mirror of
https://github.com/facebook/sapling.git
synced 2024-10-10 08:47:12 +03:00
3a71637352
Before this patch, refcount (managed in "needed") of parents of each revisions in "visit" is increased, only when parent is not annotated yet (examined by "p not in hist"). But this causes less refcount of the revision like "A" in the tree below ("A" is assumed as the second parent of "C"): A --- B --- C \ / \-----/ Steps of annotation for "C" in this case are shown below: 1. for "C" 1.1 increase refcount of "B" 1.2 increase refcount of "A" (=> 1) 1.3 defer annotation for "C" 2. for "A" 2.1 annotate for "A" (=> put result into "hist[A]") 2.2 clear "pcache[A]" ("pcache[A] = []") 3. for "B" 3.1 not increase refcount of "A", because "A not in hist" is False 3.2 annotate for "B" 3.3 decrease refcount of "A" (=> 0) 3.4 delete "hist[A]", even though "A" is still needed by "C" 3.5 clear "pcache[B]" 4. for "C", again 4.1 not increase refcount of "B", because "B not in hist" is False 4.2 increase refcount of "A" (=> 1) 4.3 defer annotation for "C" 5. for "A", again 5.1 annotate for "A" (=> put result into "hist[A]", again) 5.2 clear "pcache[A]" 6. for "C", once again 6.1 not increase refcount of "B", because "B not in hist" is False 6.2 not increase refcount of "A", because "A not in hist" is False 6.3 annotate for "C" 6.4 decrease refcount of "A", and delete "hist[A]" 6.5 decrease refcount of "B", and delete "hist[B]" 6.6 clear "pcache[C]" At step (5.1), annotation for "A" mis-recognizes that all lines are created at "A", because "pcache[A]" already cleared at step (2.2) prevents from scanning ancestors of "A". So, annotation for "C" or its descendants loses information about "A" or its ancestors. The root cause of this problem is that refcount of "A" is decreased at step (3.3), even though it isn't increased at step (3.1). To increase refcount correctly, this patch increases refcount of each parents of each revisions: - regardless of "p not in hist" or not, and - only once for each revisions in "visit" (by "not pcached") In fact, this problem should occur only on legacy repositories in which a filelog includes the merging between the revision and its ancestor (as the second parent), because: - tree is scanned in depth-first without such merging, revisions in "visit" refer different revisions as parent each other - recent Mercurial doesn't allow such merging changelog and manifest can include such merging someway, but filelogs can't, because "localrepository._filecommit()" converts such merging request to linear history. This patch tests merging cases below: these cases are from filelog of "mercurial/commands.py" in the repository of Mercurial itself. - both parents are same 10 --- 11 --- 12 \_/ filelogrev: changesetid: 10 526aca6bcb38 11 05098100ff44 12 2d4f4cfa81d6 - the second parent is also ancestor of the first one 37 --- 38 --- 39 --- 40 \________/ filelogrev: changesetid: 37 033dc4170fe6 38 5ff1a23ce38c 39 661a47367859 40 a2ba99fd026f
431 lines
6.7 KiB
Perl
431 lines
6.7 KiB
Perl
$ HGMERGE=true; export HGMERGE
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init
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$ hg init repo
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$ cd repo
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commit
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$ echo 'a' > a
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$ hg ci -A -m test -u nobody -d '1 0'
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adding a
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annotate -c
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$ hg annotate -c a
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8435f90966e4: a
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annotate -cl
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$ hg annotate -cl a
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8435f90966e4:1: a
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annotate -d
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$ hg annotate -d a
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Thu Jan 01 00:00:01 1970 +0000: a
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annotate -n
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$ hg annotate -n a
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0: a
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annotate -nl
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$ hg annotate -nl a
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0:1: a
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annotate -u
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$ hg annotate -u a
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nobody: a
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annotate -cdnu
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$ hg annotate -cdnu a
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nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000: a
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annotate -cdnul
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$ hg annotate -cdnul a
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nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000:1: a
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$ cat <<EOF >>a
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> a
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> a
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> EOF
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$ hg ci -ma1 -d '1 0'
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$ hg cp a b
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$ hg ci -mb -d '1 0'
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$ cat <<EOF >> b
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> b4
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> b5
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> b6
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> EOF
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$ hg ci -mb2 -d '2 0'
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annotate -n b
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$ hg annotate -n b
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0: a
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1: a
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1: a
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3: b4
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3: b5
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3: b6
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annotate --no-follow b
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$ hg annotate --no-follow b
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2: a
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2: a
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2: a
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3: b4
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3: b5
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3: b6
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annotate -nl b
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$ hg annotate -nl b
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0:1: a
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1:2: a
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1:3: a
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3:4: b4
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3:5: b5
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3:6: b6
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annotate -nf b
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$ hg annotate -nf b
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0 a: a
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1 a: a
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1 a: a
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3 b: b4
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3 b: b5
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3 b: b6
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annotate -nlf b
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$ hg annotate -nlf b
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0 a:1: a
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1 a:2: a
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1 a:3: a
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3 b:4: b4
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3 b:5: b5
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3 b:6: b6
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$ hg up -C 2
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ cat <<EOF >> b
