Mercurial > hg-stable
view tests/test-graft.t @ 48814:e3c75d65d589 stable
tests: demonstrate that copy info in changeset gets lost on amend
When copy information is stored in changesets, it gets lost on
amend. We didn't notice that until now because our users at Google
have the config set to `compatibility`, which means copy information
is stored in both changeset and filelogs.
Differential Revision: https://phab.mercurial-scm.org/D12386
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Fri, 18 Mar 2022 21:37:22 -0700 |
parents | 6b1049d71c3e |
children |
line wrap: on
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$ cat >> $HGRCPATH <<EOF > [extdiff] > # for portability: > pdiff = sh "$RUNTESTDIR/pdiff" > EOF Create a repo with some stuff in it: $ hg init a $ cd a $ echo a > a $ echo a > d $ echo a > e $ hg ci -qAm0 $ echo b > a $ hg ci -m1 -u bar $ hg mv a b $ hg ci -m2 $ hg cp b c $ hg ci -m3 -u baz $ echo b > d $ echo f > e $ hg ci -m4 $ hg up -q 3 $ echo b > e $ hg branch -q stable $ hg ci -m5 $ hg merge -q default --tool internal:local # for conflicts in e, choose 5 and ignore 4 $ hg branch -q default $ hg ci -m6 $ hg phase --public 3 $ hg phase --force --secret 6 $ hg log -G --template '{author}@{rev}.{phase}: {desc}\n' @ test@6.secret: 6 |\ | o test@5.draft: 5 | | o | test@4.draft: 4 |/ o baz@3.public: 3 | o test@2.public: 2 | o bar@1.public: 1 | o test@0.public: 0 Test --base for grafting the merge of 4 from the perspective of 5, thus only getting the change to d $ hg up -cqr 3 $ hg graft -r 6 --base 5 grafting 6:25a2b029d3ae "6" (tip) merging e $ hg st --change . M d $ hg -q strip . --config extensions.strip= Test --base for collapsing changesets 2 and 3, thus getting both b and c $ hg up -cqr 0 $ hg graft -r 3 --base 1 grafting 3:4c60f11aa304 "3" merging a and b to b merging a and c to c $ hg st --change . A b A c R a $ hg -q strip . --config extensions.strip= Specifying child as --base revision fails safely (perhaps slightly confusing, but consistent) $ hg graft -r 2 --base 3 grafting 2:5c095ad7e90f "2" note: possible conflict - c was deleted and renamed to: a note: graft of 2:5c095ad7e90f created no changes to commit Can't continue without starting: $ hg -q up -cr tip $ hg rm -q e $ hg graft --continue abort: no graft in progress [20] $ hg revert -r . -q e Need to specify a rev: $ hg graft abort: no revisions specified [10] Can't graft ancestor: $ hg graft 1 2 skipping ancestor revision 1:5d205f8b35b6 skipping ancestor revision 2:5c095ad7e90f [255] Specify revisions with -r: $ hg graft -r 1 -r 2 skipping ancestor revision 1:5d205f8b35b6 skipping ancestor revision 2:5c095ad7e90f [255] $ hg graft -r 1 2 warning: inconsistent use of --rev might give unexpected revision ordering! skipping ancestor revision 2:5c095ad7e90f skipping ancestor revision 1:5d205f8b35b6 [255] Conflicting date/user options: $ hg up -q 0 $ hg graft -U --user foo 2 abort: cannot specify both --user and --currentuser [10] $ hg graft -D --date '0 0' 2 abort: cannot specify both --date and --currentdate [10] Can't graft with dirty wd: $ hg up -q 0 $ echo foo > a $ hg graft 1 abort: uncommitted changes [20] $ hg revert a Graft a rename: (this also tests that editor is invoked if '--edit' is specified) $ hg status --rev "2^1" --rev 2 A b R a $ HGEDITOR=cat hg graft 2 -u foo --edit grafting 2:5c095ad7e90f "2" merging a and b to b 2 HG: Enter commit message. Lines beginning with 'HG:' are removed. HG: Leave message empty to abort commit. HG: -- HG: user: foo HG: branch 'default' HG: