diff --git a/shell/gh-repo.sh b/shell/gh-repo.sh
index af69115..ea31405 100755
--- a/shell/gh-repo.sh
+++ b/shell/gh-repo.sh
@@ -5,9 +5,10 @@
 
 set -eo pipefail
 me=$(basename "$0")
+dist="dist/${me%.*}"
 
-GH_REPO_ORGS="example"
-GH_REPO_DIST="dist/${me%.*}"
+GH_REPO_ORGS="${GH_REPO_ORGS:-example}"
+GH_REPO_DIST="${GH_REPO_DIST:-$dist}"
 
 mkdir -p "${GH_REPO_DIST}"
 
diff --git a/shell/gitea-batchmerge.sh b/shell/gitea-batchmerge.sh
old mode 100644
new mode 100755
index d169ff1..af284d3
--- a/shell/gitea-batchmerge.sh
+++ b/shell/gitea-batchmerge.sh
@@ -4,10 +4,10 @@
 
 set -eo pipefail
 
-GITEA_SERVER=https://gitea.example.com
-GITEA_TOKEN=my-private-token
-GITEA_USER="gitea"
-GITEA_PR_TITLE=
+GITEA_SERVER="${GITEA_SERVER:-https://gitea.example.com}"
+GITEA_TOKEN="${GITEA_TOKEN:-my-private-token}"
+GITEA_USER="${GITEA_USER:-gitea}"
+GITEA_PR_TITLE="${GITEA_PR_TITLE:-}"
 
 http "${GITEA_SERVER}/api/v1/user" 'Authorization:token '"${GITEA_TOKEN}"''