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From: Jonathan Tan <jonathantanmy@google.com>
To: newren@gmail.com
Cc: git@vger.kernel.org, Jonathan Tan <jonathantanmy@google.com>
Subject: Re: [PATCH v2 09/20] merge-ort: record stage and auxiliary info for every path
Date: Fri,  6 Nov 2020 14:58:28 -0800
Message-ID: <20201106225828.774616-1-jonathantanmy@google.com> (raw)
In-Reply-To: <20201102204344.342633-10-newren@gmail.com>

> +static void setup_path_info(struct merge_options *opt,
> +			    struct string_list_item *result,
> +			    const char *current_dir_name,
> +			    int current_dir_name_len,
> +			    char *fullpath, /* we'll take over ownership */
> +			    struct name_entry *names,
> +			    struct name_entry *merged_version,
> +			    unsigned is_null,     /* boolean */
> +			    unsigned df_conflict, /* boolean */

Booleans could be int, I think?

> +			    unsigned filemask,
> +			    unsigned dirmask,
> +			    int resolved          /* boolean */)
> +{
> +	struct conflict_info *path_info;
> +
> +	assert(!is_null || resolved);
> +	assert(!df_conflict || !resolved); /* df_conflict implies !resolved */
> +	assert(resolved == (merged_version != NULL));
> +
> +	path_info = xcalloc(1, resolved ? sizeof(struct merged_info) :
> +					  sizeof(struct conflict_info));
> +	path_info->merged.directory_name = current_dir_name;
> +	path_info->merged.basename_offset = current_dir_name_len;
> +	path_info->merged.clean = !!resolved;
> +	if (resolved) {
> +		path_info->merged.result.mode = merged_version->mode;
> +		oidcpy(&path_info->merged.result.oid, &merged_version->oid);
> +		path_info->merged.is_null = !!is_null;
> +	} else {
> +		int i;
> +
> +		for (i = 0; i < 3; i++) {
> +			path_info->pathnames[i] = fullpath;
> +			path_info->stages[i].mode = names[i].mode;
> +			oidcpy(&path_info->stages[i].oid, &names[i].oid);
> +		}
> +		path_info->filemask = filemask;
> +		path_info->dirmask = dirmask;
> +		path_info->df_conflict = !!df_conflict;
> +	}
> +	strmap_put(&opt->priv->paths, fullpath, path_info);

So these are placed in paths but not unmerged. I'm starting to wonder if
struct merge_options_internal should be called merge_options_state or
something, and each field having documentation about when they're used
(or better yet, have functions like collect_merge_info() return their
calculations in return values (which may be "out" parameters) instead of
in this struct).

> +	result->string = fullpath;
> +	result->util = path_info;
> +}
> +
>  static int collect_merge_info_callback(int n,
>  				       unsigned long mask,
>  				       unsigned long dirmask,
> @@ -91,10 +136,12 @@ static int collect_merge_info_callback(int n,
>  	 */
>  	struct merge_options *opt = info->data;
>  	struct merge_options_internal *opti = opt->priv;
> -	struct conflict_info *ci;
> +	struct string_list_item pi;  /* Path Info */
> +	struct conflict_info *ci; /* pi.util when there's a conflict */

Looking ahead to patch 10, this seems more like "pi.util unless we know
for sure that there's no conflict".

