Mercurial > evolve
view tests/test-tutorial.t @ 6931:237f99ee3d64 stable
tests: remove leading spaces in `hg help` output, run only on Mercurial 6.9+
Core decided to remove a lot of leading spaces in docstrings to support Python
3.13, see 51057ab0dffa for details.
| author | Anton Shestakov <av6@dwimlabs.net> |
|---|---|
| date | Mon, 11 Nov 2024 10:39:57 +0400 |
| parents | 45cbf0af48e7 |
| children |
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=============== Evolve Tutorial =============== Initial setup ------------- This Mercurial configuration example is used for testing. .. Various setup $ cat >> $HGRCPATH << EOF > [ui] > # This is change the default output of log for clear tutorial > logtemplate ="{node|short} ({phase}): {desc}\n" > [diff] > # use "git" diff format, clearer and smarter format > git = 1 > EOF $ hg init local $ cat >> local/.hg/hgrc << EOF > [paths] > remote = ../remote > other = ../other > [ui] > user = Babar the King > EOF $ hg init remote $ cat >> remote/.hg/hgrc << EOF > [paths] > local = ../local > [ui] > user = Celestine the Queen > EOF $ hg init other $ cat >> other/.hg/hgrc << EOF > [ui] > user = Princess Flore > EOF This tutorial uses the following configuration for Mercurial: A compact log template with phase data: $ hg showconfig ui | grep log ui.logtemplate="{node|short} ({phase}): {desc}\n" Improved git format diff: $ hg showconfig diff diff.git=1 And of course, we enable the experimental extensions for mutable history: $ cat >> $HGRCPATH <<EOF > [extensions] > evolve = $TESTDIR/../hgext3rd/evolve/ > # enabling rebase is also needed for now > rebase = > EOF #if docgraph-ext $ . "$TESTDIR/testlib/docgraph_setup.sh" #rest-ignore #endif ----------------------- Single Developer Usage ----------------------- This tutorial shows how to use evolution to rewrite history locally. Fixing mistake with `hg amend` -------------------------------- We are versioning a shopping list $ cd local $ cat >> shopping << EOF > Spam > Whizzo butter > Albatross > Rat (rather a lot) > Jugged fish > Blancmange > Salmon mousse > EOF $ hg commit -A -m "Monthy Python Shopping list" adding shopping Its first version is shared with the outside. $ hg push remote pushing to $TESTTMP/remote (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files Later I add additional items to my list $ cat >> shopping << EOF > Egg > Sugar > Vinegar > Oil > EOF $ hg commit -m "adding condiment" $ cat >> shopping << EOF > Bananos > Pear > Apple > EOF $ hg commit -m "adding fruit" The history is completely linear so far $ hg log -G @ 4296f0622469 (draft): adding fruit | o 63ae8c44f4b6 (draft): adding condiment | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 1 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=1, pin=true, pos="1,1!", shape=pentagon, style=filled, width=1]; 0 -> 1 [arrowhead=none, penwidth=2.0]; 2 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=2, pin=true, pos="1,2!", shape=pentagon, style=filled, width=1]; 1 -> 2 [arrowhead=none, penwidth=2.0]; } #endif But a typo was made in Bananas! $ hg export tip # HG changeset patch # User test # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 # Node ID 4296f0622469c1527d5dc020cf72bd7732c44c64 # Parent 63ae8c44f4b6274d5580b4eea41a87623301c3e9 adding fruit diff --git a/shopping b/shopping --- a/shopping +++ b/shopping @@ -9,3 +9,6 @@ Sugar Vinegar Oil +Bananos +Pear +Apple The faulty changeset is in the "draft" phase because it has not been exchanged with the outside yet. The first one has been exchanged and is "public" (immutable). $ hg log -G @ 4296f0622469 (draft): adding fruit | o 63ae8c44f4b6 (draft): adding condiment | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 1 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=1, pin=true, pos="1,1!", shape=pentagon, style=filled, width=1]; 0 -> 1 [arrowhead=none, penwidth=2.0]; 2 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=2, pin=true, pos="1,2!", shape=pentagon, style=filled, width=1]; 1 -> 2 [arrowhead=none, penwidth=2.0]; } #endif Luckily, I can use `hg commit --amend` to rewrite my faulty changeset! $ sed -i'' -e s/Bananos/Banana/ shopping $ hg diff diff --git a/shopping b/shopping --- a/shopping +++ b/shopping @@ -9,6 +9,6 @@ Sugar Vinegar Oil -Bananos +Banana Pear Apple $ hg commit --amend