grep: enable recurse-submodules to work on <tree> objects

diff --git a/t/t1512-rev-parse-disambiguation.sh b/t/t1512-rev-parse-disambiguation.sh
index e221167cfbe3fb34cf5aba88cd04f6a1dc9eede5..711704ba5a052b15d94ff1ce958ada3fb86530a9 100755 (executable)
--- a/t/t1512-rev-parse-disambiguation.sh
+++ b/t/t1512-rev-parse-disambiguation.sh
@@ -42,7 +42,7 @@ test_expect_success 'blob and tree' '
 
 test_expect_success 'warn ambiguity when no candidate matches type hint' '
        test_must_fail git rev-parse --verify 000000000^{commit} 2>actual &&
-       grep "short SHA1 000000000 is ambiguous" actual
+       test_i18ngrep "short SHA1 000000000 is ambiguous" actual
 '
 
 test_expect_success 'disambiguate tree-ish' '
@@ -264,6 +264,13 @@ test_expect_success 'ambiguous commit-ish' '
        test_must_fail git log 000000000...
 '
 
+# There are three objects with this prefix: a blob, a tree, and a tag. We know
+# the blob will not pass as a treeish, but the tree and tag should (and thus
+# cause an error).
+test_expect_success 'ambiguous tags peel to treeish' '
+       test_must_fail git rev-parse 0000000000f^{tree}
+'
+
 test_expect_success 'rev-parse --disambiguate' '
        # The test creates 16 objects that share the prefix and two
        # commits created by commit-tree in earlier tests share a
@@ -273,6 +280,13 @@ test_expect_success 'rev-parse --disambiguate' '
        test "$(sed -e "s/^\(.........\).*/\1/" actual | sort -u)" = 000000000
 '
 
+test_expect_success 'rev-parse --disambiguate drops duplicates' '
+       git rev-parse --disambiguate=000000000 >expect &&
+       git pack-objects .git/objects/pack/pack <expect &&
+       git rev-parse --disambiguate=000000000 >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'ambiguous 40-hex ref' '
        TREE=$(git mktree </dev/null) &&
        REF=$(git rev-parse HEAD) &&
@@ -291,4 +305,60 @@ test_expect_success 'ambiguous short sha1 ref' '
        grep "refname.*${REF}.*ambiguous" err
 '
 
+test_expect_success C_LOCALE_OUTPUT 'ambiguity errors are not repeated (raw)' '
+       test_must_fail git rev-parse 00000 2>stderr &&
+       grep "is ambiguous" stderr >errors &&
+       test_line_count = 1 errors
+'
+
+test_expect_success C_LOCALE_OUTPUT 'ambiguity errors are not repeated (treeish)' '
+       test_must_fail git rev-parse 00000:foo 2>stderr &&
+       grep "is ambiguous" stderr >errors &&
+       test_line_count = 1 errors
+'
+
+test_expect_success C_LOCALE_OUTPUT 'ambiguity errors are not repeated (peel)' '
+       test_must_fail git rev-parse 00000^{commit} 2>stderr &&
+       grep "is ambiguous" stderr >errors &&
+       test_line_count = 1 errors
+'
+
+test_expect_success C_LOCALE_OUTPUT 'ambiguity hints' '
+       test_must_fail git rev-parse 000000000 2>stderr &&
+       grep ^hint: stderr >hints &&
+       # 16 candidates, plus one intro line
+       test_line_count = 17 hints
+'
+
+test_expect_success C_LOCALE_OUTPUT 'ambiguity hints respect type' '
+       test_must_fail git rev-parse 000000000^{commit} 2>stderr &&
+       grep ^hint: stderr >hints &&
+       # 5 commits, 1 tag (which is a commitish), plus intro line
+       test_line_count = 7 hints
+'
+
+test_expect_success C_LOCALE_OUTPUT 'failed type-selector still shows hint' '
+       # these two blobs share the same prefix "ee3d", but neither
+       # will pass for a commit
+       echo 851 | git hash-object --stdin -w &&
+       echo 872 | git hash-object --stdin -w &&
+       test_must_fail git rev-parse ee3d^{commit} 2>stderr &&
+       grep ^hint: stderr >hints &&
+       test_line_count = 3 hints
+'
+
+test_expect_success 'core.disambiguate config can prefer types' '
+       # ambiguous between tree and tag
+       sha1=0000000000f &&
+       test_must_fail git rev-parse $sha1 &&
+       git rev-parse $sha1^{commit} &&
+       git -c core.disambiguate=committish rev-parse $sha1
+'
+
+test_expect_success 'core.disambiguate does not override context' '
+       # treeish ambiguous between tag and tree
+       test_must_fail \
+               git -c core.disambiguate=committish rev-parse $sha1^{tree}
+'
+
 test_done