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| -rwxr-xr-x | localgpgcleankeyring | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/localgpgcleankeyring b/localgpgcleankeyring new file mode 100755 index 0000000..0662135 --- /dev/null +++ b/localgpgcleankeyring @@ -0,0 +1,39 @@ +#!/bin/bash +# clean_keyring.sh - clean up all the excess keys + +# origin: https://scruss.com/blog/2013/05/12/clean-up-your-gnupg-keyring/ + +# my key should probably be the first secret key listed +mykey=$(gpg --list-secret-keys | grep '^sec' | cut -c 13-20 | head -1) +if + [ -z $mykey ] +then + # exit if no key string + echo "Can't get user's key ID" + exit 1 +fi + +# all of the people who have signed my key +mysigners=$(gpg --list-sigs $mykey | grep '^sig' | cut -c 14-21 | sort -u) + +# keep all of the signers, plus my key (if I haven't self-signed) +keepers=$(echo $mykey $mysigners | tr ' ' '\012' | sort -u) + +# the keepers list in egrep syntax: ^(key|key|…) +keepers_egrep=$(echo $keepers | sed 's/^/^(/; s/$/)/; s/ /|/g;') + +# show all the keepers as a comment so this script's output is shell-able +echo '# Keepers: ' $keepers + +# everyone who isn't on the keepers list is deleted +deleters=$(gpg --list-keys | grep '^pub'| cut -c 13-20 | egrep -v ${keepers_egrep}) + +# echo the command if there are any to delete +# command is interactive +if + [ -z $deleters ] +then + echo "# Nothing to delete!" +else + echo 'gpg --delete-keys' $deleters +fi |