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authorAdrian Ratiu <adrian.ratiu@collabora.com>2026-01-12 20:46:30 +0200
committerJunio C Hamano <gitster@pobox.com>2026-01-12 11:56:56 -0800
commit1685bba838ace8b4e325616ab914a6b01f18547f (patch)
tree01a378dc363fc58f03a7564a9b633bfdabe81eda /t
parent920fbe4d4ee8d4e191d33dde05a16ee0e74bdd44 (diff)
downloadgit-1685bba838ace8b4e325616ab914a6b01f18547f.tar.xz
submodule: fix case-folding gitdir filesystem collisions
Add a new check when extension.submodulePathConfig is enabled, to detect and prevent case-folding filesystem colisions. When this new check is triggered, a stricter casefolding aware URI encoding is used to percent-encode uppercase characters. By using this check/retry mechanism the uppercase encoding is only applied when necessary, so case-sensitive filesystems are not affected. Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't')
-rwxr-xr-xt/t7425-submodule-gitdir-path-extension.sh35
1 files changed, 35 insertions, 0 deletions
diff --git a/t/t7425-submodule-gitdir-path-extension.sh b/t/t7425-submodule-gitdir-path-extension.sh
index ce1428a2ff..3cca93c897 100755
--- a/t/t7425-submodule-gitdir-path-extension.sh
+++ b/t/t7425-submodule-gitdir-path-extension.sh
@@ -403,4 +403,39 @@ test_expect_success 'disabling extensions.submodulePathConfig prevents nested su
)
'
+test_expect_success CASE_INSENSITIVE_FS 'verify case-folding conflicts are correctly encoded' '
+ git clone -c extensions.submodulePathConfig=true main cloned-folding &&
+ (
+ cd cloned-folding &&
+
+ # conflict: the "folding" gitdir will already be taken
+ git submodule add ../new-sub "folding" &&
+ test_commit lowercase &&
+ git submodule add ../new-sub "FoldinG" &&
+ test_commit uppercase &&
+
+ # conflict: the "foo" gitdir will already be taken
+ git submodule add ../new-sub "FOO" &&
+ test_commit uppercase-foo &&
+ git submodule add ../new-sub "foo" &&
+ test_commit lowercase-foo &&
+
+ # create a multi conflict between foobar, fooBar and foo%42ar
+ # the "foo" gitdir will already be taken
+ git submodule add ../new-sub "foobar" &&
+ test_commit lowercase-foobar &&
+ git submodule add ../new-sub "foo%42ar" &&
+ test_commit encoded-foo%42ar &&
+ git submodule add ../new-sub "fooBar" &&
+ test_commit mixed-fooBar
+ ) &&
+ verify_submodule_gitdir_path cloned-folding "folding" "modules/folding" &&
+ verify_submodule_gitdir_path cloned-folding "FoldinG" "modules/%46oldin%47" &&
+ verify_submodule_gitdir_path cloned-folding "FOO" "modules/FOO" &&
+ verify_submodule_gitdir_path cloned-folding "foo" "modules/foo0" &&
+ verify_submodule_gitdir_path cloned-folding "foobar" "modules/foobar" &&
+ verify_submodule_gitdir_path cloned-folding "foo%42ar" "modules/foo%42ar" &&
+ verify_submodule_gitdir_path cloned-folding "fooBar" "modules/fooBar0"
+'
+
test_done