# HG changeset patch
# User Remi Chaintron <r...@fb.com>
# Date 1479917845 0
# Wed Nov 23 16:17:25 2016 +0000
# Branch stable
# Node ID 1d0b60b267fabedc683bd53a880abc0b8e75badb
# Parent 2b21a1071ab3003f9ce145620e0e888d41742b80
revlog: REVIDX_ISLARGEFILE flag
Add the REVIDX_ISLARGEFILE flag for the `lfs` extension to interact with
revisions by registering transforms in the flagprocessor.
diff --git a/mercurial/help/internals/revlogs.txt
b/mercurial/help/internals/revlogs.txt
--- a/mercurial/help/internals/revlogs.txt
+++ b/mercurial/help/internals/revlogs.txt
@@ -91,6 +91,8 @@
Bit flags impacting revision behavior. The following bit offsets define:
0
'censor' extension flag.
+ 1
+ 'lfs' extension flag.
8-11 (4 bytes)
Compressed length of revision data / chunk as stored in revlog.
12-15 (4 bytes)
diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -54,11 +54,13 @@
# revlog index flags
REVIDX_ISCENSORED = (1 << 15) # revision has censor metadata, must be verified
+REVIDX_ISLARGEFILE = (1 << 14)
REVIDX_DEFAULT_FLAGS = 0
-REVIDX_KNOWN_FLAGS = REVIDX_ISCENSORED
+REVIDX_KNOWN_FLAGS = REVIDX_ISCENSORED | REVIDX_ISLARGEFILE
# stable order in which flags need to be processed by the flagprocessor
REVIDX_FLAGS_PROCESSING_ORDER = [
REVIDX_ISCENSORED,
+ REVIDX_ISLARGEFILE,
]
# max size of revlog with inline data
@@ -1773,6 +1775,10 @@
"""Check if a file revision is censored."""
return False
+ def islargefile(self, rev):
+ """Check if a file revision is flagged as large."""
+ return self.flags(rev) & REVIDX_ISLARGEFILE
+
def _peek_iscensored(self, baserev, delta, flush):
"""Quickly check if a delta produces a censored revision."""
return False
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