#
#
# add_dir "tests/date_formatting"
# 
# add_file "tests/date_formatting/__driver__.lua"
#  content [79b3dfd647ed2d7b20e034b6694824d1f4c5c6e6]
# 
# patch "std_hooks.lua"
#  from [52aa565e0f7dad93d2e7fd0ffef4ac9d9ee7a9a6]
#    to [c9dd3ea46238ea2899e6d450154bca73f971547b]
# 
# patch "testlib.lua"
#  from [05262d080af7a5505620fbbeec4ea527eec435d4]
#    to [5807919b1b0111e8e2bacdc6589bb0d43eddae42]
# 
# patch "tests/_--author,_--date/__driver__.lua"
#  from [7fd3ac3cb95874381f43dd1182a23bc22dd02b5a]
#    to [32996584305ed55d69e88dd14f0570e6da40b827]
# 
# patch "tests/log_--brief/__driver__.lua"
#  from [e693530a91048029954b4dc66a6caca1973ca08c]
#    to [5fe08b4182a0dd9349743363da14eb0c4582fcea]
# 
# patch "tests/test_hooks.lua"
#  from [2352f60b89c450fbfd3df9a419d9ab7828d55244]
#    to [33fa5ede0f6a84f7b4d8c2432a45e135ac5af936]
#
============================================================
--- tests/date_formatting/__driver__.lua	79b3dfd647ed2d7b20e034b6694824d1f4c5c6e6
+++ tests/date_formatting/__driver__.lua	79b3dfd647ed2d7b20e034b6694824d1f4c5c6e6
@@ -0,0 +1,57 @@
+mtn_setup()
+addfile("testfile", "floooooo")
+check(mtn("commit", "--date=1999-12-31T13:00:00",
+	  "--branch=B", "--message=blah-blah"), 0, false, false)
+rev = base_revision()
+
+function logdf(fmt)
+   if fmt then
+      return mtn("log", "--brief", "--no-graph", "--date-format="..fmt)
+   else
+      return mtn("log", "--brief", "--no-graph")
+   end
+end
+
+function test_tz_fmt(tz, fmt, exp)
+   if tz then
+      set_env("TZ", tz)
+   end
+   check(logdf(fmt), 0, true, false)
+   check(samelines("stdout", { rev .. " address@hidden " .. exp .. " B" }))
+end
+
+test_tz_fmt(nil, nil,                 "1999-12-31T13:00:00")
+test_tz_fmt(nil, "%Y-%m-%d %H:%M:%S", "1999-12-31 13:00:00")
+test_tz_fmt(nil, "%Y-%m-%d %I:%M:%S", "1999-12-31 01:00:00")
+test_tz_fmt(nil, "%a, %d %b %Y %T",   "Fri, 31 Dec 1999 13:00:00")
+
+-- TZ env var doesn't work
+skip_if(ostype=="Windows")
+
+test_tz_fmt("ZZT+00:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 13:00 ZZT+0000")
+test_tz_fmt("ZZT+01:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 12:00 ZZT-0100")
+test_tz_fmt("ZZT+02:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 11:00 ZZT-0200")
+test_tz_fmt("ZZT+03:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 10:00 ZZT-0300")
+test_tz_fmt("ZZT+04:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 09:00 ZZT-0400")
+test_tz_fmt("ZZT+05:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 08:00 ZZT-0500")
+test_tz_fmt("ZZT+06:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 07:00 ZZT-0600")
+test_tz_fmt("ZZT+07:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 06:00 ZZT-0700")
+test_tz_fmt("ZZT+08:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 05:00 ZZT-0800")
+test_tz_fmt("ZZT+09:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 04:00 ZZT-0900")
+test_tz_fmt("ZZT+10:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 03:00 ZZT-1000")
+test_tz_fmt("ZZT+11:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 02:00 ZZT-1100")
+test_tz_fmt("ZZT+12:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 01:00 ZZT-1200")
+
+test_tz_fmt("ZZT-00:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 13:00 ZZT+0000")
+test_tz_fmt("ZZT-01:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 14:00 ZZT+0100")
+test_tz_fmt("ZZT-02:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 15:00 ZZT+0200")
+test_tz_fmt("ZZT-03:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 16:00 ZZT+0300")
+test_tz_fmt("ZZT-04:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 17:00 ZZT+0400")
+test_tz_fmt("ZZT-05:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 18:00 ZZT+0500")
+test_tz_fmt("ZZT-06:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 19:00 ZZT+0600")
+test_tz_fmt("ZZT-07:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 20:00 ZZT+0700")
+test_tz_fmt("ZZT-08:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 21:00 ZZT+0800")
+test_tz_fmt("ZZT-09:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 22:00 ZZT+0900")
+test_tz_fmt("ZZT-10:00", "%Y-%m-%d %H:%M %Z%z", "1999-12-31 23:00 ZZT+1000")
+test_tz_fmt("ZZT-11:00", "%Y-%m-%d %H:%M %Z%z", "2000-01-01 00:00 ZZT+1100")
+test_tz_fmt("ZZT-12:00", "%Y-%m-%d %H:%M %Z%z", "2000-01-01 01:00 ZZT+1200")
============================================================
--- std_hooks.lua	52aa565e0f7dad93d2e7fd0ffef4ac9d9ee7a9a6
+++ std_hooks.lua	c9dd3ea46238ea2899e6d450154bca73f971547b
@@ -384,6 +384,8 @@ function get_date_format_spec()
    --   like ctime(3):  "%a %b %d %H:%M:%S %Y"
    --   email style:    "%a, %d %b %Y %H:%M:%S"
    --   ISO 8601:       "%Y-%m-%d %H:%M:%S" or "%Y-%m-%dT%H:%M:%S"
+   --
+   --   ISO 8601, no timezone conversion: ""
 end
 
