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[PATCH v2 2/5] environment.c: remove test-specific "ignore_untracked..." variable

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Sep 16, 2021, 18:30 UTC
Message-ID
<patch-v2-2.5-57290842f0f-20210916T182918Z-avarab@gmail.com>
In-Reply-To
<cover-v2-0.5-00000000000-20210916T182918Z-avarab@gmail.com>

Instead of the global ignore_untracked_cache_config variable added in dae6c322fa1 (test-dump-untracked-cache: don't modify the untracked cache, 2016-01-27) we can make use of the new facility to set config via environment variables added in d8d77153eaf (config: allow specifying config entries via envvar pairs, 2021-01-12).

It's arguably a bit hacky to use setenv() and getenv() to pass messages between the same program, but since the test helpers are not the main intended audience of repo-settings.c I think it's better than hardcoding the test-only special-case in prepare_repo_settings().

This uses the xsetenv() wrapper added in the preceding commit, if we don't set these in the environment we'll fail in t7063-status-untracked-cache.sh, but let's fail earlier anyway if that were to happen.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 cache.h                              | 7 -------
 environment.c                        | 7 -------
 repo-settings.c                      | 7 +------
 t/helper/test-dump-untracked-cache.c | 6 ++++--
 4 files changed, 5 insertions(+), 22 deletions(-)
diff --git a/cache.h b/cache.h
index d23de693680..8e60fdd2a12 100644
--- a/cache.h
+++ b/cache.h
@@ -1719,13 +1719,6 @@ int update_server_info(int);
 const char *get_log_output_encoding(void);
 const char *get_commit_output_encoding(void);
 
-/*
- * This is a hack for test programs like test-dump-untracked-cache to
- * ensure that they do not modify the untracked cache when reading it.
- * Do not use it otherwise!
- */
-extern int ignore_untracked_cache_config;
-
 int committer_ident_sufficiently_given(void);
 int author_ident_sufficiently_given(void);
 
diff --git a/environment.c b/environment.c
index 7d8a949285c..d73dd0c42f7 100644
--- a/environment.c
+++ b/environment.c
@@ -96,13 +96,6 @@ int auto_comment_line_char;
 /* Parallel index stat data preload? */
 int core_preload_index = 1;
 
-/*
- * This is a hack for test programs like test-dump-untracked-cache to
- * ensure that they do not modify the untracked cache when reading it.
- * Do not use it otherwise!
- */
-int ignore_untracked_cache_config;
-
 /* This is set by setup_git_dir_gently() and/or git_default_config() */
 char *git_work_tree_cfg;
 
diff --git a/repo-settings.c b/repo-settings.c
index 0cfe8b787db..b0df8b93b86 100644
--- a/repo-settings.c
+++ b/repo-settings.c
@@ -70,12 +70,7 @@ void prepare_repo_settings(struct repository *r)
 	if (!repo_config_get_bool(r, "feature.experimental", &value) && value)
 		UPDATE_DEFAULT_BOOL(r->settings.fetch_negotiation_algorithm, FETCH_NEGOTIATION_SKIPPING);
 
-	/* Hack for test programs like test-dump-untracked-cache */
-	if (ignore_untracked_cache_config)
-		r->settings.core_untracked_cache = UNTRACKED_CACHE_KEEP;
-	else
-		UPDATE_DEFAULT_BOOL(r->settings.core_untracked_cache, UNTRACKED_CACHE_KEEP);
-
+	UPDATE_DEFAULT_BOOL(r->settings.core_untracked_cache, UNTRACKED_CACHE_KEEP);
 	UPDATE_DEFAULT_BOOL(r->settings.fetch_negotiation_algorithm, FETCH_NEGOTIATION_DEFAULT);
 
 	/*
diff --git a/t/helper/test-dump-untracked-cache.c b/t/helper/test-dump-untracked-cache.c
index cf0f2c7228e..99010614f6d 100644
--- a/t/helper/test-dump-untracked-cache.c
+++ b/t/helper/test-dump-untracked-cache.c
@@ -45,8 +45,10 @@ int cmd__dump_untracked_cache(int ac, const char **av)
 	struct untracked_cache *uc;
 	struct strbuf base = STRBUF_INIT;
 
