From ed8743facb6e04d7b7f2d0d7146bda65810015c9 Mon Sep 17 00:00:00 2001
From: Jim Myhrberg <contact@jimeh.me>
Date: Sun, 22 Apr 2012 11:28:38 +0100
Subject: [PATCH] Initial commit

---
 bin/tmuxifier                     |  31 +++++++
 completion/tmuxifier.bash         |  14 +++
 completion/tmuxifier.zsh          |  19 ++++
 env.sh                            |   6 ++
 init.sh                           |  22 +++++
 libexec/tmuxifier-commands        |  13 +++
 libexec/tmuxifier-completions     |  15 +++
 libexec/tmuxifier-current-session |  14 +++
 libexec/tmuxifier-list            |  11 +++
 libexec/tmuxifier-list-sessions   |   9 ++
 libexec/tmuxifier-list-windows    |   9 ++
 libexec/tmuxifier-session         |  16 ++++
 libexec/tmuxifier-window          |  22 +++++
 runtime.sh                        | 147 ++++++++++++++++++++++++++++++
 14 files changed, 348 insertions(+)
 create mode 100755 bin/tmuxifier
 create mode 100644 completion/tmuxifier.bash
 create mode 100644 completion/tmuxifier.zsh
 create mode 100644 env.sh
 create mode 100644 init.sh
 create mode 100755 libexec/tmuxifier-commands
 create mode 100755 libexec/tmuxifier-completions
 create mode 100755 libexec/tmuxifier-current-session
 create mode 100755 libexec/tmuxifier-list
 create mode 100755 libexec/tmuxifier-list-sessions
 create mode 100755 libexec/tmuxifier-list-windows
 create mode 100755 libexec/tmuxifier-session
 create mode 100755 libexec/tmuxifier-window
 create mode 100644 runtime.sh

diff --git a/bin/tmuxifier b/bin/tmuxifier
new file mode 100755
index 0000000..2cfaf33
--- /dev/null
+++ b/bin/tmuxifier
@@ -0,0 +1,31 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+if [ -z "${TMUXIFIER}" ]; then
+  export TMUXIFIER="${HOME}/.tmuxifier"
+else
+  export TMUXIFIER="${TMUXIFIER%/}"
+fi
+
+# Load tmuxifier environment variables.
+source "$TMUXIFIER/env.sh"
+
+export PATH="$TMUXIFIER/libexec:$PATH"
+
+command="$1"
+case "$command" in
+  "" | "-h" | "--help" | "help" )
+    echo "[ put help message here ]"
+    ;;
+  * )
+    command_path="$(command -v "tmuxifier-$command" || true)"
+    if [ -z $command_path ]; then
+      echo "tmuxifier: no such command '$command'" >&2
+      exit 1
+    fi
+
+    shift 1
+    exec "$command_path" "$@"
+    ;;
+esac
diff --git a/completion/tmuxifier.bash b/completion/tmuxifier.bash
new file mode 100644
index 0000000..6d26e40
--- /dev/null
+++ b/completion/tmuxifier.bash
@@ -0,0 +1,14 @@
+_tmuxifier() {
+  COMPREPLY=()
+  local word="${COMP_WORDS[COMP_CWORD]}"
+
+  if [ "$COMP_CWORD" -eq 1 ]; then
+    COMPREPLY=( $(compgen -W "$(tmuxifier commands)" -- "$word") )
+  else
+    local command="${COMP_WORDS[1]}"
+    local completions="$(tmuxifier completions "$command")"
+    COMPREPLY=( $(compgen -W "$completions" -- "$word") )
+  fi
+}
+
+complete -F _tmuxifier tmuxifier
diff --git a/completion/tmuxifier.zsh b/completion/tmuxifier.zsh
new file mode 100644
index 0000000..765a2d8
--- /dev/null
+++ b/completion/tmuxifier.zsh
@@ -0,0 +1,19 @@
+if [[ ! -o interactive ]]; then
+    return
+fi
+
+compctl -K _tmuxifier tmuxifier
+
+_tmuxifier() {
+  local word words completions
+  read -cA words
+  word="${words[2]}"
+
+  if [ "${#words}" -eq 2 ]; then
+    completions="$(tmuxifier commands)"
+  else
+    completions="$(tmuxifier completions "${word}")"
+  fi
+
+  reply=("${(ps:\n:)completions}")
+}
diff --git a/env.sh b/env.sh
new file mode 100644
index 0000000..73d50e1
--- /dev/null
+++ b/env.sh
@@ -0,0 +1,6 @@
+# Setup layout path.
+if [ -z "${TMUXIFIER_LAYOUT_PATH}" ]; then
+  export TMUXIFIER_LAYOUT_PATH="${TMUXIFIER}/layouts"
+else
+  export TMUXIFIER_LAYOUT_PATH="${TMUXIFIER_LAYOUT_PATH%/}"
+fi
diff --git a/init.sh b/init.sh
new file mode 100644
index 0000000..de9ee2a
--- /dev/null
+++ b/init.sh
@@ -0,0 +1,22 @@
+# Set tmuxifier root path.