A new changeset with the correct changes replaces the old one. $ hg log -G @ 6445b365ad1c (draft): adding fruit | o 63ae8c44f4b6 (draft): adding condiment | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 1 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=1, pin=true, pos="1,1!", shape=pentagon, style=filled, width=1]; 0 -> 1 [arrowhead=none, penwidth=2.0]; 3 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=3, pin=true, pos="1,3!", shape=pentagon, style=filled, width=1]; 1 -> 3 [arrowhead=none, penwidth=2.0]; } #endif $ hg export tip # HG changeset patch # User test # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 # Node ID 6445b365ad1c4905e7a120e45242d9f4b51ec48f # Parent 63ae8c44f4b6274d5580b4eea41a87623301c3e9 adding fruit diff --git a/shopping b/shopping --- a/shopping +++ b/shopping @@ -9,3 +9,6 @@ Sugar Vinegar Oil +Banana +Pear +Apple Getting rid of branchy history ---------------------------------- While I was working on my list, someone made a change remotely. $ cd ../remote $ hg up -q $ sed -i'' -e 's/Spam/Spam Spam Spam/' shopping $ hg ci -m 'SPAM' $ cd ../local I'll get this remote changeset when pulling $ hg pull remote pulling from $TESTTMP/remote (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) new changesets 9ca060c80d74 (run 'hg heads' to see heads, 'hg merge' to merge) I now have a new head. Note that this remote head is immutable. $ hg log -G o 9ca060c80d74 (public): SPAM | | @ 6445b365ad1c (draft): adding fruit | | | o 63ae8c44f4b6 (draft): adding condiment |/ o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 1 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=1, pin=true, pos="1,1!", shape=pentagon, style=filled, width=1]; 0 -> 1 [arrowhead=none, penwidth=2.0]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 3 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=3, pin=true, pos="1,3!", shape=pentagon, style=filled, width=1]; 1 -> 3 [arrowhead=none, penwidth=2.0]; } #endif Instead of merging my head with the new one. I'm going to rebase my work $ hg diff $ hg rebase --dest 9ca060c80d74 --source 63ae8c44f4b6 rebasing 1:63ae8c44f4b6 "adding condiment" merging shopping rebasing 3:6445b365ad1c "adding fruit" merging shopping My local work is now rebased on the remote one. $ hg log -G @ d300c8f961ce (draft): adding fruit | o 723e5a43d6d9 (draft): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=pentagon, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=pentagon, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; } #endif Removing changesets ------------------------ I add new items to my list. $ cat >> shopping << EOF > car > bus > plane > boat > EOF $ hg ci -m 'transport' $ hg log -G @ 7f938a07ecb2 (draft): transport | o d300c8f961ce (draft): adding fruit | o 723e5a43d6d9 (draft): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list I have a new commit but I realize that don't want it. (Transport shopping list does not fit well in my standard shopping list) $ hg prune . # "." is for working directory parent 1 files updated, 0 files merged, 0 files removed, 0 files unresolved working directory is now at d300c8f961ce 1 changesets pruned The silly changeset is gone. $ hg log -G @ d300c8f961ce (draft): adding fruit | o 723e5a43d6d9 (draft): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=pentagon, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=pentagon, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; } #endif Reordering changesets ------------------------ We create two changesets. $ cat >> shopping << EOF > Shampoo > Toothbrush > ... More bathroom stuff to come > Towel > Soap > EOF $ hg ci -m 'bathroom stuff' $ sed -i'' -e 's/Spam/Spam Spam Spam/g' shopping $ hg ci -m 'SPAM SPAM' $ hg log -G @ 1c877d31b53f (draft): SPAM SPAM | o d1928babc208 (draft): bathroom stuff | o d300c8f961ce (draft): adding fruit | o 723e5a43d6d9 (draft): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list .. note:: We can't amend changeset 7e82d3f3c2cb or 9ca060c80d74 as they are immutable. I now want to push to remote all my changes except the bathroom one, which I'm not totally happy with yet. To be able to push "SPAM SPAM" I need a version of "SPAM SPAM" which is not a child of "bathroom stuff". You can use the 'grab' command for that. .. note:: `grab` is an