templates: introduce labelcset() function in map-cmdline.default as example

mercurial/templates/map-cmdline.default

@@ -1,84 +1,86 b''
 # Base templates. Due to name clashes with existing keywords, we have
 # to replace some keywords with 'lkeyword', for 'labelled keyword'
 
 [templates]
 changeset = '{cset}{branches}{bookmarks}{tags}{parents}{user}{ldate}{ltroubles}{summary}\n'
 changeset_quiet = '{lnode}'
 changeset_verbose = '{cset}{branches}{bookmarks}{tags}{parents}{user}{ldate}{ltroubles}{lfiles}{lfile_copies_switch}{description}\n'
 changeset_debug = '{fullcset}{branches}{bookmarks}{tags}{lphase}{parents}{manifest}{user}{ldate}{ltroubles}{lfile_mods}{lfile_adds}{lfile_dels}{lfile_copies_switch}{extras}{description}\n'
 
 # File templates
 lfiles = '{if(files,
                label("ui.note log.files",
                      "files:       {files}\n"))}'
 
 lfile_mods = '{if(file_mods,
                   label("ui.debug log.files",
                         "files:       {file_mods}\n"))}'
 
 lfile_adds = '{if(file_adds,
                   label("ui.debug log.files",
                         "files+:      {file_adds}\n"))}'
 
 lfile_dels = '{if(file_dels,
                   label("ui.debug log.files",
                         "files-:      {file_dels}\n"))}'
 
 lfile_copies_switch = '{if(file_copies_switch,
                            label("ui.note log.copies",
                                  "copies:     {file_copies_switch
                                                % ' {name} ({source})'}\n"))}'
 
 # General templates
-_instability_label = 'instability.{instability}'
-_troubles_labels = '{if(instabilities, "changeset.unstable {instabilities%_instability_label}")}'
-_obsolete_label = '{if(obsolete, "changeset.obsolete")}'
-_cset_labels = '{separate(" ", "log.changeset", "changeset.{phase}", "{_obsolete_label}", "{_troubles_labels}")}'
-cset = '{label("{_cset_labels}",
-               "changeset:   {rev}:{node|short}")}\n'
+cset = '{labelcset("changeset:   {rev}:{node|short}")}\n'
+fullcset = '{labelcset("changeset:   {rev}:{node}")}\n'
 
 lphase = '{label("log.phase",
                  "phase:       {phase}")}\n'
 
-fullcset = '{label("{_cset_labels}",
-                   "changeset:   {rev}:{node}")}\n'
-
 parent = '{label("log.parent changeset.{phase}",
                   "parent:      {rev}:{node|formatnode}")}\n'
 
 lnode = '{label("log.node",
                 "{rev}:{node|short}")}\n'
 
 manifest = '{label("ui.debug log.manifest",
                    "manifest:    {rev}:{node}")}\n'
 
 branch = '{label("log.branch",
                  "branch:      {branch}")}\n'
 
 tag = '{label("log.tag",
               "tag:         {tag}")}\n'
 
 bookmark = '{label("log.bookmark",
                    "bookmark:    {bookmark}")}\n'
 
 user = '{label("log.user",
                "user:        {author}")}\n'
 
 summary = '{if(desc|strip, "{label('log.summary',
                                    'summary:     {desc|firstline}')}\n")}'
 
 ldate = '{label("log.date",
                 "date:        {date|date}")}\n'
 
 ltroubles = '{if(instabilities, "{label('log.instability',
                                    'instability: {join(instabilities, ", ")}')}\n")}'
 
 extra = '{label("ui.debug log.extra",
                 "extra:       {key}={value|stringescape}")}\n'
 
 description = '{if(desc|strip, "{label('ui.note log.description',
                                        'description:')}
                                 {label('ui.note log.description',
                                        '{desc|strip}')}\n\n")}'
 
 status = '{status} {path}\n{if(copy, "  {copy}\n")}'
+
+[templatealias]
+labelcset(expr) = label(separate(" ",
+                                 "log.changeset",
+                                 "changeset.{phase}",
+                                 if(obsolete, "changeset.obsolete"),
+                                 if(instabilities, "changeset.unstable"),
+                                 instabilities % "instability.{instability}"),
+                        expr)