tlrc --update workaround

tlrc-update.sh

#!/usr/bin/env bash
# shellcheck source=/dev/null disable=SC2155
#=============================================================================
#     FileName : tlrc-update
#       Author : [email protected]
#      Created : 2025-02-13 13:44:36
#   LastChange : 2025-02-13 15:15:28
#  Description : workaround for `error: io: invalid peer certificate: UnknownIssuer`
#                @see https://github.com/tldr-pages/tlrc/issues/111#issuecomment-2657620327
#=============================================================================

set -euo pipefail

CACHE=''
PAGES='https://github.com/tldr-pages/tldr/releases/latest/download'

[[ 'Darwin' = "$(uname -s)" ]] && CACHE="$HOME/Library/Caches/tlrc"
[[ 'Darwin' = "$(uname -s)" ]] && export CURL_CA_BUNDLE="$(openssl version -d | awk -F'"' '{print $2}')/cert.pem"
[[ -z "${CACHE}" ]] && ( echo -e "\033[31;3mERROR: specified the \`CACHE\` path first\!\033[0m" >&2; exit 1 )

USAGE="""
To update the cache of tldr-pages
\nSYNOPSIS:
\n\t\033[32;1m\$ $(basename "$0") [ -u | --update ] [ -h | --help ]\033[0m
\nWorkaround for issue \033[35;3m\`error: io: invalid peer certificate: UnknownIssuer\`\033[0m
"""

function updateCache() {
  curl -o "${CACHE}/tldr.sha256sums" -fsSL "${PAGES}/tldr.sha256sums" --create-dirs

  while read -r -d' ' _name; do
    echo -e "\033[32;1m${_name} is in progress ...\033[0m"
    curl -o "${CACHE}/${_name}.zip" -fsSL "${PAGES}/${_name}.zip"
    if echo "$(awk "/${_name}.zip/ {print \$1}" "${CACHE}/tldr.sha256sums") ${CACHE}/${_name}.zip" | sha256sum --check >/dev/null; then
      unzip -q -o -d "${CACHE}/$(sed -r 's/^tldr-//' <<< "${_name}")" "${CACHE}/${_name}.zip"
    fi
  done < <(printf "%s " "tldr-pages tldr-pages.en tldr-pages.zh")
}

while [[ $# -gt 0 ]]; do
  case "$1" in
    -u | --update ) updateCache        ; exit $? ;;
    -h | --help   ) echo -e "${USAGE}" ; exit 0  ;;
                * ) break                        ;;
  esac
done

# vim:tabstop=2:softtabstop=2:shiftwidth=2:expandtab:filetype=sh

usage:

# -- install --
$ curl -O ~/.local/bin/tlrc-update \
       -fsSL https://gist.github.com/marslo/fc3399926b813c0e25cd823e50e6517b#file-tlrc-update-sh
$ chmod +x ~/.local/bin/tlrc-update

# -- usage --
# if `~/.local/bin` is in your PATH
$ tlrc-update --update
# if `~/.local/bin` NOT in your PATH
$ bash ~/.local/bin/tlrc-update --update

issue details: tldr-pages/tlrc#111 and tldr-pages/tlrc#75