rs/strbuf-addftime-zZ, was Re: What's cooking in git.git (Jun 2017, #04; Tue, 13)

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Hi Junio,

On Tue, 13 Jun 2017, Junio C Hamano wrote:

> * rs/strbuf-addftime-zZ (2017-06-10) 2 commits
>  - date: use localtime() for "-local" time formats
>  - strbuf: let strbuf_addftime handle %z and %Z itself
> 
>  As there is no portable way to pass timezone information to
>  strftime, some output format from "git log" and friends are
>  impossible to produce.  Teach our own strbuf_addftime to replace %z
>  and %Z with caller-supplied values to help working around this.
> 
>  Will merge to 'next'.

Hold on. Have you tried to build this branch?

-- snip --
    CC date.o
date.c:63:36: error: unknown type name ‘timestamp_t’
 static struct tm *time_to_tm_local(timestamp_t time)
                                    ^
date.c: In function ‘show_date’:
date.c:211:8: error: implicit declaration of function ‘time_to_tm_local’
[-Werror=implicit-function-declaration]
   tm = time_to_tm_local(time);
        ^
date.c:211:6: error: assignment makes pointer from integer without a cast
[-Werror=int-conversion]
   tm = time_to_tm_local(time);
      ^
cc1: all warnings being treated as errors
-- snap --

I would expect this to be rebased *at least* to dddbad728c9 (timestamp_t:
a new data type for timestamps, 2017-04-26).

But even then, it fails in t0006 on Windows with this error:

-- snip --
++ eval 'diff -u "$@" '
+++ diff -u expect actual
--- expect      2017-06-14 10:53:40.126136900 +0000
+++ actual      2017-06-14 10:53:40.171146800 +0000
@@ -1 +1 @@
-1466000000 +0200 -> 2016-06-15 14:13:20 +0000 (UTC)
+1466000000 +0200 -> 2016-06-15 14:13:20 UTC (UTC)
+ test_eval_ret_=1
+ want_trace
+ test t = t
+ test t = t
+ set +x
error: last command exited with $?=1
not ok 23 - show date (format-local:%Y-%m-%d %H:%M:%S %z (%Z):1466000000 +0200)
#
#                       echo "$time -> $expect" >expect &&
#                       (
#                               if test -n "$zone"
#                               then
#                                       TZ=$zone
#                                       export $TZ
#                               fi &&
#                               test-date show:"$format" "$time" >actual
#                       ) &&
#                       test_cmp expect actual
-- snap --

What gives?

Ciao,
Dscho

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