typing: attempt to remove @overloads in the platform module for stdlib methods
This is mostly successful, as examining util.pyi, posix.pyi, and windows.pyi
after a pytype run shows that the type overloads for `oslink`, `readlink`,
`removedirs`, `rename`, `split`, and `unlink` have been removed. (Some of these
still have an @overload, but the differences are the variable names, not the
types.) However, @overloads remain for `abspath` and `normpath` for some
reason.
It's useful to redefine these methods for the type checking phase because in
addition to excluding str and PathLike variants, some of these functions have
optional args in stdlib that aren't implemented in the custom implementation on
Windows, and we want the type checking to flag that instead of assuming it's an
allowable overload everywhere.
One last quirk I noticed that I can't explain- `pycompat.TYPE_CHECKING` is
always False, so the conditionals need to check `typing.TYPE_CHECKING` directly.
I tried dropping the custom code for assigning `pycompat.TYPE_CHECKING` and
simply did `from typing import TYPE_CHECKING` directly in pycompat.py, and used
`pycompat.TYPE_CHECKING` for the conditional here... and pytype complained that
`pycompat` doesn't have the `TYPE_CHECKING` variable.
Testing diff --change, --from, --to
$ hg init a
$ cd a
$ echo "first" > file.txt
$ hg add file.txt
$ hg commit -m 'first commit' # 0
$ echo "second" > file.txt
$ hg commit -m 'second commit' # 1
$ echo "third" > file.txt
$ hg commit -m 'third commit' # 2
$ hg diff --nodates --change 1
diff -r 4bb65dda5db4 -r e9b286083166 file.txt
--- a/file.txt
+++ b/file.txt
@@ -1,1 +1,1 @@
-first
+second
$ hg diff --change e9b286083166
diff -r 4bb65dda5db4 -r e9b286083166 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-first
+second
Test --from and --to
$ hg diff --from . --rev .
abort: cannot specify both --from and --rev
[10]
$ hg diff --to . --rev .
abort: cannot specify both --to and --rev
[10]
$ hg diff --from . --change .
abort: cannot specify both --from and --change
[10]
$ hg diff --to . --change .
abort: cannot specify both --to and --change
[10]
$ echo dirty > file.txt
$ hg diff --from .
diff -r bf5ff72eb7e0 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-third
+dirty
$ hg diff --from . --reverse
diff -r bf5ff72eb7e0 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-dirty
+third
$ hg diff --to .
diff -r bf5ff72eb7e0 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-dirty
+third
$ hg diff --from 0 --to 2
diff -r 4bb65dda5db4 -r bf5ff72eb7e0 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-first
+third
$ hg diff --from 2 --to 0
diff -r bf5ff72eb7e0 -r 4bb65dda5db4 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,1 @@
-third
+first
$ hg co -C .
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd ..
Test dumb revspecs: top-level "x:y", "x:", ":y" and ":" ranges should be handled
as pairs even if x == y, but not for "f(x:y)" nor "x::y" (issue3474, issue4774)
$ hg clone -q a dumbspec
$ cd dumbspec
$ echo "wdir" > file.txt
$ hg diff -r 2:2
$ hg diff -r 2:.
$ hg diff -r 2:
$ hg diff -r :0
$ hg diff -r '2:first(2:2)'
$ hg diff -r 'first(2:2)' --nodates
diff -r bf5ff72eb7e0 file.txt
--- a/file.txt
+++ b/file.txt
@@ -1,1 +1,1 @@
-third
+wdir
$ hg diff -r '(2:2)' --nodates
diff -r bf5ff72eb7e0 file.txt
--- a/file.txt
+++ b/file.txt
@@ -1,1 +1,1 @@
-third
+wdir
$ hg diff -r 2::2 --nodates
diff -r bf5ff72eb7e0 file.txt
--- a/file.txt
+++ b/file.txt
@@ -1,1 +1,1 @@
-third
+wdir
$ hg diff -r "2 and 1"
abort: empty revision range
[10]
$ cd ..
