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help: add topic about evolution, based on text from evolve extension...
help: add topic about evolution, based on text from evolve extension I've taken the text produced by `hg help evolution` when the evolve extension is enabled and made that available by the same command with just hg core. Changes I've made: * Added "(EXPERIMENTAL)" to the title. (That doesn't hide the topic from `hg help`, though.) * Replaced old-style `experimental.evolution=<names>` config by new-style `experimental.evolution.<name>=true`. * Replaces a "obsolete markers" by "obsolescence markers". * Removed most content from "Current feature status". When the evolve extension is enabled, its help text takes precedence. Differential Revision: https://phab.mercurial-scm.org/D10516
Martin von Zweigbergk - - Load All Authors

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test-unamend.t
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Test for command `hg unamend` which lives in uncommit extension
===============================================================
$ cat >> $HGRCPATH << EOF
> [alias]
> glog = log -G -T '{rev}:{node|short} {desc}'
> [experimental]
> evolution = createmarkers, allowunstable
> [extensions]
> rebase =
> amend =
> uncommit =
> EOF
Repo Setup
$ hg init repo
$ cd repo
$ for ch in a b c d e f g h; do touch $ch; echo "foo" >> $ch; hg ci -Aqm "Added "$ch; done
$ hg glog
@ 7:ec2426147f0e Added h
|
o 6:87d6d6676308 Added g
|
o 5:825660c69f0c Added f
|
o 4:aa98ab95a928 Added e
|
o 3:62615734edd5 Added d
|
o 2:28ad74487de9 Added c
|
o 1:29becc82797a Added b
|
o 0:18d04c59bb5d Added a
Trying to unamend when there was no amend done
$ hg unamend
abort: changeset must have one predecessor, found 0 predecessors
[10]
Unamend on clean wdir and tip
$ echo "bar" >> h
$ hg amend
$ hg exp
# HG changeset patch
# User test
# Date 0 0
# Thu Jan 01 00:00:00 1970 +0000
# Node ID c9fa1a715c1b7661c0fafb362a9f30bd75878d7d
# Parent 87d6d66763085b629e6d7ed56778c79827273022
Added h
diff -r 87d6d6676308 -r c9fa1a715c1b h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/h Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,2 @@
+foo
+bar
$ hg glog --hidden
@ 8:c9fa1a715c1b Added h
|
| x 7:ec2426147f0e Added h
|/
o 6:87d6d6676308 Added g
|
o 5:825660c69f0c Added f
|
o 4:aa98ab95a928 Added e
|
o 3:62615734edd5 Added d
|
o 2:28ad74487de9 Added c
|
o 1:29becc82797a Added b
|
o 0:18d04c59bb5d Added a
$ hg unamend
$ hg glog --hidden
@ 9:46d02d47eec6 Added h
|
| x 8:c9fa1a715c1b Added h
|/
| x 7:ec2426147f0e Added h
|/
o 6:87d6d6676308 Added g
|
o 5:825660c69f0c Added f
|
o 4:aa98ab95a928 Added e
|
o 3:62615734edd5 Added d
|
o 2:28ad74487de9 Added c
|
o 1:29becc82797a Added b
|
o 0:18d04c59bb5d Added a
$ hg diff
diff -r 46d02d47eec6 h
--- a/h Thu Jan 01 00:00:00 1970 +0000
+++ b/h Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,2 @@
foo
+bar
$ hg exp
# HG changeset patch
# User test
# Date 0 0
# Thu Jan 01 00:00:00 1970 +0000
# Node ID 46d02d47eec6ca096b8dcab3f8f5579c40c3dd9a
# Parent 87d6d66763085b629e6d7ed56778c79827273022
Added h
diff -r 87d6d6676308 -r 46d02d47eec6 h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/h Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+foo
$ hg status
M h
$ hg log -r . -T '{extras % "{extra}\n"}' --config alias.log=log
branch=default
unamend_source=c9fa1a715c1b7661c0fafb362a9f30bd75878d7d
Using unamend to undo an unamed (intentional)
$ hg unamend
$ hg exp
# HG changeset patch
# User test
# Date 0 0
# Thu Jan 01 00:00:00 1970 +0000
# Node ID 850ddfc1bc662997ec6094ada958f01f0cc8070a
# Parent 87d6d66763085b629e6d7ed56778c79827273022
Added h
diff -r 87d6d6676308 -r 850ddfc1bc66 h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/h Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,2 @@
+foo
+bar
$ hg diff
Unamend on a dirty working directory
$ echo "bar" >> a
$ hg amend
$ echo "foobar" >> a
$ echo "bar" >> b
$ hg status
M a
M b
$ hg unamend
$ hg status
M a
M b
$ hg diff
diff -r ec338db45d51 a
