Add messages for user

update.sh

@@ -7,22 +7,32 @@ TAILWINDCSS_REPO_URL=https://api.github.com/repos/tailwindlabs/tailwindcss/relea
 TMP_DIR=/tmp
 BIN_DIR=/usr/local/bin
 
-! groups | grep -E 'root|wheel|sudo' >/dev/null && echo "You need administrative privileges for this script" && exit 1
+check_dependency() {
+    if ! which $1 >/dev/null 2>&1; then
+        echo "$1 needs to be installed" >&2
+        exit 1
+    fi
+}
 
-! which curl >/dev/null 2>&1 && echo "curl needs to be installed" >&2 && exit 1
+if ! groups | grep -E 'root|wheel|sudo' >/dev/null; then
-! which go >/dev/null 2>&1 && echo "go needs to be installed" >&2 && exit 1
+    echo "You need administrative privileges for this script" >&2
-! which jq >/dev/null 2>&1 && echo "jq needs to be installed" >&2 && exit 1
+    exit 1
-! which tar >/dev/null 2>&1 && echo "tar needs to be installed" >&2 && exit 1
+fi
-! which xargs >/dev/null 2>&1 && echo "xargs needs to be installed" >&2 && exit 1
 
-echo -e '\nDownloading cpolis...'
+check_dependency curl
+check_dependency go
+check_dependency jq
+check_dependency tar
+check_dependency xargs
+
+echo -e '\nDownloading cpolis...' >&2
 rm -fr $CPOLIS_DIR/*
 latest_release=$(curl -s $CPOLIS_REPO_URL | jq -r '.[0].tag_name')
 curl -Lo $TMP_DIR/cpolis.tar.gz https://git.streifling.com/jason/cpolis/archive/$latest_release.tar.gz
 tar -xzf $TMP_DIR/cpolis.tar.gz -C $EXTRACTION_DIR
 rm $TMP_DIR/cpolis.tar.gz
 
-echo -e '\nDownloading TailwindCSS...'
+echo -e '\nDownloading TailwindCSS...' >&2
 curl -s $TAILWINDCSS_REPO_URL |
     grep -F browser_download_url |
     grep -F linux-x64 |
@@ -31,12 +41,15 @@ curl -s $TAILWINDCSS_REPO_URL |
 chmod +x $CPOLIS_DIR/tailwindcss
 $CPOLIS_DIR/tailwindcss -i web/static/css/input.css -o web/static/css/style.css
 
+echo -e 'Building cpolis...' >&2
 go build -o $TMP_DIR/cpolis $CPOLIS_DIR/cmd/main.go
 
-echo -e 'Setting system files up'
+echo -e 'Setting system files up...' >&2
 sudo mv $TMP_DIR/cpolis $BIN_DIR/cpolis
+sudo chown root:root $BIN_DIR/cpolis
 chmod +x $BIN_DIR/cpolis
 
-sudo mv $CPOLIS_DIR/cpolis.service /etc/systemd/system
+sudo mv $CPOLIS_DIR/cpolis.service $SYSTEMD_DIR
+sudo chown root:root $SYSTEMD_DIR/cpolis.service
 sudo systemctl daemon-reload
 sudo systemctl is-active --quiet cpolis.service && sudo systemctl restart cpolis.service