source-origin.func

#!/usr/bin/env bash
# Copyright (c) 2021-2026 community-scripts ORG
# License: MIT | https://github.com/community-scripts/ProxmoxVED/raw/main/LICENSE

# ==============================================================================
# SOURCE-ORIGIN.FUNC — Git remote → COMMUNITY_SCRIPTS_URL helpers
# ==============================================================================
# Loaded by core/build.func when running from a local checkout.
# CT scripts do NOT source this directly — they use a one-liner to build.func.
#
# Explicit COMMUNITY_SCRIPTS_URL / COMMUNITY_SCRIPTS_DIR overrides always win.
# ==============================================================================

[[ -n "${_CS_SOURCE_ORIGIN_LOADED:-}" ]] && return
_CS_SOURCE_ORIGIN_LOADED=1

cs_git_remote_to_raw_base() {
  # arg: git remote URL, branch → stdout: raw content base (no trailing slash)
  local remote="${1:-}" branch="${2:-main}"
  local owner repo host

  [[ -z "$remote" ]] && return 1
  remote="${remote%.git}"

  # git@github.com:owner/repo  |  https://github.com/owner/repo
  if [[ "$remote" =~ git@github\.com:([^/]+)/([^/]+)$ ]] ||
    [[ "$remote" =~ https?://github\.com/([^/]+)/([^/]+)$ ]] ||
    [[ "$remote" =~ ssh://git@github\.com/([^/]+)/([^/]+)$ ]]; then
    owner="${BASH_REMATCH[1]}"
    repo="${BASH_REMATCH[2]}"
    echo "https://raw.githubusercontent.com/${owner}/${repo}/${branch}"
    return 0
  fi

  # Gitea: https://git.community-scripts.org/owner/repo
  # raw:   https://git.community-scripts.org/owner/repo/raw/branch/<branch>
  if [[ "$remote" =~ https?://([^/]+)/([^/]+)/([^/]+)$ ]]; then
    host="${BASH_REMATCH[1]}"
    owner="${BASH_REMATCH[2]}"
    repo="${BASH_REMATCH[3]}"
    case "$host" in
    git.community-scripts.org | gitea.* | *.gitea.*)
      echo "https://${host}/${owner}/${repo}/raw/branch/${branch}"
      return 0
      ;;
    esac
  fi

  return 1
}

cs_detect_origin_from_git() {
  local root="${1:-}"
  local remote branch ref url
  [[ -z "$root" || ! -d "$root" ]] && return 1
  command -v git >/dev/null 2>&1 || return 1
  [[ -d "$root/.git" || -f "$root/.git" ]] || return 1

  remote="$(git -C "$root" remote get-url origin 2>/dev/null || true)"
  [[ -z "$remote" ]] && return 1

  branch="$(git -C "$root" rev-parse --abbrev-ref HEAD 2>/dev/null || echo HEAD)"
  if [[ "$branch" == "HEAD" ]]; then
    ref="$(git -C "$root" rev-parse --short HEAD 2>/dev/null || true)"
    [[ -n "$ref" ]] && branch="$ref"
  fi
  [[ -z "$branch" ]] && branch="main"

  url="$(cs_git_remote_to_raw_base "$remote" "$branch" 2>/dev/null || true)"
  [[ -z "$url" ]] && return 1
  echo "$url"
  return 0
}