From 7fa86968e15430c3de1fa147b0c8a8eac9546724 Mon Sep 17 00:00:00 2001
From: Daniel Flanagan <daniel@lytedev.io>
Date: Thu, 13 Feb 2020 11:14:03 -0600
Subject: [PATCH] Pipeline stuff

---
 apps/neovim/init.vim |  8 +++++---
 bin/cdp              |  2 +-
 bin/fsw              | 24 ++++++++++++++++-------
 bin/fswi             |  2 +-
 bin/pipeline         | 45 ++++++++++----------------------------------
 5 files changed, 34 insertions(+), 47 deletions(-)

diff --git a/apps/neovim/init.vim b/apps/neovim/init.vim
index e2280bc..685036b 100644
--- a/apps/neovim/init.vim
+++ b/apps/neovim/init.vim
@@ -1,11 +1,13 @@
+scriptencoding utf-8
+set fileencoding=utf8
+
 let $vimdir = $HOME.'/.vim'
 if has('nvim')
 	let $vimdir = $XDG_CONFIG_HOME.'/nvim'
 endif
 
-" load a per-environment file if one exists
-if filereadable("$ENV_PATH/vim")
-	source "$ENV_PATH/vim"
+if filereadable($ENV_PATH."/vim")
+	source $ENV_PATH."/vim"
 endif
 
 call plug#begin($vimdir.'/bundle')
diff --git a/bin/cdp b/bin/cdp
index d8b12a7..dd354d0 100755
--- a/bin/cdp
+++ b/bin/cdp
@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 
 # TODO: needs fixing...?
-[ -f "$HOME/.fzf.bash" ] && source "$HOME/.fzf.bash" && $(__fzf_cd__)
+cd "$(dirname "$(fzf)")"
diff --git a/bin/fsw b/bin/fsw
index 08331cd..56898aa 100755
--- a/bin/fsw
+++ b/bin/fsw
@@ -4,8 +4,8 @@ _VERSION="0.2.0"
 
 function help() {
 	I="  "
-	cat <<USAGE
-fsw - run a command when a file is modified
+	cat << USAGE
+fsw - run a command when a file is modified - v$_VERSION
 
 Usage:
 ${I}fsw <command> [filter] [dirs...]
@@ -41,11 +41,17 @@ USAGE
 }
 
 dbg() {
-	if [[ ! -z ${FSW_DEBUG+x} ]]; then
-		echo -e "[debug] fsw: $@"
+	if [[ -n ${FSW_DEBUG+x} ]]; then
+		echo -e "[debug] fsw: $*"
 	fi
 }
 
