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Differential D9129

salvaged: persist the salvaged set on disk
ClosedPublic

Authored by marmoute on Sep 30 2020, 9:11 AM.

Details

Reviewers
Alphare
pulkit
Group Reviewers
hg-reviewers
Commits
rHGe53778ad64bf: salvaged: persist the salvaged set on disk
rHGe1f5a2328b76: salvaged: persist the salvaged set on disk
rHG55c7edda2c5b: salvaged: persist the salvaged set on disk
Summary

With the new side data storage, this is trivial.

Diff Detail

Repository
rHG Mercurial
Branch
default
Lint
No Linters Available
Unit
No Unit Test Coverage

Revision Contents
Changeset List

PathPackages
Mmercurial/metadata.py (8 lines)
Mtests/test-copies-chain-merge.t (20 lines)

Diff 23016

mercurial/metadata.py

# see mercurial/helptext/internals/revlogs.txt for details about the format # see mercurial/helptext/internals/revlogs.txt for details about the format
ACTION_MASK = int("111" "00", 2) ACTION_MASK = int("111" "00", 2)
# note: untouched file used as copy source will as `000` for this mask. # note: untouched file used as copy source will as `000` for this mask.
ADDED_FLAG = int("001" "00", 2) ADDED_FLAG = int("001" "00", 2)
MERGED_FLAG = int("010" "00", 2) MERGED_FLAG = int("010" "00", 2)
REMOVED_FLAG = int("011" "00", 2) REMOVED_FLAG = int("011" "00", 2)
# `100` is reserved for future use SALVAGED_FLAG = int("100" "00", 2)
TOUCHED_FLAG = int("101" "00", 2) TOUCHED_FLAG = int("101" "00", 2)
COPIED_MASK = int("11", 2) COPIED_MASK = int("11", 2)
COPIED_FROM_P1_FLAG = int("10", 2) COPIED_FROM_P1_FLAG = int("10", 2)
COPIED_FROM_P2_FLAG = int("11", 2) COPIED_FROM_P2_FLAG = int("11", 2)
# structure is <flag><filename-end><copy-source> # structure is <flag><filename-end><copy-source>
INDEX_HEADER = struct.Struct(">L") INDEX_HEADER = struct.Struct(">L")
INDEX_ENTRY = struct.Struct(">bLL") INDEX_ENTRY = struct.Struct(">bLL")
def encode_files_sidedata(files): def encode_files_sidedata(files):
all_files = set(files.touched - files.salvaged) all_files = set(files.touched)
all_files.update(files.copied_from_p1.values()) all_files.update(files.copied_from_p1.values())
all_files.update(files.copied_from_p2.values()) all_files.update(files.copied_from_p2.values())
all_files = sorted(all_files) all_files = sorted(all_files)
file_idx = {f: i for (i, f) in enumerate(all_files)} file_idx = {f: i for (i, f) in enumerate(all_files)}
file_idx[None] = 0 file_idx[None] = 0
chunks = [INDEX_HEADER.pack(len(all_files))] chunks = [INDEX_HEADER.pack(len(all_files))]
filename_length = 0 filename_length = 0
for f in all_files: for f in all_files:
filename_size = len(f) filename_size = len(f)
filename_length += filename_size filename_length += filename_size
flag = 0 flag = 0
if f in files.added: if f in files.added:
flag |= ADDED_FLAG flag |= ADDED_FLAG
elif f in files.merged: elif f in files.merged:
flag |= MERGED_FLAG flag |= MERGED_FLAG
elif f in files.removed: elif f in files.removed:
flag |= REMOVED_FLAG flag |= REMOVED_FLAG
elif f in files.salvaged:
flag |= SALVAGED_FLAG
elif f in files.touched: elif f in files.touched:
flag |= TOUCHED_FLAG flag |= TOUCHED_FLAG
copy = None copy = None
if f in files.copied_from_p1: if f in files.copied_from_p1:
flag |= COPIED_FROM_P1_FLAG flag |= COPIED_FROM_P1_FLAG
copy = files.copied_from_p1.get(f) copy = files.copied_from_p1.get(f)
elif f in files.copied_from_p2: elif f in files.copied_from_p2:
file_offset_last = file_end file_offset_last = file_end
all_files.append(filename) all_files.append(filename)
if flag & ACTION_MASK == ADDED_FLAG: if flag & ACTION_MASK == ADDED_FLAG:
md.mark_added(filename) md.mark_added(filename)
elif flag & ACTION_MASK == MERGED_FLAG: elif flag & ACTION_MASK == MERGED_FLAG:
md.mark_merged(filename) md.mark_merged(filename)
elif flag & ACTION_MASK == REMOVED_FLAG: elif flag & ACTION_MASK == REMOVED_FLAG:
md.mark_removed(filename) md.mark_removed(filename)
elif flag & ACTION_MASK == SALVAGED_FLAG:
md.mark_salvaged(filename)
elif flag & ACTION_MASK == TOUCHED_FLAG: elif flag & ACTION_MASK == TOUCHED_FLAG:
md.mark_touched(filename) md.mark_touched(filename)
copied = None copied = None
if flag & COPIED_MASK == COPIED_FROM_P1_FLAG: if flag & COPIED_MASK == COPIED_FROM_P1_FLAG:
copied = md.mark_copied_from_p1 copied = md.mark_copied_from_p1
elif flag & COPIED_MASK == COPIED_FROM_P2_FLAG: elif flag & COPIED_MASK == COPIED_FROM_P2_FLAG:
copied = md.mark_copied_from_p2 copied = md.mark_copied_from_p2

tests/test-copies-chain-merge.t

merged : d, ; merged : d, ;
##### revision 29 ##### ##### revision 29 #####
1 sidedata entries 1 sidedata entries
entry-0014 size 14 entry-0014 size 14
'\x00\x00\x00\x01\x08\x00\x00\x00\x01\x00\x00\x00\x00d' '\x00\x00\x00\x01\x08\x00\x00\x00\x01\x00\x00\x00\x00d'
merged : d, ; merged : d, ;
##### revision 30 ##### ##### revision 30 #####
1 sidedata entries 1 sidedata entries
entry-0014 size 4 entry-0014 size 14
'\x00\x00\x00\x00' '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d'
salvaged : d, ;
##### revision 31 ##### ##### revision 31 #####
1 sidedata entries 1 sidedata entries
entry-0014 size 4 entry-0014 size 14
'\x00\x00\x00\x00' '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d'
salvaged : d, ;
##### revision 32 ##### ##### revision 32 #####
1 sidedata entries 1 sidedata entries
entry-0014 size 4 entry-0014 size 14
'\x00\x00\x00\x00' '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d'
salvaged : d, ;
##### revision 33 ##### ##### revision 33 #####
1 sidedata entries 1 sidedata entries
entry-0014 size 4 entry-0014 size 14
'\x00\x00\x00\x00' '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d'
salvaged : d, ;
#endif #endif