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* [9front] [PATCH] git/query: leave range commits in topological order
@ 2022-01-23  0:39 Michael Forney
  2022-01-23 15:17 ` ori
  0 siblings, 1 reply; 3+ messages in thread
From: Michael Forney @ 2022-01-23  0:39 UTC (permalink / raw)
  To: 9front


This prevents commits from getting reordered incorrectly during rebase
or export.
---
diff 108d74cb0a8d27e82550d2772ae64fd7748e151d bb59fa1f40b5e5756639480fc08e0f33c7e19019
--- a/sys/src/cmd/git/ref.c	Fri Jan  7 02:37:02 2022
+++ b/sys/src/cmd/git/ref.c	Sat Jan 22 16:39:21 2022
@@ -51,26 +51,6 @@
 		ev->p++;
 }
 
-int
-objdatecmp(void *pa, void *pb)
-{
-	Object *a, *b;
-	int r;
-
-	a = readobject((*(Object**)pa)->hash);
-	b = readobject((*(Object**)pb)->hash);
-	assert(a->type == GCommit && b->type == GCommit);
-	if(a->commit->mtime == b->commit->mtime)
-		r = 0;
-	else if(a->commit->mtime < b->commit->mtime)
-		r = -1;
-	else
-		r = 1;
-	unref(a);
-	unref(b);
-	return r;
-}
-
 void
 push(Eval *ev, Object *o)
 {
@@ -406,7 +386,7 @@
 range(Eval *ev)
 {
 	Object *a, *b, *p, *q, **all;
-	int nall, *idx, mark;
+	int nall, *idx;
 	Objset keep, skip;
 
 	b = pop(ev);
@@ -424,7 +404,6 @@
 	all = nil;
 	idx = nil;
 	nall = 0;
-	mark = ev->nstk;
 	osinit(&keep);
 	osinit(&skip);
 	osadd(&keep, a);
@@ -459,7 +438,6 @@
 		nall++;
 	}
 	free(all);
-	qsort(ev->stk + mark, ev->nstk - mark, sizeof(Object*), objdatecmp);
 	return 0;
 error:
 	free(all);

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [9front] [PATCH] git/query: leave range commits in topological order
  2022-01-23  0:39 [9front] [PATCH] git/query: leave range commits in topological order Michael Forney
@ 2022-01-23 15:17 ` ori
  2022-01-23 15:29   ` hiro
  0 siblings, 1 reply; 3+ messages in thread
From: ori @ 2022-01-23 15:17 UTC (permalink / raw)
  To: 9front

Quoth Michael Forney <mforney@mforney.org>:
> 
> This prevents commits from getting reordered incorrectly during rebase
> or export.
> ---
> diff 108d74cb0a8d27e82550d2772ae64fd7748e151d bb59fa1f40b5e5756639480fc08e0f33c7e19019
> --- a/sys/src/cmd/git/ref.c	Fri Jan  7 02:37:02 2022
> +++ b/sys/src/cmd/git/ref.c	Sat Jan 22 16:39:21 2022
> @@ -51,26 +51,6 @@
>  		ev->p++;
>  }
>  
> -int
> -objdatecmp(void *pa, void *pb)
> -{
> -	Object *a, *b;
> -	int r;
> -
> -	a = readobject((*(Object**)pa)->hash);
> -	b = readobject((*(Object**)pb)->hash);
> -	assert(a->type == GCommit && b->type == GCommit);
> -	if(a->commit->mtime == b->commit->mtime)
> -		r = 0;
> -	else if(a->commit->mtime < b->commit->mtime)
> -		r = -1;
> -	else
> -		r = 1;
> -	unref(a);
> -	unref(b);
> -	return r;
> -}
> -
>  void
>  push(Eval *ev, Object *o)
>  {
> @@ -406,7 +386,7 @@
>  range(Eval *ev)
>  {
>  	Object *a, *b, *p, *q, **all;
> -	int nall, *idx, mark;
> +	int nall, *idx;
>  	Objset keep, skip;
>  
>  	b = pop(ev);
> @@ -424,7 +404,6 @@
>  	all = nil;
>  	idx = nil;
>  	nall = 0;
> -	mark = ev->nstk;
>  	osinit(&keep);
>  	osinit(&skip);
>  	osadd(&keep, a);
> @@ -459,7 +438,6 @@
>  		nall++;
>  	}
>  	free(all);
> -	qsort(ev->stk + mark, ev->nstk - mark, sizeof(Object*), objdatecmp);
>  	return 0;
>  error:
>  	free(all);
> 

