def checktool(exe, name=None, abort=True):
name = name or exe
if not util.findexe(exe):
if abort:
exc = error.Abort
else:
exc = MissingTool
raise exc(_('cannot find required "%s" tool') % name)
def uisetup(ui):
for cmd, path in ui.configitems("extdiff"):
path = util.expandpath(path)
if cmd.startswith("cmd."):
cmd = cmd[4:]
if not path:
path = util.findexe(cmd)
if path is None:
path = filemerge.findexternaltool(ui, cmd) or cmd
diffopts = ui.config("extdiff", "opts." + cmd)
cmdline = util.shellquote(path)
if diffopts:
cmdline += " " + diffopts
elif cmd.startswith("opts."):
continue
else:
if path:
# case "cmd = path opts"
cmdline = path
diffopts = len(pycompat.shlexsplit(cmdline)) > 1
else:
# case "cmd ="
path = util.findexe(cmd)
if path is None:
path = filemerge.findexternaltool(ui, cmd) or cmd
cmdline = util.shellquote(path)
diffopts = False
# look for diff arguments in [diff-tools] then [merge-tools]
if not diffopts:
args = ui.config("diff-tools", cmd + ".diffargs") or ui.config(
"merge-tools", cmd + ".diffargs"
)
if args:
cmdline += " " + args
command(
cmd, extdiffopts[:], _("hg %s [OPTION]... [FILE]...") % cmd, inferrepo=True
)(savedcmd(path, cmdline))