added b HG: removed a $ hg export tip --git # HG changeset patch # User foo # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 # Node ID ef0ef43d49e79e81ddafdc7997401ba0041efc82 # Parent 68795b066622ca79a25816a662041d8f78f3cd9e 2 diff --git a/a b/b rename from a rename to b Look for extra:source $ hg log --debug -r tip changeset: 7:ef0ef43d49e79e81ddafdc7997401ba0041efc82 tag: tip phase: draft parent: 0:68795b066622ca79a25816a662041d8f78f3cd9e parent: -1:0000000000000000000000000000000000000000 manifest: 7:e59b6b228f9cbf9903d5e9abf996e083a1f533eb user: foo date: Thu Jan 01 00:00:00 1970 +0000 files+: b files-: a extra: branch=default extra: source=5c095ad7e90f871700f02dd1fa5012cb4498a2d4 description: 2 Graft out of order, skipping a merge and a duplicate (this also tests that editor is not invoked if '--edit' is not specified) $ hg graft 1 5 4 3 'merge()' 2 -n skipping ungraftable merge revision 6 skipping revision 2:5c095ad7e90f (already grafted to 7:ef0ef43d49e7) grafting 1:5d205f8b35b6 "1" grafting 5:97f8bfe72746 "5" grafting 4:9c233e8e184d "4" grafting 3:4c60f11aa304 "3" $ HGEDITOR=cat hg graft 1 5 'merge()' 2 --debug skipping ungraftable merge revision 6 scanning for duplicate grafts skipping revision 2:5c095ad7e90f (already grafted to 7:ef0ef43d49e7) grafting 1:5d205f8b35b6 "1" unmatched files in local: b all copies found (* = to merge, ! = divergent, % = renamed and deleted): on local side: src: 'a' -> dst: 'b' * checking for directory renames resolving manifests branchmerge: True, force: True, partial: False ancestor: 68795b066622, local: ef0ef43d49e7+, remote: 5d205f8b35b6 starting 4 threads for background file closing (?) preserving b for resolve of b b: local copied/moved from a -> m picked tool ':merge' for b (binary False symlink False changedelete False) merging b and a to b my b@ef0ef43d49e7+ other a@5d205f8b35b6 ancestor a@68795b066622 premerge successful committing files: b committing manifest committing changelog updating the branch cache grafting 5:97f8bfe72746 "5" resolving manifests branchmerge: True, force: True, partial: False ancestor: 4c60f11aa304, local: 6b9e5368ca4e+, remote: 97f8bfe72746 e: remote is newer -> g getting e committing files: e committing manifest committing changelog updating the branch cache $ HGEDITOR=cat hg graft 4 3 --log --debug scanning for duplicate grafts grafting 4:9c233e8e184d "4" resolving manifests branchmerge: True, force: True, partial: False ancestor: 4c60f11aa304, local: 1905859650ec+, remote: 9c233e8e184d d: remote is newer -> g getting d preserving e for resolve of e e: versions differ -> m picked tool ':merge' for e (binary False symlink False changedelete False) merging e my e@1905859650ec+ other e@9c233e8e184d ancestor e@4c60f11aa304 warning: conflicts while merging e! (edit, then use 'hg resolve --mark') abort: unresolved conflicts, can't continue (use 'hg resolve' and 'hg graft --continue') [1] Summary should mention graft: $ hg summary |grep graft commit: 2 modified, 2 unknown, 1 unresolved (graft in progress) Using status to get more context $ hg status --verbose M d M e ? a.orig ? e.orig # The repository is in an unfinished *graft* state. # Unresolved merge conflicts: # # e # # To mark files as resolved: hg resolve --mark FILE # To continue: hg graft --continue # To abort: hg graft --abort # To stop: hg graft --stop Commit while interrupted should fail: $ hg ci -m 'commit interrupted graft' abort: graft in progress (use 'hg graft --continue' or 'hg graft --stop' to stop) [20] Abort the graft and try committing: $ hg up -C . 