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https://github.com/git/git
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8597697458
The second round similarity estimator simply used the size of the xdelta itself to estimate the extent of damage. This patch keeps that logic to detect big insertions to terminate the check early, but otherwise looks at the generated delta in order to estimate the extent of edit more accurately. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
142 lines
3.8 KiB
Makefile
142 lines
3.8 KiB
Makefile
# -DCOLLISION_CHECK if you believe that SHA1's
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# 1461501637330902918203684832716283019655932542976 hashes do not give you
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# enough guarantees about no collisions between objects ever hapenning.
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#
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# -DUSE_NSEC if you want git to care about sub-second file mtimes and ctimes.
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# -DUSE_STDEV if you want git to care about st_dev changing
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#
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# Note that you need some new glibc (at least >2.2.4) for this, and it will
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# BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely randomly
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# break unless your underlying filesystem supports those sub-second times
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# (my ext3 doesn't).
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COPTS=-O2
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CFLAGS=-g $(COPTS) -Wall
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prefix=$(HOME)
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bin=$(prefix)/bin
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# dest=
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CC=gcc
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AR=ar
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INSTALL=install
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SCRIPTS=git-apply-patch-script git-merge-one-file-script git-prune-script \
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git-pull-script git-tag-script git-resolve-script git-whatchanged \
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git-deltafy-script git-fetch-script
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PROG= git-update-cache git-diff-files git-init-db git-write-tree \
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git-read-tree git-commit-tree git-cat-file git-fsck-cache \
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git-checkout-cache git-diff-tree git-rev-tree git-ls-files \
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git-check-files git-ls-tree git-merge-base git-merge-cache \
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git-unpack-file git-export git-diff-cache git-convert-cache \
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git-http-pull git-rpush git-rpull git-rev-list git-mktag \
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git-diff-helper git-tar-tree git-local-pull git-write-blob \
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git-get-tar-commit-id git-mkdelta git-apply
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all: $(PROG)
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install: $(PROG) $(SCRIPTS)
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$(INSTALL) $(PROG) $(SCRIPTS) $(dest)$(bin)
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LIB_OBJS=read-cache.o sha1_file.o usage.o object.o commit.o tree.o blob.o \
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tag.o delta.o date.o index.o diff-delta.o patch-delta.o
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LIB_FILE=libgit.a
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LIB_H=cache.h object.h blob.h tree.h commit.h tag.h delta.h
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LIB_H += strbuf.h
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LIB_OBJS += strbuf.o
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LIB_H += diff.h count-delta.h
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LIB_OBJS += diff.o diffcore-rename.o diffcore-pickaxe.o diffcore-pathspec.o \
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count-delta.o
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LIB_OBJS += gitenv.o
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LIBS = $(LIB_FILE)
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LIBS += -lz
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ifdef MOZILLA_SHA1
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SHA1_HEADER="mozilla-sha1/sha1.h"
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LIB_OBJS += mozilla-sha1/sha1.o
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else
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ifdef PPC_SHA1
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SHA1_HEADER="ppc/sha1.h"
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LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
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else
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SHA1_HEADER=<openssl/sha.h>
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LIBS += -lcrypto
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endif
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endif
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CFLAGS += '-DSHA1_HEADER=$(SHA1_HEADER)'
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$(LIB_FILE): $(LIB_OBJS)
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$(AR) rcs $@ $(LIB_OBJS)
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test-date: test-date.c date.o
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$(CC) $(CFLAGS) -o $@ test-date.c date.o
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test-delta: test-delta.c diff-delta.o patch-delta.o
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$(CC) $(CFLAGS) -o $@ $^
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git-%: %.c $(LIB_FILE)
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$(CC) $(CFLAGS) -o $@ $(filter %.c,$^) $(LIBS)
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git-update-cache: update-cache.c
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git-diff-files: diff-files.c
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git-init-db: init-db.c
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git-write-tree: write-tree.c
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git-read-tree: read-tree.c
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git-commit-tree: commit-tree.c
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git-cat-file: cat-file.c
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git-fsck-cache: fsck-cache.c
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git-checkout-cache: checkout-cache.c
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git-diff-tree: diff-tree.c
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git-rev-tree: rev-tree.c
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git-ls-files: ls-files.c
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git-check-files: check-files.c
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git-ls-tree: ls-tree.c
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git-merge-base: merge-base.c
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git-merge-cache: merge-cache.c
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git-unpack-file: unpack-file.c
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git-export: export.c
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git-diff-cache: diff-cache.c
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git-convert-cache: convert-cache.c
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git-http-pull: http-pull.c pull.c
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git-local-pull: local-pull.c pull.c
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git-rpush: rsh.c
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git-rpull: rsh.c pull.c
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git-rev-list: rev-list.c
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git-mktag: mktag.c
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git-diff-helper: diff-helper.c
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git-tar-tree: tar-tree.c
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git-write-blob: write-blob.c
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git-mkdelta: mkdelta.c
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git-http-pull: LIBS += -lcurl
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# Library objects..
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blob.o: $(LIB_H)
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tree.o: $(LIB_H)
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commit.o: $(LIB_H)
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tag.o: $(LIB_H)
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object.o: $(LIB_H)
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read-cache.o: $(LIB_H)
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sha1_file.o: $(LIB_H)
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usage.o: $(LIB_H)
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strbuf.o: $(LIB_H)
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gitenv.o: $(LIB_H)
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diff.o: $(LIB_H) diffcore.h
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diffcore-rename.o : $(LIB_H) diffcore.h
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diffcore-pathspec.o : $(LIB_H) diffcore.h
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diffcore-pickaxe.o : $(LIB_H) diffcore.h
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test: all
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$(MAKE) -C t/ all
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clean:
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rm -f *.o mozilla-sha1/*.o ppc/*.o $(PROG) $(LIB_FILE)
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$(MAKE) -C Documentation/ clean
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backup: clean
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cd .. ; tar czvf dircache.tar.gz dir-cache
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