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authorToby Allsopp <toby.allsopp@navman.co.nz>2009-11-14 13:26:47 -0800
committerEric Wong <normalperson@yhbt.net>2009-11-14 13:37:59 -0800
commit753dc384dc2c4ab3e1049f695425cebf41ff7e6b (patch)
tree190eaf2cc62d42bda00f2d65a5dbf8f92b8468a0 /t/t9151
parentc5b3e0f54950f983836970050406347ddf82b152 (diff)
downloadgit-753dc384dc2c4ab3e1049f695425cebf41ff7e6b.tar.gz
git-753dc384dc2c4ab3e1049f695425cebf41ff7e6b.tar.xz
git svn: handle SVN merges from revisions past the tip of the branch
When recording the revisions that it has merged, SVN sets the top revision to be the latest revision in the repository, which is not necessarily a revision on the branch that is being merged from. When it is not on the branch, git-svn fails to add the extra parent to represent the merge because it relies on finding the commit on the branch that corresponds to the top of the SVN merge range. In order to correctly handle this case, we look for the maximum revision less than or equal to the top of the SVN merge range that is actually on the branch being merged from. [ew: This includes the following (squashed) commit to prevent errors during bisect:] Author: Toby Allsopp <toby.allsopp@navman.co.nz> Date: Fri Nov 13 09:48:39 2009 +1300 git-svn: add (failing) test for SVN 1.5+ merge with intervening commit This test exposes a bug in git-svn's handling of SVN 1.5+ mergeinfo properties. The problematic case is when there is some commit on an unrelated branch after the last commit on the merged-from branch. When SVN records the mergeinfo property, it records the latest revision in the whole repository, which, in the problematic case, is not on the branch it is merging from. To trigger the git-svn bug, we modify t9151 to include two SVN merges, the second of which has an intervening commit. The SVN dump was generated using SVN 1.6.6 (on Debian squeeze amd64). Signed-off-by: Toby Allsopp <toby.allsopp@navman.co.nz> Acked-by: Eric Wong <normalperson@yhbt.net>
Diffstat (limited to 't/t9151')
-rw-r--r--t/t9151/make-svnmerge-dump32
-rw-r--r--t/t9151/svn-mergeinfo.dump386
2 files changed, 361 insertions, 57 deletions
diff --git a/t/t9151/make-svnmerge-dump b/t/t9151/make-svnmerge-dump
index e35d64d58..7e3da75f8 100644
--- a/t/t9151/make-svnmerge-dump
+++ b/t/t9151/make-svnmerge-dump
@@ -28,6 +28,10 @@ svn cp trunk branches/left
echo "Committing BRANCH POINT"
svn commit -m "make left branch"
+svn cp trunk branches/right
+
+echo "Committing other BRANCH POINT"
+svn commit -m "make right branch"
cd branches/left/
#$sm init
@@ -64,7 +68,33 @@ git cat-file blob b51ad431:Makefile > Makefile
svn resolved Makefile
-svn commit -m "Merge trunk"
+svn commit -m "Merge trunk 1"
+
+# create commits on both branches
+
+cd ../branches/left
+git cat-file blob ff5ebe39:Makefile > Makefile
+echo "Committing BRANCH UPDATE 4"
+svn commit -m "left update 4"
+
+cd ../right
+git cat-file blob b5039db6:Makefile > Makefile
+echo "Committing other BRANCH UPDATE 1"
+svn commit -m "right update 1"
+
+# merge to trun again
+
+cd ../..
