Comment 3 for bug 90546

gpg: Can't check signature: public key not found

jmoser@ubuntu-jm:~/mirror$ find .
.
jmoser@ubuntu-jm:~/mirror$ debmirror -p -v --nosource --passive -h ftp.ubuntu.com -r /ubuntu/ --method=ftp --dist=feist
y --section=main mirdir
Mirroring to mirdir from ftp://<email address hidden>//ubuntu//
Arches: i386
Dists: feisty
Sections: main
Passive mode on.
Will clean up AFTER mirroring.
Pdiff mode: use.
Attempting to get lock, this might take 2 minutes before it fails.
Get Release files.
[0%] Getting: dists/feisty/Release #
[0%] Getting: dists/feisty/Release.gpg #
gpg: Signature made Tue 17 Apr 2007 02:20:13 PM EDT using DSA key ID 437D05B5
gpg: Can't check signature: public key not found
Release signature does not verify.
Errors:
 Release signature does not verify.
Failed to download some Release or Release.gpg files!
WARNING: releasing 1 pending lock...
jmoser@ubuntu-jm:~/mirror$ find .
.
./mirdir
./mirdir/dists
./mirdir/dists/feisty
./mirdir/.temp
./mirdir/.temp/dists
./mirdir/.temp/dists/feisty
./mirdir/.temp/dists/feisty/Release.gpg
./mirdir/.temp/dists/feisty/Release
jmoser@ubuntu-jm:~/mirror$

Further investigation indicates possibility of needing to add the gpg key to the keyring, or something. I'm not sure anymore.