allow to copy & paste from compact format into conan-lock-add (#15262)

* allow to copy & paste from compact format into conan-lock-add

* Revert, and just print the %timestamp too

* Remove float timestamp from conan list --format=text

* Fix test

---------

Co-authored-by: Rubén Rincón Blanco <git@rinconblanco.es>

conan/cli/commands/list.py

@@ -109,7 +109,7 @@ def prepare_pkglist_compact(pkglist):
             new_rrev = f"{ref}#{rrev}"
             timestamp = rrev_info.pop("timestamp", None)
             if timestamp:
-                new_rrev += f" ({timestamp_to_str(timestamp)})"
+                new_rrev += f"%{timestamp} ({timestamp_to_str(timestamp)})"
 
             packages = rrev_info.pop("packages", None)
             if packages:

conans/test/integration/command_v2/list_test.py

@@ -778,14 +778,16 @@ def test_list_compact_no_settings_no_options(self):
         c.run("create pkg -s os=Windows -s arch=x86")
         c.run("create other")
         c.run("list *:* --format=compact")
-        expected_output = re.sub(r"\(.*\)", "(timestamp)", c.stdout)
+        expected_output = re.sub(r"%.* ", "%timestamp ",
+                                 re.sub(r"\(.*\)", "(timestamp)", c.stdout))
+
         expected = textwrap.dedent("""\
             Local Cache
               other/1.0
-                other/1.0#d3c8cc5e6d23ca8c6f0eaa6285c04cbd (timestamp)
+                other/1.0#d3c8cc5e6d23ca8c6f0eaa6285c04cbd%timestamp (timestamp)
                   other/1.0#d3c8cc5e6d23ca8c6f0eaa6285c04cbd:da39a3ee5e6b4b0d3255bfef95601890afd80709
               pkg/1.0
-                pkg/1.0#d24b74828b7681f08d8f5ba0e7fd791e (timestamp)
+                pkg/1.0#d24b74828b7681f08d8f5ba0e7fd791e%timestamp (timestamp)
                   pkg/1.0#d24b74828b7681f08d8f5ba0e7fd791e:c11e463c49652ba9c5adc62573ee49f966bd8417
                     settings: Windows, x86
             """)