merged -r 1923..1926 from lp:~donkult/apt/sid

[apt.git] / cmdline / apt-key

diff --git a/cmdline/apt-key b/cmdline/apt-key
index bf1a5fefb2bc97477dd4621e151812dce0a0ad1b..5f4e02fdf03975bdda0a02c80f0efdb46efa0593 100755 (executable)
--- a/cmdline/apt-key
+++ b/cmdline/apt-key
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 set -e
+unset GREP_OPTIONS
 
 # We don't use a secret keyring, of course, but gpg panics and
 # implodes if there isn't one available
@@ -86,19 +87,23 @@ update() {
     # add new keys from the package;
 
     # we do not use add_keys_with_verify_against_master_keyring here,
-    # because we "update" is run on regular package updates.  A
+    # because "update" is run on regular package updates.  A
     # attacker might as well replace the master-archive-keyring file
     # in the package and add his own keys. so this check wouldn't
     # add any security. we *need* this check on net-update though
     $GPG_CMD --quiet --batch --keyring $ARCHIVE_KEYRING --export | $GPG --import
 
-    # remove no-longer supported/used keys
-    keys=`$GPG_CMD --keyring $REMOVED_KEYS --with-colons --list-keys | grep ^pub | cut -d: -f5`
-    for key in $keys; do
-       if $GPG --list-keys --with-colons | grep ^pub | cut -d: -f5 | grep -q $key; then
-           $GPG --quiet --batch --delete-key --yes ${key}
-       fi
-    done
+    if [ -r "$REMOVED_KEYS" ]; then
+       # remove no-longer supported/used keys
+       keys=`$GPG_CMD --keyring $REMOVED_KEYS --with-colons --list-keys | grep ^pub | cut -d: -f5`
+       for key in $keys; do
+           if $GPG --list-keys --with-colons | grep ^pub | cut -d: -f5 | grep -q $key; then
+               $GPG --quiet --batch --delete-key --yes ${key}
+           fi
+       done
+    else
+       echo "Warning: removed keys keyring  $REMOVED_KEYS missing or not readable" >&2
+    fi
 }
 
 
@@ -114,6 +119,8 @@ usage() {
     echo "  apt-key update              - update keys using the keyring package"
     echo "  apt-key net-update          - update keys using the network"
     echo "  apt-key list                - list keys"
+    echo "  apt-key finger              - list fingerprints"
+    echo "  apt-key adv                 - pass advanced options to gpg (download key)"
     echo
 }