alias for `hg rebase --dest . --rev <target>; hg up <result>` $ hg up 'p1(d1928babc208)' # going on "bathroom stuff" parent 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg pick 1c877d31b53f # moving "SPAM SPAM" to the working directory parent picking 9:1c877d31b53f "SPAM SPAM" merging shopping $ hg log -G @ 501b33037995 (draft): SPAM SPAM | | o d1928babc208 (draft): bathroom stuff |/ o d300c8f961ce (draft): adding fruit | o 723e5a43d6d9 (draft): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=pentagon, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=pentagon, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 8 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=8, pin=true, pos="1,8!", shape=pentagon, style=filled, width=1]; 6 -> 8 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=pentagon, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; } #endif We have a new version of "SPAM SPAM" without the bathroom stuff $ grep Spam shopping # enough spam Spam Spam Spam Spam Spam Spam Spam Spam Spam $ grep Toothbrush shopping # no Toothbrush [1] $ hg export . # HG changeset patch # User test # Date 0 0 # Thu Jan 01 00:00:00 1970 +0000 # Node ID 501b330379955b6bf194dc99504a477b1f2d3f89 # Parent d300c8f961ceefede93601dbe478c701e2ff5995 SPAM SPAM diff --git a/shopping b/shopping --- a/shopping +++ b/shopping @@ -1,4 +1,4 @@ -Spam Spam Spam +Spam Spam Spam Spam Spam Spam Spam Spam Spam Whizzo butter Albatross Rat (rather a lot) To make sure I do not push unfinished changeset by mistake I move the "bathroom stuff" changeset to the secret phase. $ hg phase --force --secret d1928babc208 we can now push our change: $ hg push remote pushing to $TESTTMP/remote (glob) searching for changes adding changesets adding manifests adding file changes added 3 changesets with 3 changes to 1 files 5 new obsolescence markers for simplicity's sake we get the bathroom change in line again $ hg pick d1928babc208 picking 8:d1928babc208 "bathroom stuff" merging shopping $ hg phase --draft . $ hg log -G @ 39b19dc3d1e4 (draft): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=circle, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=circle, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=circle, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; 11 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=11, pin=true, pos="1,11!", shape=pentagon, style=filled, width=1]; 10 -> 11 [arrowhead=none, penwidth=2.0]; } #endif Splitting change ------------------ This part is not written yet, but you can use either the `histedit` extension or the `uncommit` command to split a change. #if hg69 $ hg help uncommit hg uncommit [OPTION]... [FILE]... move changes from parent revision to working directory Changes to selected files in the checked out revision appear again as uncommitted changed in the working directory. A new revision without the selected changes is created, becomes the checked out revision, and obsoletes the previous one. The --include option specifies patterns to uncommit. The --exclude option specifies patterns to keep in the commit. The --rev argument let you change the commit file to a content of another revision. It still does not change the content of your file in the working directory. Return 0 if changed files are uncommitted. options ([+] can be repeated): -a --all uncommit all changes when no arguments given -r --rev REV revert commit content to REV instead --revert discard working directory changes after uncommit -n --note TEXT store a note on uncommit -I --include PATTERN [+] include names matching the given patterns -X --exclude PATTERN [+] exclude names matching the given patterns -m --message TEXT use text as commit message -l --logfile FILE read commit message from file -d --date DATE record the specified date as commit date -u --user USER record the specified user as committer -D --current-date record the current date as commit date -U --current-user record the current user as committer (some details hidden, use --verbose to show complete help) #endif The edit command of histedit can be used to split changeset: Collapsing change ------------------ The tutorial part is not written yet but can use `hg fold`: #if hg69 $ hg help fold hg fold [OPTION]... [-r] REV... aliases: squash fold multiple revisions into