From 2b879f461f83c1938e1787f0f1cbdd1233fac41e Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Mon, 21 Sep 2020 12:27:21 -0400
Subject: change gpg/sudo interaction

---
 selfpublish.sh | 37 ++++++++++++++++++++++++-------------
 1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/selfpublish.sh b/selfpublish.sh
index 6ebf36b..ac5ad09 100644
--- a/selfpublish.sh
+++ b/selfpublish.sh
@@ -192,41 +192,52 @@ get_home()
     [ "$1" ] && getent passwd "$1" | (IFS=: read _ _ _ _ _ h _; echo $h)
 }
 
+GPG()
+{
+    set -- gpg "$@"
+    if [ "$SUDO_USER" ]
+    then
+        su "$SUDO_USER" -c "$(bash -c 'printf "%q " "$@"' bash "$@")"
+    else
+        "$@"
+    fi
+}
 
 set -e
 
 # 1. GET CRYPTONOMIC UID
 cryptonomic_hostname=$(cryptonomic hostname)
 [ "$cryptonomic_hostname" ]
-username=$(id -un)
+
+if [ "$SUDO_USER" ]
+then
+    username=$SUDO_USER
+else
+    username=$(id -un)
+fi
 [ "$username" ]
 uid=${username}@${cryptonomic_hostname}
 
 # 2. CHECK IF EXISTING SECRET KEY
-if [ "$SUDO_USER" -a ! "$GNUPGHOME" ]
-then
-    GNUPGHOME=$(get_home "$SUDO_USER")/.gnupg
-    export GNUPGHOME
-fi
-t=$(gpg -K --with-colons)
+t=$(GPG -K --with-colons)
 if [ "$t" ]
 then
     # 3. CHECK IF EXISTING KEY HAS UID
-    if gpg -K --with-colons | find_secret_key_with_domain "${cryptonomic_hostname#*.}" | grep -q . && ! force
+    if GPG -K --with-colons | find_secret_key_with_domain "${cryptonomic_hostname#*.}" | grep -q . && ! force
     then
         exit
     fi
 
     # 4. ADD UID TO EXISTING KEY
-    gpg_default_key=$(gpg -K --with-colons | process_colons match_first_secret_key show_fpr)
+    gpg_default_key=$(GPG -K --with-colons | process_colons match_first_secret_key show_fpr)
     [ "$gpg_default_key" ]
-    gpg --quick-add-uid "$gpg_default_key" "$uid" || force
-    verbose gpg -K "$gpg_default_key"
+    GPG --quick-add-uid "$gpg_default_key" "$uid" || force
+    verbose GPG -K "$gpg_default_key"
     exit 0
 else
     # 2.5 GENERATE NEW KEY
-    gpg --batch --passphrase '' --quick-generate-key "$uid"
-    verbose gpg -K "$uid"
+    GPG --batch --passphrase '' --quick-generate-key "$uid"
+    verbose GPG -K "$uid"
     exit 0
 fi
 EOF
-- 
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