Merge pull request #696 from ZyX-I/fish

Add powerline/bindings/fish/powerline.fish

docs/source/overview.rst

@@ -150,6 +150,16 @@ absolute path to your Powerline installation directory:
 
    . {repository_root}/powerline/bindings/zsh/powerline.zsh
 
+Fish prompt
+^^^^^^^^^^^
+
+Add the following line to your :file:`config.fish`, where ``{repository_root}`` 
+is the absolute path to your Powerline installation directory:
+
+.. code-block:: bash
+
+   . {repository_root}/powerline/bindings/fish/powerline.fish
+
 Tmux statusline
 ---------------
 

powerline/bindings/fish/powerline.fish

@@ -0,0 +1,36 @@
+function powerline
+	if test -z "$POWERLINE_COMMAND"
+		if which powerline-client >/dev/null
+			set -g -x POWERLINE_COMMAND powerline-client
+		else
+			set -g -x POWERLINE_COMMAND powerline
+		end
+	end
+	function --on-variable POWERLINE_COMMAND _powerline_update
+		set -l addargs "--last_exit_code=\$status --last_pipe_status=\$status --jobnum=(jobs -p | wc -l)"
+		eval "
+		function fish_prompt
+			$POWERLINE_COMMAND shell left $addargs
+		end
+		function fish_right_prompt
+			$POWERLINE_COMMAND shell right $addargs
+		end
+		"
+	end
+	_powerline_update
+	function _powerline_tmux_setenv
+		if test -n "$TMUX"
+			tmux setenv -g TMUX_$argv[1]_(tmux display -p "#D" | tr -d "%") "$argv[2]"
+			tmux refresh -S
+		end
+	end
+	function --on-variable PWD _powerline_tmux_set_pwd
+		_powerline_tmux_setenv PWD "$PWD"
+	end
+	function --on-signal WINCH _powerline_tmux_set_columns
+		_powerline_tmux_setenv COLUMNS "$COLUMNS"
+	end
+	_powerline_tmux_set_columns
+	_powerline_tmux_set_pwd
+end
+powerline

tests/install.sh

@@ -9,5 +9,7 @@ if python -c 'import sys; sys.exit(1 * (sys.version_info[0] != 2))' ; then
 		pip install unittest2 argparse
 	fi
 fi
-sudo apt-get install -qq zsh screen
+sudo apt-get install -qq screen zsh
+# Travis has too outdated fish. It cannot be used for tests.
+# sudo apt-get install fish
 true

tests/test_shells/fish.ok

@@ -0,0 +1,8 @@
+  HOSTNAME  USER   BRANCH  ⋯  tests  shell  3rd  
+  HOSTNAME  USER   BRANCH  ⋯  shell  3rd  .git  
+  HOSTNAME  USER   BRANCH  ⋯  tests  shell  3rd  
+  HOSTNAME  USER  ⓔ  some-virtual-environment   BRANCH  ⋯  tests  shell  3rd  
+  HOSTNAME  USER   BRANCH  ⋯  tests  shell  3rd  
+  HOSTNAME  USER   BRANCH  ⋯  tests  shell  3rd  1  
+  HOSTNAME  USER   BRANCH  ⋯  tests  shell  3rd  1  1  
+  HOSTNAME  USER   BRANCH  ⋯  tests  shell  3rd  

tests/test_shells/input.fish

@@ -0,0 +1,15 @@
+set POWERLINE_COMMAND "$PWD/scripts/powerline -p $PWD/powerline/config_files"
+set POWERLINE_COMMAND "$POWERLINE_COMMAND -t default_leftonly.segment_data.hostname.args.only_if_ssh=false"
+set POWERLINE_COMMAND "$POWERLINE_COMMAND -c ext.shell.theme=default_leftonly"
+set VIRTUAL_ENV
+. powerline/bindings/fish/powerline.fish ; cd tests/shell/3rd
+cd .git
+cd ..
+set VIRTUAL_ENV "$HOME/.virtenvs/some-virtual-environment"
+set VIRTUAL_ENV
+bash -c "echo \$\$>pid ; while true ; do sleep 0.1s ; done" &
+false
+kill (cat pid) ; sleep 1s
+false
+true is the last line
+exit

tests/test_shells/postproc.py

@@ -12,6 +12,8 @@ fname = sys.argv[1]
 new_fname = fname + '.new'
 pid_fname = 'tests/shell/3rd/pid'
 
