diff --git a/contrib/source-control-tools/land-patch.sh b/contrib/source-control-tools/land-patch.sh
--- a/contrib/source-control-tools/land-patch.sh
+++ b/contrib/source-control-tools/land-patch.sh
@@ -98,6 +98,39 @@
   fi
 fi
 
+# Temporarily stop verbose logging to prevent leaking CONDUIT_TOKEN
+set +x
+# Fetch user name and email
+WHOAMI_RESULT=$(curl "https://reviews.bitcoinabc.org/api/user.whoami" \
+  -d "api.token=${CONDUIT_TOKEN}") || {
+    echo "Error: Failed to fetch user info of committer."
+    echo "curl output:"
+    echo "${WHOAMI_RESULT}"
+    exit 30
+}
+set -x
+
+ERROR_INFO=$(echo "${WHOAMI_RESULT}" | jq '.error_info')
+if [ "${ERROR_INFO}" != "null" ]; then
+  echo "Conduit error while fetching 'whoami' of committer: ${ERROR_INFO}"
+  exit 31
+fi
+
+# Set git username and email so that committer information is preserved.
+GIT_COMMITTER_NAME=$(echo "${WHOAMI_RESULT}" | jq '.result.realName') || {
+  echo "Error: Failed to fetch committer name"
+  echo "The 'realName' field may be missing or malformed."
+  exit 32
+}
+export GIT_COMMITTER_NAME
+
+GIT_COMMITTER_EMAIL=$(echo "${WHOAMI_RESULT}" | jq '.result.primaryEmail') || {
+  echo "Error: Failed to fetch committer name"
+  echo "The 'primaryEmail' field may be missing or malformed."
+  exit 32
+}
+export GIT_COMMITTER_EMAIL
+
 # IMPORTANT NOTE: The patch is trusted past this point. It was either reviewed
 # and accepted or it was auto-generated.
 
@@ -118,7 +151,7 @@
   else
     # TODO: This will primarily be for scheduled, automated commits.
     echo "Error: Landing unreviewed patches is not supported yet."
-    exit 30
+    exit 80
   fi
 
   # TODO: Autogen (such as manpages, updating timings.json, copyright header, etc.)
@@ -136,7 +169,7 @@
   else
     # TODO: Push a git commit directly. This will primarily be for scheduled, automated commits.
     echo "Error: Pushing unreviewed patches is not supported yet."
-    exit 31
+    exit 81
   fi
 
   # This MUST be the last line to ensure no changes to this script on-disk can affect the execution