user/bk-export-min-pubkeys.sh

   1 #!/usr/bin/env bash
   2 # Desc: Export each pubkey to a separate file
   3 # Usage: bk-export-min-pubkeys.sh
   4 # Version: 0.0.1
   5
   6 time_now="$(date +%Y%m%dT%H%M%S%z)";
   7 dir_out="./$time_now..pubkeys";
   8
   9 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
  10 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
  11 try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
  12 gpg_get_pubkey() {
  13     # Desc: Output ascii-armored gpg pubkey via stdout
  14     # Input: arg1: pgp long id
  15     # Output: stdout: ascii-armored minimal-signature pgp key
  16     # Example: gpg_get_pubkey 0xa0a295abdc3469c9
  17     # Depends: gpg  2.2.12
  18     local longid output;
  19     longid="$1";
  20
  21     output="$(gpg --export --armor --export-options export-minimal "$longid")";
  22     echo "$output";
  23 } # Output ascii-armored gpg pubkey via stdout
  24 main() {
  25     # Create list of primary key fingerprints
  26     list_longid="$(gpg --list-keys | grep "^pub" | awk '{print $2}' | cut -d'/' -f2)";
  27
  28     # Create output dir
  29     path_out="$(readlink -f "$dir_out")";
  30     yell "DEBUG:path_out:$path_out";
  31     if [[ ! -d "$path_out" ]]; then
  32         mkdir -p "$path_out";
  33         yell "NOTICE:Creating output directory:$path_out";
  34     fi;
  35
  36     # Iterate through list
  37     while read -r longid; do
  38         yell "STATUS:Exporting $longid";
  39
  40         # Export file
  41         pubkey_ascii="$(try gpg_get_pubkey "$longid")";
  42         yell "DEBUG:pubkey_ascii:$pubkey_ascii";
  43         echo "$pubkey_ascii" > "$path_out"/"$longid".asc
  44
  45     done < <( echo "$list_longid" );
  46 }; # main program
  47
  48 main "$@";
  49
  50 # Author: Steven Baltaktei Sandoval
  51 # License: GPLv3+