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[PATCH v3 1/2] t3700: avoid suppressing git's exit code

From
Siddharth Shrimali <r.siddharth.shrimali@gmail.com>
Date
Mar 3, 2026, 20:40 UTC
Message-ID
<20260303204029.52952-2-r.siddharth.shrimali@gmail.com>
In-Reply-To
<20260303204029.52952-1-r.siddharth.shrimali@gmail.com>

Replace pipelines involving git commands with temporary files (actual) to ensure that any crashes or unexpected exit codes from the git commands are properly caught by the test suite. A simple pipeline like 'git foo | grep bar' ignores the exit code of 'git', which can hide regressions.

In cases where we were counting lines with 'wc -l' to ensure a pattern was absent, simplify the logic to use '! grep' to avoid subshells entirely.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Siddharth Shrimali <r.siddharth.shrimali@gmail.com>
---
 t/t3700-add.sh | 43 ++++++++++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 15 deletions(-)
diff --git a/t/t3700-add.sh b/t/t3700-add.sh
index af93e53c12..c9ce2f758c 100755
--- a/t/t3700-add.sh
+++ b/t/t3700-add.sh
@@ -38,7 +38,8 @@ test_expect_success 'Test with no pathspecs' '
 '
 
 test_expect_success 'Post-check that foo is in the index' '
-	git ls-files foo | grep foo
+	git ls-files foo >actual &&
+	grep foo actual
 '
 
 test_expect_success 'Test that "git add -- -q" works' '
@@ -195,8 +196,9 @@ test_expect_success 'git add with filemode=0, symlinks=0, and unmerged entries'
 	echo new > file &&
 	echo new > symlink &&
 	git add file symlink &&
-	git ls-files --stage | grep "^100755 .* 0	file$" &&
-	git ls-files --stage | grep "^120000 .* 0	symlink$"
+	git ls-files --stage >actual &&
+	grep "^100755 .* 0	file$" actual &&
+	grep "^120000 .* 0	symlink$" actual
 '
 
 test_expect_success 'git add with filemode=0, symlinks=0 prefers stage 2 over stage 1' '
@@ -212,8 +214,9 @@ test_expect_success 'git add with filemode=0, symlinks=0 prefers stage 2 over st
 	echo new > file &&
 	echo new > symlink &&
 	git add file symlink &&
-	git ls-files --stage | grep "^100755 .* 0	file$" &&
-	git ls-files --stage | grep "^120000 .* 0	symlink$"
+	git ls-files --stage >actual &&
+	grep "^100755 .* 0	file$" actual &&
+	grep "^120000 .* 0	symlink$" actual
 '
 
 test_expect_success 'git add --refresh' '
@@ -254,7 +257,8 @@ test_expect_success POSIXPERM,SANITY 'git add should fail atomically upon an unr
 	date >foo2 &&
 	chmod 0 foo2 &&
 	test_must_fail git add --verbose . &&
-	! ( git ls-files foo1 | grep foo1 )
+	git ls-files foo1 >actual &&
+	! grep foo1 actual
 '
 
 rm -f foo2
@@ -265,7 +269,8 @@ test_expect_success POSIXPERM,SANITY 'git add --ignore-errors' '
 	date >foo2 &&
 	chmod 0 foo2 &&
 	test_must_fail git add --verbose --ignore-errors . &&
-	git ls-files foo1 | grep foo1
+	git ls-files foo1 >actual &&
+	grep foo1 actual
 '
 
 rm -f foo2
@@ -277,7 +282,8 @@ test_expect_success POSIXPERM,SANITY 'git add (add.ignore-errors)' '
 	date >foo2 &&
 	chmod 0 foo2 &&
 	test_must_fail git add --verbose . &&
-	git ls-files foo1 | grep foo1
+	git ls-files foo1 >actual &&
+	grep foo1 actual
 '
 rm -f foo2
 
@@ -288,7 +294,8 @@ test_expect_success POSIXPERM,SANITY 'git add (add.ignore-errors = false)' '
 	date >foo2 &&
 	chmod 0 foo2 &&
 	test_must_fail git add --verbose . &&
-	! ( git ls-files foo1 | grep foo1 )
+	git ls-files foo1 >actual &&
+	! grep foo1 actual
 '
 rm -f foo2
 
@@ -299,7 +306,8 @@ test_expect_success POSIXPERM,SANITY '--no-ignore-errors overrides config' '
 	date >foo2 &&
 	chmod 0 foo2 &&
 	test_must_fail git add --verbose --no-ignore-errors . &&
-	! ( git ls-files foo1 | grep foo1 ) &&
+	git ls-files foo1 >actual &&
+	! grep foo1 actual &&
 	git config add.ignore-errors 0
 '
 rm -f foo2
@@ -308,8 +316,10 @@ test_expect_success BSLASHPSPEC "git add 'fo\\[ou\\]bar' ignores foobar" '
 	git reset --hard &&
 	touch fo\[ou\]bar foobar &&
 	git add '\''fo\[ou\]bar'\'' &&
-	git ls-files fo\[ou\]bar | grep -F fo\[ou\]bar &&
-	! ( git ls-files foobar | grep foobar )
+	git ls-files fo\[ou\]bar >actual &&
+	grep -F fo\[ou\]bar actual &&
+	git ls-files foobar >actual &&
+	! grep foobar actual
 '
 
 test_expect_success 'git add to resolve conflicts on otherwise ignored path' '
@@ -326,7 +336,8 @@ test_expect_success 'git add to resolve conflicts on otherwise ignored path' '
 
 test_expect_success '"add non-existent" should fail' '
 	test_must_fail git add non-existent &&
-	! (git ls-files | grep "non-existent")
+	git ls-files >actual &&
+	! grep "non-existent" actual
 '
 
 test_expect_success 'git add -A on empty repo does not error out' '
@@ -536,9 +547,11 @@ test_expect_success 'all statuses changed in folder if . is given' '
 		touch x y z sub/a sub/dir/b &&
 		git add -A &&
 		git add --chmod=+x . &&
-		test $(git ls-files --stage | grep ^100644 | wc -l) -eq 0 &&
+		git ls-files --stage >actual &&
+		! grep ^100644 actual &&
 		git add --chmod=-x . &&
-		test $(git ls-files --stage | grep ^100755 | wc -l) -eq 0
+		git ls-files --stage >actual &&
+		! grep ^100755 actual
 	)
 '
 
-- 
2.51.2
Previous: Siddharth ShrimaliNext: Siddharth Shrimali
Message 2 of 3 in “t3700: modernize and fix exit code suppression”
  1. 0/2 t3700: modernize and fix exit code suppressionSiddharth Shrimali, Mar 3, 2026
  2. 1/2 t3700: avoid suppressing git's exit codeSiddharth Shrimali, Mar 3, 2026
  3. 2/2 t3700: use test_grep helper for better diagnosticsSiddharth Shrimali, Mar 3, 2026

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