  reply index

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-02 20:43 [PATCH v2 00/20] fundamentals of merge-ort implementation Elijah Newren
2020-11-02 20:43 ` [PATCH v2 01/20] merge-ort: setup basic internal data structures Elijah Newren
2020-11-06 22:05   ` Jonathan Tan
2020-11-06 22:45     ` Elijah Newren
2020-11-09 20:55       ` Jonathan Tan
2020-11-02 20:43 ` [PATCH v2 02/20] merge-ort: add some high-level algorithm structure Elijah Newren
2020-11-02 20:43 ` [PATCH v2 03/20] merge-ort: port merge_start() from merge-recursive Elijah Newren
2020-11-11 13:52   ` Derrick Stolee
2020-11-11 16:22     ` Elijah Newren
2020-11-02 20:43 ` [PATCH v2 04/20] merge-ort: use histogram diff Elijah Newren
2020-11-11 13:54   ` Derrick Stolee
2020-11-11 16:47     ` Elijah Newren
2020-11-11 16:51       ` Derrick Stolee
2020-11-11 17:03         ` Elijah Newren
2020-11-02 20:43 ` [PATCH v2 05/20] merge-ort: add an err() function similar to one from merge-recursive Elijah Newren
2020-11-11 13:58   ` Derrick Stolee
2020-11-11 17:07     ` Elijah Newren
2020-11-11 17:10       ` Derrick Stolee
2020-11-02 20:43 ` [PATCH v2 06/20] merge-ort: implement a very basic collect_merge_info() Elijah Newren
2020-11-06 22:19   ` Jonathan Tan
2020-11-06 23:10     ` Elijah Newren
2020-11-09 20:59       ` Jonathan Tan
2020-11-11 14:38   ` Derrick Stolee
2020-11-11 17:02     ` Elijah Newren
2020-11-02 20:43 ` [PATCH v2 07/20] merge-ort: avoid repeating fill_tree_descriptor() on the same tree Elijah Newren
2020-11-11 14:51   ` Derrick Stolee
2020-11-11 17:13     ` Elijah Newren
2020-11-11 17:21       ` Eric Sunshine
2020-11-02 20:43 ` [PATCH v2 08/20] merge-ort: compute a few more useful fields for collect_merge_info Elijah Newren
2020-11-06 22:52   ` Jonathan Tan
2020-11-06 23:41     ` Elijah Newren
2020-11-09 22:04       ` Jonathan Tan
2020-11-09 23:05         ` Elijah Newren
2020-11-02 20:43 ` [PATCH v2 09/20] merge-ort: record stage and auxiliary info for every path Elijah Newren
2020-11-06 22:58   ` Jonathan Tan [this message]
2020-11-07  0:26     ` Elijah Newren
2020-11-09 22:09       ` Jonathan Tan
2020-11-09 23:08         ` Elijah Newren
2020-11-11 15:26   ` Derrick Stolee
2020-11-11 18:16     ` Elijah Newren
2020-11-11 22:06       ` Elijah Newren
2020-11-12 18:23         ` Derrick Stolee
2020-11-12 18:39       ` Derrick Stolee
2020-11-02 20:43 ` [PATCH v2 10/20] merge-ort: avoid recursing into identical trees Elijah Newren
2020-11-11 15:31   ` Derrick Stolee
2020-11-02 20:43 ` [PATCH v2 11/20] merge-ort: add a preliminary simple process_entries() implementation Elijah Newren
2020-11-11 19:51   ` Jonathan Tan
2020-11-12  1:48     ` Elijah Newren
2020-11-02 20:43 ` [PATCH v2 12/20] merge-ort: have process_entries operate in a defined order Elijah Newren
2020-11-11 16:09   ` Derrick Stolee
2020-11-11 18:58     ` Elijah Newren
2020-11-02 20:43 ` [PATCH v2 13/20] merge-ort: step 1 of tree writing -- record basenames, modes, and oids Elijah Newren
2020-11-11 20:01   ` Jonathan Tan
2020-11-11 20:24     ` Elijah Newren
2020-11-12 20:39       ` Jonathan Tan
2020-11-02 20:43 ` [PATCH v2 14/20] merge-ort: step 2 of tree writing -- function to create tree object Elijah Newren
2020-11-11 20:47   ` Jonathan Tan
2020-11-11 21:21     ` Elijah Newren
2020-11-02 20:43 ` [PATCH v2 15/20] merge-ort: step 3 of tree writing -- handling subdirectories as we go Elijah Newren
2020-11-12 20:15   ` Jonathan Tan
2020-11-12 22:30     ` Elijah Newren
2020-11-24 20:19       ` Elijah Newren
2020-11-25  2:07         ` Jonathan Tan
2020-11-26 18:13           ` Elijah Newren
2020-11-30 18:41             ` Jonathan Tan
2020-11-02 20:43 ` [PATCH v2 16/20] merge-ort: basic outline for merge_switch_to_result() Elijah Newren
2020-11-02 20:43 ` [PATCH v2 17/20] merge-ort: add implementation of checkout() Elijah Newren
2020-11-02 20:43 ` [PATCH v2 18/20] tree: enable cmp_cache_name_compare() to be used elsewhere Elijah Newren
2020-11-02 20:43 ` [PATCH v2 19/20] merge-ort: add implementation of record_unmerged_index_entries() Elijah Newren
2020-11-02 20:43 ` [PATCH v2 20/20] merge-ort: free data structures in merge_finalize() Elijah Newren
2020-11-03 14:49 ` [PATCH v2 00/20] fundamentals of merge-ort implementation Derrick Stolee
2020-11-03 16:36   ` Elijah Newren
2020-11-07  6:06     ` Elijah Newren
2020-11-07 15:02       ` Derrick Stolee
2020-11-07 19:39         ` Elijah Newren
2020-11-09 12:30           ` Derrick Stolee
2020-11-09 17:13             ` Elijah Newren
2020-11-09 19:51               ` Derrick Stolee
2020-11-09 22:44                 ` Elijah Newren
2020-11-11 17:08 ` Derrick Stolee
2020-11-11 18:35   ` Elijah Newren
2020-11-11 20:48     ` Derrick Stolee
2020-11-11 21:18       ` Elijah Newren
2020-11-29  7:43 [PATCH " Elijah Newren via GitGitGadget
2020-12-04 20:47 ` [PATCH v2 " Elijah Newren via GitGitGadget
2020-12-04 20:47   ` [PATCH v2 09/20] merge-ort: record stage and auxiliary info for every path Elijah Newren via GitGitGadget

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