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> b4
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> c
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> b5
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> EOF
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$ hg ci -mb2.1 -d '2 0'
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created new head
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$ hg merge
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merging b
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ hg ci -mmergeb -d '3 0'
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annotate after merge
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$ hg annotate -nf b
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0 a: a
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1 a: a
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1 a: a
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3 b: b4
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4 b: c
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3 b: b5
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annotate after merge with -l
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$ hg annotate -nlf b
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0 a:1: a
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1 a:2: a
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1 a:3: a
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3 b:4: b4
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4 b:5: c
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3 b:5: b5
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$ hg up -C 1
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0 files updated, 0 files merged, 1 files removed, 0 files unresolved
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$ hg cp a b
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$ cat <<EOF > b
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> a
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> z
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> a
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> EOF
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$ hg ci -mc -d '3 0'
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created new head
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$ hg merge
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merging b
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ cat <<EOF >> b
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> b4
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> c
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> b5
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> EOF
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$ echo d >> b
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$ hg ci -mmerge2 -d '4 0'
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annotate after rename merge
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$ hg annotate -nf b
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0 a: a
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6 b: z
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1 a: a
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3 b: b4
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4 b: c
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3 b: b5
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7 b: d
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annotate after rename merge with -l
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$ hg annotate -nlf b
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0 a:1: a
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6 b:2: z
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1 a:3: a
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3 b:4: b4
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4 b:5: c
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3 b:5: b5
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7 b:7: d
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Issue2807: alignment of line numbers with -l
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$ echo more >> b
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$ hg ci -mmore -d '5 0'
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$ echo more >> b
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$ hg ci -mmore -d '6 0'
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$ echo more >> b
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$ hg ci -mmore -d '7 0'
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$ hg annotate -nlf b
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0 a: 1: a
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6 b: 2: z
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1 a: 3: a
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3 b: 4: b4
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4 b: 5: c
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3 b: 5: b5
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7 b: 7: d
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8 b: 8: more
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9 b: 9: more
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10 b:10: more
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linkrev vs rev
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$ hg annotate -r tip -n a
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0: a
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1: a
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1: a
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linkrev vs rev with -l
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$ hg annotate -r tip -nl a
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0:1: a
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1:2: a
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1:3: a
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Issue589: "undelete" sequence leads to crash
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annotate was crashing when trying to --follow something
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like A -> B -> A
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generate ABA rename configuration
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$ echo foo > foo
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$ hg add foo
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$ hg ci -m addfoo
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$ hg rename foo bar
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$ hg ci -m renamefoo
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$ hg rename bar foo
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$ hg ci -m renamebar
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annotate after ABA with follow
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$ hg annotate --follow foo
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foo: foo
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missing file
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$ hg ann nosuchfile
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abort: nosuchfile: no such file in rev e9e6b4fa872f
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[255]
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annotate file without '\n' on last line
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$ printf "" > c
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$ hg ci -A -m test -u nobody -d '1 0'
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adding c
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$ hg annotate c
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$ printf "a\nb" > c
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$ hg ci -m test
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$ hg annotate c
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[0-9]+: a (re)
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[0-9]+: b (re)
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Issue3841: check annotation of the file of which filelog includes
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merging between the revision and its ancestor
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to reproduce the situation with recent Mercurial, this script uses (1)
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"hg debugsetparents" to merge without ancestor check by "hg merge",
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and (2) the extension to allow filelog merging between the revision
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and its ancestor by overriding "repo._filecommit".
