osutil: write a C implementation of statfiles for unix
This makes a big difference to performance.
In a clean working directory containing 170,000 files, performance of
"hg --time diff" improves from 2.38 seconds to 1.69.
$ add()
> {
> echo $2 >> $1
> }
$ hg init t
$ cd t
set up a boring main branch
$ add a a
$ hg add a
$ mkdir x
$ add x/x x
$ hg add x/x
$ hg ci -m0
$ add a m1
$ hg ci -m1
$ add a m2
$ add x/y y1
$ hg add x/y
$ hg ci -m2
$ cd ..
$ show()
> {
> echo "- $2: $1"
> hg st -C $1
> echo
> hg diff --git $1
> echo
> }
$ count=0
make a new branch and get diff/status output
$1 - first commit
$2 - second commit
$3 - working dir action
$4 - test description
$ tb()
> {
> hg clone t t2 ; cd t2
> hg co -q -C 0
>
> add a $count
> count=`expr $count + 1`
> hg ci -m "t0"
> $1
> hg ci -m "t1"
> $2
> hg ci -m "t2"
> $3
>
> echo "** $4 **"
> echo "** $1 / $2 / $3"
> show "" "working to parent"
> show "--rev 0" "working to root"
> show "--rev 2" "working to branch"
> show "--rev 0 --rev ." "root to parent"
> show "--rev . --rev 0" "parent to root"
> show "--rev 2 --rev ." "branch to parent"
> show "--rev . --rev 2" "parent to branch"
> echo
> cd ..
> rm -rf t2
> }
$ tb "add a a1" "add a a2" "hg mv a b" "rename in working dir"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
** rename in working dir **
** add a a1 / add a a2 / hg mv a b
- working to parent:
A b
a
R a
diff --git a/a b/b
rename from a
rename to b
- working to root: --rev 0
A b
a
R a
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,1 +1,4 @@
a
+0
+a1
+a2
- working to branch: --rev 2
A b
a
R a
R x/y
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,3 +1,4 @@
a
-m1
-m2
+0
+a1
+a2
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- root to parent: --rev 0 --rev .
M a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,4 @@
a
+0
+a1
+a2
- parent to root: --rev . --rev 0
M a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,4 +1,1 @@
a
-0
-a1
-a2
- branch to parent: --rev 2 --rev .
M a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,4 @@
a
-m1
-m2
+0
+a1
+a2
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- parent to branch: --rev . --rev 2
M a
A x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,4 +1,3 @@
a
-0
-a1
-a2
+m1
+m2
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
$ tb "add a a1" "add a a2" "hg cp a b" "copy in working dir"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
** copy in working dir **
** add a a1 / add a a2 / hg cp a b
- working to parent:
A b
a
diff --git a/a b/b
copy from a
copy to b
- working to root: --rev 0
M a
A b
a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,4 @@
a
+1
+a1
+a2
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,1 +1,4 @@
a
+1
+a1
+a2
- working to branch: --rev 2
M a
A b
a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,4 @@
a
-m1
-m2
+1
+a1
+a2
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,3 +1,4 @@
a
-m1
-m2
+1
+a1
+a2
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- root to parent: --rev 0 --rev .
M a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,4 @@
a
+1
+a1
+a2
- parent to root: --rev . --rev 0
M a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,4 +1,1 @@
a
-1
-a1
-a2
- branch to parent: --rev 2 --rev .
M a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,4 @@
a
-m1
-m2
+1
+a1
+a2
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- parent to branch: --rev . --rev 2
M a
A x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,4 +1,3 @@
a
-1
-a1
-a2
+m1
+m2
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
$ tb "hg mv a b" "add b b1" "add b w" "single rename"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
** single rename **
** hg mv a b / add b b1 / add b w
- working to parent:
M b
diff --git a/b b/b
--- a/b
+++ b/b
@@ -1,3 +1,4 @@
a
2
b1
+w
- working to root: --rev 0
A b
a
R a
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,1 +1,4 @@
a
+2
+b1
+w
- working to branch: --rev 2
A b
a
R a
R x/y
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,3 +1,4 @@
a
-m1
-m2
+2
+b1
+w
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- root to parent: --rev 0 --rev .
A b
a
R a
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,1 +1,3 @@
a
+2
+b1
- parent to root: --rev . --rev 0
A a
b
R b
diff --git a/b b/a
rename from b
rename to a
--- a/b
+++ b/a
@@ -1,3 +1,1 @@
a
-2
-b1
- branch to parent: --rev 2 --rev .
