test-http: use printenv.py

tests/test-http

@@ -1,5 +1,7 b''
 #!/bin/sh
 
+cp "$TESTDIR"/printenv.py .
+
 hg init test
 cd test
 echo foo>foo
@@ -31,6 +33,6 b' cd ..'
 echo % pull
 cd copy-pull
 echo '[hooks]' >> .hg/hgrc
-echo 'changegroup = echo changegroup: u=$HG_URL' >> .hg/hgrc
+echo 'changegroup = python ../printenv.py changegroup' >> .hg/hgrc
 hg pull
 cd ..

tests/test-http.out

@@ -31,7 +31,7 b' checking files'
 1 files, 1 changesets, 1 total revisions
 adding bar
 % pull
-changegroup: u=http://localhost:20059/
+changegroup hook: HG_NODE=cfbd11a1fa315300a080c3de8fe36b0fc5820acf HG_SOURCE=pull HG_URL=http://localhost:20059/ 
 pulling from http://localhost:20059/
 searching for changes
 adding changesets