-	/* Hack to avoid modifying the untracked cache when we read it */
-	ignore_untracked_cache_config = 1;
+	/* Set core.untrackedCache=keep before setup_git_directory() */
+	xsetenv("GIT_CONFIG_COUNT", "1", 1);
+	xsetenv("GIT_CONFIG_KEY_0", "core.untrackedCache", 1);
+	xsetenv("GIT_CONFIG_VALUE_0", "keep", 1);
 
 	setup_git_directory();
 	if (read_cache() < 0)
-- 
2.33.0.1092.g44c994ea1be
Previous: Ævar Arnfjörð BjarmasonNext: Junio C Hamano
Message 5 of 34 in “repo-settings.c: refactor for clarity, get rid of hacks etc.”
  1. 0/5 repo-settings.c: refactor for clarity, get rid of hacks etc.Ævar Arnfjörð Bjarmason, Sep 16, 2021
  2. 1/5 wrapper.c: add x{un,}setenv(), and use xsetenv() in environment.cÆvar Arnfjörð Bjarmason, Sep 16, 2021
  3. Junio C HamanoSep 17, 2021
  4. Ævar Arnfjörð BjarmasonSep 17, 2021
  5. 2/5 environment.c: remove test-specific "ignore_untracked..." variableÆvar Arnfjörð Bjarmason, Sep 16, 2021
  6. Junio C HamanoSep 17, 2021
  7. 3/5 read-cache & fetch-negotiator: check "enum" values in switch()Ævar Arnfjörð Bjarmason, Sep 16, 2021
  8. Junio C HamanoSep 17, 2021
  9. 5/5 repository.h: don't use a mix of int and bitfieldsÆvar Arnfjörð Bjarmason, Sep 16, 2021
  10. 4/5 repo-settings.c: simplify the setupÆvar Arnfjörð Bjarmason, Sep 16, 2021
  11. 0/5 repo-settings.c: refactor for clarity, get rid of hacks etc.Ævar Arnfjörð Bjarmason, Sep 19, 2021
  12. 2/5 environment.c: remove test-specific "ignore_untracked..." variableÆvar Arnfjörð Bjarmason, Sep 19, 2021
  13. Taylor BlauSep 20, 2021
  14. Ævar Arnfjörð BjarmasonSep 20, 2021
  15. 1/5 wrapper.c: add x{un,}setenv(), and use xsetenv() in environment.cÆvar Arnfjörð Bjarmason, Sep 19, 2021
  16. Taylor BlauSep 20, 2021
  17. Ævar Arnfjörð BjarmasonSep 20, 2021
  18. 3/5 read-cache & fetch-negotiator: check "enum" values in switch()Ævar Arnfjörð Bjarmason, Sep 19, 2021
  19. Taylor BlauSep 20, 2021
  20. Ævar Arnfjörð BjarmasonSep 20, 2021
  21. 5/5 repository.h: don't use a mix of int and bitfieldsÆvar Arnfjörð Bjarmason, Sep 19, 2021
  22. Taylor BlauSep 20, 2021
  23. 4/5 repo-settings.c: simplify the setupÆvar Arnfjörð Bjarmason, Sep 19, 2021
  24. Derrick StoleeSep 20, 2021
  25. Taylor BlauSep 20, 2021
  26. 0/5 repo-settings.c: refactor for clarity, get rid of hacks etc.Ævar Arnfjörð Bjarmason, Sep 21, 2021
  27. 1/5 wrapper.c: add x{un,}setenv(), and use xsetenv() in environment.cÆvar Arnfjörð Bjarmason, Sep 21, 2021
  28. 2/5 environment.c: remove test-specific "ignore_untracked..." variableÆvar Arnfjörð Bjarmason, Sep 21, 2021
  29. 3/5 read-cache & fetch-negotiator: check "enum" values in switch()Ævar Arnfjörð Bjarmason, Sep 21, 2021
  30. 4/5 repo-settings.c: simplify the setupÆvar Arnfjörð Bjarmason, Sep 21, 2021
  31. 5/5 repository.h: don't use a mix of int and bitfieldsÆvar Arnfjörð Bjarmason, Sep 21, 2021
  32. Derrick StoleeSep 21, 2021
  33. Taylor BlauSep 21, 2021
  34. Junio C HamanoSep 22, 2021

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