From: Derrick Stolee <stolee@gmail.com>
To: Elijah Newren via GitGitGadget <gitgitgadget@gmail.com>,
git@vger.kernel.org
Cc: Derrick Stolee <dstolee@microsoft.com>, Elijah Newren <newren@gmail.com>
Subject: Re: [PATCH v2 04/18] unpack-trees: simplify pattern_list freeing
Date: Mon, 23 Mar 2020 11:57:21 -0400 [thread overview]
Message-ID: <d99a17b6-49ab-51d9-621d-adf6eb0b7ffa@gmail.com> (raw)
In-Reply-To: <65772dd46df12d79a41e7ed2d6e1fc197b80d379.1584813609.git.gitgitgadget@gmail.com>
On 3/21/2020 1:59 PM, Elijah Newren via GitGitGadget wrote:
> From: Elijah Newren <newren@gmail.com>
>
> commit e091228e17 ("sparse-checkout: update working directory
> in-process", 2019-11-21) allowed passing a pre-defined set of patterns
> to unpack_trees(). However, if o->pl was NULL, it would still read the
> existing patterns and use those. If those patterns were read into a
> data structure that was allocated, naturally they needed to be free'd.
> However, despite the same function being responsible for knowing about
> both the allocation and the free'ing, the logic for tracking whether to
> free the pattern_list was hoisted to an outer function with an
> additional flag in unpack_trees_options. Put the logic back in the
> relevant function and discard the now unnecessary flag.
Your approach here is much cleaner. Thanks!
> Signed-off-by: Elijah Newren <newren@gmail.com>
> ---
> builtin/sparse-checkout.c | 1 -
> unpack-trees.c | 6 ++++--
> unpack-trees.h | 3 +--
> 3 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/builtin/sparse-checkout.c b/builtin/sparse-checkout.c
> index 740da4b6d54..d102a9697fd 100644
> --- a/builtin/sparse-checkout.c
> +++ b/builtin/sparse-checkout.c
> @@ -122,7 +122,6 @@ static int update_working_directory(struct pattern_list *pl)
> o.dst_index = r->index;
> o.skip_sparse_checkout = 0;
> o.pl = pl;
> - o.keep_pattern_list = !!pl;
>
> resolve_undo_clear_index(r->index);
> setup_work_tree();
> diff --git a/unpack-trees.c b/unpack-trees.c
> index 3af2e126abf..d2863fa0310 100644
> --- a/unpack-trees.c
> +++ b/unpack-trees.c
> @@ -1503,6 +1503,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
> int i, ret;
> static struct cache_entry *dfc;
> struct pattern_list pl;
> + int free_pattern_list = 0;
>
> if (len > MAX_UNPACK_TREES)
> die("unpack_trees takes at most %d trees", MAX_UNPACK_TREES);
> @@ -1519,6 +1520,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
> else
> o->pl = &pl;
> free(sparse);
> + free_pattern_list = 1;
> }
>
> memset(&o->result, 0, sizeof(o->result));
> @@ -1686,9 +1688,9 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
> o->src_index = NULL;
>
> done:
> - trace_performance_leave("unpack_trees");
> - if (!o->keep_pattern_list)
> + if (free_pattern_list)
> clear_pattern_list(&pl);
> + trace_performance_leave("unpack_trees");
> return ret;
>
> return_failed:
> diff --git a/unpack-trees.h b/unpack-trees.h
> index 6d7c7b6c2e0..d3516267f36 100644
> --- a/unpack-trees.h
> +++ b/unpack-trees.h
> @@ -58,8 +58,7 @@ struct unpack_trees_options {
> quiet,
> exiting_early,
> show_all_errors,
> - dry_run,
> - keep_pattern_list;
> + dry_run;
> const char *prefix;
> int cache_bottom;
> struct dir_struct *dir;
>
next prev parent reply other threads:[~2020-03-23 15:57 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-14 7:11 [PATCH 0/7] Sparse checkout improvements -- improved sparsity updating Elijah Newren via GitGitGadget
2020-03-14 7:11 ` [PATCH 1/7] unpack-trees: fix minor typo in comment Elijah Newren via GitGitGadget
2020-03-14 7:11 ` [PATCH 2/7] t1091: make some tests a little more defensive against failures Elijah Newren via GitGitGadget
2020-03-14 7:11 ` [PATCH 3/7] unpack-trees: allow check_updates() to work on a different index Elijah Newren via GitGitGadget
2020-03-14 7:11 ` [PATCH 4/7] unpack-trees: do not mark a dirty path with SKIP_WORKTREE Elijah Newren via GitGitGadget
2020-03-15 14:39 ` Derrick Stolee
2020-03-14 7:11 ` [PATCH 5/7] unpack-trees: add a new update_sparsity() function Elijah Newren via GitGitGadget
2020-03-15 18:17 ` Derrick Stolee
2020-03-16 20:24 ` Elijah Newren
2020-03-14 7:11 ` [PATCH 6/7] sparse-checkout: use " Elijah Newren via GitGitGadget
2020-03-15 16:19 ` Derrick Stolee
2020-03-16 17:02 ` Elijah Newren
2020-03-14 7:11 ` [PATCH 7/7] sparse-checkout: provide a new update subcommand Elijah Newren via GitGitGadget
2020-03-15 16:24 ` Derrick Stolee
2020-03-16 17:05 ` Elijah Newren
2020-03-16 17:18 ` Derrick Stolee
2020-03-16 19:23 ` Elijah Newren
2020-03-15 12:26 ` [PATCH 0/7] Sparse checkout improvements -- improved sparsity updating Derrick Stolee
2020-03-21 17:59 ` [PATCH v2 00/18] " Elijah Newren via GitGitGadget
2020-03-21 17:59 ` [PATCH v2 01/18] unpack-trees: fix minor typo in comment Elijah Newren via GitGitGadget
2020-03-21 17:59 ` [PATCH v2 02/18] unpack-trees: remove unused error type Elijah Newren via GitGitGadget
