Move entire git-prompt to C

Tips from [zsh-vimto](https://github.com/laurenkt/zsh-vimto).

* Remove delay when changing mode
* Enable backspace when returning to viins from vicmd mode

.conduit.yaml

@@ -6,8 +6,8 @@
 - brew:
     - zsh
 - command:
-    - install: sudo chsh $USER -s `which zsh`
-      remove: sudo chsh $USER -s `which bash`
+    - install: sudo chsh -s `which zsh` $USER
+      remove: sudo chsh -s `which bash` $USER
 - symlink:
     - {src: zlogin, dst: ~/.zlogin}
     - {src: zlogout, dst: ~/.zlogout}

README.md

@@ -51,10 +51,26 @@ display. This results in no noticeable lag when redrawing the prompt.
 Plugins are sourced manually and their git repositories tracked by
 [conduit][conduit], no plugin manager is used.
 
-* [zsh-syntax-highlighting][syntax] Fish shell like syntax highlighting for Zsh.
+* [zsh-autosuggestions][zsh-autosuggestions] Fish-like autosuggestions for zsh.
+* [fast-syntax-highlighting][syntax] Optimized and extended
+  zsh-syntax-highlighting - Fish shell like syntax highlighting for Zsh.
 * [zsh-history-substring-search][search] Zsh port of the Fish shell's history
   search.
 
+In addition to third party plugins the following are custom plugins residing in
+this repository.
+
+* [autoenv](autoenv/autoenv.zsh) is a inspired by [zsh-autoenv][zsh-autoenv] but
+  simplified by removing customization points and using a less intrusive UI.
+* [build](build/build.plugin.zsh) is a collection of commands to make it easier
+  to build projects focuses on C/C++ development.
+* [sandbox](sandbox/sandbox.plugin.zsh) is a command which sets up a throw away
+  directory for quickly testing ideas.
+* [layout](layout/layout.plugin.zsh) is a command which setups up `tmux` panes
+  in a window with scripts.
+* [notes](notes/notes.plugin.zsh) is a command to quickly edit markdown note
+  files.
+
 ## Environment & Settings
 
 The bulk of, if not all, configuration occurs in [`zshenv`](zshenv) and
@@ -135,7 +151,9 @@ Various aliases are defined at the end of [zshrc](zshrc) for convenience.
 [zsh]: https://www.zsh.org/
 [git]: https://git-scm.com/
 [git-prompt]: https://github.com/olivierverdier/zsh-git-prompt
-[syntax]: https://github.com/zsh-users/zsh-syntax-highlighting
+[zsh-autosuggestions]: https://github.com/zdharma/fast-syntax-highlighting
+[zsh-autoenv]: https://github.com/Tarrasch/zsh-autoenv
+[syntax]: https://github.com/zdharma/fast-syntax-highlighting
 [search]: https://github.com/zsh-users/zsh-history-substring-search
 [vim-mode]: https://github.com/sharat87/zsh-vim-mode
 [tmux]: https://tmux.github.io

autoenv/autoenv.zsh

@@ -75,6 +75,9 @@ commands:
 # Global entered directories array.
 _autoenv_entered=()
 
+# Load zstat from stat module for inspecting modified time.
+zmodload -F zsh/stat b:zstat
+
 # Check if the given file is authorized, if not prompt the user to authorize,
 # ignore, or view the file. Authorized files and their modified times are
 # stored in the ~/.cache/autoenv/authorized file to make authorization

build/build-dir.py

@@ -1,46 +0,0 @@
-#!/usr/bin/env python
-"""The pick_build_dir command selects a build directory
-
-The pick_build_dir command scans the current directory for directories starting
-with ``build`` and prompts the user to select one from the list.
-"""
-
-from __future__ import print_function
-
-from argparse import ArgumentParser
-from os import listdir
-from os.path import curdir, isdir
-from sys import stderr
-
-from pick import Picker
-
-
-def main():
-    """Main entry point to build-dir.py script."""
-    parser = ArgumentParser()
-    parser.add_argument('output')
-    parser.add_argument('--default', action='store_true')
-    args = parser.parse_args()
-    directories = []
-    for directory in listdir(curdir):
-        if isdir(directory) and directory.startswith('build'):
-            directories.append(directory)
-    if len(directories) == 0:
-        print('no build directories found', file=stderr)
-        exit(1)
-    build_dirs = sorted(directories)
-    if args.default:
-        build_dir = build_dirs[0]
-    else:
-        picker = Picker(build_dirs, 'Select a build directory:')
-        picker.register_custom_handler(ord(''), lambda _: exit(1))
-        build_dir, _ = picker.start()
-    with open(args.output, 'w') as output:
-        output.write(build_dir)
-
-
-if __name__ == '__main__':
-    try:
-        main()
-    except KeyboardInterrupt:
-        exit(130)