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo c >> e $ hg ci -mtest $ hg strip . --config extensions.strip= 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/a/.hg/strip-backup/*-backup.hg (glob) Graft again: $ hg graft 1 5 4 3 'merge()' 2 skipping ungraftable merge revision 6 skipping revision 2:5c095ad7e90f (already grafted to 7:ef0ef43d49e7) skipping revision 1:5d205f8b35b6 (already grafted to 8:6b9e5368ca4e) skipping revision 5:97f8bfe72746 (already grafted to 9:1905859650ec) grafting 4:9c233e8e184d "4" merging e warning: conflicts while merging e! (edit, then use 'hg resolve --mark') abort: unresolved conflicts, can't continue (use 'hg resolve' and 'hg graft --continue') [1] Continue without resolve should fail: $ hg graft -c grafting 4:9c233e8e184d "4" abort: unresolved merge conflicts (see 'hg help resolve') [20] Fix up: $ echo b > e $ hg resolve -m e (no more unresolved files) continue: hg graft --continue Continue with a revision should fail: $ hg graft -c 6 abort: can't specify --continue and revisions [10] $ hg graft -c -r 6 abort: can't specify --continue and revisions [10] Continue for real, clobber usernames $ hg graft -c -U grafting 4:9c233e8e184d "4" grafting 3:4c60f11aa304 "3" Compare with original: $ hg diff -r 6 $ hg status --rev 0:. -C M d M e A b a A c a R a View graph: $ hg log -G --template '{author}@{rev}.{phase}: {desc}\n' @ test@11.draft: 3 | o test@10.draft: 4 | o test@9.draft: 5 | o bar@8.draft: 1 | o foo@7.draft: 2 | | o test@6.secret: 6 | |\ | | o test@5.draft: 5 | | | | o | test@4.draft: 4 | |/ | o baz@3.public: 3 | | | o test@2.public: 2 | | | o bar@1.public: 1 |/ o test@0.public: 0 Graft again onto another branch should preserve the original source $ hg up -q 0 $ echo 'g'>g $ hg add g $ hg ci -m 7 created new head $ hg graft 7 grafting 7:ef0ef43d49e7 "2" $ hg log -r 7 --template '{rev}:{node}\n' 7:ef0ef43d49e79e81ddafdc7997401ba0041efc82 $ hg log -r 2 --template '{rev}:{node}\n' 2:5c095ad7e90f871700f02dd1fa5012cb4498a2d4 $ hg log --debug -r tip changeset: 13:7a4785234d87ec1aa420ed6b11afe40fa73e12a9 tag: tip phase: draft parent: 12:b592ea63bb0c19a6c5c44685ee29a2284f9f1b8f parent: -1:0000000000000000000000000000000000000000 manifest: 13:dc313617b8c32457c0d589e0dbbedfe71f3cd637 user: foo date: Thu Jan 01 00:00:00 1970 +0000 files+: b files-: a extra: branch=default extra: intermediate-source=ef0ef43d49e79e81ddafdc7997401ba0041efc82 extra: source=5c095ad7e90f871700f02dd1fa5012cb4498a2d4 description: 2 Disallow grafting an already grafted cset onto its original branch $ hg up -q 6 $ hg graft 7 skipping already grafted revision 7:ef0ef43d49e7 (was grafted from 2:5c095ad7e90f) [255] $ hg pdiff --config extensions.extdiff= --patch -r 2 -r 13 --- */hg-5c095ad7e90f.patch * (glob) +++ */hg-7a4785234d87.patch * (glob) @@ -1,18 +1,18 @@ # HG changeset patch -# User test +# User foo # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 -# Node ID 5c095ad7e90f871700f02dd1fa5012cb4498a2d4 -# Parent 5d205f8b35b66bc36375c9534ffd3237730e8f04 +# Node ID 7a4785234d87ec1aa420ed6b11afe40fa73e12a9 +# Parent b592ea63bb0c19a6c5c44685ee29a2284f9f1b8f 2 -diff -r 5d205f8b35b6 -r 5c095ad7e90f a +diff -r b592ea63bb0c -r 7a4785234d87 a --- a/a Thu Jan 01 00:00:00 1970 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ --b -diff -r 5d205f8b35b6 -r 5c095ad7e90f b +-a +diff -r b592ea63bb0c -r 7a4785234d87 b --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/b Thu Jan 01 00:00:00 1970 +0000 @@ -0,0 +1,1 @@ -+b ++a [1] $ hg pdiff --config extensions.extdiff= --patch -r 2 -r 13 -X . --- */hg-5c095ad7e90f.patch * (glob) +++ */hg-7a4785234d87.patch * (glob) @@ -1,8 +1,8 @@ # HG changeset patch -# User test +# User foo # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 -# Node ID 5c095ad7e90f871700f02dd1fa5012cb4498a2d4 -# Parent 5d205f8b35b66bc36375c9534ffd3237730e8f04 +# Node ID 7a4785234d87ec1aa420ed6b11afe40fa73e12a9 +# Parent b592ea63bb0c19a6c5c44685ee29a2284f9f1b8f 2 [1] Disallow grafting already grafted csets with the same origin onto each other $ hg up -q 13 $ hg graft 2 skipping revision 2:5c095ad7e90f (already grafted to 13:7a4785234d87) [255] $ hg graft 7 skipping already grafted revision 7:ef0ef43d49e7 (13:7a4785234d87 also has origin 2:5c095ad7e90f) [255] $ hg up -q 7 $ hg graft 2 skipping revision 2:5c095ad7e90f (already grafted to 7:ef0ef43d49e7) [255] $ hg graft tip skipping already grafted revision 13:7a4785234d87 (7:ef0ef43d49e7 also has origin 2:5c095ad7e90f) [255] Graft with --log $ hg up -Cq 1 $ hg graft 3 --log -u foo grafting 3:4c60f11aa304 "3" $ hg log --template '{rev}:{node|short} {parents} {desc}\n' -r tip 14:0c921c65ef1e 1:5d205f8b35b6 3 (grafted from 4c60f11aa304a54ae1c199feb94e7fc771e51ed8) Resolve conflicted graft $ hg up -q 0 $ echo b > a $ hg ci -m 8 created new head $ echo c > a $ hg ci -m 9 $ hg graft 1 --tool internal:fail grafting 1:5d205f8b35b6 "1" abort: unresolved conflicts, can't continue (use 'hg resolve' and 'hg graft --continue') [1] $ hg resolve --all merging a warning: conflicts while merging a! (edit, then use 'hg resolve --mark') [1] $ cat a <<<<<<< local: aaa4406d4f0a - test: 9 c ======= b >>>>>>> graft: 5d205f8b35b6 - bar: 1 $ echo b > a $ hg resolve -m a (no more unresolved files) continue: hg graft --continue $ hg graft -c grafting 1:5d205f8b35b6 "1" $ hg export tip --git # HG changeset patch # User bar # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 # Node ID f67661df0c4804d301f064f332b57e7d5ddaf2be # Parent aaa4406d4f0ae9befd6e58c82ec63706460cbca6 1 diff --git a/a b/a --- a/a +++ b/a @@ -1,1 +1,1 @@ -c +b Resolve conflicted graft with rename $ echo c > a $ hg ci -m 10 $ hg graft 2 --tool internal:fail grafting 2:5c095ad7e90f "2" abort: unresolved conflicts, can't continue (use 'hg resolve' and 'hg graft --continue') [1] $ hg resolve --all merging a and b to b (no more unresolved files) continue: hg graft --continue $ hg graft -c grafting 2:5c095ad7e90f "2" $ hg export tip --git # HG changeset patch # User test # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 # Node ID 9627f653b421c61fc1ea4c4e366745070fa3d2bc # Parent ee295f490a40b97f3d18dd4c4f1c8936c233b612 2 diff --git a/a b/b rename from a rename to b Test simple origin(), with and without args $ hg log -r 'origin()' changeset: 1:5d205f8b35b6 user: bar date: Thu Jan 01 00:00:00 1970 +0000 summary: 1 changeset: 2:5c095ad7e90f user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 3:4c60f11aa304 user: baz date: Thu Jan 01 00:00:00 1970 +0000 summary: 3 changeset: 4:9c233e8e184d user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 4 changeset: 5:97f8bfe72746 branch: stable parent: 3:4c60f11aa304 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 5 $ hg log -r 'origin(7)' changeset: 2:5c095ad7e90f user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 Now transplant a graft to test following through copies $ hg up -q 0 $ hg branch -q dev $ hg ci -qm "dev branch" $ hg --config extensions.transplant= transplant -q 7 $ hg log -r 'origin(.)' changeset: 