diff --git a/steps/discover.sh b/steps/discover.sh
index ed376869..4751706e 100755
--- a/steps/discover.sh
+++ b/steps/discover.sh
@@ -70,7 +70,7 @@ elif [ -z "${REPOS}" ] || [ ! -e "${REPOS}" ]; then
   rm "${csv}"
   mv "${nosamples}" "${csv}"
 
-  if [ -n "${GIGACHAT_API}" ] && [ -n "${GIGACHAT_MODEL}" ]; then
+  if [ -n "${GIGACHAT_KEY}" ] && [ -n "${GIGACHAT_MODEL}" ]; then
     maintained=${TARGET}/maintained.csv
       declare -a margs=( \
         "--repositories=${csv}" \
@@ -80,14 +80,13 @@ elif [ -z "${REPOS}" ] || [ ! -e "${REPOS}" ]; then
       )
     repo-reasoner filter-unmaintained "${margs[@]}"
     cp "${csv}" "${csv}.old"
-    echo "" > "${csv}"
-    head -n 1 "${maintained}" > "${csv}"
+    head -n 1 "${csv}.old" > "${csv}"
     while IFS=, read -r full_name default_branch created_at open_issues_count description topics stars forks size; do
       if [[ "${full_name}" == "full_name" ]]; then
         continue
       fi
       maintained_status=$(grep -m 1 "^${full_name}," "${maintained}" | cut -d ',' -f2)
-      if [ "${maintained_status}" == "yes" ]; then
+      if [[ "${maintained_status,,}" == "yes" ]]; then
         echo "${full_name},${default_branch},${created_at},${open_issues_count},${description},${topics},${stars},${forks},${size}" >> "${csv}"
       fi
     done < "${csv}.old"
diff --git a/tests/metrics/test-raf.sh b/tests/metrics/test-raf.sh
new file mode 100644
index 00000000..e0913b0a
--- /dev/null
+++ b/tests/metrics/test-raf.sh
@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+# The MIT License (MIT)
+#
+# Copyright (c) 2021-2025 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+set -e
+set -o pipefail
+
+temp=$1
+stdout=$2
+
+{
+  tmp=$(mktemp -d /tmp/XXXX)
+  cd "${tmp}"
+  touch "temp_file"
+  mkdir -p "${tmp}"
+  "${LOCAL}/metrics/raf.sh" "temp_file" "${temp}/stdout"
+  grep "RAF 0 " "${temp}/stdout"
+} > "${stdout}" 2>&1
+echo "👍🏻 Didn't fail in non-git directory"
+
+{
+  tmp=$(mktemp -d /tmp/XXXX)
+  cd "${tmp}"
+  rm -rf ./*
+  rm -rf .git
+  git init --quiet .
+  git config user.email 'foo@example.com'
+  git config user.name 'Foo'
+  file1="temp_file1"
+  file2="temp_file2"
+  file3="temp_file3"
+  touch "${file1}"
+  git add "${file1}"
+  git config commit.gpgsign false
+  GIT_COMMITTER_DATE="$(date -d "100 minutes ago")" git commit --date "100 minutes ago" --quiet -m "first"
+  "${LOCAL}/metrics/raf.sh" "${file1}" ./log1
+  touch "${file2}"
+  git add "${file2}"
+  GIT_COMMITTER_DATE="$(date -d "50 minutes ago")" git commit --date "50 minutes ago" --quiet -m "second"
+  "${LOCAL}/metrics/raf.sh" "${file2}" ./log2
+  touch "${file3}"
+  git add "${file3}"
+  git commit --quiet -m "third"
+  "${LOCAL}/metrics/raf.sh" "${file3}" ./log3
+  if ! grep "RAF 1.0" "log1"; then
+    echo "The RAF metric is wrong for '${file1}' (file created first):"
+    cat ./log1
+    exit 1
+  fi
+  if ! grep "RAF 0.5" "log2"; then
+    echo "The RAF metric is wrong for '${file2}' (file created exactly in the middle):"
+    cat ./log2
+    exit 1
+  fi
+  if ! grep "RAF 0.0" "log3"; then
+    echo "The RAF metric is wrong for '${file3}' (file created last):"
+    cat ./log3
+    exit 1
+  fi
+} > "${stdout}" 2>&1
+echo "👍🏻 Correctly calculated the Relative Age of File"