diff -r 8009a89bc18b -r 78ba41878f2e tests/test-sparse-revlog.t
--- a/tests/test-sparse-revlog.t	Tue Nov 08 18:05:19 2022 -0500
+++ b/tests/test-sparse-revlog.t	Tue Nov 15 18:08:56 2022 +0100
@@ -189,7 +189,7 @@
   DBG-DELTAS-SEARCH:     uncompressed-delta-size=82661
   DBG-DELTAS-SEARCH:     delta-search-time=* (glob)
   DBG-DELTAS-SEARCH:     DELTA: length=49132 (BAD)
-  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
+  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: delta-base=4930 is-cached=0 - search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
 
   $ cat << EOF >>.hg/hgrc
   > [storage]
@@ -198,7 +198,7 @@
   > EOF
 
   $ hg debug-delta-find SPARSE-REVLOG-TEST-FILE 4971 --quiet
-  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
+  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: delta-base=4930 is-cached=0 - search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
   $ hg debug-delta-find SPARSE-REVLOG-TEST-FILE 4971 --source full
   DBG-DELTAS-SEARCH: SEARCH rev=4971
   DBG-DELTAS-SEARCH: ROUND #1 - 2 candidates - search-down
@@ -231,10 +231,10 @@
   DBG-DELTAS-SEARCH:     uncompressed-delta-size=82661
   DBG-DELTAS-SEARCH:     delta-search-time=* (glob)
   DBG-DELTAS-SEARCH:     DELTA: length=49132 (BAD)
-  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
+  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: delta-base=4930 is-cached=0 - search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
   $ hg debug-delta-find SPARSE-REVLOG-TEST-FILE 4971 --source storage
   DBG-DELTAS-SEARCH: SEARCH rev=4971
-  DBG-DELTAS-SEARCH: ROUND #1 - 1 candidates - search-down
+  DBG-DELTAS-SEARCH: ROUND #1 - 1 candidates - cached-delta
   DBG-DELTAS-SEARCH:   CANDIDATE: rev=4930
   DBG-DELTAS-SEARCH:     type=snapshot-3
   DBG-DELTAS-SEARCH:     size=39228
@@ -242,7 +242,7 @@
   DBG-DELTAS-SEARCH:     uncompressed-delta-size=33050
   DBG-DELTAS-SEARCH:     delta-search-time=* (glob)
   DBG-DELTAS-SEARCH:     DELTA: length=19179 (GOOD)
-  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=1 try-count=1 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
+  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: delta-base=4930 is-cached=1 - search-rounds=1 try-count=1 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
   $ hg debug-delta-find SPARSE-REVLOG-TEST-FILE 4971 --source p1
   DBG-DELTAS-SEARCH: SEARCH rev=4971
   DBG-DELTAS-SEARCH: ROUND #1 - 2 candidates - search-down
@@ -275,7 +275,7 @@
   DBG-DELTAS-SEARCH:     uncompressed-delta-size=82661
   DBG-DELTAS-SEARCH:     delta-search-time=* (glob)
   DBG-DELTAS-SEARCH:     DELTA: length=49132 (BAD)
-  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
+  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: delta-base=4930 is-cached=0 - search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
   $ hg debug-delta-find SPARSE-REVLOG-TEST-FILE 4971 --source p2
   DBG-DELTAS-SEARCH: SEARCH rev=4971
   DBG-DELTAS-SEARCH: ROUND #1 - 2 candidates - search-down
@@ -308,7 +308,7 @@
   DBG-DELTAS-SEARCH:     uncompressed-delta-size=82661
   DBG-DELTAS-SEARCH:     delta-search-time=* (glob)
   DBG-DELTAS-SEARCH:     DELTA: length=49132 (BAD)
-  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
+  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: delta-base=4930 is-cached=0 - search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
   $ hg debug-delta-find SPARSE-REVLOG-TEST-FILE 4971 --source prev
   DBG-DELTAS-SEARCH: SEARCH rev=4971
   DBG-DELTAS-SEARCH: ROUND #1 - 2 candidates - search-down
@@ -341,6 +341,6 @@
   DBG-DELTAS-SEARCH:     uncompressed-delta-size=82661
   DBG-DELTAS-SEARCH:     delta-search-time=* (glob)
   DBG-DELTAS-SEARCH:     DELTA: length=49132 (BAD)
-  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
+  DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: delta-base=4930 is-cached=0 - search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
 
   $ cd ..