Test suite: Introduce setup/gnupg

To work around #841143 and improve performance by amortising gnupg
migration cost.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

4 files changed, 23 insertions, 5 deletions

diff --git a/debian/changelog b/debian/changelog
index 571ab67..5543389 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,8 @@ dgit (2.5~) unstable; urgency=medium
 
   * dgit-maint-merge(7): New tutorial manpage from Sean Whitton.
   * Test suite bugfixes.
+  * Test suite: Introduce setup/gnupg, to work around #841143
+    and improve performance by amortising gnupg migration cost.
 
  --
 
diff --git a/tests/lib b/tests/lib
index 3fe3ab0..39763c6 100644
--- a/tests/lib
+++ b/tests/lib
@@ -55,10 +55,6 @@ env -0 >$tmp/.save-env
 
 ln -f $troot/ssh ssh
 
-mkdir -p $tmp/gnupg
-cp $troot/gnupg/* $tmp/gnupg
-chmod go-rw $tmp/gnupg/*
-
 export DEBCHANGE_VENDOR=dpkg
 
 mkdir -p $tmp/incoming
@@ -937,3 +933,8 @@ t-alt-test () {
 	t-${t%%-*}
 	t-chain-test "${t#*-}"
 }
+
+case "$0" in
+*/gnupg) ;;
+*)	t-setup-import gnupg	;;
+esac
diff --git a/tests/lib-core b/tests/lib-core
index b01a6ea..056a1bc 100644
--- a/tests/lib-core
+++ b/tests/lib-core
@@ -19,7 +19,7 @@ t-set-using-tmp () {
 	export HOME=$tmp
 	export DGIT_TEST_DUMMY_DIR=$tmp
 	export DGIT_TEST_TMP=$tmp
-	export GNUPGHOME=$tmp/gnupg
+	export GNUPGHOME=$tmp/nonexistent
 }
 
 t-filter-out-git-hyphen-dir () {
diff --git a/tests/setup/gnupg b/tests/setup/gnupg
new file mode 100755
index 0000000..97cdb64
--- /dev/null
+++ b/tests/setup/gnupg
@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+. tests/lib
+
+mkdir -p $tmp/gnupg
+cp $troot/gnupg/* $tmp/gnupg
+chmod go-rw $tmp/gnupg/*
+
+export GNUPGHOME=$tmp/gnupg
+
+gpg --list-secret
+
+t-setup-done 'GNUPGHOME' 'gnupg'
+
+echo ok.