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[PATCH v1 4/4] preload-index: update GIT_FORCE_PRELOAD_TEST support

From
Ben Peart <benpeart@microsoft.com>
Date
Sep 14, 2018, 14:37 UTC
Message-ID
<20180914143708.63024-5-benpeart@microsoft.com>
In-Reply-To
<20180914143708.63024-1-benpeart@microsoft.com>

Rename GIT_FORCE_PRELOAD_TEST to GIT_TEST_PRELOAD_INDEX for consistency with the other GIT_TEST_ special setups and properly document its use.

Add logic in t/test-lib.sh to give an error when the old variable is set to let people know they need to update their environment to use the new variable. If the new variable is also set, just give a warning so they can eventually remove the old variable.

Signed-off-by: Ben Peart <Ben.Peart@microsoft.com>
---
 preload-index.c             |  3 ++-
 t/README                    |  3 +++
 t/t7519-status-fsmonitor.sh |  4 ++--
 t/test-lib.sh               | 11 +++++++++++
 4 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/preload-index.c b/preload-index.c
index 71cd2437a3..a850e197c2 100644
--- a/preload-index.c
+++ b/preload-index.c
@@ -5,6 +5,7 @@
 #include "pathspec.h"
 #include "dir.h"
 #include "fsmonitor.h"
+#include "config.h"
 
 #ifdef NO_PTHREADS
 static void preload_index(struct index_state *index,
@@ -84,7 +85,7 @@ static void preload_index(struct index_state *index,
 		return;
 
 	threads = index->cache_nr / THREAD_COST;
-	if ((index->cache_nr > 1) && (threads < 2) && getenv("GIT_FORCE_PRELOAD_TEST"))
+	if ((index->cache_nr > 1) && (threads < 2) && git_env_bool("GIT_TEST_PRELOAD_INDEX", 0))
 		threads = 2;
 	if (threads < 2)
 		return;
diff --git a/t/README b/t/README
index 9b13f6d12e..5670c7aad0 100644
--- a/t/README
+++ b/t/README
@@ -327,6 +327,9 @@ GIT_TEST_INDEX_VERSION=<n> exercises the index read/write code path
 for the index version specified.  Can be set to any valid version
 (currently 2, 3, or 4).
 
+GIT_TEST_PRELOAD_INDEX=<boolean> exercises the preload-index code path
+by overriding the minimum number of cache entries required per thread.
+
 Naming Tests
 ------------
 
diff --git a/t/t7519-status-fsmonitor.sh b/t/t7519-status-fsmonitor.sh
index d77012ea6d..8308d6d5b1 100755
--- a/t/t7519-status-fsmonitor.sh
+++ b/t/t7519-status-fsmonitor.sh
@@ -245,9 +245,9 @@ do
 		git config core.preloadIndex $preload_val &&
 		if test $preload_val = true
 		then
-			GIT_FORCE_PRELOAD_TEST=$preload_val; export GIT_FORCE_PRELOAD_TEST
+			GIT_TEST_PRELOAD_INDEX=$preload_val; export GIT_TEST_PRELOAD_INDEX
 		else
-			unset GIT_FORCE_PRELOAD_TEST
+			sane_unset GIT_TEST_PRELOAD_INDEX
 		fi
 	'
 
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 5f5f0f4b55..3f447b8ddc 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -162,6 +162,17 @@ then
 	fi
 fi
 
+if test -n "$GIT_FORCE_PRELOAD_TEST"
+then
+	if test -n "$GIT_TEST_PRELOAD_INDEX"
+	then
+		echo "warning: the GIT_FORCE_PRELOAD_TEST variable has been renamed to GIT_TEST_PRELOAD_INDEX"
+	else
+		echo "error: the GIT_FORCE_PRELOAD_TEST variable has been renamed to GIT_TEST_PRELOAD_INDEX"
+		exit 1
+	fi
+fi
+
 # Add libc MALLOC and MALLOC_PERTURB test
 # only if we are not executing the test with valgrind
 if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
-- 
2.18.0.windows.1
Previous: Ben PeartNext: Ben Peart
Message 21 of 33 in “Cleanup pass on special test setups”
  1. 0/4 Cleanup pass on special test setupsBen Peart, Sep 14, 2018
  2. 1/4 correct typo/spelling error in t/READMEBen Peart, Sep 14, 2018
  3. 2/4 fsmonitor: update GIT_TEST_FSMONITOR supportBen Peart, Sep 14, 2018
  4. Junio C HamanoSep 14, 2018
  5. Junio C HamanoSep 14, 2018
  6. Junio C HamanoSep 14, 2018
  7. Ben PeartSep 14, 2018
  8. Junio C HamanoSep 14, 2018
  9. 0/5 Cleanup pass on special test setupsBen Peart, Sep 14, 2018
  10. 1/5 correct typo/spelling error in t/READMEBen Peart, Sep 14, 2018
  11. Jonathan NiederSep 14, 2018
  12. 2/5 preload-index: teach GIT_FORCE_PRELOAD_TEST to take a booleanBen Peart, Sep 14, 2018
  13. Jonathan NiederSep 14, 2018
  14. Junio C HamanoSep 14, 2018
  15. 3/5 fsmonitor: update GIT_TEST_FSMONITOR supportBen Peart, Sep 14, 2018
  16. 4/5 read-cache: update TEST_GIT_INDEX_VERSION supportBen Peart, Sep 14, 2018
  17. Junio C HamanoSep 14, 2018
  18. Junio C HamanoSep 14, 2018
  19. 5/5 preload-index: update GIT_FORCE_PRELOAD_TEST supportBen Peart, Sep 14, 2018
  20. 3/4 read-cache: update TEST_GIT_INDEX_VERSION supportBen Peart, Sep 14, 2018
  21. 4/4 preload-index: update GIT_FORCE_PRELOAD_TEST supportBen Peart, Sep 14, 2018
  22. 0/5 Cleanup pass on special test setupsBen Peart, Sep 18, 2018
  23. 1/5 t/README: correct spelling of "uncommon"Ben Peart, Sep 18, 2018
  24. 2/5 preload-index: use git_env_bool() not getenv() for customizationBen Peart, Sep 18, 2018
  25. 3/5 fsmonitor: update GIT_TEST_FSMONITOR supportBen Peart, Sep 18, 2018
  26. SZEDER GáborSep 28, 2018
  27. Ben PeartSep 28, 2018
  28. Ben PeartSep 28, 2018
  29. Junio C HamanoSep 28, 2018
  30. 4/5 read-cache: update TEST_GIT_INDEX_VERSION supportBen Peart, Sep 18, 2018
  31. 5/5 preload-index: update GIT_FORCE_PRELOAD_TEST supportBen Peart, Sep 18, 2018
  32. Re*: [PATCH v3 0/5] Cleanup pass on special test setupsJunio C Hamano, Sep 20, 2018
  33. Ben PeartSep 25, 2018

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