Add 'download' command (Fate#317077)

Download rpms specified on the commandline to a local directory.

doc/zypper.8

@@ -1626,6 +1626,31 @@ of all licenses uses by the installed packages.
 This command can be useful for companies redistributiong a custom
 distribution (like appliances) to figure out what licenses they are bound by.
 
+.TP
+.B download
+Download rpms specified on the commandline to a local directory.
+
+Per default packages are downloaded to the libzypp package cache
+(/var/cache/zypp/packages), but this can be changed by using the
+global \fI--pkg-cache-dir\fR option.
+
+In XML output a \fB<download-result>\fR node is written for each
+package zypper tried to downlad. Upon success the local path is
+is found in \fBdownload-result/localpath@path\fR.
+
+.TP
+.I \-d, \-\-directory <dir>
+Download all source rpms to this directory. Default is \fB/var/cache/zypper/source-download\fR.
+
+.TP
+.I \-\-all-matches
+Download all versions matching the commandline arguments. Otherwise only the best version of
+each matching package is downloaded.
+
+.TP
+.I \-\-dry-run
+Don't download any package, just report what would be done.
+
 .TP
 .B source-download
 Download source rpms for all installed packages to a local directory.

src/CMakeLists.txt

@@ -19,6 +19,7 @@ SET (zypper_HEADERS
   Table.h
   locks.h
   update.h
+  download.h
   source-download.h
   solve-commit.h
   PackageArgs.h
@@ -42,6 +43,7 @@ SET( zypper_SRCS
   Table.cc
   locks.cc
   update.cc
+  download.cc
   source-download.cc
   solve-commit.cc
   PackageArgs.cc

src/Command.cc

@@ -78,6 +78,7 @@ namespace
       _T( VERSION_CMP_e )	| "versioncmp"		| "vcmp";
       _T( LICENSES_e )		| "licenses";
       _T( PS_e )		| "ps";
+      _T( DOWNLOAD_e )		| "download";
       _T( SOURCE_DOWNLOAD_e )	| "source-download";
 
       _T( HELP_e )		| "help"		| "?";
@@ -152,6 +153,7 @@ DEF_ZYPPER_COMMAND( TARGET_OS );
 DEF_ZYPPER_COMMAND( VERSION_CMP );
 DEF_ZYPPER_COMMAND( LICENSES );
 DEF_ZYPPER_COMMAND( PS );
+DEF_ZYPPER_COMMAND( DOWNLOAD );
 DEF_ZYPPER_COMMAND( SOURCE_DOWNLOAD );
 
 DEF_ZYPPER_COMMAND( HELP );

src/Command.h

@@ -68,6 +68,7 @@ struct ZypperCommand
   static const ZypperCommand VERSION_CMP;
   static const ZypperCommand LICENSES;
   static const ZypperCommand PS;
+  static const ZypperCommand DOWNLOAD;
   static const ZypperCommand SOURCE_DOWNLOAD;
 
   static const ZypperCommand HELP;
@@ -141,6 +142,7 @@ struct ZypperCommand
     VERSION_CMP_e,
     LICENSES_e,
     PS_e,
+    DOWNLOAD_e,
     SOURCE_DOWNLOAD_e,
 
     HELP_e,

src/Zypper.cc

@@ -56,6 +56,7 @@
 #include "locks.h"
 #include "search.h"
 #include "info.h"
+#include "download.h"
 #include "source-download.h"
 
 #include "output/OutNormal.h"
@@ -272,6 +273,7 @@ void print_main_help(Zypper & zypper)
     "\ttargetos, tos\t\tPrint the target operating system ID string.\n"
     "\tlicenses\t\tPrint report about licenses and EULAs of\n"
     "\t\t\t\tinstalled packages.\n"
+    "\tdownload\t\tDownload rpms specified on the commandline to a local directory.\n"
     "\tsource-download\t\tDownload source rpms for all installed packages\n"
     "\t\t\t\tto a local directory.\n"
   );
@@ -2480,6 +2482,40 @@ void Zypper::processCommandOptions()
   }
 
 
+  case ZypperCommand::DOWNLOAD_e:
+  {
+    shared_ptr<DownloadOptions> myOpts( new DownloadOptions() );
+    _commandOptions = myOpts;
+    static struct option options[] =
+    {
+      {"help",			no_argument,		0, 'h'},
+      {"all-matches",		no_argument,		&myOpts->_allmatches, 1},
+      {"dry-run",		no_argument,		&myOpts->_dryrun, 1},
+      {0, 0, 0, 0}
+    };
+    specific_options = options;
+    _command_help = _(
+      "download [options] <packages>...\n"
+      "\n"
+      "Download rpms specified on the commandline to a local directory.\n"
+      "Per default packages are downloaded to the libzypp package cache\n"
+      "(/var/cache/zypp/packages), but this can be changed by using the\n"
+      "global --pkg-cache-dir option.\n"
+      "In XML output a <download-result> node is written for each\n"
+      "package zypper tried to downlad. Upon success the local path is\n"
+      "is found in 'download-result/localpath@path'.\n"
+      "\n"
+      "  Command options:\n"
+      "--all-matches        Download all versions matching the commandline\n"
+      "                     arguments. Otherwise only the best version of\n"
+      "                     each matching package is downloaded.\n"
+      "--dry-run            Don't download any package, just report what\n"
+      "                     would be done.\n"
+    );
+    break;
+  }
+
+
   case ZypperCommand::SOURCE_DOWNLOAD_e:
   {
     shared_ptr<SourceDownloadOptions> myOpts( new SourceDownloadOptions() );
@@ -4879,6 +4915,36 @@ void Zypper::doCommand()
     break;
   }
 
+
+  case ZypperCommand::DOWNLOAD_e:
+  {
+    if (runningHelp()) { out().info(_command_help, Out::QUIET); return; }
+
+    if (_arguments.empty())
+    {
+      report_required_arg_missing(out(), _command_help);
+      setExitCode(ZYPPER_EXIT_ERR_INVALID_ARGS);
+      return;
+    }
+
+    init_target( *this );
+    initRepoManager();
+    init_repos( *this );
+    if ( exitCode() != ZYPPER_EXIT_OK )
+      return;
+    // now load resolvables:
+    load_resolvables( *this );
+
+    shared_ptr<DownloadOptions> myOpts( assertCommandOptions<DownloadOptions>() );
+
+    if ( _copts.count( "dry-run" ) )
+      myOpts->_dryrun = true;
+
+    download( *this );
+    break;
+  }
+
+
   case ZypperCommand::SOURCE_DOWNLOAD_e:
   {
     if (runningHelp()) { out().info(_command_help, Out::QUIET); return; }