291 lines
7.2 KiB
Bash
Executable File
291 lines
7.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Update one git repository per line in a list file.
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# Prompts once for a username and password and uses them for HTTPS remotes.
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# Continues after a failure and prints a summary when the batch finishes.
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#
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# The list path is required (--repos). Relative paths are resolved against
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# the directory that contains that file, not the caller's cwd.
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set -euo pipefail
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IFS=$'\n\t'
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REPOS_FILE=""
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GIT_USER=""
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GIT_PASS=""
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ASKPASS_FILE=""
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# ---------- logging ----------
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if [[ -t 1 ]]; then
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readonly C_INFO=$'\033[0;36m'
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readonly C_OK=$'\033[0;32m'
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readonly C_WARN=$'\033[0;33m'
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readonly C_ERR=$'\033[0;31m'
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readonly C_RESET=$'\033[0m'
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else
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readonly C_INFO="" C_OK="" C_WARN="" C_ERR="" C_RESET=""
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fi
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log() { printf '%s[INFO]%s %s\n' "$C_INFO" "$C_RESET" "$*"; }
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ok() { printf '%s[OK]%s %s\n' "$C_OK" "$C_RESET" "$*"; }
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warn() { printf '%s[WARN]%s %s\n' "$C_WARN" "$C_RESET" "$*" >&2; }
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err() { printf '%s[ERROR]%s %s\n' "$C_ERR" "$C_RESET" "$*" >&2; }
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die() { err "$*"; exit 1; }
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cleanup() {
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GIT_USER=""
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GIT_PASS=""
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unset GIT_USER GIT_PASS
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if [[ -n "${ASKPASS_FILE:-}" && -f "$ASKPASS_FILE" ]]; then
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rm -f "$ASKPASS_FILE"
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fi
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ASKPASS_FILE=""
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}
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on_error() {
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local exit_code=$?
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err "Script aborted on line ${BASH_LINENO[0]} (exit ${exit_code})."
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exit "$exit_code"
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}
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trap cleanup EXIT
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trap on_error ERR
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# ---------- helpers ----------
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usage() {
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cat <<EOF
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Usage: $(basename "$0") --repos FILE
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Run git pull once for every repository listed in FILE. A failure does not
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stop the batch. The exit code is 1 if any repository failed.
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The script asks for a username and password on the terminal and uses them
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for HTTPS remotes. They are not read from the command line or the list file.
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Required:
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--repos FILE Repository list. One path per line. Blank lines
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and lines starting with '#' are ignored. Relative
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paths resolve against the directory that contains
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FILE.
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Other:
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-h, --help Show this help
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Examples:
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$(basename "$0") --repos /srv/proyecto/repos.txt
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$(basename "$0") --repos ./repos.txt
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EOF
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}
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trim() {
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local value="$1"
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value="${value#"${value%%[![:space:]]*}"}"
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value="${value%"${value##*[![:space:]]}"}"
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value="${value%$'\r'}"
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printf '%s' "$value"
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}
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require_value() {
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[[ $# -ge 2 && -n "${2:-}" && "$2" != -* ]] \
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|| die "Missing value for $1"
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}
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resolve_repo() {
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local entry="$1"
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if [[ "$entry" == /* ]]; then
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printf '%s' "$entry"
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else
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printf '%s' "${REPOS_DIR}/${entry}"
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fi
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}
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# Collapse "." and ".." without requiring the path to exist.
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normalize_path() {
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local path="$1"
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local part joined=""
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local -a stack=()
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local old_ifs="$IFS"
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set -f
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IFS=/
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# shellcheck disable=SC2206
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local -a parts=($path)
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IFS="$old_ifs"
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set +f
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for part in "${parts[@]}"; do
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case "$part" in
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""|.) ;;
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..)
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if [[ ${#stack[@]} -gt 0 ]]; then
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unset 'stack[${#stack[@]}-1]'
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fi
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;;
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*) stack+=("$part") ;;
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esac
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done
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if [[ ${#stack[@]} -eq 0 ]]; then
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printf '/'
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return
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fi
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for part in "${stack[@]}"; do
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joined+="/${part}"
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done
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printf '%s' "$joined"
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}
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prompt_credentials() {
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local user="" pass=""
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[[ -r /dev/tty && -w /dev/tty ]] \
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|| die "A terminal is required to enter the username and password."
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read -r -p "Usuario: " user </dev/tty
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read -r -s -p "Contraseña: " pass </dev/tty
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printf '\n' >/dev/tty
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[[ -n "$user" && -n "$pass" ]] || die "Username and password are required."
