$ 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'

pattern error

  $ hg grep '**test**'

  grep: invalid match pattern: nothing to repeat

  [1]

simple

  $ hg grep port port

  port:4:export

  port:4:vaportight

  port:4:import/export

simple with color

  $ hg --config extensions.color= grep --config color.mode=ansi \

  >     --color=always port port

  port:4:ex\x1b[0;31;1mport\x1b[0m (esc)

  port:4:va\x1b[0;31;1mport\x1b[0might (esc)

  port:4:im\x1b[0;31;1mport\x1b[0m/export (esc)

all

  $ hg grep --traceback --all -nu port port

  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

  $ hg grep import port

  port:4:import/export

  $ hg cp port port2

  $ hg commit -m 4 -u spam -d '5 0'

follow

  $ hg grep --traceback -f 'import$' port2

  port:0:import

  $ echo deport >> port2

  $ hg commit -m 5 -u eggs -d '6 0'

  $ hg grep -f --all -nu port port2

  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

  $ cd ..

  $ hg init t2

  $ cd t2

  $ hg grep foobar foo

  [1]

  $ hg grep foobar

  [1]

  $ echo blue >> color

  $ echo black >> color

  $ hg add color

  $ hg ci -m 0

  $ echo orange >> color

  $ hg ci -m 1

  $ echo black > color

  $ hg ci -m 2

  $ echo orange >> color

  $ echo blue >> color

  $ hg ci -m 3

  $ hg grep orange

  color:3:orange

  $ hg grep --all orange

  color:3:+:orange

  color:2:-:orange

  color:1:+:orange

match in last "line" without newline

  $ python -c 'fp = open("noeol", "wb"); fp.write("no infinite loop"); fp.close();'

  $ hg ci -Amnoeol

  adding noeol

last character omitted in output to avoid infinite loop

  $ hg grep loop

  noeol:4:no infinite loo

  $ cd ..

Issue685: trackback in grep -r after rename

Got a traceback when using grep on a single

revision with renamed files.

  $ hg init issue685

  $ cd issue685

  $ echo octarine > color

  $ hg ci -Amcolor

  adding color

  $ hg rename color colour

  $ hg ci -Am rename

  $ hg grep octarine

  colour:1:octarine

  color:0:octarine

Used to crash here

  $ hg grep -r 1 octarine

  colour:1:octarine

  $ cd ..

Issue337: test that grep follows parent-child relationships instead

of just using revision numbers.

  $ hg init issue337

  $ cd issue337

  $ echo white > color

  $ hg commit -A -m "0 white"

  adding color

  $ echo red > color

  $ hg commit -A -m "1 red"

  $ hg update 0

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ echo black > color

  $ hg commit -A -m "2 black"

  created new head

  $ hg update --clean 1

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ echo blue > color

  $ hg commit -A -m "3 blue"

  $ hg grep --all red

  color:3:-:red

  color:1:+:red