From 6675601c81de85b40dc89772c1d6d17f1811c5ba Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <julian.klode@canonical.com>
Date: Fri, 5 Oct 2018 12:29:39 +0200
Subject: Set DPKG_FRONTEND_LOCKED when running {pre,post}-invoke scripts

Some post-invoke scripts install packages, which fails because
the environment variable is not set. This sets the variable for
all three kinds of scripts {pre,post-}invoke and pre-install-pkgs,
but we will only allow post-invoke at a later time.

Gbp-Dch: full
---
 apt-pkg/contrib/fileutl.cc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'apt-pkg/contrib')

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 85d7b36c7..eab05de4f 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -24,6 +24,7 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/macros.h>
+#include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/strutl.h>
 
@@ -101,6 +102,8 @@ bool RunScripts(const char *Cnf)
    // This is the child
    if (Child == 0)
    {
+      if (_system != nullptr && _system->IsLocked() == true && (stringcasecmp(Cnf, "dpkg::post-invoke") == 0 || stringcasecmp(Cnf, "dpkg::pre-invoke") == 0))
+	 setenv("DPKG_FRONTEND_LOCKED", "true", 1);
       if (_config->FindDir("DPkg::Chroot-Directory","/") != "/") 
       {
          std::cerr << "Chrooting into " 
-- 
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