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-rw-r--r--t/test-lib-functions.sh27
1 files changed, 27 insertions, 0 deletions
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 284c52d076..352c213d52 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -1516,3 +1516,30 @@ test_set_port () {
port=$(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))
eval $var=$port
}
+
+# Compare a file containing rev-list bitmap traversal output to its non-bitmap
+# counterpart. You can't just use test_cmp for this, because the two produce
+# subtly different output:
+#
+# - regular output is in traversal order, whereas bitmap is split by type,
+# with non-packed objects at the end
+#
+# - regular output has a space and the pathname appended to non-commit
+# objects; bitmap output omits this
+#
+# This function normalizes and compares the two. The second file should
+# always be the bitmap output.
+test_bitmap_traversal () {
+ if test "$1" = "--no-confirm-bitmaps"
+ then
+ shift
+ elif cmp "$1" "$2"
+ then
+ echo >&2 "identical raw outputs; are you sure bitmaps were used?"
+ return 1
+ fi &&
+ cut -d' ' -f1 "$1" | sort >"$1.normalized" &&
+ sort "$2" >"$2.normalized" &&
+ test_cmp "$1.normalized" "$2.normalized" &&
+ rm -f "$1.normalized" "$2.normalized"
+}