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convert: update source shamap when using filemap, just as when not using filemap...
convert: update source shamap when using filemap, just as when not using filemap The reverse mapping was introduced in 2147a734dcf9 to make roundtrip conversions possible ... but it did not work when using filemap. Roundtrips with filemaps will of course only work flawlessly if inverse mappings are used. Especially, if a lossy convert mapping is used in one direction, then only linear lines of development can be converted in the other direction. With this constraint convert will do the right thing by assuming that excluded files haven't been changed.) A test case with general coverage of hg-hg roundtrips with filemap is added. (There a cases where adding records of converted revisions to the shamap in the source repository doesn't work - especially when converting the same repo to several other repos and back. It would arguably be better if convert only updated the shamaps in the target repo but read shamaps from both the source and and target repo ... but that is a different story. Making the stuff we have work consistently is step forward no matter what.)

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test-convert-hg-sink.t
392 lines | 9.1 KiB | text/troff | Tads3Lexer
/ tests / test-convert-hg-sink.t
$ 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 2:6f4fd1df87fb
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 ..