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-rw-r--r--Documentation/technical/commit-graph-format.txt11
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/technical/commit-graph-format.txt b/Documentation/technical/commit-graph-format.txt
index 16452a0..a4f1744 100644
--- a/Documentation/technical/commit-graph-format.txt
+++ b/Documentation/technical/commit-graph-format.txt
@@ -44,8 +44,9 @@ HEADER:
1-byte number (C) of "chunks"
- 1-byte (reserved for later use)
- Current clients should ignore this value.
+ 1-byte number (B) of base commit-graphs
+ We infer the length (H*B) of the Base Graphs chunk
+ from this value.
CHUNK LOOKUP:
@@ -92,6 +93,12 @@ CHUNK DATA:
positions for the parents until reaching a value with the most-significant
bit on. The other bits correspond to the position of the last parent.
+ Base Graphs List (ID: {'B', 'A', 'S', 'E'}) [Optional]
+ This list of H-byte hashes describe a set of B commit-graph files that
+ form a commit-graph chain. The graph position for the ith commit in this
+ file's OID Lookup chunk is equal to i plus the number of commits in all
+ base graphs. If B is non-zero, this chunk must exist.
+
TRAILER:
H-byte HASH-checksum of all of the above.