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-rw-r--r--grep.h6
-rwxr-xr-xt/t7814-grep-recurse-submodules.sh103
2 files changed, 106 insertions, 3 deletions
diff --git a/grep.h b/grep.h
index 128007db65..3b63bd0253 100644
--- a/grep.h
+++ b/grep.h
@@ -128,9 +128,9 @@ struct grep_opt {
* instead.
*
* This is potentially the cause of at least one bug - "git grep"
- * ignoring the textconv attributes from submodules. See [1] for more
- * information.
- * [1] https://lore.kernel.org/git/CAHd-oW5iEQarYVxEXoTG-ua2zdoybTrSjCBKtO0YT292fm0NQQ@mail.gmail.com/
+ * using the textconv attributes from the superproject on the
+ * submodules. See the failing "git grep --textconv" tests in
+ * t7814-grep-recurse-submodules.sh for more information.
*/
struct repository *repo;
diff --git a/t/t7814-grep-recurse-submodules.sh b/t/t7814-grep-recurse-submodules.sh
index 3172f5b936..058e5d0c96 100755
--- a/t/t7814-grep-recurse-submodules.sh
+++ b/t/t7814-grep-recurse-submodules.sh
@@ -441,4 +441,107 @@ test_expect_success 'grep --recurse-submodules with --cached ignores worktree mo
test_must_fail git grep --recurse-submodules --cached "A modified line in submodule" >actual 2>&1 &&
test_must_be_empty actual
'
+
+test_expect_failure 'grep --textconv: superproject .gitattributes does not affect submodules' '
+ reset_and_clean &&
+ test_config_global diff.d2x.textconv "sed -e \"s/d/x/\"" &&
+ echo "a diff=d2x" >.gitattributes &&
+
+ cat >expect <<-\EOF &&
+ a:(1|2)x(3|4)
+ EOF
+ git grep --textconv --recurse-submodules x >actual &&
+ test_cmp expect actual
+'
+
+test_expect_failure 'grep --textconv: superproject .gitattributes (from index) does not affect submodules' '
+ reset_and_clean &&
+ test_config_global diff.d2x.textconv "sed -e \"s/d/x/\"" &&
+ echo "a diff=d2x" >.gitattributes &&
+ git add .gitattributes &&
+ rm .gitattributes &&
+
+ cat >expect <<-\EOF &&
+ a:(1|2)x(3|4)
+ EOF
+ git grep --textconv --recurse-submodules x >actual &&
+ test_cmp expect actual
+'
+
+test_expect_failure 'grep --textconv: superproject .git/info/attributes does not affect submodules' '
+ reset_and_clean &&
+ test_config_global diff.d2x.textconv "sed -e \"s/d/x/\"" &&
+ super_attr="$(git rev-parse --git-path info/attributes)" &&
+ test_when_finished "rm -f \"$super_attr\"" &&
+ echo "a diff=d2x" >"$super_attr" &&
+
+ cat >expect <<-\EOF &&
+ a:(1|2)x(3|4)
+ EOF
+ git grep --textconv --recurse-submodules x >actual &&
+ test_cmp expect actual
+'
+
+# Note: what currently prevents this test from passing is not that the
+# .gitattributes file from "./submodule" is being ignored, but that it is being
+# propagated to the nested "./submodule/sub" files.
+#
+test_expect_failure 'grep --textconv correctly reads submodule .gitattributes' '
+ reset_and_clean &&
+ test_config_global diff.d2x.textconv "sed -e \"s/d/x/\"" &&
+ echo "a diff=d2x" >submodule/.gitattributes &&
+
+ cat >expect <<-\EOF &&
+ submodule/a:(1|2)x(3|4)
+ EOF
+ git grep --textconv --recurse-submodules x >actual &&
+ test_cmp expect actual
+'
+
+test_expect_failure 'grep --textconv correctly reads submodule .gitattributes (from index)' '
+ reset_and_clean &&
+ test_config_global diff.d2x.textconv "sed -e \"s/d/x/\"" &&
+ echo "a diff=d2x" >submodule/.gitattributes &&
+ git -C submodule add .gitattributes &&
+ rm submodule/.gitattributes &&
+
+ cat >expect <<-\EOF &&
+ submodule/a:(1|2)x(3|4)
+ EOF
+ git grep --textconv --recurse-submodules x >actual &&
+ test_cmp expect actual
+'
+
+test_expect_failure 'grep --textconv correctly reads submodule .git/info/attributes' '
+ reset_and_clean &&
+ test_config_global diff.d2x.textconv "sed -e \"s/d/x/\"" &&
+
+ submodule_attr="$(git -C submodule rev-parse --path-format=absolute --git-path info/attributes)" &&
+ test_when_finished "rm -f \"$submodule_attr\"" &&
+ echo "a diff=d2x" >"$submodule_attr" &&
+
+ cat >expect <<-\EOF &&
+ submodule/a:(1|2)x(3|4)
+ EOF
+ git grep --textconv --recurse-submodules x >actual &&
+ test_cmp expect actual
+'
+
+test_expect_failure 'grep saves textconv cache in the appropriate repository' '
+ reset_and_clean &&
+ test_config_global diff.d2x_cached.textconv "sed -e \"s/d/x/\"" &&
+ test_config_global diff.d2x_cached.cachetextconv true &&
+ echo "a diff=d2x_cached" >submodule/.gitattributes &&
+
+ # We only read/write to the textconv cache when grepping from an OID,
+ # as the working tree file might have modifications.
+ git grep --textconv --cached --recurse-submodules x &&
+
+ super_textconv_cache="$(git rev-parse --git-path refs/notes/textconv/d2x_cached)" &&
+ sub_textconv_cache="$(git -C submodule rev-parse \
+ --path-format=absolute --git-path refs/notes/textconv/d2x_cached)" &&
+ test_path_is_missing "$super_textconv_cache" &&
+ test_path_is_file "$sub_textconv_cache"
+'
+
test_done