3 # script to migrate fully from pubring.gpg to pubring.kbx
5 # Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
9 # This was written for the Debian project
15 # select the default GnuPG home directory to work from:
16 GHD=${GNUPGHOME:-${HOME:-$(getent passwd "$(id -u)" | cut -f6 -d:)}/.gnupg}
18 # Check that this is gnupg 2.1 or 2.2:
19 VERSION=$("$GPG" --version | head -n1 | cut -f3 -d\ | cut -f1,2 -d.)
20 if [ "$VERSION" != 2.1 ] && [ "$VERSION" != 2.2 ] ; then
21 printf '%s is version %s not version 2.1 or 2.2, this script might be wrong\n' "$GPG" "$VERSION" >&2
26 printf 'Usage: %s [GPGHOMEDIR|--default]
27 \tMigrate public keyring in GPGHOMEDIR from "classic" to "modern" GnuPG
28 \tusing %s version %s.
30 \t--default migrates the GnuPG home directory at "%s"
31 ' "$0" "$GPG" "$VERSION" "$GHD"
51 # ensure that there is a pubring.gpg to migrate:
52 if ! [ -f "$GHD/pubring.gpg" ]; then
53 printf 'There is no %s/pubring.gpg, no need to migrate\n' "$GHD" >&2
56 if ! [ -s "$GHD/pubring.gpg" ]; then
57 mv -- "$GHD/pubring.gpg" "$GHD/pubring.gpg.empty"
58 printf '%s/pubring.gpg was empty (and has been moved out of the way), no need to migrate\n' "$GHD" >&2
62 BACKUP="$(mktemp -d "$GHD/migrate-from-classic-backup.$(date +%F).XXXXXX")"
63 printf 'Migrating from:\n%s\n[Backing up to %s]\n' "$(ls -l "$GHD/pubring.gpg")" "$BACKUP" >&2
65 "$GPG" --export-ownertrust > "$BACKUP/ownertrust.txt"
66 mv "$GHD/pubring.gpg" "$BACKUP/"
67 "$GPG" --import-options import-local-sigs,keep-ownertrust,repair-pks-subkey-bug --import < "$BACKUP/pubring.gpg"
68 "$GPG" --import-ownertrust < "$BACKUP/ownertrust.txt"
69 "$GPG" --check-trustdb
71 if ! [ -f "$GHD/pubring.kbx" ]; then
72 printf 'No keybox was created at %s/pubring.kbx. Something went wrong!\n' "$GHD" >&2
76 printf 'Migration completed successfully:\n%s\n' "$(ls -l "$GHD/pubring.kbx")" >&2