2:5c095ad7e90f user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 Test that the graft and transplant markers in extra are converted, allowing origin() to still work. Note that these recheck the immediately preceeding two tests. $ hg --quiet --config extensions.convert= --config convert.hg.saverev=True convert . ../converted The graft case $ hg -R ../converted log -r 7 --template "{rev}: {node}\n{join(extras, '\n')}\n" 7: 7ae846e9111fc8f57745634250c7b9ac0a60689b branch=default convert_revision=ef0ef43d49e79e81ddafdc7997401ba0041efc82 source=e0213322b2c1a5d5d236c74e79666441bee67a7d $ hg -R ../converted log -r 'origin(7)' changeset: 2:e0213322b2c1 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 Test that template correctly expands more than one 'extra' (issue4362), and that 'intermediate-source' is converted. $ hg -R ../converted log -r 13 --template "{extras % ' Extra: {extra}\n'}" Extra: branch=default Extra: convert_revision=7a4785234d87ec1aa420ed6b11afe40fa73e12a9 Extra: intermediate-source=7ae846e9111fc8f57745634250c7b9ac0a60689b Extra: source=e0213322b2c1a5d5d236c74e79666441bee67a7d The transplant case $ hg -R ../converted log -r tip --template "{rev}: {node}\n{join(extras, '\n')}\n" 21: fbb6c5cc81002f2b4b49c9d731404688bcae5ade branch=dev convert_revision=7e61b508e709a11d28194a5359bc3532d910af21 transplant_source=z\xe8F\xe9\x11\x1f\xc8\xf5wEcBP\xc7\xb9\xac\n`h\x9b $ hg -R ../converted log -r 'origin(tip)' changeset: 2:e0213322b2c1 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 Test simple destination $ hg log -r 'destination()' changeset: 7:ef0ef43d49e7 parent: 0:68795b066622 user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 8:6b9e5368ca4e user: bar date: Thu Jan 01 00:00:00 1970 +0000 summary: 1 changeset: 9:1905859650ec user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 5 changeset: 10:52dc0b4c6907 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 4 changeset: 11:882b35362a6b user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 3 changeset: 13:7a4785234d87 user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 14:0c921c65ef1e parent: 1:5d205f8b35b6 user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 3 changeset: 17:f67661df0c48 user: bar date: Thu Jan 01 00:00:00 1970 +0000 summary: 1 changeset: 19:9627f653b421 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 21:7e61b508e709 branch: dev tag: tip user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 $ hg log -r 'destination(2)' changeset: 7:ef0ef43d49e7 parent: 0:68795b066622 user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 13:7a4785234d87 user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 19:9627f653b421 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 21:7e61b508e709 branch: dev tag: tip user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 Transplants of grafts can find a destination... $ hg log -r 'destination(7)' changeset: 21:7e61b508e709 branch: dev tag: tip user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 ... grafts of grafts unfortunately can't $ hg graft -q 13 --debug scanning for duplicate grafts grafting 13:7a4785234d87 "2" all copies found (* = to merge, ! = divergent, % = renamed and deleted): on local side: src: 'a' -> dst: 'b' * on remote side: src: 'a' -> dst: 'b' * checking for directory renames resolving manifests branchmerge: True, force: True, partial: False ancestor: b592ea63bb0c, local: 7e61b508e709+, remote: 7a4785234d87 starting 4 threads for background file closing (?) nothing to commit, clearing