From 5001a9e2ccb128a0416902117034eca880a74b07 Mon Sep 17 00:00:00 2001
From: Jean-Christophe Vanhalle <jc.vanhalle@gmail.com>
Date: Sun, 11 Apr 2021 22:31:54 +0200
Subject: [PATCH] switches to sh instead of bash

---
 create.sh | 107 ++++++++++++++++++++++++++++++++----------------------
 mnt.sh    |  49 ++++++++++++++++++-------
 purge.sh  |   8 ++--
 root.sh   |  20 +++++++---
 wp.sh     |  20 +++++++---
 5 files changed, 132 insertions(+), 72 deletions(-)

diff --git a/create.sh b/create.sh
index c812f25..dce5de6 100755
--- a/create.sh
+++ b/create.sh
@@ -1,73 +1,92 @@
-#! /bin/bash
+#! /bin/sh
 #
 
-set -o allexport;
-source .env;
-set +o allexport
+if [ -f .env ]
+then
+  set -o allexport;
+  . ./.env;
+  set +o allexport
+else
+  echo Missing .env file
+  exit 1  
+fi
 
-echo "Setting up docker volumes";
-docker volume create $DOCKER_PREFIX-web;
-docker volume create $DOCKER_PREFIX-db;
-docker volume create wp-cli-cache;
-echo "Setting up docker network";
-docker network create $DOCKER_PREFIX;
+echo Setting up ${DOCKER_PREFIX} volumes
+docker volume create ${DOCKER_PREFIX}-web
+docker volume create ${DOCKER_PREFIX}-db
+docker volume create wp-cli-cache
+echo Setting up ${DOCKER_PREFIX} network
+docker network create ${DOCKER_PREFIX}
 
-docker-compose up -d web;
-while ! docker ps -q -f name=$DOCKER_PREFIX-web; do
-    echo "Waiting for the web container to be up and running...";
-    sleep 1;
+docker-compose up -d web
+while [ ! $(docker ps --quiet --filter name=${DOCKER_PREFIX}-web) ]
+do
+    echo Waiting for the ${DOCKER_PREFIX}-web container to be up and running…
+    sleep 1
 done
 
-docker-compose up -d db;
-while ! docker ps -q -f name=$DOCKER_PREFIX-db; do
-    echo "Waiting for the db container to be up and running...";
-    sleep 1;
+docker-compose up -d db
+while [ ! $(docker ps -q -f name=${DOCKER_PREFIX}-db) ]
+do
+    echo Waiting for the ${DOCKER_PREFIX}-db container to be up and running…
+    sleep 1
 done
 
-while ! docker exec $DOCKER_PREFIX-web /bin/sh -c "mysqladmin ping -h $DOCKER_PREFIX-db -P 3306 --protocol=tcp -u user -puser --silent" ; do
-    echo "Waiting for the mysql server in the db container to be up and running...";
-    sleep 1;
+COMMAND="mysqladmin \
+  ping \
+  --host ${DOCKER_PREFIX}-db \
+  --port 3306 \
+  --protocol=tcp \
+  --user=${DB_USER} \
+  --password=${DB_USER_PASSWORD} \
+  --silent"
+# weird [: mysqld: unexpected operator when using COMMAND
+#while ! docker exec ${DOCKER_PREFIX}-web /bin/sh -c "mysqladmin ping -h ${DOCKER_PREFIX}-db -P 3306 --protocol=tcp -u user -puser --silent"
+while [ ! $(docker exec ${DOCKER_PREFIX}-web /bin/sh -c "${COMMAND}") ]
+do
+    echo Waiting for ${DOCKER_PREFIX}-db to accept connections…
+    sleep 1
 done
 
-echo "Downloading WordPress core";
-docker exec --user www-data $DOCKER_PREFIX-web /bin/sh -c "
+echo Downloading WordPress core
+docker exec --user www-data ${DOCKER_PREFIX}-web /bin/sh -c "
     wp core download \
-        --locale=$WP_LOCALE \
+        --locale=${WP_LOCALE} \
         --path=/var/www/html \
-        --version=$WP_VERSION";
+        --version=${WP_VERSION}"
 
-echo "Creating WordPress config";
-docker exec --user www-data $DOCKER_PREFIX-web /bin/sh -c '
+echo Creating ${DOCKER_PREFIX} WordPress config
+docker exec --user www-data ${DOCKER_PREFIX}-web /bin/sh -c '
     wp config create \
-        --dbhost='"$DOCKER_PREFIX-db"' \
-        --dbname='"$DOCKER_PREFIX"' \
-        --dbpass='"$DB_USER_PASSWORD"' \
-        --dbuser='"$DB_USER"' \
+        --dbhost='"${DOCKER_PREFIX}-db"' \
+        --dbname='"${DOCKER_PREFIX}"' \
+        --dbpass='"${DB_USER_PASSWORD}"' \
+        --dbuser='"${DB_USER}"' \
         --force \
         --path=/var/www/html \
         --skip-check \
         --extra-php <<EXTRA-PHP
 if (isset(\$_SERVER["HTTP_X_FORWARDED_PROTO"]) && \$_SERVER["HTTP_X_FORWARDED_PROTO"] == "https") \$_SERVER["HTTPS"]="on";
 EXTRA-PHP
-';
+'
 