--- a/a Thu Jan 01 00:00:00 1970 +0000
+++ b/a Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,3 @@
foo
+bar
+foobar
diff -r ec338db45d51 b
--- a/b Thu Jan 01 00:00:00 1970 +0000
+++ b/b Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,2 @@
foo
+bar
Unamending an added file
$ hg ci -m "Added things to a and b"
$ echo foo > bar
$ hg add bar
$ hg amend
$ hg unamend
$ hg status
A bar
$ hg revert --all
forgetting bar
Unamending a removed file
$ hg remove a
$ hg amend
$ hg unamend
$ hg status
R a
? bar
$ hg revert --all
undeleting a
Unamending an added file with dirty wdir status
$ hg add bar
$ hg amend
$ echo bar >> bar
$ hg status
M bar
$ hg unamend
$ hg status
A bar
$ hg diff
diff -r 7f79409af972 bar
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bar Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,2 @@
+foo
+bar
$ hg revert --all
forgetting bar
$ rm bar
Unamending in middle of a stack
$ hg glog
@ 19:7f79409af972 Added things to a and b
|
o 12:ec338db45d51 Added h
|
o 6:87d6d6676308 Added g
|
o 5:825660c69f0c Added f
|
o 4:aa98ab95a928 Added e
|
o 3:62615734edd5 Added d
|
o 2:28ad74487de9 Added c
|
o 1:29becc82797a Added b
|
o 0:18d04c59bb5d Added a
$ hg up 5
2 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ echo bar >> f
$ hg amend
3 new orphan changesets
$ hg rebase -s 6 -d . -q
$ hg glog
o 23:03ddd6fc5af1 Added things to a and b
|
o 22:3e7b64ee157b Added h
|
o 21:49635b68477e Added g
|
@ 20:93f0e8ffab32 Added f
|
o 4:aa98ab95a928 Added e
|
o 3:62615734edd5 Added d
|
o 2:28ad74487de9 Added c
|
o 1:29becc82797a Added b
|
o 0:18d04c59bb5d Added a
$ hg --config experimental.evolution=createmarkers unamend
abort: cannot unamend changeset with children
[10]
$ hg unamend
3 new orphan changesets
Trying to unamend a public changeset
$ hg up -C 23
5 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg phase -r . -p
1 new phase-divergent changesets
$ hg unamend
abort: cannot unamend public changesets
(see 'hg help phases' for details)
[10]
Testing whether unamend retains copies or not
$ hg status
$ hg mv a foo
$ hg ci -m "Moved a to foo"
$ hg exp --git
# HG changeset patch
# User test
# Date 0 0
# Thu Jan 01 00:00:00 1970 +0000
# Node ID cfef290346fbee5126313d7e1aab51d877679b09
# Parent 03ddd6fc5af19e028c44a2fd6d790dd22712f231
Moved a to foo
diff --git a/a b/foo
rename from a
rename to foo
$ hg mv b foobar
$ hg diff --git
diff --git a/b b/foobar
rename from b
rename to foobar
$ hg amend
$ hg exp --git
# HG changeset patch
# User test
# Date 0 0
# Thu Jan 01 00:00:00 1970 +0000
# Node ID eca050985275bb271ce3092b54e56ea5c85d29a3
# Parent 03ddd6fc5af19e028c44a2fd6d790dd22712f231
Moved a to foo
diff --git a/a b/foo
rename from a
rename to foo
diff --git a/b b/foobar
rename from b
rename to foobar
$ hg mv c wat
$ hg unamend
$ hg verify -v
repository uses revlog format 1
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
checked 28 changesets with 16 changes to 11 files
Retained copies in new prdecessor commit
$ hg exp --git
# HG changeset patch
# User test
# Date 0 0
# Thu Jan 01 00:00:00 1970 +0000
# Node ID 552e3af4f01f620f88ca27be1f898316235b736a
# Parent 03ddd6fc5af19e028c44a2fd6d790dd22712f231
Moved a to foo
diff --git a/a b/foo
rename from a
rename to foo
Retained copies in working directoy
$ hg diff --git
diff --git a/b b/foobar
rename from b
rename to foobar
diff --git a/c b/wat
rename from c
rename to wat
$ hg revert -qa
$ rm foobar wat
Rename a->b, then amend b->c. After unamend, should look like b->c.
$ hg co -q 0
$ hg mv a b
$ hg ci -qm 'move to a b'
$ hg mv b c
$ hg amend
$ hg unamend
$ hg st --copies --change .
A b
a
R a
$ hg st --copies
A c
b
R b
$ hg revert -qa
$ rm c
Rename a->b, then amend b->c, and working copy change c->d. After unamend, should look like b->d
$ hg co -q 0
$ hg mv a b
$ hg ci -qm 'move to a b'
warning: commit already existed in the repository!
$ hg mv b c
$ hg amend
warning: commit already existed in the repository!
$ hg mv c d
$ hg unamend
$ hg st --copies --change .
A b
a
R a
$ hg st --copies
A d
b
R b