From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Derrick Stolee via GitGitGadget <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, peff@peff.net, jnareb@gmail.com,
pclouds@gmail.com, carenas@gmail.com, avarab@gmail.com,
Junio C Hamano <gitster@pobox.com>,
Derrick Stolee <dstolee@microsoft.com>
Subject: Re: [PATCH 1/5] repo-settings: consolidate some config settings
Date: Tue, 23 Jul 2019 15:12:17 +0200 (CEST) [thread overview]
Message-ID: <nycvar.QRO.7.76.6.1907231512130.21907@tvgsbejvaqbjf.bet> (raw)
In-Reply-To: <72f652b89c71526cc423e7812de66f41a079f181.1563818059.git.gitgitgadget@gmail.com>
Hi Stolee,
On Mon, 22 Jul 2019, Derrick Stolee via GitGitGadget wrote:
> diff --git a/builtin/gc.c b/builtin/gc.c
> index c18efadda5..243be2907b 100644
> --- a/builtin/gc.c
> +++ b/builtin/gc.c
> @@ -27,6 +27,7 @@
> #include "pack-objects.h"
> #include "blob.h"
> #include "tree.h"
> +#include "repo-settings.h"
>
> #define FAILED_RUN "failed to run %s"
>
> @@ -41,7 +42,6 @@ static int aggressive_depth = 50;
> static int aggressive_window = 250;
> static int gc_auto_threshold = 6700;
> static int gc_auto_pack_limit = 50;
> -static int gc_write_commit_graph;
I _really_ like that direction. Anything that removes global state will
improve Git's source code.
> [...]
> diff --git a/read-cache.c b/read-cache.c
> index c701f7f8b8..ee1aaa8917 100644
> --- a/read-cache.c
> +++ b/read-cache.c
> [...]
> @@ -2765,7 +2767,7 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
> }
>
> if (!istate->version) {
> - istate->version = get_index_format_default();
> + istate->version = get_index_format_default(the_repository);
It is too bad that `read-cache.h` is not `the_repository`-free at the
moment...
> if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0))
> init_split_index(istate);
> }
> diff --git a/repo-settings.c b/repo-settings.c
> new file mode 100644
> index 0000000000..13a9128f62
> --- /dev/null
> +++ b/repo-settings.c
> @@ -0,0 +1,44 @@
> +#include "cache.h"
> +#include "repository.h"
> +#include "config.h"
> +#include "repo-settings.h"
> +
> +static int git_repo_config(const char *key, const char *value, void *cb)
> +{
> + struct repo_settings *rs = (struct repo_settings *)cb;
> +
> + if (!strcmp(key, "core.commitgraph")) {
> + rs->core_commit_graph = git_config_bool(key, value);
> + return 0;
> + }
> + if (!strcmp(key, "gc.writecommitgraph")) {
> + rs->gc_write_commit_graph = git_config_bool(key, value);
> + return 0;
> + }
> + if (!strcmp(key, "pack.usesparse")) {
> + rs->pack_use_sparse = git_config_bool(key, value);
> + return 0;
> + }
> + if (!strcmp(key, "index.version")) {
> + rs->index_version = git_config_int(key, value);
> + return 0;
> + }
I would actually prefer to use the `repo_config_get_*()` family here.
That way, we really avoid re-parsing the config.
> +
> + return 1;
> +}
> +
> +void prepare_repo_settings(struct repository *r)
> +{
> + if (r->settings)
> + return;
> +
> + r->settings = xmalloc(sizeof(*r->settings));
> +
> + /* Defaults */
> + r->settings->core_commit_graph = -1;
> + r->settings->gc_write_commit_graph = -1;
> + r->settings->pack_use_sparse = -1;
> + r->settings->index_version = -1;
> +
> + repo_config(r, git_repo_config, r->settings);
> +}
> diff --git a/repo-settings.h b/repo-settings.h
> new file mode 100644
> index 0000000000..1151c2193a
> --- /dev/null
> +++ b/repo-settings.h
> @@ -0,0 +1,15 @@
> +#ifndef REPO_SETTINGS_H
> +#define REPO_SETTINGS_H
> +
> +struct repo_settings {
> + int core_commit_graph;
> + int gc_write_commit_graph;
> + int pack_use_sparse;
> + int index_version;
> +};
> +
> +struct repository;
> +
> +void prepare_repo_settings(struct repository *r);
Hmm. I can see that you wanted to encapsulate this, but I do not really
agree that this needs to be encapsulated away from `repository.h`. I'd
rather declare `struct repo_settings` in `repository.h` and then make
the `settings` a field of that type (as opposed to a pointer to that
type). In general, I like to avoid unnecessary `malloc()`s, and this
here instance is one of them.
