print snapshot sources in snapshot show command

cmd/snapshot_show.go

@@ -29,6 +29,35 @@ func aptlySnapshotShow(cmd *commander.Command, args []string) error {
 	fmt.Printf("Created At: %s\n", snapshot.CreatedAt.Format("2006-01-02 15:04:05 MST"))
 	fmt.Printf("Description: %s\n", snapshot.Description)
 	fmt.Printf("Number of packages: %d\n", snapshot.NumPackages())
+	if len(snapshot.SourceIDs) > 0 {
+		fmt.Printf("Sources:\n")
+		for _, sourceID := range snapshot.SourceIDs {
+			var name string
+			if snapshot.SourceKind == "snapshot" {
+				source, err := context.CollectionFactory().SnapshotCollection().ByUUID(sourceID)
+				if err != nil {
+					continue
+				}
+				name = source.Name
+			} else if snapshot.SourceKind == "local" {
+				source, err := context.CollectionFactory().LocalRepoCollection().ByUUID(sourceID)
+				if err != nil {
+					continue
+				}
+				name = source.Name
+			} else if snapshot.SourceKind == "repo" {
+				source, err := context.CollectionFactory().RemoteRepoCollection().ByUUID(sourceID)
+				if err != nil {
+					continue
+				}
+				name = source.Name
+			}
+
+			if name != "" {
+				fmt.Printf("  %s [%s]\n", name, snapshot.SourceKind)
+			}
+		}
+	}
 
 	withPackages := context.Flags().Lookup("with-packages").Value.Get().(bool)
 	if withPackages {

system/t05_snapshot/CreateSnapshot1Test_snapshot_show

@@ -2,6 +2,8 @@ Name: snap1
 Created At: 2014-06-29 01:43:01 MSK
 Description: Snapshot from mirror [wheezy-main]: http://mirror.yandex.ru/debian/ wheezy
 Number of packages: 56121
+Sources:
+  wheezy-main [repo]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/CreateSnapshot6Test_snapshot_show

@@ -1,6 +1,8 @@
 Name: snap6
 Description: Snapshot from local repo [local-repo]
 Number of packages: 3
+Sources:
+  local-repo [local]
 Packages:
   libboost-program-options-dev_1.49.0.1_i386
   pyspi_0.6.1-1.3_source

system/t05_snapshot/FilterSnapshot1Test_snapshot_show

@@ -1,6 +1,8 @@
 Name: snap2
 Description: Filtered 'snap1', query was: 'mame unrar'
 Number of packages: 4
+Sources:
+  snap1 [snapshot]
 Packages:
   mame_0.146-5_amd64
   unrar_1:4.1.4-1_amd64

system/t05_snapshot/FilterSnapshot2Test_snapshot_show

@@ -1,6 +1,8 @@
 Name: snap2
 Description: Filtered 'snap1', query was: 'rsyslog (>= 7.4.4)'
 Number of packages: 9
+Sources:
+  snap1 [snapshot]
 Packages:
   init-system-helpers_1.18~bpo70+1_all
   libestr0_0.1.9-1~bpo70+1_amd64

system/t05_snapshot/FilterSnapshot3Test_snapshot_show

@@ -1,6 +1,8 @@
 Name: snap2
 Description: Filtered 'snap1', query was: 'Priority (required) nginx xyz'
 Number of packages: 123
+Sources:
+  snap1 [snapshot]
 Packages:
   debconf_1.5.49_all
   debconf-i18n_1.5.49_all

system/t05_snapshot/FilterSnapshot7Test_snapshot_show

@@ -1,6 +1,8 @@
 Name: snap2
 Description: Filtered 'snap1', query was: 'rsyslog (>= 7.4.4), $Architecture (i386)'
 Number of packages: 10
+Sources:
+  snap1 [snapshot]
 Packages:
   init-system-helpers_1.18~bpo70+1_all
   libestr0_0.1.9-1~bpo70+1_i386

system/t05_snapshot/MergeSnapshot1Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 02:23:49 MSK
 Description: Merged from sources: 'snap1', 'snap2'
 Number of packages: 56782
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/MergeSnapshot3Test_snapshot_show

