feat(user/bk-export-min-pubkeys):Add script to exp min pubkeys

diff --git a/user/bk-export-min-pubkeys.sh b/user/bk-export-min-pubkeys.sh
new file mode 100644 (file)
index 0000000..96b267d
--- /dev/null
+++ b/user/bk-export-min-pubkeys.sh
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+# Desc: Export each pubkey to a separate file
+# Usage: bk-export-min-pubkeys.sh
+# Version: 0.0.1
+
+time_now="$(date +%Y%m%dT%H%M%S%z)";
+dir_out="./$time_now..pubkeys";
+
+yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
+die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
+try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
+gpg_get_pubkey() {
+    # Desc: Output ascii-armored gpg pubkey via stdout
+    # Input: arg1: pgp long id
+    # Output: stdout: ascii-armored minimal-signature pgp key
+    # Example: gpg_get_pubkey 0xa0a295abdc3469c9
+    # Depends: gpg  2.2.12
+    local longid output;
+    longid="$1";
+
+    output="$(gpg --export --armor --export-options export-minimal "$longid")";
+    echo "$output";
+} # Output ascii-armored gpg pubkey via stdout
+main() {
+    # Create list of primary key fingerprints
+    list_longid="$(gpg --list-keys | grep "^pub" | awk '{print $2}' | cut -d'/' -f2)";
+
+    # Create output dir
+    path_out="$(readlink -f "$dir_out")";
+    yell "DEBUG:path_out:$path_out";
+    if [[ ! -d "$path_out" ]]; then
+       mkdir -p "$path_out";
+       yell "NOTICE:Creating output directory:$path_out";
+    fi;
+
+    # Iterate through list
+    while read -r longid; do
+       yell "STATUS:Exporting $longid";
+
+       # Export file
+       pubkey_ascii="$(try gpg_get_pubkey "$longid")";
+       yell "DEBUG:pubkey_ascii:$pubkey_ascii";
+       echo "$pubkey_ascii" > "$path_out"/"$longid".asc
+
+    done < <( echo "$list_longid" );
+}; # main program
+
+main "$@";
+
+# Author: Steven Baltaktei Sandoval
+# License: GPLv3+