From f97dd58a298cf337a1fffa00d3733256d21d2d8f Mon Sep 17 00:00:00 2001
From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Date: Thu, 6 May 2010 22:25:28 -0400
Subject: reporting new expiration date when key expiry is updated (closes MS
 #2291)

---
 src/share/mh/set_expire | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

(limited to 'src/share')

diff --git a/src/share/mh/set_expire b/src/share/mh/set_expire
index 68a8dfd..f9a5507 100644
--- a/src/share/mh/set_expire
+++ b/src/share/mh/set_expire
@@ -19,20 +19,25 @@ set_expire() {
 local extendBy
 local keyID
 
-if [ -z "$1" ] ; then
-    cat <<EOF >&2
-Must specify expiration.  The possibilities are:
+local formatMsg='
+The possibilities are:
     0 = key does not expire
  <n>  = key expires in n days
  <n>w = key expires in n weeks
  <n>m = key expires in n months
- <n>y = key expires in n years
-EOF
-    failure
+ <n>y = key expires in n years'
+
+
+if [ -z "$1" ] ; then
+    failure "Must specify expiration.$formatMsg"
 fi
 extendBy="$1"
 shift
 
+if ! <<<"$extendBy" egrep -q '^[[:digit:]]+[wmy]?$' ; then
+    failure "'$extendBy' is not a valid expiration date.$formatMsg"
+fi
+
 keyID=$(check_key_input "$@")
 
 if [ "$PROMPT" != "false" ] ; then
@@ -55,6 +60,16 @@ EOF
 
 update_pgp_pub_file
 
+if [ 0 == "$extendBy" ] ; then 
+    log info "Key ${keyID} no longer expires."
+else
+    if expiry=$(gpg_host_list_keys "${keyID}" | grep ^pub: | head -n1 | cut -f7 -d: ) ; then
+        log info "Key ${keyID} now expires at $(date '+%F %T' --date "1970-01-01 0:00 UTC + ${expiry} seconds")"
+    else
+        log error "Failed to retrieve new expiration date for key ${keyID}"
+    fi
+fi
+
 log info <<EOF
 NOTE: Key expiration date adjusted, but not yet published.
 Run '$PGRM publish-key' to publish the new expiration date.
-- 
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