diff --git a/app/crawler/cache.sh b/app/crawler/cache.sh
new file mode 100644
index 0000000..52e6dc9
--- /dev/null
+++ b/app/crawler/cache.sh
@@ -0,0 +1,28 @@
+#! /bin/bash
+
+cache() (
+   path() {
+      echo "$CACHE/$(echo "$*" | base64)"
+   }
+   get() {
+      local path="$(path "$*")"
+      if ! [ -f "$path" ]; then
+         return 1
+      fi
+      if wc -c "$path" | grep -q '^[ ]*0[ ]*$'; then
+         return 1
+      fi
+      local created="$(date -r "$path" +%s)"
+      local now="$(date +%s)"
+      if ((now-created > CACHE_DURATION)); then
+         return 1
+      fi
+      cat "$path"
+   }
+   put() {
+      local path="$(path "$*")"
+      tee "$path"
+   }
+   "$@"
+)
+
diff --git a/app/crawler/gitlab.sh b/app/crawler/gitlab.sh
new file mode 100644
index 0000000..d36815a
--- /dev/null
+++ b/app/crawler/gitlab.sh
@@ -0,0 +1,105 @@
+#! /bin/bash
+
+gitlab() (
+   is() {
+      echo "$*" | grep -q gitlab.app && ! echo "$*" | grep -q '/wiki/'
+   }
+
+   _gcurl() {
+      local cache_key="gitlab _gcurl $*"
+      if cache get "$cache_key"; then
+         return 0
+      fi
+      __gcurl "$@" | cache put "$cache_key"
+   }
+
+   __gcurl() {
+      curl -sS -H "Authorization: Bearer $GITLAB_PAT" "$@"
+   }
+
+   expand() {
+      local cache_key="gitlab expand $*"
+      if cache get "$cache_key"; then
+         return 0
+      fi
+      _expand "$@" | sort | cache put "$cache_key"
+   }
+
+   _expand() {
+      local url="$1"
+      local project="$(_url_to_project_root "$url" | head -n 1)"
+      local root="$(_url_to_project_root "$url" | tail -n 1)"
+      __expand "$project" "$root"
+   }
+
+   _url_to_project_root() {
+      local url="$1"
+      local url_path="${url#http*://gitlab*.net/}"
+      local project="${url_path%%/-/*}"
+      local root="${url_path#*/-/}"
+      local root="${root#tree/}"
+      local root="${root#blob/}"
+      local root="${root#*/}"
+      echo "$project"
+      echo "$root"
+   }
+
+   __expand() {
+      local project="$1"
+      local root="${2:-"/"}"
+
+      local b64_files=()
+      local b64_trees=("$root")
+      local i=0
+
+      find_each() {
+         local type="$1"
+         shift
+         echo "$*" \
+            | jq -c .[] \
+            | grep "\"type\":\"$type\"" \
+            | jq -r .path \
+            | while read -r line; do echo "$line" | base64; done \
+            | grep .
+      }
+      while [ "$i" -lt "${#b64_trees[@]}" ]; do
+         got="$(_list_tree "$project" "${b64_trees[i]}")"
+         for b64_tree in $(find_each "tree" "$got"); do
+            if ! echo "${b64_trees[@]}" | grep -q "[ ^]$b64_tree[ $]"; then
+               b64_trees+=("$b64_tree")
+            fi
+         done
+         for b64_file in $(find_each "blob" "$got"); do
+            if ! echo "${b64_files[@]}" | grep -q "[ ^]$b64_file[ $]"; then
+               b64_files+=("$b64_file")
+            fi
+         done
+         i=$((i+1))
+      done
+      for b64_file in "${b64_files[@]}"; do
+         echo "$b64_file" | base64 --decode
+      done
+   }
+
+   _list_tree() {
+      local project="$(urlencode "$1")"
+      local path="/api/v4/projects/$project/repository/tree"
+      local query="recursive=true&path=$2"
+      _gcurl "https://gitlab-app.eng.qops.net/$path?$query"
+   }
+
+   "$@"
+)
+
+urlencode() (
+    LC_COLLATE=C
+    local length="${#1}"
+    for (( i = 0; i < length; i++ )); do
+        local c="${1:$i:1}"
+        case $c in
+            [a-zA-Z0-9.~_-]) printf '%s' "$c" ;;
+            *) printf '%%%02X' "'$c" ;;
+        esac
+    done
+)
+
diff --git a/app/crawler/main.sh b/app/crawler/main.sh
index c3b1415..78546bf 100644
--- a/app/crawler/main.sh
+++ b/app/crawler/main.sh
@@ -18,6 +18,7 @@ config() {
    export CRAWL_INTERVAL=$((60*5))
    export NOTEA_ADDR="${NOTEA_ADDR:-"http://localhost:3000"}"
    export GITLAB_PAT="$GITLAB_PAT"
+   source ./gitlab.sh
 }
 
 log() {
@@ -83,162 +84,6 @@ rewrite() {
    return 1
 }
 
-notea() (
-   ncurl() {
-      curl -sS "$@"
-   }
-
-   ids() {
-      ncurl $NOTEA_ADDR/api/tree \
-         | jq -r '.items \
-         | to_entries[].value.id' \
-         | grep -v '^root$'