+svn update
+cd trunk
+
+svn merge ../branches/left --accept postpone
+
+git cat-file blob b51ad431:Makefile > Makefile
+
+svn resolved Makefile
+
+svn commit -m "Merge trunk 2"
cd ../..
diff --git a/t/t9151/svn-mergeinfo.dump b/t/t9151/svn-mergeinfo.dump
index 2153187c9..11a883fda 100644
--- a/t/t9151/svn-mergeinfo.dump
+++ b/t/t9151/svn-mergeinfo.dump
@@ -1,6 +1,6 @@
SVN-fs-dump-format-version: 2
-UUID: 1ce241d1-ba54-4eb9-bded-03057fe48a33
+UUID: 1530d5a2-a1dc-4438-8ad5-d95e96db8945
Revision-number: 0
Prop-content-length: 56
@@ -9,12 +9,12 @@ Content-length: 56
K 8
svn:date
V 27
-2009-10-20T01:33:37.692723Z
+2009-11-12T20:29:38.812226Z
PROPS-END
Revision-number: 1
-Prop-content-length: 123
-Content-length: 123
+Prop-content-length: 127
+Content-length: 127
K 7
svn:log
@@ -22,12 +22,12 @@ V 24
Setup trunk and branches
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:38.159933Z
+2009-11-12T20:29:39.045856Z
PROPS-END
Node-path: branches
@@ -49,8 +49,8 @@ PROPS-END
Revision-number: 2
-Prop-content-length: 106
-Content-length: 106
+Prop-content-length: 110
+Content-length: 110
K 7
svn:log
@@ -58,12 +58,12 @@ V 8
ancestor
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:39.160059Z
+2009-11-12T20:29:40.079587Z
PROPS-END
Node-path: trunk/Makefile
@@ -72,6 +72,7 @@ Node-action: add
Prop-content-length: 10
Text-content-length: 2401
Text-content-md5: bfd8ff778d1492dc6758567373176a89
+Text-content-sha1: 103205ce331f7d64086dba497574734f78439590
Content-length: 2411
PROPS-END
@@ -155,8 +156,8 @@ backup: clean
Revision-number: 3
-Prop-content-length: 115
-Content-length: 115
+Prop-content-length: 119
+Content-length: 119
K 7
svn:log
@@ -164,12 +165,12 @@ V 16
make left branch
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:41.148192Z
+2009-11-12T20:29:42.084439Z
PROPS-END
Node-path: branches/left
@@ -177,27 +178,54 @@ Node-kind: dir
Node-action: add
Node-copyfrom-rev: 1
Node-copyfrom-path: trunk
-Prop-content-length: 34
-Content-length: 34
-K 13
-svn:mergeinfo
-V 0
+Node-path: branches/left/Makefile
+Node-kind: file
+Node-action: add
+Node-copyfrom-rev: 2
+Node-copyfrom-path: trunk/Makefile
+Text-copy-source-md5: bfd8ff778d1492dc6758567373176a89
+Text-copy-source-sha1: 103205ce331f7d64086dba497574734f78439590
+
+
+Revision-number: 4
+Prop-content-length: 120
+Content-length: 120
+
+K 7
+svn:log
+V 17
+make right branch
+K 10
+svn:author
+V 8
+tallsopp
+K 8
+svn:date
+V 27
+2009-11-12T20:29:44.065452Z
PROPS-END
+Node-path: branches/right
+Node-kind: dir
+Node-action: add
+Node-copyfrom-rev: 1
+Node-copyfrom-path: trunk
+
-Node-path: branches/left/Makefile
+Node-path: branches/right/Makefile
Node-kind: file
Node-action: add
Node-copyfrom-rev: 2
Node-copyfrom-path: trunk/Makefile
Text-copy-source-md5: bfd8ff778d1492dc6758567373176a89
+Text-copy-source-sha1: 103205ce331f7d64086dba497574734f78439590
-Revision-number: 4
-Prop-content-length: 112
-Content-length: 112
+Revision-number: 5
+Prop-content-length: 116
+Content-length: 116
K 7
svn:log
@@ -205,12 +233,12 @@ V 13
left update 1
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:42.148773Z
+2009-11-12T20:29:45.066262Z
PROPS-END
Node-path: branches/left/Makefile
@@ -218,6 +246,7 @@ Node-kind: file
Node-action: change
Text-content-length: 2465
Text-content-md5: 16e38d9753b061731650561ce01b1195
+Text-content-sha1: 36da4b84ea9b64218ab48171dfc5c48ae025f38b
Content-length: 2465
# -DCOLLISION_CHECK if you believe that SHA1's
@@ -299,9 +328,9 @@ backup: clean
