test-static-http.t: enable on Windows

We cannot read $! to get the background job process identifier, with
MinGW it can return internal identifiers not matching the native Windows
ones. Instead we introduce a helper script polling on the pid file. We
assume the pid file data will be written in order.

tests/test-static-http.t

@@ -1,174 +1,191 b''
-  $ "$TESTDIR/hghave" serve || exit 80
+  $ "$TESTDIR/hghave" killdaemons || exit 80
 
 #if windows
   $ hg clone http://localhost:$HGPORT/ copy
   abort: * (glob)
   [255]
 #else
   $ hg clone http://localhost:$HGPORT/ copy
   abort: error: Connection refused
   [255]
 #endif
   $ test -d copy
   [1]
 
 This server doesn't do range requests so it's basically only good for
 one pull
 
   $ cat > dumb.py <<EOF
   > import BaseHTTPServer, SimpleHTTPServer, os, signal, sys
   > 
   > def run(server_class=BaseHTTPServer.HTTPServer,
   >         handler_class=SimpleHTTPServer.SimpleHTTPRequestHandler):
   >     server_address = ('localhost', int(os.environ['HGPORT']))
   >     httpd = server_class(server_address, handler_class)
   >     httpd.serve_forever()
   > 
   > signal.signal(signal.SIGTERM, lambda x, y: sys.exit(0))
+  > fp = file('dumb.pid', 'wb')
+  > fp.write(str(os.getpid()) + '\n')
+  > fp.close()
   > run()
   > EOF
   $ python dumb.py 2>/dev/null &
-  $ echo $! >> $DAEMON_PIDS
+
+Cannot just read $!, it will not be set to the right value on Windows/MinGW
+
+  $ cat > wait.py <<EOF
+  > import time
+  > while True:
+  >     try:
+  >         if '\n' in file('dumb.pid', 'rb').read():
+  >             break
+  >     except IOError:
+  >         pass
+  >     time.sleep(0.2)
+  > EOF
+  $ python wait.py
+  $ cat dumb.pid >> $DAEMON_PIDS
   $ hg init remote
   $ cd remote
   $ echo foo > bar
   $ echo c2 > '.dotfile with spaces'
   $ hg add
   adding .dotfile with spaces
   adding bar
   $ hg commit -m"test"
   $ hg tip
   changeset:   0:02770d679fb8
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     test
   
   $ cd ..
   $ hg clone static-http://localhost:$HGPORT/remote local
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 2 changes to 2 files
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd local
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 1 changesets, 2 total revisions
   $ cat bar
   foo
   $ cd ../remote
   $ echo baz > quux
   $ hg commit -A -mtest2
   adding quux
 
 check for HTTP opener failures when cachefile does not exist
 
   $ rm .hg/cache/*
   $ cd ../local
   $ echo '[hooks]' >> .hg/hgrc
   $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup" >> .hg/hgrc
   $ hg pull
   pulling from static-http://localhost:$HGPORT/remote
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   changegroup hook: HG_NODE=4ac2e3648604439c580c69b09ec9d93a88d93432 HG_SOURCE=pull HG_URL=http://localhost:$HGPORT/remote
   (run 'hg update' to get a working copy)
 
 trying to push
 
   $ hg update
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo more foo >> bar
   $ hg commit -m"test"
   $ hg push
   pushing to static-http://localhost:$HGPORT/remote
   abort: destination does not support push
   [255]
 
 trying clone -r
 
   $ cd ..
   $ hg clone -r doesnotexist static-http://localhost:$HGPORT/remote local0
   abort: unknown revision 'doesnotexist'!
   [255]
   $ hg clone -r 0 static-http://localhost:$HGPORT/remote local0
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 2 changes to 2 files
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 test with "/" URI (issue 747) and subrepo
 
   $ hg init
   $ hg init sub
   $ touch sub/test
   $ hg -R sub commit -A -m "test"
   adding test
   $ hg -R sub tag not-empty
   $ echo sub=sub > .hgsub
   $ echo a > a
   $ hg add a .hgsub
   $ hg -q ci -ma
   $ hg clone static-http://localhost:$HGPORT/ local2
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 3 changes to 3 files
   updating to branch default
   cloning subrepo sub from static-http://localhost:$HGPORT/sub
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 2 changes to 2 files
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd local2
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   3 files, 1 changesets, 3 total revisions
   $ cat a
   a
   $ hg paths
   default = static-http://localhost:$HGPORT/
 
 test with empty repo (issue965)
 
   $ cd ..
   $ hg init remotempty
   $ hg clone static-http://localhost:$HGPORT/remotempty local3
   no changes found
   updating to branch default
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd local3
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   0 files, 0 changesets, 0 total revisions
   $ hg paths
   default = static-http://localhost:$HGPORT/remotempty
 
 test with non-repo
 
   $ cd ..
   $ mkdir notarepo
   $ hg clone static-http://localhost:$HGPORT/notarepo local3
   abort: 'http://localhost:$HGPORT/notarepo' does not appear to be an hg repository!
   [255]
-  $ kill $!
+  $ "$TESTDIR/killdaemons.py" $DAEMON_PIDS