 -- trust evaluation hooks
============================================================
--- testlib.lua	05262d080af7a5505620fbbeec4ea527eec435d4
+++ testlib.lua	5807919b1b0111e8e2bacdc6589bb0d43eddae42
@@ -876,6 +876,9 @@ function run_tests(debugging, list_only,
   unset_env("EDITOR")
   unset_env("VISUAL")
 
+  -- tests should not be timezone sensitive
+  set_env("TZ", "UTC")
+
   logfile = io.open(logname, "w")
   chdir(run_dir);
 
============================================================
--- tests/_--author,_--date/__driver__.lua	7fd3ac3cb95874381f43dd1182a23bc22dd02b5a
+++ tests/_--author,_--date/__driver__.lua	32996584305ed55d69e88dd14f0570e6da40b827
@@ -4,7 +4,7 @@ rev = base_revision()
 addfile("testfile", "floooooo")
 check(mtn("commit", "--author=the_author", "--date=1999-12-31T12:00:00", "--branch=foo", "--message=foo"), 0, false, false)
 rev = base_revision()
-check(mtn("log", "--from", rev, "--no-format-dates"), 0, true, false)
+check(mtn("log", "--from", rev), 0, true, false)
 
 check(qgrep('^[\\| ]+Author: the_author', "stdout"))
 check(qgrep('^[\\| ]+Date: 1999-12-31T12:00:00', "stdout"))
============================================================
--- tests/log_--brief/__driver__.lua	e693530a91048029954b4dc66a6caca1973ca08c
+++ tests/log_--brief/__driver__.lua	5fe08b4182a0dd9349743363da14eb0c4582fcea
@@ -13,7 +13,7 @@ R2=base_revision()
 check(mtn("commit", "-b", "otherbranch", "--date", "2005-08-16T03:16:05", "-m", "foo"), 0, false, false)
 R2=base_revision()
 
-check(mtn("log", "--brief", "--no-graph", "--no-format-dates"), 0, true, false)
+check(mtn("log", "--brief", "--no-graph"), 0, true, false)
 check(samelines("stdout", {R2.." address@hidden 2005-08-16T03:16:05 otherbranch",
                            R1.." address@hidden 2005-08-16T03:16:00 testbranch",
                            R0.." address@hidden 2005-08-16T03:16:00 testbranch"}))
============================================================
--- tests/test_hooks.lua	2352f60b89c450fbfd3df9a419d9ab7828d55244
+++ tests/test_hooks.lua	33fa5ede0f6a84f7b4d8c2432a45e135ac5af936
@@ -57,6 +57,10 @@ end
 	return "address@hidden"
 end
 
+function get_date_format_spec()
+        return ""
+end
+
 function ignore_file(name)
 	if (string.find(name, "ts-std", 1, true)) then return true end
 	if (string.find(name, "testsuite.log")) then return true end