A b
a
R a
R x/y
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,3 +1,3 @@
a
-m1
-m2
+2
+b1
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- parent to branch: --rev . --rev 2
A a
b
A x/y
R b
diff --git a/b b/a
rename from b
rename to a
--- a/b
+++ b/a
@@ -1,3 +1,3 @@
a
-2
-b1
+m1
+m2
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
$ tb "hg cp a b" "add b b1" "add a w" "single copy"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
** single copy **
** hg cp a b / add b b1 / add a w
- working to parent:
M a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,3 @@
a
3
+w
- working to root: --rev 0
M a
A b
a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,3 @@
a
+3
+w
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,1 +1,3 @@
a
+3
+b1
- working to branch: --rev 2
M a
A b
a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,3 @@
a
-m1
-m2
+3
+w
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,3 +1,3 @@
a
-m1
-m2
+3
+b1
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- root to parent: --rev 0 --rev .
M a
A b
a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,2 @@
a
+3
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,1 +1,3 @@
a
+3
+b1
- parent to root: --rev . --rev 0
M a
b
R b
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,1 @@
a
-3
diff --git a/b b/b
deleted file mode 100644
--- a/b
+++ /dev/null
@@ -1,3 +0,0 @@
-a
-3
-b1
- branch to parent: --rev 2 --rev .
M a
A b
a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,2 @@
a
-m1
-m2
+3
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,3 +1,3 @@
a
-m1
-m2
+3
+b1
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- parent to branch: --rev . --rev 2
M a
b
A x/y
R b
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,3 @@
a
-3
+m1
+m2
diff --git a/b b/b
deleted file mode 100644
--- a/b
+++ /dev/null
@@ -1,3 +0,0 @@
-a
-3
-b1
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
$ tb "hg mv a b" "hg mv b c" "hg mv c d" "rename chain"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
** rename chain **
** hg mv a b / hg mv b c / hg mv c d
- working to parent:
A d
c
R c
diff --git a/c b/d
rename from c
rename to d
- working to root: --rev 0
A d
a
R a
diff --git a/a b/d
rename from a
rename to d
--- a/a
+++ b/d
@@ -1,1 +1,2 @@
a
+4
- working to branch: --rev 2
A d
a
R a
R x/y
diff --git a/a b/d
rename from a
rename to d
--- a/a
+++ b/d
@@ -1,3 +1,2 @@
a
-m1
-m2
+4
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- root to parent: --rev 0 --rev .
A c
a
R a
diff --git a/a b/c
rename from a
rename to c
--- a/a
+++ b/c
@@ -1,1 +1,2 @@
a
+4
- parent to root: --rev . --rev 0
A a
c
R c
diff --git a/c b/a
rename from c
rename to a
--- a/c
+++ b/a
@@ -1,2 +1,1 @@
a
-4
- branch to parent: --rev 2 --rev .
A c
a
R a
R x/y
diff --git a/a b/c
rename from a
rename to c
--- a/a
+++ b/c
@@ -1,3 +1,2 @@
a
-m1
-m2
+4
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- parent to branch: --rev . --rev 2
A a
c
A x/y
R c
diff --git a/c b/a
rename from c
rename to a
--- a/c
+++ b/a
@@ -1,2 +1,3 @@
a
-4
+m1
+m2
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
$ tb "hg cp a b" "hg cp b c" "hg cp c d" "copy chain"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
** copy chain **
** hg cp a b / hg cp b c / hg cp c d
- working to parent:
A d
c
diff --git a/c b/d
copy from c
copy to d
- working to root: --rev 0
M a
A b
a
A c
a
A d
a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,2 @@
a
+5
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,1 +1,2 @@
a
+5
diff --git a/a b/c
copy from a
copy to c
--- a/a
+++ b/c
@@ -1,1 +1,2 @@
a
+5
diff --git a/a b/d
copy from a
copy to d
--- a/a
+++ b/d
@@ -1,1 +1,2 @@
a
+5
- working to branch: --rev 2
M a
A b
a
A c
a
A d
a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,2 @@
a
-m1
-m2
+5
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,3 +1,2 @@
a
-m1
-m2
+5
diff --git a/a b/c
copy from a
copy to c
--- a/a
+++ b/c
@@ -1,3 +1,2 @@
a
-m1
-m2
+5
diff --git a/a b/d
copy from a
copy to d
--- a/a
+++ b/d
@@ -1,3 +1,2 @@
a
-m1
-m2
+5
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- root to parent: --rev 0 --rev .
M a
A b
a
A c
a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,2 @@
a
+5
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,1 +1,2 @@
a
+5
diff --git a/a b/c
copy from a
copy to c
--- a/a
+++ b/c
@@ -1,1 +1,2 @@
a
+5
- parent to root: --rev . --rev 0
M a
b
R b
R c
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,1 @@
a
-5
diff --git a/b b/b
deleted file mode 100644
--- a/b
+++ /dev/null
@@ -1,2 +0,0 @@
-a
-5
diff --git a/c b/c
deleted file mode 100644
--- a/c
+++ /dev/null
@@ -1,2 +0,0 @@
-a
-5
- branch to parent: --rev 2 --rev .
