run-tests: define the default merge tool through configuration
Using the `HGMERGE` environment variable generates confusion as it overrides
any value set through configuration.
By setting the default value through the default HGRC, the usual overriding
rules apply and it should reduce confusion.
# 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}{luser}{ldate}{ltroubles}{lobsfate}{summary}\n'
changeset_quiet = '{lnode}'
changeset_verbose = '{cset}{branches}{bookmarks}{tags}{parents}{luser}{ldate}{ltroubles}{lobsfate}{lfiles}{lfile_copies_switch}{description}\n'
changeset_debug = '{fullcset}{branches}{bookmarks}{tags}{lphase}{parents}{manifest}{luser}{ldate}{ltroubles}{lobsfate}{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
cset = '{labelcset("changeset: {rev}:{node|short}")}\n'
fullcset = '{labelcset("changeset: {rev}:{node}")}\n'
lphase = '{label("log.phase",
"phase: {phase}")}\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'
luser = '{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|relpath}\n{if(source, " {source|relpath}\n")}'
# Obsfate templates, it would be removed once we introduce the obsfate
# template fragment
lobsfate = '{if(obsfate, "{label('log.obsfate', '{obsfate % "obsolete: {fate}\n"}')}")}'
[templatealias]
labelcset(expr) = label(separate(" ",
"log.changeset",
"changeset.{phase}",
if(obsolete, "changeset.obsolete"),
if(instabilities, "changeset.unstable"),
join(instabilities
% "instability.{instability}", " ")),
expr)