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lfs: verify lfs object content when transferring to and from the remote store...
lfs: verify lfs object content when transferring to and from the remote store This avoids inserting corrupt files into the usercache, and local and remote stores. One down side is that the bad file won't be available locally for forensic purposes after a remote download. I'm thinking about adding an 'incoming' directory to the local lfs store to handle the download, and then move it to the 'objects' directory after it passes verification. That would have the additional benefit of not concatenating each transfer chunk in memory until the full file is transferred. Verification isn't needed when the data is passed back through the revlog interface or when the oid was just calculated, but otherwise it is on by default. The additional overhead should be well worth avoiding problems with file based remote stores, or buggy lfs servers. Having two different verify functions is a little sad, but the full data of the blob is mostly passed around in memory, because that's what the revlog interface wants. The upload function, however, chunks up the data. It would be ideal if that was how the content is always handled, but that's probably a huge project. I don't really like printing the long hash, but `hg debugdata` isn't a public interface, and is the only way to get it. The filelog and revision info is nowhere near this area, so recommending `hg verify` is the easiest thing to do.
Yuya Nishihara - - Load All Authors

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Makefile
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Yuya Nishihara
chg: import frontend sources...
 r28060 TARGET = chg
Jun Wu
chg: add procutil.h...
 r30693 SRCS = chg.c hgclient.c procutil.c util.c
Yuya Nishihara
chg: import frontend sources...
 r28060 OBJS = $(SRCS:.c=.o)
CFLAGS ?= -O2 -Wall -Wextra -pedantic -g
Mathias De Maré
chg: define _GNU_SOURCE to allow CentOS 5 compilation...
 r33666 CPPFLAGS ?= -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE
Yuya Nishihara
chg: import frontend sources...
 r28060 override CFLAGS += -std=gnu99
Jun Wu
chg: allows default hg path to be overridden...
 r28605 ifdef HGPATH
override CPPFLAGS += -DHGPATH=\"$(HGPATH)\"
endif
Yuya Nishihara
chg: import frontend sources...
 r28060
DESTDIR =
PREFIX = /usr/local
MANDIR = $(PREFIX)/share/man/man1
.PHONY: all
all: $(TARGET)
$(TARGET): $(OBJS)
$(CC) $(LDFLAGS) -o $@ $(OBJS)
Jun Wu
chg: add procutil.h...
 r30693 chg.o: hgclient.h procutil.h util.h
Jun Wu
chg: handle pager request client-side...
 r30738 hgclient.o: hgclient.h procutil.h util.h
Jun Wu
chg: add procutil.h...
 r30693 procutil.o: procutil.h util.h
Yuya Nishihara
chg: import frontend sources...
 r28060 util.o: util.h
.PHONY: install
install: $(TARGET)
muxator
build: chg build was failing when the base directory contained spaces
 r34625 install -d "$(DESTDIR)$(PREFIX)"/bin
install -m 755 "$(TARGET)" "$(DESTDIR)$(PREFIX)"/bin
install -d "$(DESTDIR)$(MANDIR)"
install -m 644 chg.1 "$(DESTDIR)$(MANDIR)"
Yuya Nishihara
chg: import frontend sources...
 r28060
.PHONY: clean
clean:
$(RM) $(OBJS)
.PHONY: distclean
distclean:
$(RM) $(OBJS) $(TARGET)