$ hg clone -qr0 a dumbspec-rev0
$ cd dumbspec-rev0
$ echo "wdir" > file.txt
$ hg diff -r :
$ hg diff -r 'first(:)' --nodates
diff -r 4bb65dda5db4 file.txt
--- a/file.txt
+++ b/file.txt
@@ -1,1 +1,1 @@
-first
+wdir
$ cd ..
Testing diff --change when merge:
$ cd a
$ for i in 1 2 3 4 5 6 7 8 9 10; do
> echo $i >> file.txt
> done
$ hg commit -m "lots of text" # 3
$ sed -e 's,^2$,x,' file.txt > file.txt.tmp
$ mv file.txt.tmp file.txt
$ hg commit -m "change 2 to x" # 4
$ hg up -r 3
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ sed -e 's,^8$,y,' file.txt > file.txt.tmp
$ mv file.txt.tmp file.txt
$ hg commit -m "change 8 to y"
created new head
$ hg up -C -r 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg merge -r 5
merging file.txt
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -m "merge 8 to y" # 6
$ hg diff --change 5
diff -r ae119d680c82 -r 9085c5c02e52 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -6,6 +6,6 @@
5
6
7
-8
+y
9
10
must be similar to 'hg diff --change 5':
$ hg diff -c 6
diff -r 273b50f17c6d -r 979ca961fd2e file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -6,6 +6,6 @@
5
6
7
-8
+y
9
10
merge diff should show only manual edits to a merge:
$ hg diff --config diff.merge=yes -c 6
(no diff output is expected here)
Construct an "evil merge" that does something other than just the merge.
$ hg co ".^"
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg merge -r 5
merging file.txt
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ echo 11 >> file.txt
$ hg ci -m 'merge 8 to y with manual edit of 11' # 7
created new head
$ hg diff -c 7
diff -r 273b50f17c6d -r 8ad85e839ba7 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -6,6 +6,7 @@
5
6
7
-8
+y
9
10
+11
Contrast with the `hg diff -c 7` version above: only the manual edit shows
up, making it easy to identify changes someone is otherwise trying to sneak
into a merge.
$ hg diff --config diff.merge=yes -c 7
diff -r 8ad85e839ba7 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -9,3 +9,4 @@
y
9
10
+11
Set up a conflict.
$ hg co ".^"
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ sed -e 's,^8$,z,' file.txt > file.txt.tmp
$ mv file.txt.tmp file.txt
$ hg ci -m 'conflicting edit: 8 to z'
created new head
$ echo "this file is new in p1 of the merge" > new-file-p1.txt
$ hg ci -Am 'new file' new-file-p1.txt
$ hg log -r . --template 'p1 will be rev {rev}\n'
p1 will be rev 9
$ hg co 5
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "this file is new in p2 of the merge" > new-file-p2.txt
$ hg ci -Am 'new file' new-file-p2.txt
created new head
$ hg log -r . --template 'p2 will be rev {rev}\n'
p2 will be rev 10
$ hg co -- 9
2 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg merge -r 10
merging file.txt
warning: conflicts while merging file.txt! (edit, then use 'hg resolve --mark')
1 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges or 'hg merge --abort' to abandon
[1]
$ hg revert file.txt -r .
$ hg resolve -ma
(no more unresolved files)
$ hg commit -m 'merge conflicted edit'
Without diff.merge, it's a diff against p1
$ hg diff --config diff.merge=no -c 11
diff -r fd1f17c90d7c -r 5010caab09f6 new-file-p2.txt
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/new-file-p2.txt Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+this file is new in p2 of the merge
With diff.merge, it's a diff against the conflicted content.
$ hg diff --config diff.merge=yes -c 11
diff -r 5010caab09f6 file.txt
--- a/file.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/file.txt Thu Jan 01 00:00:00 1970 +0000
@@ -6,12 +6,6 @@
5
6
7
-<<<<<<< local: fd1f17c90d7c - test: new file
z
-||||||| base: ae119d680c82 - test: lots of text
-8
-=======
-y
->>>>>>> other: d9e7de69eac3 - test: new file
9
10
There must _NOT_ be a .hg/merge directory leftover.
$ test ! -d .hg/merge
(No output is expected)
$ cd ..