cd .. ; tar czvf dircache.tar.gz dir-cache
-Revision-number: 5
-Prop-content-length: 111
-Content-length: 111
+Revision-number: 6
+Prop-content-length: 115
+Content-length: 115
K 7
svn:log
@@ -309,12 +338,12 @@ V 12
trunk update
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:43.159959Z
+2009-11-12T20:29:46.278498Z
PROPS-END
Node-path: trunk/Makefile
@@ -322,6 +351,7 @@ Node-kind: file
Node-action: change
Text-content-length: 2521
Text-content-md5: 0668418a621333f4aa8b6632cd63e2a0
+Text-content-sha1: 4f29afd038e52f45acb5ef8c41acfc70062a741a
Content-length: 2521
# -DCOLLISION_CHECK if you believe that SHA1's
@@ -406,9 +436,9 @@ backup: clean
cd .. ; tar czvf dircache.tar.gz dir-cache
-Revision-number: 6
-Prop-content-length: 112
-Content-length: 112
+Revision-number: 7
+Prop-content-length: 116
+Content-length: 116
K 7
svn:log
@@ -416,12 +446,12 @@ V 13
left update 2
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:44.164175Z
+2009-11-12T20:29:47.069090Z
PROPS-END
Node-path: branches/left/Makefile
@@ -429,6 +459,7 @@ Node-kind: file
Node-action: change
Text-content-length: 2529
Text-content-md5: f6b197cc3f2e89a83e545d4bb003de73
+Text-content-sha1: 2f656677cfec0bceec85e53036ffb63e25126f8e
Content-length: 2529
# -DCOLLISION_CHECK if you believe that SHA1's
@@ -510,9 +541,9 @@ backup: clean
cd .. ; tar czvf dircache.tar.gz dir-cache
-Revision-number: 7
-Prop-content-length: 112
-Content-length: 112
+Revision-number: 8
+Prop-content-length: 116
+Content-length: 116
K 7
svn:log
@@ -520,12 +551,12 @@ V 13
left update 3
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:45.144214Z
+2009-11-12T20:29:48.053835Z
PROPS-END
Node-path: branches/left/Makefile
@@ -533,6 +564,7 @@ Node-kind: file
Node-action: change
Text-content-length: 2593
Text-content-md5: 5ccff689fb290e00b85fe18ee50c54ba
+Text-content-sha1: a13de8e23f1483efca3e57b2b64b0ae6f740ce10
Content-length: 2593
# -DCOLLISION_CHECK if you believe that SHA1's
@@ -614,22 +646,22 @@ backup: clean
cd .. ; tar czvf dircache.tar.gz dir-cache
-Revision-number: 8
-Prop-content-length: 110
-Content-length: 110
+Revision-number: 9
+Prop-content-length: 116
+Content-length: 116
K 7
svn:log
-V 11
-Merge trunk
+V 13
+Merge trunk 1
K 10
svn:author
-V 4
-samv
+V 8
+tallsopp
K 8
svn:date
V 27
-2009-10-20T01:33:48.176135Z
+2009-11-12T20:29:51.098306Z
PROPS-END
Node-path: trunk
@@ -641,7 +673,7 @@ Content-length: 53
K 13
svn:mergeinfo
V 18
-/branches/left:2-7
+/branches/left:2-8
PROPS-END
@@ -650,6 +682,7 @@ Node-kind: file
Node-action: change
Text-content-length: 2713
Text-content-md5: 0afbe34f244cd662b1f97d708c687f90
+Text-content-sha1: 46d9377d783e67a9b581da110352e799517c8a14
Content-length: 2713
# -DCOLLISION_CHECK if you believe that SHA1's
@@ -734,3 +767,244 @@ backup: clean
cd .. ; tar czvf dircache.tar.gz dir-cache
+Revision-number: 10
+Prop-content-length: 116
+Content-length: 116
+
+K 7
+svn:log
+V 13
+left update 4
+K 10
+svn:author
+V 8
+tallsopp
+K 8
+svn:date
+V 27
+2009-11-12T20:29:52.081644Z
+PROPS-END
+
+Node-path: branches/left/Makefile
+Node-kind: file
+Node-action: change
+Text-content-length: 2529
+Text-content-md5: f6b197cc3f2e89a83e545d4bb003de73
+Text-content-sha1: 2f656677cfec0bceec85e53036ffb63e25126f8e
+Content-length: 2529
+
+# -DCOLLISION_CHECK if you believe that SHA1's
+# 1461501637330902918203684832716283019655932542976 hashes do not give you
+# enough guarantees about no collisions between objects ever hapenning.
