Eradicate auth_flag

`curl` seems to be unhappy with spaces within this env var, resulting in

curl: (22) The requested URL returned error: 400 Bad Request

As unsightly as it is, we resort to explicitly setting the flag the way curl expects

Author: BanzaiMan

bin/compile

@@ -9,17 +9,21 @@ function fetch_pear() {
   max_tries=10
   sleep_interval=180
 
-  if [ -n $GITHUB_TOKEN ]; then
-  	auth_flag="-H 'Authorization: token $GITHUB_TOKEN'"
-  fi
-
   while [[ $tries -le $max_tries ]]; do
     echo "Try $tries of $max_tries"
     if [ -z $version ]; then
-      version=$(curl -sSfL --retry 20 "${auth_flag}" https://api.github.com/repos/pear/pearweb_phars/releases/latest | jq -r .tag_name)
+      if [ -n $GITHUB_TOKEN ]; then
+        version=$(curl -sSfL --retry 20 -H "Authorization: token $GITHUB_TOKEN" https://api.github.com/repos/pear/pearweb_phars/releases/latest | jq -r .tag_name)
+      else
+        version=$(curl -sSfL --retry 20 https://api.github.com/repos/pear/pearweb_phars/releases/latest | jq -r .tag_name)
+      fi
     fi
 
-    curl -sSfL "${auth_flag}" --retry 20 -O https://raw.githubusercontent.com/pear/pearweb_phars/${version}/go-pear.phar
+    if [ -n $GITHUB_TOKEN ]; then
+      curl -sSfL -H "Authorization: token $GITHUB_TOKEN" --retry 20 -O https://raw.githubusercontent.com/pear/pearweb_phars/${version}/go-pear.phar
+    else
+      curl -sSfL --retry 20 -O https://raw.githubusercontent.com/pear/pearweb_phars/${version}/go-pear.phar
+    fi
 
     if [ -f go-pear.phar ]; then
       break