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GIT_USER="$user"
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GIT_PASS="$pass"
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}
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write_askpass() {
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ASKPASS_FILE="$(mktemp "${TMPDIR:-/tmp}/git-update-askpass.XXXXXX")"
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cat >"$ASKPASS_FILE" <<'EOF'
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#!/bin/sh
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prompt=$(printf '%s' "${1:-}" | tr '[:upper:]' '[:lower:]')
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case "$prompt" in
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*username*) printf '%s\n' "${GIT_UPDATE_USER:-}" ;;
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*password*) printf '%s\n' "${GIT_UPDATE_PASS:-}" ;;
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*) exit 1 ;;
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esac
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EOF
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chmod 700 "$ASKPASS_FILE"
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}
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remote_uses_http() {
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local repo="$1"
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local upstream="" remote="" url=""
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upstream="$(git -C "$repo" rev-parse --abbrev-ref --symbolic-full-name '@{upstream}' 2>/dev/null || true)"
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[[ -n "$upstream" && "$upstream" == */* ]] || return 1
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remote="${upstream%%/*}"
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url="$(git -C "$repo" remote get-url "$remote" 2>/dev/null || true)"
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[[ "$url" == http://* || "$url" == https://* ]]
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}
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pull_repo() {
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local repo="$1"
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if remote_uses_http "$repo"; then
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GIT_ASKPASS="$ASKPASS_FILE" \
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GIT_TERMINAL_PROMPT=0 \
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GIT_UPDATE_USER="$GIT_USER" \
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GIT_UPDATE_PASS="$GIT_PASS" \
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git -C "$repo" -c credential.helper= pull
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else
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git -C "$repo" pull
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fi
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}
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# ---------- arg parsing ----------
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--repos)
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require_value "$@"
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REPOS_FILE="$2"
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shift 2
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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die "Unknown argument: $1 (use --help)"
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;;
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esac
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done
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[[ -n "$REPOS_FILE" ]] || die "Missing --repos FILE (use --help)."
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[[ -f "$REPOS_FILE" ]] || die "Repository list not found: ${REPOS_FILE}"
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REPOS_FILE="$(readlink -f "$REPOS_FILE")"
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REPOS_DIR="$(cd "$(dirname "$REPOS_FILE")" && pwd)"
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repos=()
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while IFS= read -r raw_line || [[ -n "$raw_line" ]]; do
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line="$(trim "$raw_line")"
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[[ -z "$line" || "$line" == \#* ]] && continue
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line="${line/#\~/$HOME}"
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repos+=("$line")
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done < "$REPOS_FILE"
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[[ ${#repos[@]} -gt 0 ]] || die "Repository list is empty: ${REPOS_FILE}"
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prompt_credentials
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write_askpass
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total="${#repos[@]}"
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index=0
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ok_count=0
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fail_count=0
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result_paths=()
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result_notes=()
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log "Repository list: ${REPOS_FILE}"
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log "Repositories: ${total}"
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for entry in "${repos[@]}"; do
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index=$((index + 1))
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resolved="$(normalize_path "$(resolve_repo "$entry")")"
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if [[ -d "$resolved" ]]; then
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resolved="$(cd "$resolved" && pwd)"
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fi
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printf '\n%s========== [%s/%s] %s ==========%s\n' \
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"$C_INFO" "$index" "$total" "$resolved" "$C_RESET"
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if [[ ! -d "$resolved" ]]; then
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err "Directory not found: ${resolved}"
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result_paths+=("$resolved")
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result_notes+=("not found")
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fail_count=$((fail_count + 1))
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continue
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fi
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toplevel="$(git -C "$resolved" rev-parse --show-toplevel 2>/dev/null || true)"
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if [[ -z "$toplevel" || "$(cd "$resolved" && pwd -P)" != "$(cd "$toplevel" && pwd -P)" ]]; then
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err "Not a git work tree: ${resolved}"
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result_paths+=("$resolved")
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result_notes+=("not a git work tree")
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fail_count=$((fail_count + 1))
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continue
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fi
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exit_code=0
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if pull_repo "$resolved"; then
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ok "Updated ${resolved}"
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result_paths+=("$resolved")
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result_notes+=("0")
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ok_count=$((ok_count + 1))
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else
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exit_code=$?
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err "Failed ${resolved} (exit ${exit_code})"
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result_paths+=("$resolved")
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result_notes+=("exit ${exit_code}")
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fail_count=$((fail_count + 1))
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fi
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done
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printf '\n%s========== Summary ==========%s\n' "$C_INFO" "$C_RESET"
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summary_index=0
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while [[ "$summary_index" -lt "$total" ]]; do
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note="${result_notes[$summary_index]}"
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path="${result_paths[$summary_index]}"
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if [[ "$note" == "0" ]]; then
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ok "${path}"
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else
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err "${path} (${note})"
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fi
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summary_index=$((summary_index + 1))
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done
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if [[ "$fail_count" -gt 0 ]]; then
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err "${ok_count} updated, ${fail_count} failed."
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exit 1
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fi
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ok "${ok_count} updated, 0 failed."
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