Version 3 of iTerm 2 supports

.gitignore

@@ -1 +1,2 @@
 not-shared
+*.log

Brewfile

@@ -27,7 +27,7 @@ cask 'gpgtools'
 cask '1password'
 
 # Shell
-cask 'iterm2'
+cask 'iterm2-beta'
 cask 'path-finder'
 cask 'go2shell'
 

bash/.bash_profile

@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 # Add `~/bin` to the `$PATH`
 export PATH="$HOME/bin:/usr/local/bin:$PATH"
 
@@ -57,3 +59,5 @@ complete -W "NSGlobalDomain" defaults;
 
 # Add `killall` tab completion for common apps
 complete -o "nospace" -W "Contacts Calendar Dock Finder Mail Safari iTunes SystemUIServer Terminal Twitter" killall;
+
+test -e "${HOME}/.iterm2_shell_integration.bash" && source "${HOME}/.iterm2_shell_integration.bash"

bash/bin/iterm2/divider

@@ -0,0 +1,9 @@
+#!/bin/bash
+if [ $# -eq 0 ]; then
+  echo "Usage: divider file"
+  exit 1
+fi
+printf '\033]1337;File=inline=1;width=100%%;height=1;preserveAspectRatio=0'
+printf ":"
+base64 < "$1"
+printf '\a\n'

bash/bin/iterm2/download.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+if [ $# -ne 1 ]; then
+  echo "Usage: download.sh file ..."
+  exit 1
+fi
+for fn in "$@"
+do
+  if [ -r "$fn" ] ; then
+    printf '\033]1337;File=name='`echo -n "$fn" | base64`";"
+    wc -c "$fn" | awk '{printf "size=%d",$1}'
+    printf ":"
+    base64 < "$fn"
+    printf '\a'
+  else
+    echo File $fn does not exist or is not readable.
+  fi
+done

bash/bin/iterm2/imgcat

@@ -0,0 +1,99 @@
+#!/bin/bash
+
+# tmux requires unrecognized OSC sequences to be wrapped with DCS tmux;
+# <sequence> ST, and for all ESCs in <sequence> to be replaced with ESC ESC. It
+# only accepts ESC backslash for ST.
+function print_osc() {
+    if [[ $TERM == screen* ]] ; then
+        printf "\033Ptmux;\033\033]"
+    else
+        printf "\033]"
+    fi
+}
+
+# More of the tmux workaround described above.
+function print_st() {
+    if [[ $TERM == screen* ]] ; then
+        printf "\a\033\\"
+    else
+        printf "\a"
+    fi
+}
+
+# print_image filename inline base64contents
+#   filename: Filename to convey to client
+#   inline: 0 or 1
+#   base64contents: Base64-encoded contents
+function print_image() {
+    print_osc
+    printf '1337;File='
+    if [[ -n "$1" ]]; then
+      printf 'name='`echo -n "$1" | base64`";"
+    fi
+    if $(base64 --version 2>&1 | grep GNU > /dev/null)
+    then
+      BASE64ARG=-d
+    else
+      BASE64ARG=-D
+    fi
+    echo -n "$3" | base64 $BASE64ARG | wc -c | awk '{printf "size=%d",$1}'
+    printf ";inline=$2"
+    printf ":"
+    echo -n "$3"
+    print_st
+    printf '\n'
+}
+
+function error() {
+    echo "ERROR: $*" 1>&2
+}
+
+function show_help() {
+    echo "Usage: imgcat filename ..." 1>& 2
+    echo "   or: cat filename | imgcat" 1>& 2
+}
+
+## Main
+
+if [ -t 0 ]; then
+    has_stdin=f
+else
+    has_stdin=t
+fi
+
+# Show help if no arguments and no stdin.
+if [ $has_stdin = f -a $# -eq 0 ]; then
+    show_help
+    exit
+fi
+
+# Look for command line flags.
+while [ $# -gt 0 ]; do
+    case "$1" in
+    -h|--h|--help)
+        show_help
+        exit
+        ;;
+    -*)
+        error "Unknown option flag: $1"
+        show_help
+        exit 1
+      ;;
+    *)
+        if [ -r "$1" ] ; then
+            print_image "$1" 1 "$(base64 < "$1")"
+        else
+            error "imgcat: $1: No such file or directory"
+            exit 2
+        fi
+        ;;
+    esac
+    shift
+done
+
+# Read and print stdin
+if [ $has_stdin = t ]; then
+    print_image "" 1 "$(cat | base64)"
+fi
+
+exit 0

bash/bin/iterm2/imgls

@@ -0,0 +1,67 @@
+#!/bin/bash
+# tmux requires unrecognized OSC sequences to be wrapped with DCS tmux;
+# <sequence> ST, and for all ESCs in <sequence> to be replaced with ESC ESC. It
+# only accepts ESC backslash for ST.
+function print_osc() {
+    if [ x"$TERM" = "xscreen" ] ; then
+        printf "\033Ptmux;\033\033]"
+    else
+        printf "\033]"
+    fi
+}
+
+# More of the tmux workaround described above.
+function print_st() {
+    if [ x"$TERM" = "xscreen" ] ; then
+        printf "\a\033\\"
+    else
+        printf "\a"
+    fi
+}
+
+function list_file() {
+  fn=$1
+  dims=$(php -r 'if (!is_file($argv[1])) exit(1); $a = getimagesize($argv[1]); if ($a==FALSE) exit(1); else { echo $a[0] . "x" .$a[1]; exit(0); }' "$fn")
+  rc=$?
+  if [[ $rc == 0 ]] ; then
+    print_osc
+    printf '1337;File=name='`echo -n "$fn" | base64`";"
+    wc -c "$fn" | awk '{printf "size=%d",$1}'
+    printf ";inline=1;height=3;width=3;preserveAspectRatio=true"
+    printf ":"
+    base64 < "$fn"
+    print_st
+    if [ x"$TERM" == "xscreen" ] ; then
+      # This works in plain-old tmux but does the wrong thing in iTerm2's tmux
+      # integration mode. tmux doesn't know that the cursor moves when the
+      # image code is sent, while iTerm2 does. I had to pick one, since
+      # integration mode is undetectable, so I picked the failure mode that at
+      # least produces useful output (there is just too much whitespace in
+      # integration mode). This could be fixed by not moving the cursor while
+      # in integration mode. A better fix would be for tmux to interpret the
+      # image sequence, though.
+      #
+      # tl;dr: If you use tmux in integration mode, replace this with the printf
+      # from the else clause.
+      printf '\033[4C\033[Bx'
+    else
+      printf '\033[A'
+    fi
+    echo -n "$dims "
+    ls -ld "$fn"
+  else
+    ls -ld "$fn"
+  fi
+}
+
+if [ $# -eq 0 ]; then
+  for fn in *
+  do
+     list_file "$fn"
+  done < <(ls -ls)
+else
+  for fn in "$@"
+  do
+     list_file "$fn"
+  done
+fi