+if [ -z "${TMUXIFIER}" ]; then
+  export TMUXIFIER="${HOME}/.tmuxifier"
+else
+  export TMUXIFIER="${TMUXIFIER%/}"
+fi
+
+# Load tmuxifier environment variables.
+source "$TMUXIFIER/env.sh"
+
+# Add `bin` directroy to `$PATH`.
+export PATH="$TMUXIFIER/bin:$PATH"
+
+# If `tmuxifier` is available, and `$TMUXIFIER_NO_COMPLETE` is not set, then
+# load tmuxifier shell completion.
+if [ ! -z $(command -v "tmuxifier") ] && [ -z "$TMUXIFIER_NO_COMPLETE" ]; then
+  if [ -n "$BASH_VERSION" ]; then
+    source "$TMUXIFIER/completion/tmuxifier.bash"
+  elif [ -n "$ZSH_VERSION" ]; then
+    source "$TMUXIFIER/completion/tmuxifier.zsh"
+  fi
+fi
diff --git a/libexec/tmuxifier-commands b/libexec/tmuxifier-commands
new file mode 100755
index 0000000..c2b374e
--- /dev/null
+++ b/libexec/tmuxifier-commands
@@ -0,0 +1,13 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+shopt -s nullglob
+
+{ for path in ${PATH//:/$'\n'}; do
+    for command in "${path}/tmuxifier-"*; do
+      command="${command##*tmuxifier-}"
+      echo ${command##sh-}
+    done
+  done
+} | sort | uniq
diff --git a/libexec/tmuxifier-completions b/libexec/tmuxifier-completions
new file mode 100755
index 0000000..9d604d8
--- /dev/null
+++ b/libexec/tmuxifier-completions
@@ -0,0 +1,15 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+command="$1"
+if [ -z "$command" ]; then
+  echo "Usage: tmuxifier completions COMMAND [arg1 arg2...]" >&2
+  exit 1
+fi
+
+command_path="$(command -v "tmuxifier-$command")"
+if grep -i "^# provide tmuxifier completions" "$command_path" >/dev/null; then
+  shift
+  exec "$command_path" --complete "$@"
+fi
diff --git a/libexec/tmuxifier-current-session b/libexec/tmuxifier-current-session
new file mode 100755
index 0000000..c9cb465
--- /dev/null
+++ b/libexec/tmuxifier-current-session
@@ -0,0 +1,14 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+if [ ! -z $TMUX ]; then
+  for item in $(tmux list-sessions -F "#{?session_attached,1,0}:#S"); do
+    if [[ "$item" == "1:"* ]]; then
+      echo ${item/1:/}
+      exit 0
+    fi
+  done
+fi
+
+exit 1
diff --git a/libexec/tmuxifier-list b/libexec/tmuxifier-list
new file mode 100755
index 0000000..dcfbe4b
--- /dev/null
+++ b/libexec/tmuxifier-list
@@ -0,0 +1,11 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+echo ""
+echo "Sessions:"
+tmuxifier-list-sessions
+echo ""
+echo "Windows:"
+tmuxifier-list-windows
+echo ""
diff --git a/libexec/tmuxifier-list-sessions b/libexec/tmuxifier-list-sessions
new file mode 100755
index 0000000..02249aa
--- /dev/null
+++ b/libexec/tmuxifier-list-sessions
@@ -0,0 +1,9 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+list=$(find "$TMUXIFIER_LAYOUT_PATH" -name "*.session.sh")
+for file in $list; do
+  file=${file/$TMUXIFIER_LAYOUT_PATH\//}
+  echo "  ${file/.session.sh/}"
+done
diff --git a/libexec/tmuxifier-list-windows b/libexec/tmuxifier-list-windows
new file mode 100755
index 0000000..bd96ed1
--- /dev/null
+++ b/libexec/tmuxifier-list-windows
@@ -0,0 +1,9 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+list=$(find "$TMUXIFIER_LAYOUT_PATH" -name "*.window.sh")
+for file in $list; do
+  file=${file/$TMUXIFIER_LAYOUT_PATH\//}
+  echo "  ${file/.window.sh/}"
+done
diff --git a/libexec/tmuxifier-session b/libexec/tmuxifier-session
new file mode 100755
index 0000000..a82c0f8
--- /dev/null
+++ b/libexec/tmuxifier-session
@@ -0,0 +1,16 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+# Provide tmuxifier completions
+if [ "$1" == "--complete" ]; then
+  for item in $(tmuxifier-list-sessions); do
+    echo "$item"
+  done
+  exit
+fi
+
+# Load runtime functions.
