pick: don't create any successors when there were no changes (issue6093)
For example, when a changeset that user is trying to pick was already grafted
or rebased (and no obsmarkers were created), pick will naturally say that
there's no changes to commit and will not create the new commit. In that case
it should not mark any changeset as a successor of the picked changeset,
because the actual file changes were already there before picking.
Technically, pick could (and did before this patch) mark the wdir commit as a
successor of picked changeset (may be useful in the most trivial cases when
e.g. wdir is a graft of the required change), but there are cases when the
picked change is introduced in an ancestor of wdir, or even in multiple
ancestors piece by piece. Pick definitely shouldn't be trying to guess
something this complicated, so with this patch it always marks the picked
change as pruned if it gave no changes to commit.
This test file test the various messages when accessing obsolete
revisions.
Global setup
============
$ . $TESTDIR/testlib/obshistory_setup.sh
Test output with folded commit
==============================
Test setup
----------
$ hg init $TESTTMP/local-fold
$ hg init $TESTTMP/server
$ cd $TESTTMP/local-fold
$ mkcommit ROOT
$ mkcommit A0
$ sync
$ mkcommit B0
$ hg log --hidden -G
@ changeset: 2:0dec01379d3b
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: B0
|
o changeset: 1:471f378eab4c
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: A0
|
o changeset: 0:ea207398892e
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: ROOT
$ hg fold --exact -r 'desc(A0) + desc(B0)' --date "0 0" -m "C0"
2 changesets folded
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg log --hidden -G
@ changeset: 3:eb5a0daa2192
| tag: tip
| parent: 0:ea207398892e
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: C0
|
| x changeset: 2:0dec01379d3b
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | obsolete: rewritten using fold as 3:eb5a0daa2192
| | summary: B0
| |
| x changeset: 1:471f378eab4c
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| obsolete: rewritten using fold as 3:eb5a0daa2192
| summary: A0
|
o changeset: 0:ea207398892e
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: ROOT
$ sync
Check output of the client
--------------------------
Check that debugobshistory on the first folded revision show only
the revision with the target
$ hg obslog --hidden 471f378eab4c --patch
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0
Check that with all option, all changesets are shown
$ hg obslog --hidden --all 471f378eab4c --patch
@ eb5a0daa2192 (3) C0
|\
x | 0dec01379d3b (2) B0
/ rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
| (No patch available, changesets rebased)
|
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0
Check that debugobshistory on the second folded revision show only
the revision with the target
$ hg obslog --hidden 0dec01379d3b --patch
x 0dec01379d3b (2) B0
rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
(No patch available, changesets rebased)
Check that with all option, all changesets are shown
$ hg obslog --hidden --all 0dec01379d3b --patch
@ eb5a0daa2192 (3) C0
|\
x | 0dec01379d3b (2) B0
/ rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
| (No patch available, changesets rebased)
|
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0
Check that debugobshistory on the successor revision show a coherent
graph
$ hg obslog eb5a0daa2192 --patch
@ eb5a0daa2192 (3) C0
|\
x | 0dec01379d3b (2) B0
/ rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
| (No patch available, changesets rebased)
|
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0
$ hg obslog eb5a0daa2192 --no-graph -Tjson | python -m json.tool
[
{
"markers": [],
"node": "eb5a0daa2192",
"rev": 3,
"shortdescription": "C0"
},
{
"markers": [
{
"date": [
*, (glob)
0 (glob)
],
"effect": [
"description",
"content"
],
"operation": "fold",
"succnodes": [
"eb5a0daa2192"
],
"user": "test",
"verb": "rewritten"
}
],
"node": "471f378eab4c",
"rev": 1,
"shortdescription": "A0"
},
{
"markers": [
{
"date": [
*, (glob)
0 (glob)
],
"effect": [
"description",
"parent",
"content"
],
"operation": "fold",
"succnodes": [
"eb5a0daa2192"
],
"user": "test",
"verb": "rewritten"
}
],
"node": "0dec01379d3b",
"rev": 2,
"shortdescription": "B0"
}
]
$ hg update 471f378eab4c
abort: hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192!
(use --hidden to access hidden revisions)
[255]
$ hg update --hidden 'desc(A0)'
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
updated to hidden changeset 471f378eab4c
(hidden revision '471f378eab4c' was rewritten as: eb5a0daa2192)
working directory parent is obsolete! (471f378eab4c)
(use 'hg evolve' to update to its successor: eb5a0daa2192)
$ hg update 0dec01379d3b
abort: hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192!
(use --hidden to access hidden revisions)
[255]
$ hg update --hidden 'desc(B0)'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
updated to hidden changeset 0dec01379d3b
(hidden revision '0dec01379d3b' was rewritten as: eb5a0daa2192)
working directory parent is obsolete! (0dec01379d3b)
(use 'hg evolve' to update to its successor: eb5a0daa2192)
Check output of the server
--------------------------
$ hg obslog -R $TESTTMP/server --patch tip --all
o eb5a0daa2192 (2) C0
|\
x | 0dec01379d3b
/ rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
| (No patch available, context is not local)
|
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0
$ hg obslog -R $TESTTMP/server -f --all --patch tip
o eb5a0daa2192 (2) C0
|
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (at Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0
$ hg obslog -R $TESTTMP/server --all --patch 471f378eab4c --hidden
o eb5a0daa2192 (2) C0
|\
x | 0dec01379d3b
/ rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
| (No patch available, context is not local)
|
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0
$ hg obslog -R $TESTTMP/server -f --all --patch 471f378eab4c --hidden
o eb5a0daa2192 (2) C0
|
x 471f378eab4c (1) A0
rewritten(description, content) as eb5a0daa2192 using fold by test (at Thu Jan 01 00:00:00 1970 +0000)
diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
--- a/changeset-description
+++ b/changeset-description
@@ -1,1 +1,1 @@
-A0
+C0
diff -r 471f378eab4c -r eb5a0daa2192 B0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/B0 Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+B0