-   }
-
-   get() {
-      local cache_key="notea cache $1"
-      if cache get "$cache_key"; then
-         return 0
-      fi
-      _get "$@" | cache put "$cache_key"
-   }
-
-   _get() {
-      ncurl $NOTEA_ADDR/api/notes/$1
-   }
-
-   "$@"
-)
-
-cache() (
-   path() {
-      echo "$CACHE/$(echo "$*" | base64)"
-   }
-   get() {
-      local path="$(path "$*")"
-      if ! [ -f "$path" ]; then
-         return 1
-      fi
-      if wc -c "$path" | grep -q '^[ ]*0[ ]*$'; then
-         return 1
-      fi
-      local created="$(date -r "$path" +%s)"
-      local now="$(date +%s)"
-      if ((now-created > CACHE_DURATION)); then
-         return 1
-      fi
-      cat "$path"
-   }
-   put() {
-      local path="$(path "$*")"
-      tee "$path"
-   }
-   "$@"
-)
-
-gitlab() (
-   is() {
-      echo "$*" | grep -q gitlab.app && ! echo "$*" | grep -q '/wiki/'
-   }
-
-   _gcurl() {
-      local cache_key="gitlab _gcurl $*"
-      if cache get "$cache_key"; then
-         return 0
-      fi
-      __gcurl "$@" | cache put "$cache_key"
-   }
-
-   __gcurl() {
-      curl -sS -H "Authorization: Bearer $GITLAB_PAT" "$@"
-   }
-
-   expand() {
-      local cache_key="gitlab expand $*"
-      if cache get "$cache_key"; then
-         return 0
-      fi
-      _expand "$@" | sort | cache put "$cache_key"
-   }
-
-   _expand() {
-      local url="$1"
-      local project="$(_url_to_project_root "$url" | head -n 1)"
-      local root="$(_url_to_project_root "$url" | tail -n 1)"
-      __expand "$project" "$root"
-   }
-
-   _url_to_project_root() {
-      local url="$1"
-      local url_path="${url#http*://gitlab*.net/}"
-      local project="${url_path%%/-/*}"
-      local root="${url_path#*/-/}"
-      local root="${root#tree/}"
-      local root="${root#blob/}"
-      local root="${root#*/}"
-      echo "$project"
-      echo "$root"
-   }
-
-   __expand() {
-      local project="$1"
-      local root="${2:-"/"}"
-
-      local b64_files=()
-      local b64_trees=("$root")
-      local i=0
-
-      find_each() {
-         local type="$1"
-         shift
-         echo "$*" \
-            | jq -c .[] \
-            | grep "\"type\":\"$type\"" \
-            | jq -r .path \
-            | while read -r line; do echo "$line" | base64; done \
-            | grep .
-      }
-      while [ "$i" -lt "${#b64_trees[@]}" ]; do
-         got="$(_list_tree "$project" "${b64_trees[i]}")"
-         for b64_tree in $(find_each "tree" "$got"); do
-            if ! echo "${b64_trees[@]}" | grep -q "[ ^]$b64_tree[ $]"; then
-               b64_trees+=("$b64_tree")
-            fi
-         done
-         for b64_file in $(find_each "blob" "$got"); do
-            if ! echo "${b64_files[@]}" | grep -q "[ ^]$b64_file[ $]"; then
-               b64_files+=("$b64_file")
-            fi
-         done
-         i=$((i+1))
-      done
-      for b64_file in "${b64_files[@]}"; do
-         echo "$b64_file" | base64 --decode
-      done
-   }
-
-   _list_tree() {
-      local project="$(urlencode "$1")"
-      local path="/api/v4/projects/$project/repository/tree"
-      local query="recursive=true&path=$2"
-      _gcurl "https://gitlab-app.eng.qops.net/$path?$query"
-   }
-
-   "$@"
-)
-
-urlencode() (
-    LC_COLLATE=C
-    local length="${#1}"
-    for (( i = 0; i < length; i++ )); do
-        local c="${1:$i:1}"
-        case $c in
-            [a-zA-Z0-9.~_-]) printf '%s' "$c" ;;
-            *) printf '%%%02X' "'$c" ;;
-        esac
-    done
-)
-
 if [ "$0" == "$BASH_SOURCE" ]; then
    main "$@"
 fi
diff --git a/app/crawler/notea.sh b/app/crawler/notea.sh
new file mode 100644
index 0000000..a91d969
--- /dev/null
+++ b/app/crawler/notea.sh
@@ -0,0 +1,29 @@
+#! /bin/bash
+
+notea() (
+   ncurl() {
+      curl -sS "$@"
+   }
+
+   ids() {
+      ncurl $NOTEA_ADDR/api/tree \
+         | jq -r '.items \
+         | to_entries[].value.id' \
+         | grep -v '^root$'
+   }
+
+   get() {
+      local cache_key="notea cache $1"
+      if cache get "$cache_key"; then
+         return 0
+      fi
+      _get "$@" | cache put "$cache_key"
+   }
+
+   _get() {
+      ncurl $NOTEA_ADDR/api/notes/$1
+   }
+
+   "$@"
+)
+