M a
A b
a
A c
a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,2 @@
a
-m1
-m2
+5
diff --git a/a b/b
copy from a
copy to b
--- a/a
+++ b/b
@@ -1,3 +1,2 @@
a
-m1
-m2
+5
diff --git a/a b/c
copy from a
copy to c
--- a/a
+++ b/c
@@ -1,3 +1,2 @@
a
-m1
-m2
+5
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- parent to branch: --rev . --rev 2
M a
b
A x/y
R b
R c
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,3 @@
a
-5
+m1
+m2
diff --git a/b b/b
deleted file mode 100644
--- a/b
+++ /dev/null
@@ -1,2 +0,0 @@
-a
-5
diff --git a/c b/c
deleted file mode 100644
--- a/c
+++ /dev/null
@@ -1,2 +0,0 @@
-a
-5
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
$ tb "add a a1" "hg mv a b" "hg mv b a" "circular rename"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
** circular rename **
** add a a1 / hg mv a b / hg mv b a
- working to parent:
A a
b
R b
diff --git a/b b/a
rename from b
rename to a
- working to root: --rev 0
M a
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,3 @@
a
+6
+a1
- working to branch: --rev 2
M a
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,3 @@
a
-m1
-m2
+6
+a1
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- root to parent: --rev 0 --rev .
A b
a
R a
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,1 +1,3 @@
a
+6
+a1
- parent to root: --rev . --rev 0
A a
b
R b
diff --git a/b b/a
rename from b
rename to a
--- a/b
+++ b/a
@@ -1,3 +1,1 @@
a
-6
-a1
- branch to parent: --rev 2 --rev .
A b
a
R a
R x/y
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,3 +1,3 @@
a
-m1
-m2
+6
+a1
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
- parent to branch: --rev . --rev 2
A a
b
A x/y
R b
diff --git a/b b/a
rename from b
rename to a
--- a/b
+++ b/a
@@ -1,3 +1,3 @@
a
-6
-a1
+m1
+m2
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
$ tb "hg mv x y" "add y/x x1" "add y/x x2" "directory move"
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
moving x/x to y/x (glob)
** directory move **
** hg mv x y / add y/x x1 / add y/x x2
- working to parent:
M y/x
diff --git a/y/x b/y/x
--- a/y/x
+++ b/y/x
@@ -1,2 +1,3 @@
x
x1
+x2
- working to root: --rev 0
M a
A y/x
x/x
R x/x
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,2 @@
a
+7
diff --git a/x/x b/y/x
rename from x/x
rename to y/x
--- a/x/x
+++ b/y/x
@@ -1,1 +1,3 @@
x
+x1
+x2
- working to branch: --rev 2
M a
A y/x
x/x
R x/x
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,2 @@
a
-m1
-m2
+7
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
diff --git a/x/x b/y/x
rename from x/x
rename to y/x
--- a/x/x
+++ b/y/x
@@ -1,1 +1,3 @@
x
+x1
+x2
- root to parent: --rev 0 --rev .
M a
A y/x
x/x
R x/x
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,2 @@
a
+7
diff --git a/x/x b/y/x
rename from x/x
rename to y/x
--- a/x/x
+++ b/y/x
@@ -1,1 +1,2 @@
x
+x1
- parent to root: --rev . --rev 0
M a
A x/x
y/x
R y/x
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,1 @@
a
-7
diff --git a/y/x b/x/x
rename from y/x
rename to x/x
--- a/y/x
+++ b/x/x
@@ -1,2 +1,1 @@
x
-x1
- branch to parent: --rev 2 --rev .
M a
A y/x
x/x
R x/x
R x/y
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,3 +1,2 @@
a
-m1
-m2
+7
diff --git a/x/y b/x/y
deleted file mode 100644
--- a/x/y
+++ /dev/null
@@ -1,1 +0,0 @@
-y1
diff --git a/x/x b/y/x
rename from x/x
rename to y/x
--- a/x/x
+++ b/y/x
@@ -1,1 +1,2 @@
x
+x1
- parent to branch: --rev . --rev 2
M a
A x/x
y/x
A x/y
R y/x
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,3 @@
a
-7
+m1
+m2
diff --git a/y/x b/x/x
rename from y/x
rename to x/x
--- a/y/x
+++ b/x/x
@@ -1,2 +1,1 @@
x
-x1
diff --git a/x/y b/x/y
new file mode 100644
--- /dev/null
+++ b/x/y
@@ -0,0 +1,1 @@
+y1
Cannot implement unrelated branch with tb
testing copies with unrelated branch
$ hg init unrelated
$ cd unrelated
$ add a a
$ hg ci -Am adda
adding a
$ hg mv a b
$ hg ci -m movea
$ hg up -C null
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ add a a
$ hg ci -Am addunrelateda
adding a
created new head
unrelated branch diff
$ hg diff --git -r 2 -r 1
diff --git a/a b/a
deleted file mode 100644
--- a/a
+++ /dev/null
@@ -1,1 +0,0 @@
-a
diff --git a/b b/b
new file mode 100644
--- /dev/null
+++ b/b
@@ -0,0 +1,1 @@
+a
$ cd ..