+#
+# -DNSEC if you want git to care about sub-second file mtimes and ctimes.
+# Note that you need some new glibc (at least >2.2.4) for this, and it will
+# BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely randomly
+# break unless your underlying filesystem supports those sub-second times
+# (my ext3 doesn't).
+CFLAGS=-g -O3 -Wall
+
+CC=gcc
+
+
+PROG= update-cache show-diff init-db write-tree read-tree commit-tree \
+ cat-file fsck-cache checkout-cache diff-tree rev-tree show-files \
+ check-files ls-tree merge-base
+
+all: $(PROG)
+
+install: $(PROG)
+ install $(PROG) $(HOME)/bin/
+
+LIBS= -lssl -lz
+
+init-db: init-db.o
+
+update-cache: update-cache.o read-cache.o
+ $(CC) $(CFLAGS) -o update-cache update-cache.o read-cache.o $(LIBS)
+
+show-diff: show-diff.o read-cache.o
+ $(CC) $(CFLAGS) -o show-diff show-diff.o read-cache.o $(LIBS)
+
+write-tree: write-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o write-tree write-tree.o read-cache.o $(LIBS)
+
+read-tree: read-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o read-tree read-tree.o read-cache.o $(LIBS)
+
+commit-tree: commit-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o commit-tree commit-tree.o read-cache.o $(LIBS)
+
+cat-file: cat-file.o read-cache.o
+ $(CC) $(CFLAGS) -o cat-file cat-file.o read-cache.o $(LIBS)
+
+fsck-cache: fsck-cache.o read-cache.o object.o commit.o tree.o blob.o
+ $(CC) $(CFLAGS) -o fsck-cache fsck-cache.o read-cache.o object.o commit.o tree.o blob.o $(LIBS)
+
+checkout-cache: checkout-cache.o read-cache.o
+ $(CC) $(CFLAGS) -o checkout-cache checkout-cache.o read-cache.o $(LIBS)
+
+diff-tree: diff-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o diff-tree diff-tree.o read-cache.o $(LIBS)
+
+rev-tree: rev-tree.o read-cache.o object.o commit.o tree.o blob.o
+ $(CC) $(CFLAGS) -o rev-tree rev-tree.o read-cache.o object.o commit.o tree.o blob.o $(LIBS)
+
+show-files: show-files.o read-cache.o
+ $(CC) $(CFLAGS) -o show-files show-files.o read-cache.o $(LIBS)
+
+check-files: check-files.o read-cache.o
+ $(CC) $(CFLAGS) -o check-files check-files.o read-cache.o $(LIBS)
+
+ls-tree: ls-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o ls-tree ls-tree.o read-cache.o $(LIBS)
+
+merge-base: merge-base.o read-cache.o
+ $(CC) $(CFLAGS) -o merge-base merge-base.o read-cache.o $(LIBS)
+
+read-cache.o: cache.h
+show-diff.o: cache.h
+
+clean:
+ rm -f *.o $(PROG)
+
+backup: clean
+ cd .. ; tar czvf dircache.tar.gz dir-cache
+
+
+Revision-number: 11
+Prop-content-length: 117
+Content-length: 117
+
+K 7
+svn:log
+V 14
+right update 1
+K 10
+svn:author
+V 8
+tallsopp
+K 8
+svn:date
+V 27
+2009-11-12T20:29:53.059636Z
+PROPS-END
+
+Node-path: branches/right/Makefile
+Node-kind: file
+Node-action: change
+Text-content-length: 2593
+Text-content-md5: 5ccff689fb290e00b85fe18ee50c54ba
+Text-content-sha1: a13de8e23f1483efca3e57b2b64b0ae6f740ce10
+Content-length: 2593
+
+# -DCOLLISION_CHECK if you believe that SHA1's
+# 1461501637330902918203684832716283019655932542976 hashes do not give you
+# enough guarantees about no collisions between objects ever hapenning.
