update.sh

@@ -6,33 +6,22 @@ CPOLIS_DIR=$EXTRACTION_DIR/cpolis
 TAILWINDCSS_REPO_URL=https://api.github.com/repos/tailwindlabs/tailwindcss/releases/latest
 TMP_DIR=/tmp
 BIN_DIR=/usr/local/bin
+SYSTEMD_DIR=/lib/systemd/system
 
-check_dependency() {
+! groups | grep -E 'root|wheel|sudo' && echo "You need administrative privileges for this script" && exit 1
-    if ! which $1 >/dev/null 2>&1; then
-        echo "$1 needs to be installed" >&2
-        exit 1
-    fi
-}
 
-if ! groups | grep -E 'root|wheel|sudo' >/dev/null; then
+! which curl >/dev/null 2>&1 && echo "curl needs to be installed" >&2 && exit 1
-    echo "You need administrative privileges for this script" >&2
+! which go >/dev/null 2>&1 && echo "go needs to be installed" >&2 && exit 1
-    exit 1
+! which jq >/dev/null 2>&1 && echo "jq needs to be installed" >&2 && exit 1
-fi
+! which tar >/dev/null 2>&1 && echo "tar needs to be installed" >&2 && exit 1
+! which xargs >/dev/null 2>&1 && echo "xargs needs to be installed" >&2 && exit 1
 
-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...' >&2
 curl -s $TAILWINDCSS_REPO_URL |
     grep -F browser_download_url |
     grep -F linux-x64 |
@@ -41,15 +30,11 @@ 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...' >&2
 sudo mv $TMP_DIR/cpolis $BIN_DIR/cpolis
-sudo chown root:root $BIN_DIR/cpolis
 chmod +x $BIN_DIR/cpolis
 
+[ ! -f $SYSTEMD_DIR ] && mkdir -p $SYSTEMD_DIR
 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