context: add a no-op _prestatus method
This patch adds a private _prestatus method so that certain contexts, such as
workingctx, can add custom pre-processing to status.
$ cat >> $HGRCPATH <<EOF
> [extensions]
> convert=
> [convert]
> hg.saverev=False
> EOF
$ hg init orig
$ cd orig
$ echo foo > foo
$ echo bar > bar
$ hg ci -qAm 'add foo and bar'
$ hg rm foo
$ hg ci -m 'remove foo'
$ mkdir foo
$ echo file > foo/file
$ hg ci -qAm 'add foo/file'
$ hg tag some-tag
$ hg log
changeset: 3:593cbf6fb2b4
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: Added tag some-tag for changeset ad681a868e44
changeset: 2:ad681a868e44
tag: some-tag
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add foo/file
changeset: 1:cbba8ecc03b7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: remove foo
changeset: 0:327daa9251fa
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add foo and bar
$ cd ..
$ hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
initializing destination new repository
scanning source...
sorting...
converting...
3 add foo and bar
2 remove foo
1 add foo/file
0 Added tag some-tag for changeset ad681a868e44
$ cd new
$ hg out ../orig
comparing with ../orig
searching for changes
no changes found
[1]
dirstate should be empty:
$ hg debugstate
$ hg parents -q
$ hg up -C
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg copy bar baz
put something in the dirstate:
$ hg debugstate > debugstate
$ grep baz debugstate
a 0 -1 unset baz
copy: bar -> baz
add a new revision in the original repo
$ cd ../orig
$ echo baz > baz
$ hg ci -qAm 'add baz'
$ cd ..
$ hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
scanning source...
sorting...
converting...
0 add baz
$ cd new
$ hg out ../orig
comparing with ../orig
searching for changes
no changes found
[1]
dirstate should be the same (no output below):
$ hg debugstate > new-debugstate
$ diff debugstate new-debugstate
no copies
$ hg up -C
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg debugrename baz
baz not renamed
$ cd ..
test tag rewriting
$ cat > filemap <<EOF
> exclude foo
> EOF
$ hg convert --filemap filemap orig new-filemap 2>&1 | grep -v 'subversion python bindings could not be loaded'
initializing destination new-filemap repository
scanning source...
sorting...
converting...
4 add foo and bar
3 remove foo
2 add foo/file
1 Added tag some-tag for changeset ad681a868e44
0 add baz
$ cd new-filemap
$ hg tags
tip 2:3c74706b1ff8
some-tag 0:ba8636729451
$ cd ..
Test cases for hg-hg roundtrip
Helper
$ glog()
> {
> hg log -G --template '{rev} {node|short} "{desc}" files: {files}\n' $*
> }
Create a tricky source repo
$ hg init source
$ cd source
$ echo 0 > 0
$ hg ci -Aqm '0: add 0'
$ echo a > a
$ mkdir dir
$ echo b > dir/b
$ hg ci -qAm '1: add a and dir/b'
$ echo c > dir/c
$ hg ci -qAm '2: add dir/c'
$ hg copy a e
$ echo b >> b
$ hg ci -qAm '3: copy a to e, change b'
$ hg up -qr -3
$ echo a >> a
$ hg ci -qAm '4: change a'
$ hg merge
merging a and e to e
2 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg copy b dir/d
$ hg ci -qAm '5: merge 2 and 3, copy b to dir/d'
$ echo a >> a
$ hg ci -qAm '6: change a'
$ hg mani
0
a
b
dir/b
dir/c
dir/d
e
$ glog
@ 6 0613c8e59a3d "6: change a" files: a
|
o 5 717e9b37cdb7 "5: merge 2 and 3, copy b to dir/d" files: dir/d e
|\
| o 4 86a55cb968d5 "4: change a" files: a
| |
o | 3 0e6e235919dd "3: copy a to e, change b" files: b e
| |
o | 2 0394b0d5e4f7 "2: add dir/c" files: dir/c
|/
o 1 333546584845 "1: add a and dir/b" files: a dir/b
|
o 0 d1a24e2ebd23 "0: add 0" files: 0
$ cd ..
Convert excluding rev 0 and dir/ (and thus rev2):
$ cat << EOF > filemap
> exclude dir
> EOF
$ hg convert --filemap filemap source dest --config convert.hg.revs=1::
initializing destination dest repository
scanning source...
sorting...
converting...