+contains_element () {
+  local e match="$1"; shift
+  for e; do [[ "$e" == "$match" ]] && return 0; done
+  return 1
+}
+
 if [[ $1 = '-h' ]] || [[ $1 = '--help' ]] || [[ -z $1 ]]; then
 	help
 	exit 0
@@ -64,16 +70,20 @@ if [[ -e $FILTER ]]; then
 	echo "It looks like your filter is an actual file. I'll just watch that for you."
 	DIRS=("${FILTER}")
 fi
-while [[ ! -z $1 ]] && $(realpath $1) &> /dev/null; do
+while [[ -n $1 ]] && realpath "$1" &> /dev/null; do
 	dbg "Directory: ${1}"
 	DIRS+=("$1"); shift
 done
-inotifywait -m -e "${FSW_EVENTS}" -r "${DIRS[@]}" 2>&1 \
+inotifywait -m -e "${FSW_EVENTS},delete,delete_self" -r "${DIRS[@]}" 2>&1 \
 	| grep --line-buffered -v '  Beware: since -r was given, this may take a while!' \
 	| while read -r dir events filename; do
+	if contains_element "$dir" "${DIRS[@]}" && [[ $events =~ "delete" ]]; then
+		echo "One of the watched directories (\"$dir\") was deleted. Exiting..."
+		exit 75
+	fi
 	if [[ "$dir $events" = "Watches established." ]]; then
 		echo "Ready."
-		dbg "Directory: ${DIRS[@]}"
+		dbg "Directory: ${DIRS[*]}"
 	else
 		export FSW_FILENAME="$filename"
 		export FSW_DIR="$dir"
diff --git a/bin/fswi b/bin/fswi
index 9eb7a8c..fc53f8b 100755
--- a/bin/fswi
+++ b/bin/fswi
@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 
 eval "${1}"
-fsw "$@"
+exec fsw "$@"
diff --git a/bin/pipeline b/bin/pipeline
index 70d978e..1908407 100755
--- a/bin/pipeline
+++ b/bin/pipeline
@@ -8,7 +8,7 @@ if [ -n "${1+x}" ]; then
 	mkdir -p "$pdir"
 	if [ -z ${1+x} ]; then
 		td="$(mktemp -p "$pdir" -d "tmp_pipeline.XXXXXXXX")"
-		cleanup_trap="rm -rf \"$td\""
+		trap "rm -rf '$td'" EXIT
 	else
 		td="$pdir/$1"; shift
 		mkdir -p "$td"
@@ -17,48 +17,23 @@ if [ -n "${1+x}" ]; then
 else
 	td="$(mktemp --tmpdir -d pipeline.XXXXXXXX)"
 	transform="$td/transform"
-	cleanup_trap="rm -rf \"$td\""
+	trap "rm -rf '$td'" EXIT
 fi
 
 [ ! -e "$transform" ] && \
-	printf "#!/usr/bin/env bash\n# for %s\n\nbase64" "${td}" > "$transform"
+	printf "#!/usr/bin/env bash\n# you must save this buffer manually\n# for %s\n
+base64" "${td}" > "$transform"
 
-in="$td/in"
-[ -n "${1+x}" ] && in="${1}" && shift
-out="$td/out"
-[ -n "${1+x}" ] && out="${1}" && shift
+in="$td/in";   [ -n "${1+x}" ] && in="${1}"  && shift
+out="$td/out"; [ -n "${1+x}" ] && out="${1}" && shift
 
 # TODO: if no logging, log="/dev/null"
 log="$td/log"
-
-chmod +x "$transform"
-echo "Hello World" > "$in"
 touch "$log"
 
-fswi \
-	"bash -c 'cd \"$td\" && < \"$in\" \"$transform\" | tee \"$out\"'" \
-	'in$|transform$' \
-	"$td" "$pdir" > "$log" 2>&1 &
+chmod +x "$transform"
 
-watcher="$!"
+# TODO: saved inputs?
+echo "Hello World" > "$in"
 
-if [ -z "${cleanup_trap+x}" ]; then
-	trap "kill \"$watcher\"" EXIT
-else
-	trap "${cleanup_trap}; kill \"$watcher\"" EXIT
-fi
-
-job="$(echo "let g:pipeline_job_id = jobstart(['inotifywait', '-m', '-e', 'close_write', '${out}'], {'detach':1,'on_stdout':{j,d,e->execute('checktime')}})" | tr "'" '"')"
-
-echo $job >> "$log"
-
-# this will only autosave (and therefore autoreload) for the out buffer (since
-# it was opened last) - autosaving (and therefore autorunning) is potentially
-# very scary
-nvim -V9"$td/vimlog" \
-	-o "$in" "$transform" "$out" \
-	--cmd "$job" \
-	--cmd 'set updatetime=250' \
-	--cmd 'autocmd CursorHold,CursorHoldI <buffer> silent write' \
-	--cmd 'autocmd VimLeave call jobstop(g:pipeline_job_id)' \
-	--cmd "$job"
+env PIPELINE_IN="$id" PIPELINE_TRANSFORM="$transform" PIPELINE_OUT="$out" nvim --cmd "source $DOTFILES_PATH/apps/neovim/scripts/pipeline.vim"