use templates and always adjust paths

This prepares for further customization of file locations.

files/hassio-apparmor

@@ -2,7 +2,7 @@
 set -e
 
 # Load configs
-CONFIG_FILE=/etc/hassio.json
+CONFIG_FILE=%%HASSIO_CONFIG%%
 
 # Read configs
 DATA="$(jq --raw-output '.data // "/usr/share/hassio"' ${CONFIG_FILE})"

files/hassio-apparmor.service

@@ -1,7 +1,7 @@
 [Unit]
 Description=Hass.io AppArmor
 Wants=hassio-supervisor.service
-Before=docker.service hassio-supervisor.service
+Before=%%DOCKER_SERVICE%% hassio-supervisor.service
 
 [Service]
 Type=oneshot

files/hassio-supervisor

@@ -2,7 +2,7 @@
 set -e
 
 # Load configs
-CONFIG_FILE=/etc/hassio.json
+CONFIG_FILE=%%HASSIO_CONFIG%%
 
 SUPERVISOR="$(jq --raw-output '.supervisor' ${CONFIG_FILE})"
 HOMEASSISTANT="$(jq --raw-output '.homeassistant' ${CONFIG_FILE})"

files/hassio-supervisor.service

@@ -1,15 +1,15 @@
 [Unit]
 Description=Hass.io supervisor
-Requires=docker.service
-After=docker.service dbus.socket
+Requires=%%DOCKER_SERVICE%%
+After=%%DOCKER_SERVICE%% dbus.socket
 
 [Service]
 Type=simple
 Restart=always
 RestartSec=5s
-ExecStartPre=-/usr/bin/docker stop hassio_supervisor
+ExecStartPre=-%%DOCKER_BINARY%% stop hassio_supervisor
 ExecStart=/usr/sbin/hassio-supervisor
-ExecStop=-/usr/bin/docker stop hassio_supervisor
+ExecStop=-%%DOCKER_BINARY%% stop hassio_supervisor
 
 [Install]
 WantedBy=multi-user.target

hassio_install.sh

@@ -3,7 +3,7 @@ set -e
 
 ARCH=$(uname -m)
 DOCKER_DAEMON_CONFIG=/etc/docker/daemon.json
-SNAP=false
+DOCKER_BINARY=/usr/bin/docker
 DOCKER_REPO=homeassistant
 DOCKER_SERVICE=docker.service
 DATA_SHARE=/usr/share/hassio
@@ -27,15 +27,14 @@ command -v nmcli > /dev/null 2>&1 || echo "[Warning] No NetworkManager support o
 
 #detect if running on snapped docker
 if snap list docker >/dev/null 2>&1; then
-    SNAP=true
     DOCKER_DAEMON_CONFIG=/root/snap/docker/current/etc/docker/daemon.json
+    DOCKER_BINARY=/snap/bin/docker
     DATA_SHARE=/root/snap/docker/common/hassio
     CONFIG=$DATA_SHARE/hassio.json
     DOCKER_SERVICE="snap.docker.dockerd.service"
 fi
 
 function version_gt() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
-function adjust_snap() { sed "s,/usr/bin/docker,/snap/bin/docker,; s,docker.service,$DOCKER_SERVICE,; s,/etc/hassio.json,$CONFIG," -i "$1"; }
 
 # Parse command line parameters
 while [[ $# -gt 0 ]]; do
@@ -148,11 +147,8 @@ echo "[Info] Install supervisor startup scripts"
 curl -sL ${URL_BIN_HASSIO} > /usr/sbin/hassio-supervisor
 curl -sL ${URL_SERVICE_HASSIO} > /etc/systemd/system/hassio-supervisor.service
 
-#adjust paths for snap
-if [ "$SNAP" = "true" ]; then
-    adjust_snap /usr/sbin/hassio-supervisor
-    adjust_snap /etc/systemd/system/hassio-supervisor.service
-fi
+sed -i "s,%%HASSIO_CONFIG%%,${CONFIG},g" /usr/sbin/hassio-supervisor
+sed -i "s,%%DOCKER_BINARY%%,${DOCKER_BINARY},g; s,%%DOCKER_SERVICE%%,${DOCKER_SERVICE},g" /etc/systemd/system/hassio-supervisor.service
 
 chmod a+x /usr/sbin/hassio-supervisor
 systemctl enable hassio-supervisor.service
@@ -166,11 +162,8 @@ if command -v apparmor_parser > /dev/null 2>&1; then
     curl -sL ${URL_SERVICE_APPARMOR} > /etc/systemd/system/hassio-apparmor.service
     curl -sL ${URL_APPARMOR_PROFILE} > "${DATA_SHARE}"/apparmor/hassio-supervisor
 
-    #adjust paths for snap
-    if [ "$SNAP" = "true" ]; then
-        adjust_snap /usr/sbin/hassio-apparmor
-        adjust_snap /etc/systemd/system/hassio-apparmor.service
-    fi
+    sed -i "s,%%HASSIO_CONFIG%%,${CONFIG},g" /usr/sbin/hassio-apparmor
+    sed -i "s,%%DOCKER_SERVICE%%,${DOCKER_SERVICE},g" /etc/systemd/system/hassio-apparmor.service
 
     chmod a+x /usr/sbin/hassio-apparmor
     systemctl enable hassio-apparmor.service