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-rwxr-xr-xt/t2108-update-index-refresh-racy.sh64
1 files changed, 64 insertions, 0 deletions
diff --git a/t/t2108-update-index-refresh-racy.sh b/t/t2108-update-index-refresh-racy.sh
new file mode 100755
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+++ b/t/t2108-update-index-refresh-racy.sh
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+#!/bin/sh
+
+test_description='update-index refresh tests related to racy timestamps'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+reset_files () {
+ echo content >file &&
+ echo content >other &&
+ test_set_magic_mtime file &&
+ test_set_magic_mtime other
+}
+
+update_assert_changed () {
+ test_set_magic_mtime .git/index &&
+ test_might_fail git update-index "$1" &&
+ ! test_is_magic_mtime .git/index
+}
+
+test_expect_success 'setup' '
+ reset_files &&
+ # we are calling reset_files() a couple of times during tests;
+ # test-tool chmtime does not change the ctime; to not weaken
+ # or even break our tests, disable ctime-checks entirely
+ git config core.trustctime false &&
+ git add file other &&
+ git commit -m "initial import"
+'
+
+test_expect_success '--refresh has no racy timestamps to fix' '
+ reset_files &&
+ # set the index time far enough to the future;
+ # it must be at least 3 seconds for VFAT
+ test_set_magic_mtime .git/index +60 &&
+ git update-index --refresh &&
+ test_is_magic_mtime .git/index +60
+'
+
+test_expect_success '--refresh should fix racy timestamp' '
+ reset_files &&
+ update_assert_changed --refresh
+'
+
+test_expect_success '--really-refresh should fix racy timestamp' '
+ reset_files &&
+ update_assert_changed --really-refresh
+'
+
+test_expect_success '--refresh should fix racy timestamp if other file needs update' '
+ reset_files &&
+ echo content2 >other &&
+ test_set_magic_mtime other &&
+ update_assert_changed --refresh
+'
+
+test_expect_success '--refresh should fix racy timestamp if racy file needs update' '
+ reset_files &&
+ echo content2 >file &&
+ test_set_magic_mtime file &&
+ update_assert_changed --refresh
+'
+
+test_done