looks good; if someone really wants sorted commits,
the right way to go would be to add a 'sort' operator
to the query mini-language. something like:

	git/query a..b @sort

rather than baking it into the range itself.


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [9front] [PATCH] git/query: leave range commits in topological order
  2022-01-23 15:17 ` ori
@ 2022-01-23 15:29   ` hiro
  0 siblings, 0 replies; 3+ messages in thread
From: hiro @ 2022-01-23 15:29 UTC (permalink / raw)
  To: 9front

calling it a language enlightened me

On 1/23/22, ori@eigenstate.org <ori@eigenstate.org> wrote:
> Quoth Michael Forney <mforney@mforney.org>:
>>
>> This prevents commits from getting reordered incorrectly during rebase
>> or export.
>> ---
>> diff 108d74cb0a8d27e82550d2772ae64fd7748e151d
>> bb59fa1f40b5e5756639480fc08e0f33c7e19019
>> --- a/sys/src/cmd/git/ref.c	Fri Jan  7 02:37:02 2022
>> +++ b/sys/src/cmd/git/ref.c	Sat Jan 22 16:39:21 2022
>> @@ -51,26 +51,6 @@
>>  		ev->p++;
>>  }
>>
>> -int
>> -objdatecmp(void *pa, void *pb)
>> -{
>> -	Object *a, *b;
>> -	int r;
>> -
>> -	a = readobject((*(Object**)pa)->hash);
>> -	b = readobject((*(Object**)pb)->hash);
>> -	assert(a->type == GCommit && b->type == GCommit);
>> -	if(a->commit->mtime == b->commit->mtime)
>> -		r = 0;
>> -	else if(a->commit->mtime < b->commit->mtime)
>> -		r = -1;
>> -	else
>> -		r = 1;
>> -	unref(a);
>> -	unref(b);
>> -	return r;
>> -}
>> -
>>  void
>>  push(Eval *ev, Object *o)
>>  {
>> @@ -406,7 +386,7 @@
>>  range(Eval *ev)
>>  {
>>  	Object *a, *b, *p, *q, **all;
>> -	int nall, *idx, mark;
>> +	int nall, *idx;
>>  	Objset keep, skip;
>>
>>  	b = pop(ev);
>> @@ -424,7 +404,6 @@
>>  	all = nil;
>>  	idx = nil;
>>  	nall = 0;
>> -	mark = ev->nstk;
>>  	osinit(&keep);
>>  	osinit(&skip);
>>  	osadd(&keep, a);
>> @@ -459,7 +438,6 @@
>>  		nall++;
>>  	}
>>  	free(all);
>> -	qsort(ev->stk + mark, ev->nstk - mark, sizeof(Object*), objdatecmp);
>>  	return 0;
>>  error:
>>  	free(all);
>>
>
> looks good; if someone really wants sorted commits,
> the right way to go would be to add a 'sort' operator
> to the query mini-language. something like:
>
> 	git/query a..b @sort
>
> rather than baking it into the range itself.
>
>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-01-23 19:46 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-01-23  0:39 [9front] [PATCH] git/query: leave range commits in topological order Michael Forney
2022-01-23 15:17 ` ori
2022-01-23 15:29   ` hiro

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