server.sh

#!/bin/sh

set -eu

# Check if there are any command-line arguments specified
[ "$#" -gt 0 ] && exec "$@"

# Extract the protocol (includes trailing "://").
DEST_PROTO="$(echo $DEST_REPO | sed -nr 's,^(.*://).*,\1,p')"
# Remove the protocol from the URL.
DEST_URL="$(echo ${DEST_REPO/$DEST_PROTO/})"
# Extract the user (includes trailing "@").
DEST_USER="$(echo $DEST_URL | sed -nr 's,^(.*@).*,\1,p')"
DEST_USER=${DEST_USER:-git@}
# Remove the user from the URL.
DEST_URL="$(echo ${DEST_URL/$DEST_USER/})"
# Extract the port (includes leading ":").
DEST_PORT="$(echo $DEST_URL | sed -nr 's,.*:([0-9]+).*,\1,p')"
DEST_PORT=${DEST_PORT:-22}
# Remove the port from the URL.
DEST_URL="$(echo ${DEST_URL/$DEST_PORT/})"
# Extract the path (includes leading "/" or ":").
DEST_PATH="$(echo $DEST_URL | sed -nr 's,[^/:]*([/:].*),\1,p')"
# Remove the path from the URL.
DEST_HOST="$(echo ${DEST_URL/$DEST_PATH/})"


# Extract the protocol (includes trailing "://").
SRC_PROTO="$(echo $SRC_REPO | sed -nr 's,^(.*://).*,\1,p')"
# Remove the protocol from the URL.
SRC_URL="$(echo ${SRC_REPO/$SRC_PROTO/})"
# Extract the user (includes trailing "@").
SRC_USER="$(echo $SRC_URL | sed -nr 's,^(.*@).*,\1,p')"
SRC_USER=${SRC_USER:-git@}
# Remove the user from the URL.
SRC_URL="$(echo ${SRC_URL/$SRC_USER/})"
# Extract the port (includes leading ":").
SRC_PORT="$(echo $SRC_URL | sed -nr 's,.*:([0-9]+).*,\1,p')"
SRC_PORT=${SRC_PORT:-22}
# Remove the port from the URL.
SRC_URL="$(echo ${SRC_URL/$SRC_PORT/})"
# Extract the path (includes leading "/" or ":").
SRC_PATH="$(echo $SRC_URL | sed -nr 's,[^/:]*([/:].*),\1,p')"
# Remove the path from the URL.
SRC_HOST="$(echo ${SRC_URL/$SRC_PATH/})"
# name that can be used for the folder name e.g vendor/repo
SRC_PROJECT="$(echo $SRC_PATH | sed -nr 's,:(.*)\.git,\1,p')"


printf "\nConfiguring ssh client to use deploy keys\n"
mkdir -p ~/.ssh
eval `ssh-agent -s`
echo "$SRC_DEPLOY_KEY" | base64 -d | ssh-add -
echo "$DEST_DEPLOY_KEY" | base64 -d | ssh-add -

printf "\n\nChecking access to $SRC_HOST\n"
ssh -o StrictHostKeyChecking=no -T "$SRC_USER$SRC_HOST" -p "$SRC_PORT" || 'true'
printf "\n\nChecking access to $DEST_HOST\n"
ssh -o StrictHostKeyChecking=no -T "$DEST_USER$DEST_HOST" -p "$DEST_PORT" || 'true'

if [[ ! -d /storage/"$SRC_PROJECT" ]]; then
  printf "\nCloning $SRC_REPO\n"
  cd /storage
  git clone --bare "$SRC_REPO" "$SRC_PROJECT"
  cd /storage/"$SRC_PROJECT"
  git remote add dest ssh://"$DEST_REPO"
fi

cd /storage/"$SRC_PROJECT"

printf "\Triggering first sync\n"
sh /usr/local/bin/mirror.sh

printf "\nStarting netcat server on port 8080\n"

while true; do nc -l -p 8080 -e sh -c 'echo -e "HTTP/1.0 200 OK\r\nDate: $(date)\r\nContent-Length: 2\r\n\r\nOK"; sh /usr/local/bin/mirror.sh;'; done