tests: fix test-notify.t to use $PYTHON

In doing so, I consolidated the filtering logic. This resulted in some
small test output changes, but I think the consistency throughout the
test is worth it.

Differential Revision: https://phab.mercurial-scm.org/D279

tests/test-notify.t

@@ -1,3 +1,8 b''
+  $ cat > $TESTTMP/filter.py <<EOF
+  > from __future__ import print_function
+  > import sys, re
+  > print(re.sub("\n[ \t]", " ", sys.stdin.read()), end="")
+  > EOF
 
   $ cat <<EOF >> $HGRCPATH
   > [extensions]
@@ -175,8 +180,7 b' the python call below wraps continuation'
 of the very long subject line
 pull (minimal config)
 
-  $ hg --traceback --cwd b pull ../a | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n[\t ]", " ", sys.stdin.read()),'
+  $ hg --traceback --cwd b pull ../a | $PYTHON $TESTTMP/filter.py
   pulling from ../a
   searching for changes
   adding changesets
@@ -205,6 +209,7 b' pull (minimal config)'
   @@ -1,1 +1,2 @@ a
   +a
   (run 'hg update' to get a working copy)
+
   $ cat <<EOF >> $HGRCPATH
   > [notify]
   > config = `pwd`/.notify.conf
@@ -228,8 +233,7 b' pull'
 
   $ hg --cwd b rollback
   repository tip rolled back to revision 0 (undo pull)
-  $ hg --traceback --cwd b pull ../a  | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --traceback --cwd b pull ../a  | $PYTHON $TESTTMP/filter.py
   pulling from ../a
   searching for changes
   adding changesets
@@ -254,8 +258,7 b' pull'
   diff -r cb9a9f314b8b -r 0647d048b600 a
   --- a/a	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:01 1970 +0000
-  @@ -1,1 +1,2 @@
-   a
+  @@ -1,1 +1,2 @@ a
   +a
   (run 'hg update' to get a working copy)
 
@@ -272,8 +275,7 b' pull'
 
   $ hg --cwd b rollback
   repository tip rolled back to revision 0 (undo pull)
-  $ hg --traceback --cwd b pull ../a | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --traceback --cwd b pull ../a | $PYTHON $TESTTMP/filter.py
   pulling from ../a
   searching for changes
   adding changesets
@@ -294,17 +296,14 b' pull'
   changeset 0647d048b600 in b
   description: b
   diffstat:
-  
-   a |  1 +
-   1 files changed, 1 insertions(+), 0 deletions(-)
+   a |  1 + 1 files changed, 1 insertions(+), 0 deletions(-)
   
   diffs (6 lines):
   
   diff -r cb9a9f314b8b -r 0647d048b600 a
   --- a/a	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:01 1970 +0000
-  @@ -1,1 +1,2 @@
-   a
+  @@ -1,1 +1,2 @@ a
   +a
   (run 'hg update' to get a working copy)
 
@@ -321,8 +320,7 b' test merge'
   (branch merge, don't forget to commit)
   $ hg ci -m merge -d '3 0'
   $ cd ..
-  $ hg --traceback --cwd b pull ../a | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --traceback --cwd b pull ../a | $PYTHON $TESTTMP/filter.py
   pulling from ../a
   searching for changes
   adding changesets
@@ -343,17 +341,14 b' test merge'
   changeset 0a184ce6067f in b
   description: adda2
   diffstat:
-  
-   a |  1 +
-   1 files changed, 1 insertions(+), 0 deletions(-)
+   a |  1 + 1 files changed, 1 insertions(+), 0 deletions(-)
   
   diffs (6 lines):
   
   diff -r cb9a9f314b8b -r 0a184ce6067f a
   --- a/a	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:02 1970 +0000
-  @@ -1,1 +1,2 @@
-   a
+  @@ -1,1 +1,2 @@ a
   +a
   Content-Type: text/plain; charset="us-ascii"
   MIME-Version: 1.0
@@ -380,7 +375,7 b' non-ascii content and truncation of mult'
   $ hg --cwd a --encoding utf-8 commit -A -d '0 0' \
   >   -m `$PYTHON -c 'print "\xc3\xa0\xc3\xa1\xc3\xa2\xc3\xa3\xc3\xa4"'`
   $ hg --traceback --cwd b --encoding utf-8 pull ../a | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  >   $PYTHON $TESTTMP/filter.py
   pulling from ../a
   searching for changes
   adding changesets
@@ -401,18 +396,14 b' non-ascii content and truncation of mult'
   changeset 7ea05ad269dc in b
   description: \xc3\xa0\xc3\xa1\xc3\xa2\xc3\xa3\xc3\xa4 (esc)
   diffstat:
-  
-   a |  1 +
-   1 files changed, 1 insertions(+), 0 deletions(-)
+   a |  1 + 1 files changed, 1 insertions(+), 0 deletions(-)
   