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$ cat > ../legacyrepo.py <<EOF
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> from mercurial import node, util
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> def reposetup(ui, repo):
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> class legacyrepo(repo.__class__):
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> def _filecommit(self, fctx, manifest1, manifest2,
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> linkrev, tr, changelist):
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> fname = fctx.path()
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> text = fctx.data()
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> flog = self.file(fname)
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> fparent1 = manifest1.get(fname, node.nullid)
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> fparent2 = manifest2.get(fname, node.nullid)
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> meta = {}
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> copy = fctx.renamed()
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> if copy and copy[0] != fname:
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> raise util.Abort('copying is not supported')
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> if fparent2 != node.nullid:
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> changelist.append(fname)
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> return flog.add(text, meta, tr, linkrev,
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> fparent1, fparent2)
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> raise util.Abort('only merging is supported')
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> repo.__class__ = legacyrepo
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> EOF
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$ cat > baz <<EOF
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> 1
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> 2
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> 3
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> 4
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> 5
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> EOF
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$ hg add baz
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$ hg commit -m "baz:0"
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$ cat > baz <<EOF
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> 1 baz:1
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> 2
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> 3
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> 4
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> 5
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> EOF
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$ hg commit -m "baz:1"
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$ cat > baz <<EOF
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> 1 baz:1
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> 2 baz:2
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> 3
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> 4
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> 5
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> EOF
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$ hg debugsetparents 17 17
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$ hg --config extensions.legacyrepo=../legacyrepo.py commit -m "baz:2"
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$ hg debugindexdot .hg/store/data/baz.i
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digraph G {
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-1 -> 0
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0 -> 1
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1 -> 2
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1 -> 2
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}
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$ hg annotate baz
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17: 1 baz:1
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18: 2 baz:2
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16: 3
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16: 4
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16: 5
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$ cat > baz <<EOF
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> 1 baz:1
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> 2 baz:2
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> 3 baz:3
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> 4
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> 5
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> EOF
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$ hg commit -m "baz:3"
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$ cat > baz <<EOF
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> 1 baz:1
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> 2 baz:2
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> 3 baz:3
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> 4 baz:4
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> 5
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> EOF
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$ hg debugsetparents 19 18
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$ hg --config extensions.legacyrepo=../legacyrepo.py commit -m "baz:4"
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$ hg debugindexdot .hg/store/data/baz.i
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digraph G {
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-1 -> 0
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0 -> 1
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1 -> 2
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1 -> 2
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2 -> 3
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3 -> 4
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2 -> 4
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}
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$ hg annotate baz
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17: 1 baz:1
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18: 2 baz:2
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19: 3 baz:3
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20: 4 baz:4
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16: 5
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Test annotate with whitespace options
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$ cd ..
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$ hg init repo-ws
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$ cd repo-ws
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$ cat > a <<EOF
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> aa
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>
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> b b
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> EOF
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$ hg ci -Am "adda"
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adding a
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$ sed 's/EOL$//g' > a <<EOF
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> a a
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>
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> EOL
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> b b
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> EOF
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$ hg ci -m "changea"
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Annotate with no option
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$ hg annotate a
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1: a a
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0:
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1:
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1: b b
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Annotate with --ignore-space-change
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$ hg annotate --ignore-space-change a
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1: a a
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1:
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0:
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0: b b
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Annotate with --ignore-all-space
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$ hg annotate --ignore-all-space a
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0: a a
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0:
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1:
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0: b b
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Annotate with --ignore-blank-lines (similar to no options case)
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$ hg annotate --ignore-blank-lines a
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1: a a
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0:
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1:
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1: b b
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$ cd ..
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