a single one With --from, folds all the revisions linearly between the given revisions and the parent of the working directory. With --exact, folds only the specified revisions while ignoring the parent of the working directory. In this case, the given revisions must form a linear unbroken chain. options ([+] can be repeated): -r --rev REV [+] revision to fold --exact only fold specified revisions --from fold revisions linearly to working copy parent -n --note TEXT store a note on fold -m --message TEXT use text as commit message -l --logfile FILE read commit message from file -d --date DATE record the specified date as commit date -u --user USER record the specified user as committer -D --current-date record the current date as commit date -U --current-user record the current user as committer (some details hidden, use --verbose to show complete help) #endif ----------------------- Collaboration ----------------------- Sharing mutable changesets ---------------------------- To share mutable changesets with others, just check that the repo you interact with is "not publishing". Otherwise you will get the previously observe behavior where exchanged changeset are automatically published. $ cd ../remote $ hg -R ../local/ showconfig phases [1] The local repo does not have any specific configuration for `phases.publish`. It is ``true`` by default. $ hg pull local pulling from $TESTTMP/local (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files 1 new obsolescence markers new changesets 39b19dc3d1e4 (run 'hg update' to get a working copy) $ hg log -G o 39b19dc3d1e4 (public): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | @ 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list We do not want to publish the "bathroom changeset". Let's rollback the last transaction. .. warning:: `rollback` is actually a dangerous kind of internal command that is deprecated and should not be exposed to user. Please forget you read about it until someone fix this tutorial. $ hg rollback repository tip rolled back to revision 4 (undo pull) $ hg log -G o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | @ 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list Let's make the local repo "non publishing". $ echo '[phases]' >> ../local/.hg/hgrc $ echo 'publish=false' >> ../local/.hg/hgrc $ echo '[phases]' >> .hg/hgrc $ echo 'publish=false' >> .hg/hgrc $ hg showconfig phases phases.publish=false $ hg -R ../local/ showconfig phases phases.publish=false I can now exchange mutable changeset between "remote" and "local" repository. $ hg pull local pulling from $TESTTMP/local (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files 1 new obsolescence markers new changesets 39b19dc3d1e4 (1 drafts) (run 'hg update' to get a working copy) $ hg log -G o 39b19dc3d1e4 (draft): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | @ 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list Rebasing unstable change after pull ---------------------------------------------- Remotely someone add a new changeset on top of the mutable "bathroom" on. $ hg up 39b19dc3d1e4 -q $ cat >> shopping << EOF > Giraffe > Rhino > Lion > Bear > EOF $ hg ci -m 'animals' But at the same time, locally, this same "bathroom changeset" was updated. $ cd ../local $ hg up 39b19dc3d1e4 -q $ sed -i'' -e 's/... More bathroom stuff to come/Bath Robe/' shopping $ hg commit --amend $ hg log -G @ 5486682f4225 (draft): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=circle, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=circle, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=circle, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; 12 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=12, pin=true, pos="1,12!", shape=pentagon, style=filled, width=1]; 10 -> 12 [arrowhead=none, penwidth=2.0]; } #endif When we pull from remote again we get an unstable state! $ hg pull remote pulling from $TESTTMP/remote (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files 1 new orphan changesets new changesets 0609f95eccab (1 drafts) (run 'hg update' to get a working copy) The new changeset "animal" is based on an old changeset of "bathroom". You can see both version showing up in the log. $ hg log -G * 0609f95eccab (draft): animals | | @ 5486682f4225 (draft): bathroom stuff | | x | 39b19dc3d1e4 (draft): bathroom stuff |/ o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=circle, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=circle, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=circle, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; 11 [fillcolor="#DFDFFF", fixedsize=true, group=default_alt, height=1, label=11, pin=true, pos="2,11!", shape=pentagon, style="dotted, filled", width=1]; 10 -> 11 [arrowhead=none, penwidth=2.0]; 12 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=12, pin=true, pos="1,12!", shape=pentagon, style=filled, width=1]; 10 -> 12 [arrowhead=none, penwidth=2.0]; 11 -> 12 [arrowtail=none, dir=back, minlen=0, penwidth=2.0, style=dashed]; 13 [fillcolor="#FF4F4F", fixedsize=true, group=default_alt, height=1, label=13, pin=true, pos="2,13!", shape=pentagon, style=filled, width=1]; 11 -> 13 [arrowhead=none, penwidth=2.0]; } #endif The older version 39b19dc3d1e4 never ceased to exist in the local repo. It was just hidden and excluded from pull and push. .. note:: In hgview there is a nice dotted relation highlighting 5486682f4225 as a new version of 39b19dc3d1e4. This is not yet ported to ``hg log -G``. There is now an **unstable** changeset in this history. Mercurial will refuse to share it with the outside: $ hg push other pushing to $TESTTMP/other (glob) searching for changes abort: push includes orphan changeset: 0609f95eccab! (use 'hg evolve' to get a stable history or --force to ignore warnings) [255] To resolve this unstable state, you need to rebase 0609f95eccab onto 5486682f4225. The `hg evolve` command will do this for you. It has a --dry-run option to only suggest the next move. $ hg evolve --dry-run move:[13] animals atop:[12] bathroom stuff hg rebase -r 0609f95eccab -d 5486682f4225 Let's do it $ hg evolve move:[13] animals atop:[12] bathroom stuff merging shopping The old version of bathroom is hidden again. $ hg log -G o 3266db1117c9 (draft): animals | @ 5486682f4225 (draft): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list And let's update to the newly evolved changeset. $ hg update 1 files updated, 0 files merged, 0 files removed, 0 files unresolved #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=circle, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=circle, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=circle, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; 12 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=12, pin=true, pos="1,12!", shape=pentagon, style=filled, width=1]; 10 -> 12 [arrowhead=none, penwidth=2.0]; 14 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=14, pin=true, pos="1,14!", shape=pentagon, style=filled, width=1]; 12 -> 14 [arrowhead=none, penwidth=2.0]; } #endif We can push this evolution to remote. $ hg push remote pushing to $TESTTMP/remote (glob) searching for changes adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 1 files (+1 heads) 2 new obsolescence markers obsoleted 2 changesets Remote get a warning that current working directory is based on an obsolete changeset. $ cd ../remote $ hg pull local # we up again to trigger the warning. it was displayed during the push pulling from $TESTTMP/local (glob) searching for changes no changes found Now let's see where we are, and update to the successor. $ hg parents 0609f95eccab (draft): animals working directory parent is obsolete! (0609f95eccab) (use 'hg evolve' to update to its successor: 3266db1117c9) $ hg evolve update:[8] animals 1 files updated, 0 files merged, 0 files removed, 0 files unresolved working directory is now at 3266db1117c9 Relocating unstable change after prune ---------------------------------------------- The remote guy keeps working. $ sed -i'' -e 's/Spam/Spam Spam Spam Spam/g' shopping $ hg commit -m "SPAM SPAM SPAM" I'm pulling its work locally. $ cd ../local $ hg pull remote pulling from $TESTTMP/remote (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files new changesets fff8c3d068b6 (1 drafts) (run 'hg update' to get a working copy) $ hg log -G o fff8c3d068b6 (draft): SPAM SPAM SPAM | @ 3266db1117c9 (draft): animals | o 5486682f4225 (draft): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=circle, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=circle, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=circle, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; 