test 261a9f47b44b: grep w/ match in last line w/o newline

Last character in match output omitted to avoid infinite loop.

tests/test-grep

@@ -1,68 +1,75 b''
 #!/bin/sh
 
 mkdir t
 cd t
 hg init
 echo import > port
 hg add port
 hg commit -m 0 -u spam -d '0 0'
 echo export >> port
 hg commit -m 1 -u eggs -d '1 0'
 echo export > port
 echo vaportight >> port
 echo 'import/export' >> port
 hg commit -m 2 -u spam -d '2 0'
 echo 'import/export' >> port
 hg commit -m 3 -u eggs -d '3 0'
 head -n 3 port > port1
 mv port1 port
 hg commit -m 4 -u spam -d '4 0'
 echo % pattern error
 hg grep '**test**'
 echo % simple
 hg grep port port
 echo % all
 hg grep --all -nu port port
 echo % other
 hg grep import port
 
 hg cp port port2
 hg commit -m 4 -u spam -d '5 0'
 echo '% follow'
 hg grep -f 'import$' port2
 echo deport >> port2
 hg commit -m 5 -u eggs -d '6 0'
 hg grep -f --all -nu port port2
 
 cd ..
 hg init t2
 cd t2
 hg grep foobar foo
 hg grep foobar
 echo blue >> color
 echo black >> color
 hg add color
 hg ci -m 0 -d '0 0'
 echo orange >> color
 hg ci -m 1 -d '0 0'
 echo black > color
 hg ci -m 2 -d '0 0'
 echo orange >> color
 echo blue >> color
 hg ci -m 3 -d '0 0'
 hg grep orange
 hg grep --all orange
 
+echo % match in last "line" without newline
+python -c 'fp = open("noeol", "wb"); fp.write("no infinite loop"); fp.close();'
+hg ci -Amnoeol
+echo % last character omitted in output to avoid infinite loop
+hg grep loop
+
 # Got a traceback when using grep on a single
 # revision with renamed files.
 cd ..
 echo % issue 685
 hg init issue685
 cd issue685
 echo octarine > color
 hg ci -Amcolor
 hg rename color colour
 hg ci -Am rename
 hg grep octarine
 # Used to crash here
 hg grep -r 1 octarine
+

tests/test-grep.out

@@ -1,39 +1,43 b''
 % pattern error
 grep: invalid match pattern: nothing to repeat
 % simple
 port:4:export
 port:4:vaportight
 port:4:import/export
 % all
 port:4:4:-:spam:import/export
 port:3:4:+:eggs:import/export
 port:2:1:-:spam:import
 port:2:2:-:spam:export
 port:2:1:+:spam:export
 port:2:2:+:spam:vaportight
 port:2:3:+:spam:import/export
 port:1:2:+:eggs:export
 port:0:1:+:spam:import
 % other
 port:4:import/export
 % follow
 port:0:import
 port2:6:4:+:eggs:deport
 port:4:4:-:spam:import/export
 port:3:4:+:eggs:import/export
 port:2:1:-:spam:import
 port:2:2:-:spam:export
 port:2:1:+:spam:export
 port:2:2:+:spam:vaportight
 port:2:3:+:spam:import/export
 port:1:2:+:eggs:export
 port:0:1:+:spam:import
 color:3:orange
 color:3:+:orange
 color:2:-:orange
 color:1:+:orange
+% match in last line without newline
+adding noeol
+% last character omitted in output to avoid infinite loop
+noeol:4:no infinite loo
 % issue 685
 adding color
 color:0:octarine
 colour:1:octarine
 colour:1:octarine