merge state note: graft of 13:7a4785234d87 created no changes to commit $ hg log -r 'destination(13)' All copies of a cset $ hg log -r 'origin(13) or destination(origin(13))' changeset: 2:5c095ad7e90f user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 7:ef0ef43d49e7 parent: 0:68795b066622 user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 13:7a4785234d87 user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 19:9627f653b421 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 changeset: 21:7e61b508e709 branch: dev tag: tip user: foo date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 graft skips ancestors $ hg graft 21 3 skipping ancestor revision 21:7e61b508e709 grafting 3:4c60f11aa304 "3" merging b and c to c graft with --force (still doesn't graft merges) $ hg graft 19 0 6 skipping ungraftable merge revision 6 skipping ancestor revision 0:68795b066622 grafting 19:9627f653b421 "2" merging b note: graft of 19:9627f653b421 created no changes to commit $ hg graft 19 0 6 --force skipping ungraftable merge revision 6 grafting 19:9627f653b421 "2" merging b note: graft of 19:9627f653b421 created no changes to commit grafting 0:68795b066622 "0" graft --force after backout. Do the backout with graft too, to make sure we support issue6248. $ echo abc > a $ hg ci -m 24 $ hg graft --base . -r ".^" --no-commit grafting 23:b1cac6de36a9 "0" $ hg commit -m 'Backed out changeset 2e7ea477be26' $ hg graft 24 skipping ancestor revision 24:2e7ea477be26 [255] $ hg graft 24 --force grafting 24:2e7ea477be26 "24" merging a $ cat a abc graft --continue after --force $ echo def > a $ hg ci -m 27 $ hg graft 24 --force --tool internal:fail grafting 24:2e7ea477be26 "24" abort: unresolved conflicts, can't continue (use 'hg resolve' and 'hg graft --continue') [1] $ hg resolve --all merging a warning: conflicts while merging a! (edit, then use 'hg resolve --mark') [1] $ echo abc > a $ hg resolve -m a (no more unresolved files) continue: hg graft --continue $ hg graft -c grafting 24:2e7ea477be26 "24" $ cat a abc graft --continue after --base with conflits $ echo base > d $ hg ci -m _ $ hg graft -r 6 skipping ungraftable merge revision 6 [255] $ hg graft -r 6 --base 5 grafting 6:25a2b029d3ae "6" merging d warning: conflicts while merging d! (edit, then use 'hg resolve --mark') merging e abort: unresolved conflicts, can't continue (use 'hg resolve' and 'hg graft --continue') [1] $ echo a > d && hg resolve -qm continue: hg graft --continue $ hg graft --continue grafting 6:25a2b029d3ae "6" Continue testing same origin policy, using revision numbers from test above but do some destructive editing of the repo: $ hg up -qC 7 $ hg tag -l -r 13 tmp $ hg --config extensions.strip= strip 2 saved backup bundle to $TESTTMP/a/.hg/strip-backup/5c095ad7e90f-d323a1e4-backup.hg $ hg graft tmp skipping already grafted revision 8:7a4785234d87 (2:ef0ef43d49e7 also has unknown origin 5c095ad7e90f) [255] Empty graft $ hg up -qr 22 $ hg tag -f something $ hg graft -qr 23 $ hg graft -f 23 grafting 23:72d9c7c75bcc "24" note: graft of 23:72d9c7c75bcc created no changes to commit $ cd .. Graft to duplicate a commit $ hg init graftsibling $ cd graftsibling $ touch a $ hg commit -qAm a $ touch b $ hg commit -qAm b $ hg log -G -T '{rev}\n' @ 1 | o 0 $ hg up -q 0 $ hg graft -r 1 grafting 1:0e067c57feba "b" (tip) $ hg log -G -T '{rev}\n' @ 2 | | o 1 |/ o 0 Graft to duplicate a commit twice $ hg up -q 0 $ hg graft -r 2 grafting 2:044ec77f6389 "b" (tip) $ hg log -G -T '{rev}\n' @ 3 | | o 2 |/ | o 1 |/ o 0