if [ ! -d "$SOURCE_DIRECTORY" ]
then
echo "ERROR: $SOURCE_DIRECTORY does not exist"
echo "This directory needs to exist when push-to-another-repository is executed"
echo
echo "In the example it is created by ./build.sh: https://github.com/cpina/push-to-another-repository-example/blob/main/.github/workflows/ci.yml#L19"
echo
echo "If you want to copy a directory that exist in the source repository"
echo "to the target repository: you need to clone the source repository"
echo "in a previous step in the same build section. For example using"
echo "actions/checkout@v2. See: https://github.com/cpina/push-to-another-repository-example/blob/main/.github/workflows/ci.yml#L16"
exit 1
fi
checkSource
echo "[+] Copying contents of source repository folder $SOURCE_DIRECTORY to folder $TARGET_DIRECTORY in git repo $DESTINATION_REPOSITORY_NAME"
cp -ra "$SOURCE_DIRECTORY"/. "$CLONE_DIR/$TARGET_DIRECTORY"
@ -147,11 +94,7 @@ echo "[+] Set directory is safe ($CLONE_DIR)"
# TODO: review before releasing it as a version
git config --global --add safe.directory "$CLONE_DIR"
if [ "$CREATE_TARGET_BRANCH_IF_NEEDED" = "true" ]
then
git switch -c "$TARGET_BRANCH"
fi
switchBranch
echo "[+] Adding git commit"
git add .

83
functions.sh Normal file
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@ -0,0 +1,83 @@
#!/bin/sh
getArgs() {
SOURCE_BEFORE_DIRECTORY="${1}"
SOURCE_DIRECTORY="${2}"
DESTINATION_GITHUB_USERNAME="${3}"
DESTINATION_REPOSITORY_NAME="${4}"
GITHUB_SERVER="${5}"
USER_EMAIL="${6}"
USER_NAME="${7}"
DESTINATION_REPOSITORY_USERNAME="${8}"
TARGET_BRANCH="${9}"
COMMIT_MESSAGE="${10}"
TARGET_DIRECTORY="${11}"
CREATE_TARGET_BRANCH_IF_NEEDED="${12}"
}
sshDeployKey() {
mkdir --parents "$HOME/.ssh"
DEPLOY_KEY_FILE="$HOME/.ssh/deploy_key"
echo "${SSH_DEPLOY_KEY}" > "$DEPLOY_KEY_FILE"
chmod 600 "$DEPLOY_KEY_FILE"
SSH_KNOWN_HOSTS_FILE="$HOME/.ssh/known_hosts"
ssh-keyscan -H "$GITHUB_SERVER" > "$SSH_KNOWN_HOSTS_FILE"
export GIT_SSH_COMMAND="ssh -i "$DEPLOY_KEY_FILE" -o UserKnownHostsFile=$SSH_KNOWN_HOSTS_FILE"
GIT_CMD_REPOSITORY="git@$GITHUB_SERVER:$DESTINATION_REPOSITORY_USERNAME/$DESTINATION_REPOSITORY_NAME.git"
}
githubToken() {
GIT_CMD_REPOSITORY="https://$DESTINATION_REPOSITORY_USERNAME:$API_TOKEN_GITHUB@$GITHUB_SERVER/$DESTINATION_REPOSITORY_USERNAME/$DESTINATION_REPOSITORY_NAME.git"
}
setupGit() {
git config --global user.email "$USER_EMAIL"
git config --global user.name "$USER_NAME"
}
cloneRepo() {
{
git clone --single-branch --depth 1 --branch "$TARGET_BRANCH" "$GIT_CMD_REPOSITORY" "$CLONE_DIR"
} || {
if [ "$CREATE_TARGET_BRANCH_IF_NEEDED" = "true" ]
then
# Default branch of the repository is cloned. Later on the required branch
# will be created
git clone --single-branch --depth 1 "$GIT_CMD_REPOSITORY" "$CLONE_DIR"
else
false
fi
} || {
echo "::error::Could not clone the destination repository. Command:"
echo "::error::git clone --single-branch --branch $TARGET_BRANCH $GIT_CMD_REPOSITORY $CLONE_DIR"
echo "::error::(Note that if they exist USER_NAME and API_TOKEN is redacted by GitHub)"
echo "::error::Please verify that the target repository exist AND that it contains the destination branch name, and is accesible by the API_TOKEN_GITHUB OR SSH_DEPLOY_KEY"
exit 1
}
}
checkSource() {
if [ ! -d "$SOURCE_DIRECTORY" ]
then
echo "ERROR: $SOURCE_DIRECTORY does not exist"
echo "This directory needs to exist when push-to-another-repository is executed"
echo
echo "In the example it is created by ./build.sh: https://github.com/cpina/push-to-another-repository-example/blob/main/.github/workflows/ci.yml#L19"
echo
echo "If you want to copy a directory that exist in the source repository"
echo "to the target repository: you need to clone the source repository"
echo "in a previous step in the same build section. For example using"
echo "actions/checkout@v2. See: https://github.com/cpina/push-to-another-repository-example/blob/main/.github/workflows/ci.yml#L16"
exit 1
fi
}
switchBranch() {
if [ "$CREATE_TARGET_BRANCH_IF_NEEDED" = "true" ]
then
git switch -c "$TARGET_BRANCH"
fi
}