Custom snapshot prefix & Snapshot signatures

[list at eworm.de (Christian Hesse)]

Hello everybody,

I missed to reply in time and my mail client decided to purge old mails from
my mailing list folders. (Well, I told it to do so regularly.)
So breaking the threads and reviewing in this mail. Sorry!

First of all let me say that I really love this! The snapshot signatures
feature allows to get rid of uploading static tarballs and signatures,
handling everything from your command line with git. Thanks a lot for your
marvelous work, John!

I do agree with Konstantin, though: Binary compressed data may change over
time with more recent algorithms. So I will reply with an extra patch that
allows to push tar signatures to git notes that can be downloaded for
compressed tar snapshots.

Custom snapshot prefix [0]:
John Keeping (3):
  ui-shared: pass repo object to print_snapshot_links()
  ui-snapshot: pass repo into get_ref_from_filename()
  Add "snapshot-prefix" repo configuration

All these look good to me. Please add my Reviewed-by!

Snapshot signatures [1]:
John Keeping (7):
  ui-refs: remove unnecessary sanity check
  ui-shared: remove unused parameter
  ui-shared: rename parameter to cgit_print_snapshot_links()
  ui-shared: use the same snapshot logic as ui-refs
  ui-shared: pass separator in to cgit_print_snapshot_links()
  ui-refs: use shared function to print tag downloads

All these look good to me. Please add my Reviewed-by!

  snapshot: support archive signatures

> @@ -129,6 +154,39 @@ static int make_snapshot(const struct
> cgit_snapshot_format *format, return 0;
>  }
> 
> +static int write_sig(const struct cgit_snapshot_format *format,
> +		     const char *hex, const char *archive,
> +		     const char *filename)
> +{
> +	const struct object_id *note = cgit_snapshot_get_sig(hex, format);

Do we mix declaration and code? Let's get this separated.

> +	enum object_type type;
> +	unsigned long size;
> +	char *buf;
> [...]

But this is just nit-picking, so please add my Reviewed-by!

This will need some changes when updating to git v2.18.0. Would be nice to
have this in soon so I can rebase my commit.

[0] https://lists.zx2c4.com/pipermail/cgit/2018-March/003767.html
[1] https://lists.zx2c4.com/pipermail/cgit/2018-March/003772.html
-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Best regards             my address:    */=0;b=c[a++];)
putchar(b-1/(/*    Chris            cc -ox -xc - && ./x    */b/42*2-3)*42);}
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