@@ -2,6 +2,10 @@ Name: snap4
 Created At: 2014-06-29 02:14:26 MSK
 Description: Merged from sources: 'snap1', 'snap2', 'snap3'
 Number of packages: 58968
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
+  snap3 [snapshot]
 Packages:
   0ad-data_0.0.16-1~bpo70+1_all
   0ad-data-common_0.0.16-1~bpo70+1_all

system/t05_snapshot/MergeSnapshot6Test_snapshot_show

@@ -2,6 +2,10 @@ Name: snap4
 Created At: 2014-06-29 02:15:01 MSK
 Description: Merged from sources: 'snap1', 'snap2', 'snap3'
 Number of packages: 58802
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
+  snap3 [snapshot]
 Packages:
   0ad-data_0.0.16-1~bpo70+1_all
   0ad-data-common_0.0.16-1~bpo70+1_all

system/t05_snapshot/MergeSnapshot7Test_snapshot_show

@@ -2,6 +2,10 @@ Name: snap4
 Created At: 2014-06-29 02:16:12 MSK
 Description: Merged from sources: 'snap3', 'snap2', 'snap1'
 Number of packages: 58817
+Sources:
+  snap3 [snapshot]
+  snap2 [snapshot]
+  snap1 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   0ad-data-common_0.0.16-1~bpo70+1_all

system/t05_snapshot/MergeSnapshot9Test_snapshot_show

@@ -2,6 +2,10 @@ Name: snap4
 Created At: 2014-06-29 02:19:14 MSK
 Description: Merged from sources: 'snap1', 'snap2', 'snap3'
 Number of packages: 61524
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
+  snap3 [snapshot]
 Packages:
   0ad-data_0.0.16-1~bpo70+1_all
   0ad-data_0~r11863-1_all

system/t05_snapshot/PullSnapshot10Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 02:00:49 MSK
 Description: Pulled into 'snap1' with 'snap2' as source, pull request was: 'rsyslog (>= 7.4.4)'
 Number of packages: 73295
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/PullSnapshot11Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 02:03:59 MSK
 Description: Pulled into 'snap1' with 'snap2' as source, pull request was: 'rsyslog (>= 7.4.4)'
 Number of packages: 56130
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/PullSnapshot1Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 02:31:20 MSK
 Description: Pulled into 'snap1' with 'snap2' as source, pull request was: 'mame unrar'
 Number of packages: 56125
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/PullSnapshot2Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 01:50:10 MSK
 Description: Pulled into 'snap1' with 'snap2' as source, pull request was: 'rsyslog (>= 7.4.4)'
 Number of packages: 56126
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/PullSnapshot3Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 01:52:15 MSK
 Description: Pulled into 'snap1' with 'snap2' as source, pull request was: 'rsyslog (>= 7.4.4)'
 Number of packages: 56121
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/PullSnapshot8Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 01:57:44 MSK
 Description: Pulled into 'snap1' with 'snap2' as source, pull request was: 'lunar-landing mars-landing (>= 1.0)'
 Number of packages: 56121
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/PullSnapshot9Test_snapshot_show

@@ -2,6 +2,9 @@ Name: snap3
 Created At: 2014-06-29 01:58:24 MSK
 Description: Pulled into 'snap1' with 'snap2' as source, pull request was: 'rsyslog (>= 7.4.4)'
 Number of packages: 56131
+Sources:
+  snap1 [snapshot]
+  snap2 [snapshot]
 Packages:
   0ad-data_0~r11863-1_all
   2ping_2.0-1_all

system/t05_snapshot/ShowSnapshot1Test_gold

@@ -2,6 +2,8 @@ Name: snap1
 Created At: 2014-06-28 03:01:02 MSK
 Description: Snapshot from mirror [wheezy-non-free]: http://mirror.yandex.ru/debian/ wheezy
 Number of packages: 661
+Sources:
+  wheezy-non-free [repo]
 Packages:
   abs-guide_6.5-1_all
   album_4.06-2_all

system/t05_snapshot/ShowSnapshot3Test_gold

@@ -2,3 +2,5 @@ Name: snap1
 Created At: 2014-01-24 13:06:43 MSK
 Description: Snapshot from mirror [wheezy-non-free]: http://mirror.yandex.ru/debian/ wheezy
 Number of packages: 661
+Sources:
+  wheezy-non-free [repo]