From c19a3276fe7ecfc132e95b0277e9e68ff364dd92 Mon Sep 17 00:00:00 2001
From: Nicolas Schier <nicolas@fjasle.eu>
Date: Thu, 27 Feb 2020 05:04:54 +0100
Subject: Support marking all newly installed packages as automatically
 installed

Add option '--mark-auto' to 'apt install' that marks all newly installed
packages as automatically installed.

Signed-off-by: Nicolas Schier <nicolas@fjasle.eu>
---
 apt-pkg/depcache.cc             |  3 ++-
 apt-private/private-cmndline.cc |  1 +
 doc/apt-get.8.xml               | 10 ++++++++++
 doc/examples/configure-index    |  1 +
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 2eac1ba41..f90a41e22 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -1156,6 +1156,7 @@ struct CompareProviders							/*{{{*/
 									/*}}}*/
 bool pkgDepCache::MarkInstall_StateChange(pkgCache::PkgIterator const &Pkg, bool AutoInst, bool FromUser) /*{{{*/
 {
+   bool AlwaysMarkAsAuto = _config->FindB("APT::Get::Mark-Auto", false) == true;
    auto &P = (*this)[Pkg];
    if (P.Protect() && P.InstallVer == P.CandidateVer)
       return true;
@@ -1171,7 +1172,7 @@ bool pkgDepCache::MarkInstall_StateChange(pkgCache::PkgIterator const &Pkg, bool
    P.Mode = pkgDepCache::ModeInstall;
    P.InstallVer = P.CandidateVer;
 
-   if(FromUser)
+   if(FromUser && !AlwaysMarkAsAuto)
      {
        // Set it to manual if it's a new install or already installed,
        // but only if its not marked by the autoremover (aptitude depend on this behavior)
diff --git a/apt-private/private-cmndline.cc b/apt-private/private-cmndline.cc
index 478cb95f1..bcafe785b 100644
--- a/apt-private/private-cmndline.cc
+++ b/apt-private/private-cmndline.cc
@@ -276,6 +276,7 @@ static bool addArgumentsAPTGet(std::vector<CommandLine::Args> &Args, char const
    addArg(0,"force-yes","APT::Get::force-yes",0);
    addArg(0,"print-uris","APT::Get::Print-URIs",0);
    addArg(0,"trivial-only","APT::Get::Trivial-Only",0);
+   addArg(0,"mark-auto","APT::Get::Mark-Auto",0);
    addArg(0,"remove","APT::Get::Remove",0);
    addArg(0,"only-source","APT::Get::Only-Source",0);
    addArg(0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0);
diff --git a/doc/apt-get.8.xml b/doc/apt-get.8.xml
index e603ec5bb..a7b786dfe 100644
--- a/doc/apt-get.8.xml
+++ b/doc/apt-get.8.xml
@@ -545,6 +545,16 @@
      Configuration Item: <literal>APT::Get::Trivial-Only</literal>.</para></listitem>
      </varlistentry>
 
+     <varlistentry><term><option>--mark-auto</option></term>
+     <listitem><para>
+     After successful installation, mark all freshly installed packages as
+     automatically installed, which will cause each of the packages to be
+     removed when no more manually installed packages depend on this package.
+     This is equally to running <command>apt-mark auto</command> for all
+     installed packages.
+     Configuration Item: <literal>APT::Get::Mark-Auto</literal>.</para></listitem>
+     </varlistentry>
+
      <varlistentry><term><option>--no-remove</option></term>
      <listitem><para>If any packages are to be removed apt-get immediately aborts without
      prompting. 
diff --git a/doc/examples/configure-index b/doc/examples/configure-index
index 47715a9e1..9e02f0b13 100644
--- a/doc/examples/configure-index
+++ b/doc/examples/configure-index
@@ -73,6 +73,7 @@ APT
      Assume-Yes "<BOOL>"; // not as dangerous, but use with care still
      Assume-No "<BOOL>";
      Trivial-Only "<BOOL>";
+     Mark-Auto "<BOOL>";
      Remove "<BOOL>";
      AllowUnauthenticated "<BOOL>"; // skip security
 
-- 
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