tests: consistently use printenv.py the same MSYS/Windows-compatible way

This will remove some reasons some tests are disabled on Windows.

tests/printenv.py

@@ -3,7 +3,7 b''
 # put something like this in the repo .hg/hgrc:
 #
 #     [hooks]
-#     changegroup = python "$TESTDIR"/printenv.py <hookname> [exit] [output]
+#     changegroup = python "$TESTDIR/printenv.py" <hookname> [exit] [output]
 #
 #   - <hookname> is a mandatory argument (e.g. "changegroup")
 #   - [exit] is the exit code of the hook (default: 0)

tests/test-bundle.t

@@ -206,7 +206,7 b" Make sure bundlerepo doesn't leak tempfi"
 Pull ../full.hg into empty (with hook)
 
   $ echo "[hooks]" >> .hg/hgrc
-  $ echo "changegroup = python \"$TESTDIR\"/printenv.py changegroup" >> .hg/hgrc
+  $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup" >> .hg/hgrc
 
 doesn't work (yet ?)
 

tests/test-http.t

@@ -93,7 +93,7 b' pull'
 
   $ cd copy-pull
   $ echo '[hooks]' >> .hg/hgrc
-  $ echo 'changegroup = python "$TESTDIR"/printenv.py changegroup' >> .hg/hgrc
+  $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup" >> .hg/hgrc
   $ hg pull
   pulling from http://localhost:$HGPORT1/
   searching for changes

tests/test-https.t

@@ -137,7 +137,7 b' pull without cacert'
 
   $ cd copy-pull
   $ echo '[hooks]' >> .hg/hgrc
-  $ echo "changegroup = python '$TESTDIR'/printenv.py changegroup" >> .hg/hgrc
+  $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup" >> .hg/hgrc
   $ hg pull
   warning: localhost certificate with fingerprint 91:4f:1a:ff:87:24:9c:09:b6:85:9b:88:b1:90:6d:30:75:64:91:ca not verified (check hostfingerprints or web.cacerts config setting)
   pulling from https://localhost:$HGPORT/

tests/test-push-http.t

@@ -55,7 +55,7 b' expect success'
 
   $ echo 'allow_push = *' >> .hg/hgrc
   $ echo '[hooks]' >> .hg/hgrc
-  $ echo 'changegroup = python "$TESTDIR"/printenv.py changegroup 0' >> .hg/hgrc
+  $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup 0" >> .hg/hgrc
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes

tests/test-ssh.t

@@ -14,7 +14,7 b" creating 'remote' repo"
   > uncompressed = True
   > 
   > [hooks]
-  > changegroup = python "$TESTDIR"/printenv.py changegroup-in-remote 0 ../dummylog
+  > changegroup = python "$TESTDIR/printenv.py" changegroup-in-remote 0 ../dummylog
   > EOF
   $ cd ..
 
@@ -70,7 +70,7 b' verify'
   checking files
   2 files, 1 changesets, 2 total revisions
   $ echo '[hooks]' >> .hg/hgrc
-  $ echo 'changegroup = python "$TESTDIR"/printenv.py changegroup-in-local 0 ../dummylog' >> .hg/hgrc
+  $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup-in-local 0 ../dummylog" >> .hg/hgrc
 
 empty default pull
 

tests/test-static-http.t

@@ -66,7 +66,7 b' check for HTTP opener failures when cach'
   $ rm .hg/cache/*
   $ cd ../local
   $ echo '[hooks]' >> .hg/hgrc
-  $ echo 'changegroup = python "$TESTDIR"/printenv.py changegroup' >> .hg/hgrc
+  $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup" >> .hg/hgrc
   $ hg pull
   pulling from static-http://localhost:$HGPORT/remote
   searching for changes