+#
+# -DNSEC if you want git to care about sub-second file mtimes and ctimes.
+# Note that you need some new glibc (at least >2.2.4) for this, and it will
+# BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely randomly
+# break unless your underlying filesystem supports those sub-second times
+# (my ext3 doesn't).
+CFLAGS=-g -O3 -Wall
+
+CC=gcc
+
+
+PROG= update-cache show-diff init-db write-tree read-tree commit-tree \
+ cat-file fsck-cache checkout-cache diff-tree rev-tree show-files \
+ check-files ls-tree merge-base
+
+all: $(PROG)
+
+install: $(PROG)
+ install $(PROG) $(HOME)/bin/
+
+LIBS= -lssl -lz
+
+init-db: init-db.o
+
+update-cache: update-cache.o read-cache.o
+ $(CC) $(CFLAGS) -o update-cache update-cache.o read-cache.o $(LIBS)
+
+show-diff: show-diff.o read-cache.o
+ $(CC) $(CFLAGS) -o show-diff show-diff.o read-cache.o $(LIBS)
+
+write-tree: write-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o write-tree write-tree.o read-cache.o $(LIBS)
+
+read-tree: read-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o read-tree read-tree.o read-cache.o $(LIBS)
+
+commit-tree: commit-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o commit-tree commit-tree.o read-cache.o $(LIBS)
+
+cat-file: cat-file.o read-cache.o
+ $(CC) $(CFLAGS) -o cat-file cat-file.o read-cache.o $(LIBS)
+
+fsck-cache: fsck-cache.o read-cache.o object.o commit.o tree.o blob.o
+ $(CC) $(CFLAGS) -o fsck-cache fsck-cache.o read-cache.o object.o commit.o tree.o blob.o $(LIBS)
+
+checkout-cache: checkout-cache.o read-cache.o
+ $(CC) $(CFLAGS) -o checkout-cache checkout-cache.o read-cache.o $(LIBS)
+
+diff-tree: diff-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o diff-tree diff-tree.o read-cache.o $(LIBS)
+
+rev-tree: rev-tree.o read-cache.o object.o commit.o tree.o blob.o
+ $(CC) $(CFLAGS) -o rev-tree rev-tree.o read-cache.o object.o commit.o tree.o blob.o $(LIBS)
+
+show-files: show-files.o read-cache.o
+ $(CC) $(CFLAGS) -o show-files show-files.o read-cache.o $(LIBS)
+
+check-files: check-files.o read-cache.o
+ $(CC) $(CFLAGS) -o check-files check-files.o read-cache.o $(LIBS)
+
+ls-tree: ls-tree.o read-cache.o
+ $(CC) $(CFLAGS) -o ls-tree ls-tree.o read-cache.o $(LIBS)
+
+merge-base: merge-base.o read-cache.o object.o commit.o tree.o blob.o
+ $(CC) $(CFLAGS) -o merge-base merge-base.o read-cache.o object.o commit.o tree.o blob.o $(LIBS)
+
+read-cache.o: cache.h
+show-diff.o: cache.h
+
+clean:
+ rm -f *.o $(PROG)
+
+backup: clean
+ cd .. ; tar czvf dircache.tar.gz dir-cache
+
+
+Revision-number: 12
+Prop-content-length: 116
+Content-length: 116
+
+K 7
+svn:log
+V 13
+Merge trunk 2
+K 10
+svn:author
+V 8
+tallsopp
+K 8
+svn:date
+V 27
+2009-11-12T20:29:56.083003Z
+PROPS-END
+
+Node-path: trunk
+Node-kind: dir
+Node-action: change
+Prop-content-length: 54
+Content-length: 54
+
+K 13
+svn:mergeinfo
+V 19
+/branches/left:2-11
+PROPS-END
+
+