From f0463978ddbcfd963819022c2da8e04ff310720c Mon Sep 17 00:00:00 2001
From: pixdamix <pixdamix@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>
Date: Tue, 05 Jan 2010 12:18:04 -0500
Subject: Add an option to download packages but do not install/upgrade anything

git-svn-id: http://opkg.googlecode.com/svn/trunk@512 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
---
diff --git a/libopkg/opkg_conf.c b/libopkg/opkg_conf.c
index 9c02cbd..bcc79ed 100644
--- a/libopkg/opkg_conf.c
+++ b/libopkg/opkg_conf.c
@@ -59,6 +59,7 @@ opkg_option_t options[] = {
 	  { "no_proxy", OPKG_OPT_TYPE_STRING, &_conf.no_proxy },
 	  { "test", OPKG_OPT_TYPE_BOOL, &_conf.noaction },
 	  { "noaction", OPKG_OPT_TYPE_BOOL, &_conf.noaction },
+	  { "download_only", OPKG_OPT_TYPE_BOOL, &_conf.download_only },
 	  { "nodeps", OPKG_OPT_TYPE_BOOL, &_conf.nodeps },
 	  { "offline_root", OPKG_OPT_TYPE_STRING, &_conf.offline_root },
 	  { "proxy_passwd", OPKG_OPT_TYPE_STRING, &_conf.proxy_passwd },
diff --git a/libopkg/opkg_conf.h b/libopkg/opkg_conf.h
index 092686c..0925b81 100644
--- a/libopkg/opkg_conf.h
+++ b/libopkg/opkg_conf.h
@@ -79,6 +79,7 @@ struct opkg_conf
      int query_all;
      int verbosity;
      int noaction;
+     int download_only;
      char *cache;
 
 #ifdef HAVE_SSLCURL
diff --git a/libopkg/opkg_install.c b/libopkg/opkg_install.c
index 2ee240f..5472ca2 100644
--- a/libopkg/opkg_install.c
+++ b/libopkg/opkg_install.c
@@ -453,25 +453,29 @@ opkg_install_check_downgrade(pkg_t *pkg, pkg_t *old_pkg, int message)
           } 
 
 	  if (cmp > 0) {
-	       opkg_msg(NOTICE,
-			    "Not downgrading package %s on %s from %s to %s.\n",
-			    old_pkg->name, old_pkg->dest->name, old_version, new_version);
+              if(!conf->download_only)
+                  opkg_msg(NOTICE,
+                          "Not downgrading package %s on %s from %s to %s.\n",
+                          old_pkg->name, old_pkg->dest->name, old_version, new_version);
 	       rc = 1;
 	  } else if (cmp < 0) {
-	       opkg_msg(NOTICE, "%s%s on %s from %s to %s...\n",
-			    message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
+              if(!conf->download_only)
+                  opkg_msg(NOTICE, "%s%s on %s from %s to %s...\n",
+                          message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
 	       pkg->dest = old_pkg->dest;
 	       rc = 0;
 	  } else /* cmp == 0 */ {
 	       if (conf->force_reinstall) {
-		    opkg_msg(NOTICE, "Reinstalling %s (%s) on %s...\n",
-				 pkg->name, new_version, old_pkg->dest->name);
+               if(!conf->download_only)
+                   opkg_msg(NOTICE, "Reinstalling %s (%s) on %s...\n",
+                           pkg->name, new_version, old_pkg->dest->name);
 		    pkg->dest = old_pkg->dest;
 		    rc = 0;
 	       } else {
-		    opkg_msg(NOTICE, "%s (%s) already install on %s."
-				   " Not reinstalling.\n",
-				 pkg->name, new_version, old_pkg->dest->name);
+                   if(!conf->download_only)
+                       opkg_msg(NOTICE, "%s (%s) already install on %s."
+                               " Not reinstalling.\n",
+                               pkg->name, new_version, old_pkg->dest->name);
 		    rc = 1;
 	       }
 	  } 
@@ -487,8 +491,9 @@ opkg_install_check_downgrade(pkg_t *pkg, pkg_t *old_pkg, int message)
           strncpy( message_out,"Installing ",strlen("Installing ") );
 	  char *version = pkg_version_str_alloc(pkg);
       
-	  opkg_msg(NOTICE, "%s%s (%s) to %s...\n", message_out,
-		       pkg->name, version, pkg->dest->name);
+      if(!conf->download_only)
+          opkg_msg(NOTICE, "%s%s (%s) to %s...\n", message_out,
+                  pkg->name, version, pkg->dest->name);
 	  free(version);
 	  return 0;
      }
@@ -1329,6 +1334,14 @@ opkg_install_pkg(pkg_t *pkg, int from_upgrade)
               free(file_sha256);
      }
 #endif
+     if(conf->download_only) {
+         if (conf->nodeps == 0) {
+             err = satisfy_dependencies_for(pkg);
+             if (err)
+                 return -1;
+         }
+         return 0;
+     }
 
      if (pkg->tmp_unpack_dir == NULL) {
 	  if (unpack_pkg_control_files(pkg) == -1) {
diff --git a/src/opkg-cl.c b/src/opkg-cl.c
index 63ebf8c..7a2bbf3 100644
--- a/src/opkg-cl.c
+++ b/src/opkg-cl.c
@@ -40,6 +40,7 @@ enum {
 	ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES,
 	ARGS_OPT_FORCE_SPACE,
 	ARGS_OPT_NOACTION,
+	ARGS_OPT_DOWNLOAD_ONLY,
 	ARGS_OPT_NODEPS,
 	ARGS_OPT_AUTOREMOVE,
 	ARGS_OPT_CACHE,
@@ -74,6 +75,7 @@ static struct option long_options[] = {
 	{"force_removal_of_essential_packages", 0, 0,
 		ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES},
 	{"noaction", 0, 0, ARGS_OPT_NOACTION},
+	{"download-only", 0, 0, ARGS_OPT_DOWNLOAD_ONLY},
 	{"nodeps", 0, 0, ARGS_OPT_NODEPS},
 	{"offline", 1, 0, 'o'},
 	{"offline-root", 1, 0, 'o'},
@@ -157,6 +159,9 @@ args_parse(int argc, char *argv[])
 		case ARGS_OPT_NOACTION:
 			conf->noaction = 1;
 			break;
+        case ARGS_OPT_DOWNLOAD_ONLY:
+			conf->download_only = 1;
+			break;
 		case ':':
 			parse_err = -1;
 			break;
@@ -235,6 +240,7 @@ usage()
 	printf("\t--force-downgrade	Allow opkg to downgrade packages\n");
 	printf("\t--force-space		Disable free space checks\n");
 	printf("\t--noaction		No action -- test only\n");
+	printf("\t--download-only	No action -- download only\n");
 	printf("\t--nodeps		Do not follow dependences\n");
 	printf("\t--force-removal-of-dependent-packages\n");
 	printf("\t			Remove package and all dependencies\n");
--
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