Display pins in show/with commands (#940)

* Display pins in show/with commands

* Tweaks to testsuite for new output

src/alire/alire-releases.adb

@@ -708,6 +708,12 @@ package body Alire.Releases is
                                Sorted => True,
                                And_Or => R.Dependencies.Contains_ORs);
       end if;
+
+      --  PINS
+      if not R.Pins.Is_Empty then
+         Put_Line ("Pins (direct):");
+         R.Pins.Print (Prefix => "   ");
+      end if;
    end Print;
 
    --------------

src/alire/alire-user_pins-maps.adb

@@ -1,3 +1,5 @@
+with Ada.Text_IO;
+
 package body Alire.User_Pins.Maps is
 
    ---------------
@@ -43,4 +45,18 @@ package body Alire.User_Pins.Maps is
 
    end From_TOML;
 
+   -----------
+   -- Print --
+   -----------
+
+   procedure Print (This : Map; Prefix : String := "") is
+      use Ada.Text_IO;
+   begin
+      for I in This.Iterate loop
+         Put_Line (Prefix
+                   & This (I)
+                   .To_Manifest_Line (Crate => Pin_Maps.Key (I)));
+      end loop;
+   end Print;
+
 end Alire.User_Pins.Maps;

src/alire/alire-user_pins-maps.ads

@@ -16,4 +16,7 @@ package Alire.User_Pins.Maps is
      or else raise Checked_Error
        with Errors.Set ("array expected but got a " & This.Unwrap.Kind'Image);
 
+   procedure Print (This : Map; Prefix : String := "");
+   --  Print to stdout each Pin.To_Manifest_Line
+
 end Alire.User_Pins.Maps;

src/alr/alr-commands-withing.adb

@@ -149,6 +149,11 @@ package body Alr.Commands.Withing is
          And_Or  => Root_Release.Dependencies.Contains_ORs,
          Sorted  => True);
 
+      if not Root_Release.Pins.Is_Empty then
+         Put_Line ("Pins (direct):");
+         Root_Release.Pins.Print (Prefix => "   ");
+      end if;
+
       if Cmd.Solve then
          Cmd.Requires_Full_Index; -- Load possible hints
          Cmd.Root.Solution.Print (Root_Release,

testsuite/tests/pin/circularity/test.py

@@ -71,6 +71,10 @@
    dep2*
    dep3*
    dep4*
+Pins (direct):
+   dep2 = { path='../dep2' }
+   dep3 = { path='../dep3' }
+   dep4 = { path='../dep4' }
 Dependencies (solution):
    dep2=0.0.0 (pinned) (origin: ../dep2)
    dep3=0.0.0 (pinned) (origin: ../dep3)

testsuite/tests/pin/unneeded-held/test.py

@@ -33,8 +33,10 @@
 
 # Check that there are no dependencies
 p = run_alr('with')
-assert_eq('Dependencies (direct):\n'
-          '   (empty)\n',
+assert_eq("Dependencies (direct):\n"
+          "   (empty)\n"
+          "Pins (direct):\n"
+          "   libchild = { version='0.2.0' }\n",
           p.out)
 
 # But the pinned release is still in the solution

testsuite/tests/pin/version/test.py

@@ -34,6 +34,8 @@
 assert_eq("""\
 Dependencies (direct):
    hello*
+Pins (direct):
+   hello = { version='7.7.7' }
 Dependencies (external):
    hello=7.7.7 (direct,missed,pin=7.7.7) (pinned)
 Dependencies (graph):