tests: easier hg serve error diagnosis

tests/test-push-http

@@ -1,65 +1,56 b''
 #!/bin/sh
 
 cp "$TESTDIR"/printenv.py .
 
 hg init test
 cd test
 echo a > a
 hg ci -Ama -d '0 0'
 
 cd ..
 hg clone test test2
 cd test2
 echo a >> a
 hg ci -mb -d '0 0'
 
+req() {
+	hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
+	cat hg.pid >> $DAEMON_PIDS
+	hg --cwd ../test2 push http://localhost:$HGPORT/ | sed -e 's,:[0-9][0-9]*/,/,'
+	kill `cat hg.pid`
+	echo % serve errors
+	cat errors.log
+}
+
 cd ../test
 
 echo % expect ssl error
-hg serve -p $HGPORT -d --pid-file=hg.pid
-cat hg.pid >> $DAEMON_PIDS
-hg --cwd ../test2 push http://localhost:$HGPORT/ | sed -e 's,:[0-9][0-9]*/,/,'
-kill `cat hg.pid`
+req
 
 echo % expect authorization error
 echo '[web]' > .hg/hgrc
 echo 'push_ssl = false' >> .hg/hgrc
-hg serve -p $HGPORT -d --pid-file=hg.pid
-cat hg.pid >> $DAEMON_PIDS
-hg --cwd ../test2 push http://localhost:$HGPORT/ | sed -e 's,:[0-9][0-9]*/,/,'
-kill `cat hg.pid`
+req
 
 echo % expect authorization error: must have authorized user
 echo 'allow_push = unperson' >> .hg/hgrc
-hg serve -p $HGPORT -d --pid-file=hg.pid
-cat hg.pid >> $DAEMON_PIDS
-hg --cwd ../test2 push http://localhost:$HGPORT/ | sed -e 's,:[0-9][0-9]*/,/,'
-kill `cat hg.pid`
+req
 
 echo % expect success
 echo 'allow_push = *' >> .hg/hgrc
 echo '[hooks]' >> .hg/hgrc
 echo 'changegroup = python ../printenv.py changegroup 0 ../urls' >> .hg/hgrc
-hg serve -p $HGPORT -d --pid-file=hg.pid
-cat hg.pid >> $DAEMON_PIDS
-hg --cwd ../test2 push http://localhost:$HGPORT/ | sed -e 's,:[0-9][0-9]*/,/,'
-kill `cat hg.pid`
-hg rollback
+req
 
 cat ../urls
 
+hg rollback
 echo % expect authorization error: all users denied
 echo '[web]' > .hg/hgrc
 echo 'push_ssl = false' >> .hg/hgrc
 echo 'deny_push = *' >> .hg/hgrc
-hg serve -p $HGPORT -d --pid-file=hg.pid
-cat hg.pid >> $DAEMON_PIDS
-hg --cwd ../test2 push http://localhost:$HGPORT/ | sed -e 's,:[0-9][0-9]*/,/,'
-kill `cat hg.pid`
+req
 
 echo % expect authorization error: some users denied, users must be authenticated
 echo 'deny_push = unperson' >> .hg/hgrc
-hg serve -p $HGPORT -d --pid-file=hg.pid
-cat hg.pid >> $DAEMON_PIDS
-hg --cwd ../test2 push http://localhost:$HGPORT/ | sed -e 's,:[0-9][0-9]*/,/,'
-kill `cat hg.pid`
+req

tests/test-push-http.out

@@ -1,31 +1,37 b''
 adding a
 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 % expect ssl error
 pushing to http://localhost/
 searching for changes
 ssl required
+% serve errors
 % expect authorization error
 pushing to http://localhost/
 searching for changes
 push not authorized
+% serve errors
 % expect authorization error: must have authorized user
 pushing to http://localhost/
 searching for changes
 push not authorized
+% serve errors
 % expect success
 pushing to http://localhost/
 searching for changes
 adding changesets
 adding manifests
 adding file changes
 added 1 changesets with 1 changes to 1 files
+% serve errors
+changegroup hook: HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_URL=remote:http 
 rolling back last transaction
-changegroup hook: HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_URL=remote:http 
 % expect authorization error: all users denied
 pushing to http://localhost/
 searching for changes
 push not authorized
+% serve errors
 % expect authorization error: some users denied, users must be authenticated
 pushing to http://localhost/
 searching for changes
 push not authorized
+% serve errors