snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

tools/deploy-branch

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+function error_out() {
+    echo -en '\e[0;31m'
+    echo "$1"
+    echo -en '\e[0m'
+    exit 1
+}
+
+[ -z "$(git status --porcelain --untracked-files=no)" ] || error_out "Working directory or index not clean"
+
+old_ref=$(git rev-list --max-count=1 HEAD)
+branch=${1-}
+[ -z "$branch" ] && error_out "You must specify a branch name to deploy"
+
+branch_ref=$(git rev-list --max-count=1 "$branch") || error_out "Unknown branch: $branch"
+
+if [ "$old_ref" == "$branch_ref" ]; then
+    new_ref=main
+else
+    if ref_name=$(git describe --all --exact "$old_ref"); then
+        new_ref=$(echo "$ref_name" | perl -pe 's{^(heads|remotes)/}{}')
+    else
+        new_ref=$old_ref
+    fi
+fi
+
+git fetch -p
+
+git rebase origin/main "$branch" || error_out "Rebase onto origin/main failed"
+
+git push . HEAD:main
+git push origin main || error_out "Push of main to origin/main failed"
+
+git checkout "$new_ref"
+git branch -D "$branch"
+git push origin ":$branch"