t8002: make hash size independent

Compute the length of an object ID instead of hard-coding 40-based
values.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t8002-blame.sh b/t/t8002-blame.sh
index eea048e52ceb328fd5d97b17e996c8f821ae4abb..c3b70b025e292a2a4586b41c73b1ed28f8c968b4 100755 (executable)
--- a/t/t8002-blame.sh
+++ b/t/t8002-blame.sh
@@ -6,6 +6,10 @@ test_description='git blame'
 PROG='git blame -c'
 . "$TEST_DIRECTORY"/annotate-tests.sh
 
+test_expect_success 'setup' '
+       hexsz=$(test_oid hexsz)
+'
+
 test_expect_success 'blame untracked file in empty repo' '
        >untracked &&
        test_must_fail git blame untracked
@@ -105,17 +109,17 @@ test_expect_success 'blame --abbrev=<n> works' '
 '
 
 test_expect_success 'blame -l aligns regular and boundary commits' '
-       check_abbrev 40 -l HEAD &&
-       check_abbrev 39 -l ^HEAD
+       check_abbrev $hexsz         -l HEAD &&
+       check_abbrev $((hexsz - 1)) -l ^HEAD
 '
 
-test_expect_success 'blame --abbrev=40 behaves like -l' '
-       check_abbrev 40 --abbrev=40 HEAD &&
-       check_abbrev 39 --abbrev=40 ^HEAD
+test_expect_success 'blame --abbrev with full length behaves like -l' '
+       check_abbrev $hexsz         --abbrev=$hexsz HEAD &&
+       check_abbrev $((hexsz - 1)) --abbrev=$hexsz ^HEAD
 '
 
-test_expect_success '--no-abbrev works like --abbrev=40' '
-       check_abbrev 40 --no-abbrev
+test_expect_success '--no-abbrev works like --abbrev with full length' '
+       check_abbrev $hexsz --no-abbrev
 '
 
 test_expect_success '--exclude-promisor-objects does not BUG-crash' '