5 1: add a and dir/b
4 2: add dir/c
3 3: copy a to e, change b
2 4: change a
1 5: merge 2 and 3, copy b to dir/d
0 6: change a
Verify that conversion skipped rev 2:
$ glog -R dest
o 4 78814e84a217 "6: change a" files: a
|
o 3 f7cff662c5e5 "5: merge 2 and 3, copy b to dir/d" files: e
|\
| o 2 ab40a95b0072 "4: change a" files: a
| |
o | 1 bd51f17597bf "3: copy a to e, change b" files: b e
|/
o 0 a4a1dae0fe35 "1: add a and dir/b" files: 0 a
Verify mapping correct in both directions:
$ cat source/.hg/shamap
a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5 333546584845f70c4cfecb992341aaef0e708166
bd51f17597bf32268e68a560b206898c3960cda2 0e6e235919dd8e9285ba8eb5adf703af9ad99378
ab40a95b00725307e79c2fd271000aa8af9759f4 86a55cb968d51770cba2a1630d6cc637b574580a
f7cff662c5e581e6f3f1a85ffdd2bcb35825f6ba 717e9b37cdb7eb9917ca8e30aa3f986e6d5b177d
78814e84a217894517c2de392b903ed05e6871a4 0613c8e59a3ddb9789072ef52f1ed13496489bb4
$ cat dest/.hg/shamap
333546584845f70c4cfecb992341aaef0e708166 a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5
0394b0d5e4f761ced559fd0bbdc6afc16cb3f7d1 a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5
0e6e235919dd8e9285ba8eb5adf703af9ad99378 bd51f17597bf32268e68a560b206898c3960cda2
86a55cb968d51770cba2a1630d6cc637b574580a ab40a95b00725307e79c2fd271000aa8af9759f4
717e9b37cdb7eb9917ca8e30aa3f986e6d5b177d f7cff662c5e581e6f3f1a85ffdd2bcb35825f6ba
0613c8e59a3ddb9789072ef52f1ed13496489bb4 78814e84a217894517c2de392b903ed05e6871a4
Verify meta data converted correctly:
$ hg -R dest log -r 1 --debug -p --git
changeset: 1:bd51f17597bf32268e68a560b206898c3960cda2
phase: draft
parent: 0:a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5
parent: -1:0000000000000000000000000000000000000000
manifest: 1:040c72ed9b101773c24ac314776bfc846943781f
user: test
date: Thu Jan 01 00:00:00 1970 +0000
files+: b e
extra: branch=default
description:
3: copy a to e, change b
diff --git a/b b/b
new file mode 100644
--- /dev/null
+++ b/b
@@ -0,0 +1,1 @@
+b
diff --git a/a b/e
copy from a
copy to e
Verify files included and excluded correctly:
$ hg -R dest manifest -r tip
0
a
b
e
Make changes in dest and convert back:
$ hg -R dest up -q
$ echo dest > dest/dest
$ hg -R dest ci -Aqm 'change in dest'
$ hg -R dest tip
changeset: 5:a2e0e3cc6d1d
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: change in dest
(converting merges back after using a filemap will probably cause chaos so we
exclude merges.)
$ hg convert dest source --config convert.hg.revs='!merge()'
scanning source...
sorting...
converting...
0 change in dest
Verify the conversion back:
$ hg -R source log --debug -r tip
changeset: 7:e6d364a69ff1248b2099e603b0c145504cade6f0
tag: tip
phase: draft
parent: 6:0613c8e59a3ddb9789072ef52f1ed13496489bb4
parent: -1:0000000000000000000000000000000000000000
manifest: 7:aa3e9542f3b76d4f1f1b2e9c7ce9dbb48b6a95ec
user: test
date: Thu Jan 01 00:00:00 1970 +0000
files+: dest
extra: branch=default
description:
change in dest
Files that had been excluded are still present:
$ hg -R source manifest -r tip
0
a
b
dest
dir/b
dir/c
dir/d
e
More source changes
$ cd source
$ echo 1 >> a
$ hg ci -m '8: source first branch'
created new head
$ hg up -qr -2
$ echo 2 >> a
$ hg ci -m '9: source second branch'
$ hg merge -q --tool internal:local
$ hg ci -m '10: source merge'
$ echo >> a
$ hg ci -m '11: source change'
$ hg mani
0
a
b
dest
dir/b
dir/c
dir/d
e
$ glog -r 6:
@ 11 0c8927d1f7f4 "11: source change" files: a
|
o 10 9ccb7ee8d261 "10: source merge" files: a
|\
| o 9 f131b1518dba "9: source second branch" files: a
| |
o | 8 669cf0e74b50 "8: source first branch" files: a
| |
| o 7 e6d364a69ff1 "change in dest" files: dest
|/
o 6 0613c8e59a3d "6: change a" files: a
|
$ cd ..
$ hg convert --filemap filemap source dest --config convert.hg.revs=3:
scanning source...
sorting...
converting...
3 8: source first branch
2 9: source second branch
1 10: source merge
0 11: source change
$ glog -R dest
o 9 8432d597b263 "11: source change" files: a
|
o 8 632ffacdcd6f "10: source merge" files: a
|\
| o 7 049cfee90ee6 "9: source second branch" files: a
| |
o | 6 9b6845e036e5 "8: source first branch" files: a
| |
| @ 5 a2e0e3cc6d1d "change in dest" files: dest
|/
o 4 78814e84a217 "6: change a" files: a
|
o 3 f7cff662c5e5 "5: merge 2 and 3, copy b to dir/d" files: e
|\
| o 2 ab40a95b0072 "4: change a" files: a
| |
o | 1 bd51f17597bf "3: copy a to e, change b" files: b e
|/
o 0 a4a1dae0fe35 "1: add a and dir/b" files: 0 a
$ cd ..