2020-03-21 17:59 ` [PATCH v2 03/18] unpack-trees: simplify verify_absent_sparse() Elijah Newren via GitGitGadget
2020-03-21 17:59 ` [PATCH v2 04/18] unpack-trees: simplify pattern_list freeing Elijah Newren via GitGitGadget
2020-03-23 15:57 ` Derrick Stolee [this message]
2020-03-21 17:59 ` [PATCH v2 05/18] t1091: make some tests a little more defensive against failures Elijah Newren via GitGitGadget
2020-03-21 17:59 ` [PATCH v2 06/18] unpack-trees: allow check_updates() to work on a different index Elijah Newren via GitGitGadget
2020-03-21 17:59 ` [PATCH v2 07/18] unpack-trees: do not mark a dirty path with SKIP_WORKTREE Elijah Newren via GitGitGadget
2020-03-21 17:59 ` [PATCH v2 08/18] unpack-trees: pull sparse-checkout pattern reading into a new function Elijah Newren via GitGitGadget
2020-03-21 18:00 ` [PATCH v2 09/18] unpack-trees: add a new update_sparsity() function Elijah Newren via GitGitGadget
2020-03-23 18:02 ` Derrick Stolee
2020-03-23 18:10 ` Elijah Newren
2020-03-23 18:21 ` Derrick Stolee
2020-03-23 20:24 ` Junio C Hamano
2020-03-21 18:00 ` [PATCH v2 10/18] sparse-checkout: use " Elijah Newren via GitGitGadget
2020-03-23 18:07 ` Derrick Stolee
2020-03-23 18:14 ` Elijah Newren
2020-03-23 18:22 ` Derrick Stolee
2020-03-21 18:00 ` [PATCH v2 11/18] sparse-checkout: use improved unpack_trees porcelain messages Elijah Newren via GitGitGadget
2020-03-21 18:00 ` [PATCH v2 12/18] unpack-trees: move ERROR_WOULD_LOSE_SUBMODULE earlier Elijah Newren via GitGitGadget
2020-03-21 18:00 ` [PATCH v2 13/18] unpack-trees: rename ERROR_* fields meant for warnings to WARNING_* Elijah Newren via GitGitGadget
2020-03-21 18:00 ` [PATCH v2 14/18] unpack-trees: split display_error_msgs() into two Elijah Newren via GitGitGadget
2020-03-23 18:32 ` Derrick Stolee
2020-03-21 18:00 ` [PATCH v2 15/18] unpack-trees: make sparse path messages sound like warnings Elijah Newren via GitGitGadget
2020-03-21 18:00 ` [PATCH v2 16/18] unpack-trees: provide warnings on sparse updates for unmerged paths too Elijah Newren via GitGitGadget
2020-03-21 18:00 ` [PATCH v2 17/18] unpack-trees: failure to set SKIP_WORKTREE bits always just a warning Elijah Newren via GitGitGadget
2020-03-21 18:00 ` [PATCH v2 18/18] sparse-checkout: provide a new reapply subcommand Elijah Newren via GitGitGadget
2020-03-23 18:40 ` Derrick Stolee
2020-03-23 18:41 ` [PATCH v2 00/18] Sparse checkout improvements -- improved sparsity updating Derrick Stolee
2020-03-23 20:26 ` Junio C Hamano
2020-03-27 0:48 ` [PATCH v3 " Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 01/18] unpack-trees: fix minor typo in comment Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 02/18] unpack-trees: remove unused error type Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 03/18] unpack-trees: simplify verify_absent_sparse() Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 04/18] unpack-trees: simplify pattern_list freeing Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 05/18] t1091: make some tests a little more defensive against failures Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 06/18] unpack-trees: allow check_updates() to work on a different index Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 07/18] unpack-trees: do not mark a dirty path with SKIP_WORKTREE Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 08/18] unpack-trees: pull sparse-checkout pattern reading into a new function Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 09/18] unpack-trees: add a new update_sparsity() function Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 10/18] sparse-checkout: use " Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 11/18] sparse-checkout: use improved unpack_trees porcelain messages Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 12/18] unpack-trees: move ERROR_WOULD_LOSE_SUBMODULE earlier Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 13/18] unpack-trees: rename ERROR_* fields meant for warnings to WARNING_* Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 14/18] unpack-trees: split display_error_msgs() into two Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 15/18] unpack-trees: make sparse path messages sound like warnings Elijah Newren via GitGitGadget
2020-03-27 0:48 ` [PATCH v3 16/18] unpack-trees: provide warnings on sparse updates for unmerged paths too Elijah Newren via GitGitGadget
2020-03-27 0:49 ` [PATCH v3 17/18] unpack-trees: failure to set SKIP_WORKTREE bits always just a warning Elijah Newren via GitGitGadget
2020-03-27 0:49 ` [PATCH v3 18/18] sparse-checkout: provide a new reapply subcommand Elijah Newren via GitGitGadget
2020-03-27 13:22 ` [PATCH v3 00/18] Sparse checkout improvements -- improved sparsity updating Derrick Stolee
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