+shell = sys.argv[2]
+
 with open(pid_fname, 'r') as P:
 	pid = P.read().strip()
 hostname = socket.gethostname()
@@ -20,7 +22,7 @@ user = os.environ['USER']
 with codecs.open(fname, 'r', encoding='utf-8') as R:
 	with codecs.open(new_fname, 'w', encoding='utf-8') as W:
 		found_cd = False
-		for line in R:
+		for line in (R if shell != 'fish' else R.read().split('\n')):
 			if not found_cd:
 				found_cd = ('cd tests/shell/3rd' in line)
 				continue
@@ -32,6 +34,13 @@ with codecs.open(fname, 'r', encoding='utf-8') as R:
 			line = line.replace(hostname, 'HOSTNAME')
 			line = line.replace(user, 'USER')
 			line = line.replace(pid, 'PID')
+			if shell == 'fish':
+				try:
+					start = line.index('\033[0;')
+					end = line.index('\033[0m', start)
+					line = line[start : end+4] + '\n'
+				except ValueError:
+					line = ''
 			W.write(line)
 
 os.rename(new_fname, fname)

tests/test_shells/test.sh

@@ -1,30 +1,30 @@
 #!/bin/sh
 FAILED=0
-
+ONLY_SHELL="$1"
-if [ "$(echo '\e')" != '\e' ] ; then
-	safe_echo() {
-		echo -E "$@"
-	}
-else
-	safe_echo() {
-		echo "$@"
-	}
-fi
 
 check_screen_log() {
-	diff -u tests/test_shells/${1}.ok tests/shell/screen.log
+	if test -e tests/test_shells/${1}.ok ; then
-	# Explicit is better then implicit
+		diff -u tests/test_shells/${1}.ok tests/shell/screen.log
-	return $?
+		return $?
+	else
+		cat tests/shell/screen.log
+		return 1
+	fi
 }
 
 run_test() {
 	SH="$1"
-	SESNAME="powerline-shell-test-$$"
+	SESNAME="powerline-shell-test-${SH}-$$"
+
+	test "x$ONLY_SHELL" = "x" || test "x$ONLY_SHELL" = "x$SH" || return 0
+
+	which "${SH}" || return 0
+
 	screen -L -c tests/test_shells/screenrc -d -m -S "$SESNAME" \
 		env LANG=en_US.UTF-8 BINDFILE="$BINDFILE" "$@"
 	screen -S "$SESNAME" -X readreg a tests/test_shells/input.$SH
 	# Wait for screen to initialize
-	sleep 0.3s
+	sleep 1s
 	screen -S "$SESNAME" -p 0 -X width 300 1
 	screen -S "$SESNAME" -p 0 -X logfile tests/shell/screen.log
 	screen -S "$SESNAME" -p 0 -X paste a
@@ -33,32 +33,50 @@ run_test() {
 	while screen -S "$SESNAME" -X blankerprg "" > /dev/null ; do
 		sleep 0.1s
 	done
-	./tests/test_shells/postproc.py tests/shell/screen.log
+	cp tests/shell/screen.log tests/shell/${SH}.full.log
+	./tests/test_shells/postproc.py tests/shell/screen.log ${SH}
+	cp tests/shell/screen.log tests/shell/${SH}.log
 	if ! check_screen_log ${SH} ; then
+		echo '____________________________________________________________'
 		# Repeat the diff to make it better viewable in travis output
+		echo "Diff (cat -v):"
+		echo '============================================================'
 		check_screen_log ${SH} | cat -v
+		echo '____________________________________________________________'
+		echo "Failed ${SH}. Full output:"
+		echo '============================================================'
+		cat tests/shell/${SH}.full.log
+		echo '____________________________________________________________'
+		echo "Full output (cat -v):"
+		echo '============================================================'
+		cat -v tests/shell/${SH}.full.log
+		echo '____________________________________________________________'
+		${SH} --version
+		rm tests/shell/screen.log
 		return 1
 	fi
+	rm tests/shell/screen.log
 	return 0
 }
 
+test -d tests/shell && rm -r tests/shell
 mkdir tests/shell
 git init tests/shell/3rd
 git --git-dir=tests/shell/3rd/.git checkout -b BRANCH
 
 if ! run_test bash --norc --noprofile -i ; then
-	echo "Failed bash"
 	FAILED=1
 fi
-cp tests/shell/screen.log tests/bash.log
-rm tests/shell/screen.log
 
 if ! run_test zsh -f -i ; then
-	echo "Failed zsh"
 	FAILED=1
 fi
-cp tests/shell/screen.log tests/zsh.log
-rm tests/shell/screen.log
 
-rm -r tests/shell
+mkdir tests/shell/fish_home
+export XDG_CONFIG_HOME="$PWD/tests/shell/fish_home"
+if ! run_test fish -i ; then
+	FAILED=1
+fi
+
+test "x$ONLY_SHELL" = "x" && rm -r tests/shell
 exit $FAILED