Thanks,
Dscho
> +
> +#endif /* REPO_SETTINGS_H */
> diff --git a/repository.h b/repository.h
> index 4fb6a5885f..352afc9cd8 100644
> --- a/repository.h
> +++ b/repository.h
> @@ -4,6 +4,7 @@
> #include "path.h"
>
> struct config_set;
> +struct repo_settings;
> struct git_hash_algo;
> struct index_state;
> struct lock_file;
> @@ -72,6 +73,8 @@ struct repository {
> */
> char *submodule_prefix;
>
> + struct repo_settings *settings;
> +
> /* Subsystems */
> /*
> * Repository's config which contains key-value pairs from the usual
> --
> gitgitgadget
>
>
next prev parent reply other threads:[~2019-07-23 13:13 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-22 17:54 [PATCH 0/5] Create 'feature.*' config area and some centralized config parsing Derrick Stolee via GitGitGadget
2019-07-22 17:54 ` [PATCH 1/5] repo-settings: consolidate some config settings Derrick Stolee via GitGitGadget
2019-07-23 13:12 ` Johannes Schindelin [this message]
2019-07-22 17:54 ` [PATCH 2/5] repo-settings: add feature.manyCommits setting Derrick Stolee via GitGitGadget
2019-07-23 14:53 ` Johannes Schindelin
2019-07-24 10:41 ` Derrick Stolee
2019-07-22 17:54 ` [PATCH 4/5] repo-settings: create feature.manyFiles setting Derrick Stolee via GitGitGadget
2019-07-22 17:54 ` [PATCH 3/5] repo-settings: parse core.untrackedCache Derrick Stolee via GitGitGadget
2019-07-23 15:04 ` Johannes Schindelin
2019-07-24 19:27 ` Derrick Stolee
2019-07-22 17:54 ` [PATCH 5/5] repo-settings: create feature.experimental setting Derrick Stolee via GitGitGadget
2019-07-23 15:20 ` Johannes Schindelin
2019-07-25 1:47 ` Derrick Stolee
2019-07-25 2:23 ` [PATCH v2 0/5] Create 'feature.*' config area and some centralized config parsing Derrick Stolee via GitGitGadget
2019-07-25 2:23 ` [PATCH v2 2/5] repo-settings: add feature.manyCommits setting Derrick Stolee via GitGitGadget
2019-07-25 2:23 ` [PATCH v2 1/5] repo-settings: consolidate some config settings Derrick Stolee via GitGitGadget
2019-07-25 9:30 ` Johannes Schindelin
2019-07-25 2:23 ` [PATCH v2 3/5] repo-settings: parse core.untrackedCache Derrick Stolee via GitGitGadget
2019-07-25 9:36 ` Johannes Schindelin
2019-07-25 2:23 ` [PATCH v2 4/5] repo-settings: create feature.manyFiles setting Derrick Stolee via GitGitGadget
2019-07-25 2:23 ` [PATCH v2 5/5] repo-settings: create feature.experimental setting Derrick Stolee via GitGitGadget
2019-07-25 9:40 ` [PATCH v2 0/5] Create 'feature.*' config area and some centralized config parsing Johannes Schindelin
2019-07-30 19:35 ` [PATCH v3 " Derrick Stolee via GitGitGadget
2019-07-30 19:35 ` [PATCH v3 1/5] repo-settings: consolidate some config settings Derrick Stolee via GitGitGadget
2019-07-30 20:47 ` Junio C Hamano
2019-07-30 19:35 ` [PATCH v3 2/5] repo-settings: add feature.manyCommits setting Derrick Stolee via GitGitGadget
2019-07-30 20:57 ` Junio C Hamano
2019-07-31 13:17 ` Johannes Schindelin
2019-07-31 15:48 ` Junio C Hamano
2019-07-31 15:01 ` Ævar Arnfjörð Bjarmason
2019-08-01 18:27 ` Derrick Stolee
2019-07-30 19:35 ` [PATCH v3 4/5] repo-settings: create feature.manyFiles setting Derrick Stolee via GitGitGadget
2019-07-30 19:35 ` [PATCH v3 3/5] repo-settings: parse core.untrackedCache Derrick Stolee via GitGitGadget
2019-07-30 19:35 ` [PATCH v3 5/5] repo-settings: create feature.experimental setting Derrick Stolee via GitGitGadget
2019-08-08 18:34 ` Elijah Newren
2019-08-08 18:48 ` Derrick Stolee
2019-08-08 18:59 ` Junio C Hamano
2019-08-08 19:12 ` Derrick Stolee
2019-08-08 20:31 ` Elijah Newren
2019-08-08 20:49 ` Derrick Stolee
2019-08-08 19:19 ` Elijah Newren
2019-08-08 20:07 ` Junio C Hamano
2019-08-08 20:46 ` Derrick Stolee
2019-08-13 18:37 ` [PATCH v4 0/6] Create 'feature.*' config area and some centralized config parsing Derrick Stolee via GitGitGadget
2019-08-13 18:37 ` [PATCH v4 1/6] repo-settings: consolidate some config settings Derrick Stolee via GitGitGadget
2019-08-13 18:37 ` [PATCH v4 2/6] t6501: use 'git gc' in quiet mode Derrick Stolee via GitGitGadget
2019-08-13 18:37 ` [PATCH v4 3/6] commit-graph: turn on commit-graph by default Derrick Stolee via GitGitGadget
2021-09-20 0:42 ` Junio C Hamano
2021-09-20 1:22 ` Ævar Arnfjörð Bjarmason
2021-09-20 1:25 ` brian m. carlson
2021-09-20 12:53 ` Phillip Wood
2021-09-20 13:30 ` Ævar Arnfjörð Bjarmason
2021-09-20 18:00 ` Phillip Wood
2021-09-20 19:18 ` Jeff King
2019-08-13 18:37 ` [PATCH v4 4/6] repo-settings: parse core.untrackedCache Derrick Stolee via GitGitGadget
2019-08-13 18:37 ` [PATCH v4 5/6] repo-settings: create feature.manyFiles setting Derrick Stolee via GitGitGadget
2019-08-13 18:37 ` [PATCH v4 6/6] repo-settings: create feature.experimental setting Derrick Stolee via GitGitGadget
2019-08-13 21:04 ` [PATCH v4 0/6] Create 'feature.*' config area and some centralized config parsing Junio C Hamano
2019-08-13 21:08 ` Junio C Hamano
2019-08-14 10:32 ` Derrick Stolee
2019-08-14 10:38 ` Derrick Stolee
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