-echo "Installing WordPress core";
-docker exec --user www-data $DOCKER_PREFIX-web /bin/sh -c "
+echo Installing WordPress core
+docker exec --user www-data ${DOCKER_PREFIX}-web /bin/sh -c "
     wp core install \
         --admin_email=no@mail.com \
-        --admin_password=$WP_ADMIN_PASSWORD \
-        --admin_user=$WP_ADMIN_USERNAME \
+        --admin_password=${WP_ADMIN_PASSWORD} \
+        --admin_user=${WP_ADMIN_USERNAME} \
         --path=/var/www/html \
         --skip-email \
-        --title=$DOCKER_PREFIX \
-        --url=$WP_DEFAULT_PROTOCOL://$WP_URL";
+        --title=${DOCKER_PREFIX} \
+        --url=${WP_DEFAULT_PROTOCOL}://${WP_URL}"
 
-echo "Installing WordPress $WP_THEME theme";
-docker exec --user www-data $DOCKER_PREFIX-web /bin/sh -c "
-    wp theme install $WP_THEME \
+echo Installing WordPress ${WP_THEME} theme
+docker exec --user www-data ${DOCKER_PREFIX}-web /bin/sh -c "
+    wp theme install ${WP_THEME} \
         --activate \
-        --path=/var/www/html";
+        --path=/var/www/html"
 
-echo "Connect network to traefik";
-docker network connect $DOCKER_PREFIX $TRAEFIK_NETWORK_NAME;
+echo Connect ${DOCKER_PREFIX} network to ${TRAEFIK_NETWORK_NAME}
+docker network connect ${DOCKER_PREFIX} ${TRAEFIK_NETWORK_NAME}
 docker-compose up -d adminer
diff --git a/mnt.sh b/mnt.sh
index 3a96a5f..c16699d 100755
--- a/mnt.sh
+++ b/mnt.sh
@@ -1,20 +1,41 @@
-#! /bin/bash
+#! /bin/sh
 #
 
-set -o allexport;
-source ./.env;
-set +o allexport
-
-docker_volumes_path=/home/$MOUNT_USER/.docker-data/volumes # volume_path=/var/lib/docker/volumes
-volume_src_path=$docker_volumes_path/$DOCKER_PREFIX-web/_data
-volume_dest_path=$PWD/volume
-
-if [ ! -d ./volume ]; then
-    sudo -u $MOUNT_USER mkdir volume
+if [ -f .env ]
+then
+  set -o allexport;
+  . ./.env;
+  set +o allexport
+else
+  echo Missing .env file
+  exit 1  
 fi
 
-if [ -d ./volume ]; then
-  if [ ! "$(ls -A ./volume)" ]; then
-    /usr/bin/bindfs --force-user=$MOUNT_USER --force-group=$MOUNT_USER --create-for-user=www-data --create-for-group=www-data $volume_src_path $volume_dest_path
+docker_volumes_path=/home/${MOUNT_USER}/.docker-data/volumes # volume_path=/var/lib/docker/volumes
+volume_src_path=${docker_volumes_path}/${DOCKER_PREFIX}-web/_data
+volume_dest_path=${PWD}/volume
+
+if [ ! -d ./volume ]
+then
+    sudo -u ${MOUNT_USER} mkdir volume
+fi
+
+if [ -d ./volume ]
+then
+  if [ ! "$(ls -A ./volume)" ]
+  then
+    /usr/bin/bindfs \
+      --force-user=${MOUNT_USER} \
+      --force-group=${MOUNT_USER} \
+      --create-for-user=www-data \
+      --create-for-group=www-data \
+      ${volume_src_path} \
+      ${volume_dest_path}
+  else
+      echo ./volume is not empty
+      exit 1
   fi
+else
+  echo ./volume does not exist
+  exit 1
 fi
diff --git a/purge.sh b/purge.sh
index 7bbb4e4..8095cb4 100755
--- a/purge.sh
+++ b/purge.sh
@@ -1,18 +1,18 @@
 #! /bin/sh
 #
 
-if [ -f "${PWD}/.env" ]
+if [ -f ./.env ]
 then
     set -o allexport
-    . "${PWD}/.env"
+    . ./.env
     set +o allexport
 else
-    echo "Missing .env file"
+    echo Missing .env file
     exit 1
 fi
 
 read -p "Confirmation (YyOo) ? " REPLY
-if [ `echo ${REPLY} | grep -i ^[yo]$` ]
+if [ $(echo ${REPLY} | grep -i ^[yo]$) ]
 then
     docker-compose stop
     docker network disconnect $DOCKER_PREFIX $TRAEFIK_NETWORK_NAME
diff --git a/root.sh b/root.sh
index bf23d95..a84b742 100755
--- a/root.sh
+++ b/root.sh
@@ -1,8 +1,18 @@
-#! /bin/bash
+#! /bin/sh
 #
 
-set -o allexport;
-source .env;
-set +o allexport
+if [ -f .env ]
+then
+  set -o allexport;
+  . ./.env;
+  set +o allexport
+else
+  echo Missing .env file
+  exit 1  
+fi
 
-docker exec -it --user root $DOCKER_PREFIX-web /bin/bash
+docker exec \
+  -it \
+  --user root \
+  ${DOCKER_PREFIX}-web \
+  /bin/bash
diff --git a/wp.sh b/wp.sh
index 6afab56..a11d36e 100755
--- a/wp.sh
+++ b/wp.sh
@@ -1,8 +1,18 @@
-#! /bin/bash
+#! /bin/sh
 #
 
-set -o allexport;
-source .env;
-set +o allexport
+if [ -f .env ]
+then
+  set -o allexport;
+  . ./.env;
+  set +o allexport
+else
+  echo Missing .env file
+  exit 1  
+fi
 
-docker exec -it --user www-data $DOCKER_PREFIX-web /bin/bash
+docker exec \
+  -it \
+  --user www-data \
+  ${DOCKER_PREFIX}-web \
+  /bin/bash