feat(script): add migration script for GitHub organization to Gitea

scripts/migrate_github_org_to_gitea.sh

@@ -0,0 +1,148 @@
+#!/usr/bin/env bash
+set -euo pipefail
+set +x
+
+# ====== Fill these values before running ======
+GITHUB_TOKEN="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"
+GITEA_TOKEN="1928666b31ab82a12a87a9050c764d0e534e2f21"
+
+GH_ORG="ai-camerist"
+GITEA_OWNER="banlv"
+GITEA_URL="https://gitea.banlv-ai.com"
+
+# Set to true if you want Gitea to keep pulling from GitHub after migration.
+MIRROR=false
+MIRROR_INTERVAL="8h"
+
+# Migrated repository options.
+MIGRATE_ISSUES=true
+MIGRATE_LABELS=true
+MIGRATE_MILESTONES=true
+MIGRATE_PULL_REQUESTS=true
+MIGRATE_RELEASES=true
+MIGRATE_WIKI=true
+MIGRATE_LFS=true
+
+require_cmd() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    echo "Missing required command: $1" >&2
+    exit 1
+  fi
+}
+
+api_get() {
+  curl -fsSL \
+    -H "Accept: application/vnd.github+json" \
+    -H "Authorization: Bearer ${GITHUB_TOKEN}" \
+    "$1"
+}
+
+gitea_repo_status() {
+  local repo_name="$1"
+
+  curl -sS -o /dev/null -w "%{http_code}" \
+    -H "Authorization: token ${GITEA_TOKEN}" \
+    "${GITEA_URL}/api/v1/repos/${GITEA_OWNER}/${repo_name}"
+}
+
+migrate_repo() {
+  local repo_json="$1"
+  local repo_name clone_url description private status payload
+
+  repo_name="$(echo "$repo_json" | jq -r '.name')"
+  clone_url="$(echo "$repo_json" | jq -r '.clone_url')"
+  description="$(echo "$repo_json" | jq -r '.description // ""')"
+  private="$(echo "$repo_json" | jq -r '.private')"
+
+  echo "==> Migrating ${GH_ORG}/${repo_name}"
+
+  status="$(gitea_repo_status "$repo_name")"
+  if [ "$status" = "200" ]; then
+    echo "    Skip existing repository: ${GITEA_OWNER}/${repo_name}"
+    return 0
+  fi
+
+  payload="$(jq -n \
+    --arg clone_addr "$clone_url" \
+    --arg repo_name "$repo_name" \
+    --arg repo_owner "$GITEA_OWNER" \
+    --arg description "$description" \
+    --arg auth_token "$GITHUB_TOKEN" \
+    --arg mirror_interval "$MIRROR_INTERVAL" \
+    --argjson private "$private" \
+    --argjson mirror "$MIRROR" \
+    --argjson issues "$MIGRATE_ISSUES" \
+    --argjson labels "$MIGRATE_LABELS" \
+    --argjson milestones "$MIGRATE_MILESTONES" \
+    --argjson pull_requests "$MIGRATE_PULL_REQUESTS" \
+    --argjson releases "$MIGRATE_RELEASES" \
+    --argjson wiki "$MIGRATE_WIKI" \
+    --argjson lfs "$MIGRATE_LFS" \
+    '{
+      service: "github",
+      clone_addr: $clone_addr,
+      repo_name: $repo_name,
+      repo_owner: $repo_owner,
+      description: $description,
+      auth_token: $auth_token,
+      private: $private,
+      issues: $issues,
+      labels: $labels,
+      milestones: $milestones,
+      pull_requests: $pull_requests,
+      releases: $releases,
+      wiki: $wiki,
+      lfs: $lfs,
+      mirror: $mirror,
+      mirror_interval: $mirror_interval
+    }')"
+
+  curl -fsSL -X POST \
+    -H "Authorization: token ${GITEA_TOKEN}" \
+    -H "Content-Type: application/json" \
+    -d "$payload" \
+    "${GITEA_URL}/api/v1/repos/migrate" >/dev/null
+
+  echo "    Done: ${GITEA_OWNER}/${repo_name}"
+}
+
+main() {
+  require_cmd curl
+  require_cmd jq
+
+  if [ "$GITHUB_TOKEN" = "ghp_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" ]; then
+    echo "Please edit GITHUB_TOKEN in this script first." >&2
+    exit 1
+  fi
+
+  if [ "$GITEA_TOKEN" = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" ]; then
+    echo "Please edit GITEA_TOKEN in this script first." >&2
+    exit 1
+  fi
+
+  local page repos_json count total
+  page=1
+  total=0
+
+  while true; do
+    echo "Fetching GitHub repositories page ${page}..."
+
+    repos_json="$(api_get "https://api.github.com/orgs/${GH_ORG}/repos?type=all&per_page=100&page=${page}&sort=full_name&direction=asc")"
+    count="$(echo "$repos_json" | jq 'length')"
+
+    if [ "$count" -eq 0 ]; then
+      break
+    fi
+
+    while IFS= read -r repo; do
+      migrate_repo "$repo"
+      total=$((total + 1))
+    done < <(echo "$repos_json" | jq -c '.[]')
+
+    page=$((page + 1))
+  done
+
+  echo "All done. Processed repositories: ${total}"
+}
+
+main "$@"