fix curl install

install.sh

@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 
 ## CONSTANTS
-
 BASE_ARCHIVE_URL='https://git.artcode.re/miaou/miaou-bash/archive'
+BASE_TAG_URL='https://git.artcode.re/api/v1/repos/miaou/miaou-bash/tags'
 BASH_SHELL='/bin/bash'
 
 ## FUNCTIONS
@@ -16,10 +16,11 @@ function install {
   echo INSTALL
 
   local latest_tag
-  latest_tag=$(curl -s https://git.artcode.re/api/v1/repos/miaou/miaou-bash/tags |
-    grep -oPm1 '{"name":".*?",' |
-    head -n1 |
-    cut -d'"' -f4)
+  latest_tag=$(
+    curl -s "$BASE_TAG_URL" |
+      grep '"name":' |
+      cut -d '"' -f4
+  )
   echo "latest_tag=$latest_tag"
 
   local tempfile='/tmp/miaou-bash-latest.tar.gz'