Re: Fsck configurations and cloning.

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> I think there are two problems here.
>
> The first is that fsck.skiplist takes a filename that contains a list of
> sha1s, not the sha1s themselves. So it would be more like:
>
>   echo 5e6ecdad9f69b1ff789a17733b8edc6fd7091bd8 >skiplist
>   git -c fsck.skiplist="$(pwd)/skiplist" clone ...

I think I got this one right. Note the use of `cat` in my original post:

  $ cat $(git config --get fsck.skiplist)
    5e6ecdad9f69b1ff789a17733b8edc6fd7091bd8

> The second is is that only "fsck" and "receive-pack" seem to have
> learned about skiplist and other per-error config. There is no matching
> fetch.fsck.* config to cover fetches.

Ah, well that sounds like the answer -- my original assumption was wrong.

> With the patch below (which I don't think is suitable for inclusion;
> it's a copy-paste from receive-pack, and should be re-factored to share
> code; doing so might be a nice low-hanging-fruit project for somebody),
> I can do:
>
>    echo 5e6ecdad9f69b1ff789a17733b8edc6fd7091bd8 >skiplist
>    git -c transfer.fsckobjects=true \
>        -c fetch.fsck.skiplist="$(pwd)/skiplist" \
>        clone https://github.com/kennethreitz/requests.git
>
> ---
> diff --git a/fetch-pack.c b/fetch-pack.c
> index f96f6df..19c83fa 100644
> --- a/fetch-pack.c
> +++ b/fetch-pack.c
> @@ -16,6 +16,7 @@
>  #include "prio-queue.h"
>  #include "sha1-array.h"
>  #include "sigchain.h"
> +#include "fsck.h"
>
>  static int transfer_unpack_limit = -1;
>  static int fetch_unpack_limit = -1;
> @@ -24,6 +25,7 @@ static int prefer_ofs_delta = 1;
>  static int no_done;
>  static int fetch_fsck_objects = -1;
>  static int transfer_fsck_objects = -1;
> +static struct strbuf fsck_msg_types = STRBUF_INIT;
>  static int agent_supported;
>  static struct lock_file shallow_lock;
>  static const char *alternate_shallow_file;
> @@ -762,7 +764,7 @@ static int get_pack(struct fetch_pack_args *args,
>             : transfer_fsck_objects >= 0
>             ? transfer_fsck_objects
>             : 0)
> -               argv_array_push(&cmd.args, "--strict");
> +               argv_array_pushf(&cmd.args, "--strict%s", fsck_msg_types.buf);
>
>         cmd.in = demux.out;
>         cmd.git_cmd = 1;
> @@ -895,6 +897,32 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
>         return ref;
>  }
>
> +static int fetch_config_cb(const char *var, const char *value, void *data)
> +{
> +
> +       if (strcmp(var, "fetch.fsck.skiplist") == 0) {
> +               const char *path;
> +
> +               if (git_config_pathname(&path, var, value))
> +                       return 1;
> +               strbuf_addf(&fsck_msg_types, "%cskiplist=%s",
> +                           fsck_msg_types.len ? ',' : '=', path);
> +               free((char *)path);
> +               return 0;
> +       }
> +
> +       if (skip_prefix(var, "fetch.fsck.", &var)) {
> +               if (is_valid_msg_type(var, value))
> +                       strbuf_addf(&fsck_msg_types, "%c%s=%s",
> +                                   fsck_msg_types.len ? ',' : '=', var, value);
> +               else
> +                       warning("Skipping unknown msg id '%s'", var);
> +               return 0;
> +       }
> +
> +       return 0;
> +}
> +
>  static void fetch_pack_config(void)
>  {
>         git_config_get_int("fetch.unpacklimit", &fetch_unpack_limit);
> @@ -903,7 +931,7 @@ static void fetch_pack_config(void)
>         git_config_get_bool("fetch.fsckobjects", &fetch_fsck_objects);
>         git_config_get_bool("transfer.fsckobjects", &transfer_fsck_objects);
>
> -       git_config(git_default_config, NULL);
> +       git_config(fetch_config_cb, NULL);
>  }
>
>  static void fetch_pack_setup(void)
--
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