#require rust

Define an rhg function that will only run if rhg exists

  $ rhg() {

  > if [ -f "$RUNTESTDIR/../rust/target/debug/rhg" ]; then

  >   "$RUNTESTDIR/../rust/target/debug/rhg" "$@"

  > else

  >   echo "skipped: Cannot find rhg. Try to run cargo build in rust/rhg."

  >   exit 80

  > fi

  > }

Unimplemented command

  $ rhg unimplemented-command

  error: Found argument 'unimplemented-command' which wasn't expected, or isn't valid in this context

  USAGE:

      rhg <SUBCOMMAND>

  For more information try --help

  [252]

Finding root

  $ rhg root

  abort: no repository found in '$TESTTMP' (.hg not found)!

  [255]

  $ hg init repository

  $ cd repository

  $ rhg root

  $TESTTMP/repository

Unwritable file descriptor

  $ rhg root > /dev/full

  abort: No space left on device (os error 28)

  [255]

Deleted repository

  $ rm -rf `pwd`

  $ rhg root

  abort: error getting current working directory: $ENOENT$

  [255]

Listing tracked files

  $ cd $TESTTMP

  $ hg init repository

  $ cd repository

  $ for i in 1 2 3; do

  >   echo $i >> file$i

  >   hg add file$i

  > done

  > hg commit -m "commit $i" -q

Listing tracked files from root

  $ rhg files

  file1

  file2

  file3

Listing tracked files from subdirectory

  $ mkdir -p path/to/directory

  $ cd path/to/directory

  $ rhg files

  ../../../file1

  ../../../file2

  ../../../file3

Listing tracked files through broken pipe

  $ rhg files | head -n 1

  ../../../file1