pure: provide more correct implementation of posixfile for Windows
requires ctypes
Why is posixfile a class?
Because the implementation needs to use the Python library call os.fdopen [1],
which sets the 'name' attribute on the Python file object it creates to the
mostly meaningless string '<fdopen>', since file descriptors don't have a name.
But users of posixfile depend on the name attribute [2] being set to a proper
value, like Python's built-in 'open' function sets it on file objects.
Python file's name attribute is read-only, so we can't just assign to it after
the file object has alrady been created.
To solve this problem, we save the name of the file on a wrapper object,
and delegate the file function calls to the wrapped (private) file object
using __getattr__.
[1] http://docs.python.org/library/os.html#os.fdopen
[2] http://docs.python.org/library/stdtypes.html#file.name
$ echo "[extensions]" >> $HGRCPATH
$ echo "convert=" >> $HGRCPATH
$ echo 'graphlog =' >> $HGRCPATH
$ glog()
> {
> hg glog --template '{rev} "{desc|firstline}" files: {files}\n' "$@"
> }
$ hg init repo1
$ cd repo1
$ echo a > a
$ hg ci -Am adda
adding a
$ echo b > b
$ echo a >> a
$ hg ci -Am addb
adding b
$ PARENTID1=`hg id --debug -i`
$ echo c > c
$ hg ci -Am addc
adding c
$ PARENTID2=`hg id --debug -i`
$ cd ..
$ hg init repo2
$ cd repo2
$ echo b > a
$ echo d > d
$ hg ci -Am addaandd
adding a
adding d
$ CHILDID1=`hg id --debug -i`
$ echo d >> d
$ hg ci -Am changed
$ CHILDID2=`hg id --debug -i`
$ echo e > e
$ hg ci -Am adde
adding e
$ cd ..
test invalid splicemap
$ cat > splicemap <<EOF
> $CHILDID2
> EOF
$ hg convert --splicemap splicemap repo2 repo1
abort: syntax error in splicemap(1): key/value pair expected
[255]
splice repo2 on repo1
$ cat > splicemap <<EOF
> $CHILDID1 $PARENTID1
> $CHILDID2 $PARENTID2,$CHILDID1
> EOF
$ hg clone repo1 target1
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg convert --splicemap splicemap repo2 target1
scanning source...
sorting...
converting...
2 addaandd
spliced in ['6d4c2037ddc2cb2627ac3a244ecce35283268f8e'] as parents of 527cdedf31fbd5ea708aa14eeecf53d4676f38db
1 changed
spliced in ['e55c719b85b60e5102fac26110ba626e7cb6b7dc', '527cdedf31fbd5ea708aa14eeecf53d4676f38db'] as parents of e4ea00df91897da3079a10fab658c1eddba6617b
0 adde
$ glog -R target1
o 5 "adde" files: e
|
o 4 "changed" files: d
|\
| o 3 "addaandd" files: a d
| |
@ | 2 "addc" files: c
|/
o 1 "addb" files: a b
|
o 0 "adda" files: a