   diffs (7 lines):
   
   diff -r 6a0cf76b2701 -r 7ea05ad269dc a
   --- a/a	Thu Jan 01 00:00:03 1970 +0000
   +++ b/a	Thu Jan 01 00:00:00 1970 +0000
-  @@ -1,2 +1,3 @@
-   a
-   a
+  @@ -1,2 +1,3 @@ a a
   +a
   (run 'hg update' to get a working copy)
 
@@ -435,7 +426,7 b' long lines'
   added 1 changesets with 1 changes to 1 files
   notify: sending 2 subscribers 1 changes
   (run 'hg update' to get a working copy)
-  $ $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", file("b/mbox").read()),'
+  $ $PYTHON $TESTTMP/filter.py < b/mbox
   From [e-mail] ... ... .. ..:..:.. .... (re)
   Content-Type: text/plain; charset="us-ascii"
   MIME-Version: 1.0
@@ -451,19 +442,14 b' long lines'
   changeset e0be44cf638b in b
   description: long line
   diffstat:
-  
-   a |  1 +
-   1 files changed, 1 insertions(+), 0 deletions(-)
+   a |  1 + 1 files changed, 1 insertions(+), 0 deletions(-)
   
   diffs (8 lines):
   
   diff -r 7ea05ad269dc -r e0be44cf638b a
   --- a/a	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:00 1970 +0000
-  @@ -1,3 +1,4 @@
-   a
-   a
-   a
+  @@ -1,3 +1,4 @@ a a a
   +nonononononononononononononononononononononononononononononononononononono=
   nononononononononononononononononononononononononononononononononononononon=
   ononononononononononononononononononononononononononononononononononononono=
@@ -500,8 +486,7 b' long lines'
   (branches are permanent and global, did you want a bookmark?)
   $ echo a >> a/a
   $ hg --cwd a ci -m test -d '1 0'
-  $ hg --traceback --cwd b pull ../a | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --traceback --cwd b pull ../a | $PYTHON $TESTTMP/filter.py
   pulling from ../a
   searching for changes
   adding changesets
@@ -530,8 +515,7 b' from different branch'
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo a >> a/a
   $ hg --cwd a ci -m test -d '1 0'
-  $ hg --traceback --cwd b pull ../a | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --traceback --cwd b pull ../a | $PYTHON $TESTTMP/filter.py
   pulling from ../a
   searching for changes
   adding changesets
@@ -559,8 +543,7 b' default template:'
   $ mv "$HGRCPATH.new" $HGRCPATH
   $ echo a >> a/a
   $ hg --cwd a commit -m 'default template'
-  $ hg --cwd b pull ../a -q | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --cwd b pull ../a -q | $PYTHON $TESTTMP/filter.py
   Content-Type: text/plain; charset="us-ascii"
   MIME-Version: 1.0
   Content-Transfer-Encoding: 7bit
@@ -589,8 +572,7 b' with style:'
   > EOF
   $ echo a >> a/a
   $ hg --cwd a commit -m 'with style'
-  $ hg --cwd b pull ../a -q | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --cwd b pull ../a -q | $PYTHON $TESTTMP/filter.py
   Content-Type: text/plain; charset="us-ascii"
   MIME-Version: 1.0
   Content-Transfer-Encoding: 7bit
@@ -613,8 +595,7 b' with template (overrides style):'
   > EOF
   $ echo a >> a/a
   $ hg --cwd a commit -m 'with template'
-  $ hg --cwd b pull ../a -q | \
-  >   $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),'
+  $ hg --cwd b pull ../a -q | $PYTHON $TESTTMP/filter.py
   Content-Type: text/plain; charset="us-ascii"
   MIME-Version: 1.0
   Content-Transfer-Encoding: 7bit