12 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=12, pin=true, pos="1,12!", shape=pentagon, style=filled, width=1]; 10 -> 12 [arrowhead=none, penwidth=2.0]; 14 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=14, pin=true, pos="1,14!", shape=pentagon, style=filled, width=1]; 12 -> 14 [arrowhead=none, penwidth=2.0]; 15 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=15, pin=true, pos="1,15!", shape=pentagon, style=filled, width=1]; 14 -> 15 [arrowhead=none, penwidth=2.0]; } #endif In the mean time I noticed you can't buy animals in a super market and I prune the animal changeset: $ hg prune 3266db1117c9 1 files updated, 0 files merged, 0 files removed, 0 files unresolved working directory is now at 5486682f4225 1 changesets pruned 1 new orphan changesets The animals changeset is still displayed because the "SPAM SPAM SPAM" changeset is neither dead or obsolete. My repository is in an unstable state again. $ hg log -G * fff8c3d068b6 (draft): SPAM SPAM SPAM | x 3266db1117c9 (draft): animals | @ 5486682f4225 (draft): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=circle, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=circle, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=circle, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; 12 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=12, pin=true, pos="1,12!", shape=pentagon, style=filled, width=1]; 10 -> 12 [arrowhead=none, penwidth=2.0]; 14 [fillcolor="#DFDFFF", fixedsize=true, group=default_alt, height=1, label=14, pin=true, pos="2,14!", shape=pentagon, style="dotted, filled", width=1]; 12 -> 14 [arrowhead=none, penwidth=2.0]; 15 [fillcolor="#FF4F4F", fixedsize=true, group=default_alt, height=1, label=15, pin=true, pos="2,15!", shape=pentagon, style=filled, width=1]; 14 -> 15 [arrowhead=none, penwidth=2.0]; } #endif $ hg log -r "orphan()" fff8c3d068b6 (draft): SPAM SPAM SPAM #if docgraph-ext $ hg docgraph -r "orphan()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 15 [fillcolor="#FF4F4F", fixedsize=true, group=default_alt, height=1, label=15, pin=true, pos="1,15!", shape=pentagon, style=filled, width=1]; } #endif The --update flag of `hg evolve` automatically updates to the tipmost evolved changeset. $ hg evolve --update move:[15] SPAM SPAM SPAM atop:[12] bathroom stuff merging shopping working directory is now at c33e56ec23a8 $ hg log -G @ c33e56ec23a8 (draft): SPAM SPAM SPAM | o 5486682f4225 (draft): bathroom stuff | o 501b33037995 (public): SPAM SPAM | o d300c8f961ce (public): adding fruit | o 723e5a43d6d9 (public): adding condiment | o 9ca060c80d74 (public): SPAM | o 7e82d3f3c2cb (public): Monthy Python Shopping list #if docgraph-ext $ hg docgraph -r "all()" --sphinx-directive --rankdir LR #rest-ignore .. graphviz:: strict digraph "Mercurial graph" { graph [rankdir=LR, splines=polyline ]; node [label="\N"]; 0 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=0, pin=true, pos="1,0!", shape=circle, style=filled, width=1]; 4 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=4, pin=true, pos="1,4!", shape=circle, style=filled, width=1]; 0 -> 4 [arrowhead=none, penwidth=2.0]; 5 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=5, pin=true, pos="1,5!", shape=circle, style=filled, width=1]; 4 -> 5 [arrowhead=none, penwidth=2.0]; 6 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=6, pin=true, pos="1,6!", shape=circle, style=filled, width=1]; 5 -> 6 [arrowhead=none, penwidth=2.0]; 10 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=10, pin=true, pos="1,10!", shape=circle, style=filled, width=1]; 6 -> 10 [arrowhead=none, penwidth=2.0]; 12 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=12, pin=true, pos="1,12!", shape=pentagon, style=filled, width=1]; 10 -> 12 [arrowhead=none, penwidth=2.0]; 16 [fillcolor="#7F7FFF", fixedsize=true, group=default, height=1, label=16, pin=true, pos="1,16!", shape=pentagon, style=filled, width=1]; 12 -> 16 [arrowhead=none, penwidth=2.0]; } #endif Handling Divergent amend ---------------------------------------------- We can detect that multiple diverging amendments have been made. The `evolve` command can solve this situation. But all corner case are not handled now. This section needs to be written.