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Generate deployment scripts for an application.

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mix_deploy priv templates extract-release.eex
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priv/templates/extract-release.eex 

#!/bin/sh



# Extract release from tar to target current dir



set -e



# Environment vars

# DESTDIR, prefix for target files, optional



# Config vars

CURRENT_DIR="${CURRENT_DIR:-"<%= current_dir %>"}"

RELEASE_NAME="${RELEASE_NAME:-"<%= release_name %>"}"

DEPLOY_USER="${DEPLOY_USER:-"<%= deploy_user %>"}"

APP_GROUP="${APP_USER:-"<%= app_group %>"}"



CURDIR="$PWD"

BINDIR=$(dirname "$0")

cd "$BINDIR"; BINDIR="$PWD"; cd "$CURDIR"



TARGET_DIR="${DESTDIR}${CURRENT_DIR}"

TAR_FILE="${BINDIR}/../${RELEASE_NAME}.tar.gz"



echo "==> Removing previous release $TARGET_DIR"

rm -rf "$TARGET_DIR"



echo "==> Extracting release from tar file $TAR_FILE"

mkdir -p "$TARGET_DIR"

tar -C "$TARGET_DIR" -xzf "$TAR_FILE"

chown -R "${DEPLOY_USER}:${APP_GROUP}" "${TARGET_DIR}"