+source "$TMUXIFIER/runtime.sh"
+
+load_session "$1"
diff --git a/libexec/tmuxifier-window b/libexec/tmuxifier-window
new file mode 100755
index 0000000..e3c59b8
--- /dev/null
+++ b/libexec/tmuxifier-window
@@ -0,0 +1,22 @@
+#! /usr/bin/env bash
+set -e
+[ -n "$TMUXIFIER_DEBUG" ] && set -x
+
+# Provide tmuxifier completions
+if [ "$1" == "--complete" ]; then
+  for item in $(tmuxifier-list-windows); do
+    echo "$item"
+  done
+  exit
+fi
+
+# Load runtime functions.
+source "$TMUXIFIER/runtime.sh"
+
+if [ ! -z $TMUX ]; then
+  session="$(tmuxifier-current-session)"
+  load_window "$1"
+else
+  echo "ERROR: 'window' command can only be used from within Tmux."
+  exit 1
+fi
diff --git a/runtime.sh b/runtime.sh
new file mode 100644
index 0000000..d1501b7
--- /dev/null
+++ b/runtime.sh
@@ -0,0 +1,147 @@
+# Load tmuxifier environment.
+source "$TMUXIFIER/env.sh"
+
+#
+# Defaults
+#
+
+session_root="$HOME"
+
+
+#
+# Layout Helpers
+#
+# These functions are available exclusively within layout files, and enable
+# the layout files to function at all, but also provide useful short-hands to
+# otherwise more complex means.
+
+# Load specified window layout.
+load_window() {
+  local file="$TMUXIFIER_LAYOUT_PATH/$1.window.sh"
+  if [ -f "$file" ]; then
+    window="$1"
+    source "$file"
+
+    # Reset `$window_root`.
+    if [[ "$window_root" != "$session_root" ]]; then
+      window_root "$session_root"
+    fi
+  fi
+}
+
+# Load specified session layout.
+load_session() {
+  local file="$TMUXIFIER_LAYOUT_PATH/$1.session.sh"
+  if [ -f "$file" ]; then
+    session="$1"
+    source "$file"
+
+    # Reset `$session_root`.
+    if [[ "$session_root" != "$HOME" ]]; then
+      session_root="$HOME"
+    fi
+  fi
+}
+
+# Customize session name. Default is based on the session layout filename.
+session_name() {
+  session="$1"
+}
+
+# Cusomize session root path. Default is `$HOME`.
+session_root() {
+  local dir="$(__expand_path $@)"
+  if [ -d "$dir" ]; then
+    session_root="$dir"
+  fi
+}
+
+# Customize window name. Default is based on the window layout filename.
+window_name() {
+  window="$1"
+}
+
+# Customize window root path. Default is `$session_root`.
+window_root() {
+  local dir="$(__expand_path $@)"
+  if [ -d "$dir" ]; then
+    cd "$dir"
+  fi
+}
+
+# Create a new session, returning 0 on success, 1 on failure.
+#
+# Example usage:
+#
+#   if initialize_session; then
+#     load_window "example"
+#   fi
+#
+initialize_session() {
+  # Ensure tmux server is running for has-session check.
+  tmux start-server
+
+  # Check if the named session already exists.
+  if ! tmux has-session -t "$session" 2>/dev/null; then
+    # Create the new session.
+    env TMUX= tmux new-session -d -s "$session"
+
+    # Set default-path for session
+    if [ ! -z "$session_root" ] && [ -d "$session_root" ]; then
+      tmux set-option -t "$session" default-path "$session_root" 1>/dev/null
+    fi
+
+    # In order to ensure only specified windows are created, we move the
+    # default window to position 99, and later remove it with the
+    # `finalize_session` function.
+    tmux move-window -s "$session:0" -t "$session:99"
+
+    # Ensure correct pane splitting.
+    __go_to_session
+
+    # Session created, return ok exit status.
+    return 0
+  fi
+  # Session already existed, return error exit status.
+  return 1
+}
+
+# Finalize session creation and then switch to it if needed.
+#
+# When the session is created, it leaves a unused window in position #99, this
+# is the default window which was created with the session, but it's also a
+# window that was not explicitly created. Hence we kill it.
+#
+# If the session was created, we've already been switched to it. If it was not
+# created, the session already exists, and we'll need to specifically switch
+# to it here.
+finalize_and_go_to_session() {
+  tmux kill-window -t "$session:99" 2>/dev/null
+  if [[ "$(tmuxifier-current-session)" != "$session" ]]; then
+    __go_to_session
+  fi
+}
+
+
+#
+# Internal functions
+#
+
+# Expands given path.
+#
+# Example:
+#
+#   $ __expand_path ~/Projects
+#   /Users/jimeh/Projects
+#
+__expand_path() {
+  echo $(eval echo "$@")
+}
+
+__go_to_session() {
+  if [ -z $TMUX ]; then
+    tmux -u attach-sessions -t "$session"
+  else
+    tmux -u switch-client -t "$session"
+  fi
+}