build/build.plugin.zsh

@@ -37,15 +37,18 @@ optional arguments:
 EOF
     return
   fi
-  error() { echo "\e[31merror:\e[0m $1"; return 1 }
+  error() { echo "\e[31merror:\e[0m $1" }
+  warning() { echo "\e[33mwarning:\e[0m $1" }
   local build_dir
   if [[ ${#*} -gt 1 ]]; then
     echo $usage
-    error "unexpected position arguments: ${*[2,${#*}]}"
+    error "unexpected position arguments: ${*[2,${#*}]}"; return 1
   elif [[ ${#*} -eq 1 ]]; then
-    build_dir=${*[1]}
-    [[ ! -d $build_dir ]] && \
-      error "directory not found: $build_dir"
+    if [[ ! -d ${*[1]} ]]; then
+      warning "directory not found: ${*[1]}"
+    else
+      build_dir=${*[1]}
+    fi
   fi
 
   # If <directory> was not set begin selection
@@ -60,7 +63,7 @@ EOF
     # Interactively select a build directory if more than 1 found
     integer index=0
     if [[ ${#build_dirs} -eq 0 ]]; then
-      error "no build directories found"
+      error "no build directories found"; return 1
     elif [[ ${#build_dirs} -gt 1 ]]; then
       zmodload zsh/curses && {
         # Get the size of the terminal
@@ -139,7 +142,7 @@ EOF
 
     # If the build variable is not defined the command could not be determined
     if [ -z $build ]; then
-      echo "\e[33mwarning:\e[0m build command detection failed: $build_dir"
+      warning "build command detection failed: $build_dir"
       # Prompt user to enter a build command
       vared -p 'enter comand: ' build
     fi
@@ -149,7 +152,9 @@ EOF
     hash -d build=$build_dir
 
     # If `--build` is specified then evaluate the command.
-    [[ -n $do_build ]] && eval build
+    if [[ -n $do_build ]]; then
+      eval build
+    fi
   fi
 }
 

git-prompt.c

@@ -0,0 +1,201 @@
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#if __linux__
+#include <sys/wait.h>
+#endif
+
+#define check(CONDITION)                                                    \
+  if (CONDITION) {                                                          \
+    fprintf(stderr, "error: %s: %d: %s\n", __FILE__, __LINE__, #CONDITION); \
+    exit(0);                                                                \
+  }
+
+typedef struct process {
+  pid_t pid;
+  FILE* out;
+} process_t;
+
+process_t process_open(char* command) {
+  int fds[2];
+  check(pipe(fds));
+  int pid = fork();
+  check(pid == -1);
+  if (pid == 0) { // child process
+    close(fds[0]);
+    dup2(fds[1], STDOUT_FILENO);
+    dup2(STDOUT_FILENO, STDERR_FILENO);
+    char* argv[] = {"sh", "-c", command, NULL};
+    exit(execvp(argv[0], argv));
+  } else { // parent process
+    close(fds[1]);
+    process_t process = {pid, fdopen(fds[0], "rb")};
+    return process;
+  }
+}
+
+int process_close(process_t process) {
+  fclose(process.out);
+  int status;
+  check(process.pid != waitpid(process.pid, &status, 0));
+  if (WIFEXITED(status)) {
+    return WEXITSTATUS(status);
+  }
+  return 0;
+}
+
+char* trim(char* str) {
+  char* end;
+  while (isspace((unsigned char)*str)) str++;
+  if (*str == 0) {
+    return str;
+  }
+  end = str + strlen(str) - 1;
+  while (end > str && isspace((unsigned char)*end)) {
+    end--;
+  }
+  end[1] = '\0';
+  return str;
+}
+
+char* append(char* buffer, int count, ...) {
+  va_list list;
+  int i;
+  va_start(list, count);
+  for (i = 0; i < count; i++) {
+    strcat(buffer, va_arg(list, char*));
+  }
+  va_end(list);
+  return buffer;
+}
+
+char* inttostr(char* buffer, int value) {
+  sprintf(buffer, "%d", value);
+  return buffer;
+}
+
+int main() {
+  process_t process;
+  // check we are in a git repo
+  process = process_open("git rev-parse --git-dir");
+  check(process_close(process));
+
+  // get the current branch name
+  process = process_open("git symbolic-ref --short HEAD");
+  char branch_buf[256] = {};
+  fread(branch_buf, 1, sizeof(branch_buf), process.out);
+  if (process_close(process)) {
+    // current HEAD is not a symbolic ref
+    process = process_open("git rev-parse --abbrev-ref HEAD");
+    memset(branch_buf, 0, sizeof(branch_buf));
+    fread(branch_buf, 1, sizeof(branch_buf), process.out);
+    check(process_close(process));
+    if (strcmp("HEAD", trim(branch_buf)) == 0) {
+      // get the commit hash
+      process = process_open("git rev-parse --short HEAD");
+      memset(branch_buf, 0, sizeof(branch_buf));
+      fread(branch_buf, 1, sizeof(branch_buf), process.out);
+      check(process_close(process));
+    }
+  }
+  char* branch = trim(branch_buf);
+  char prompt[1024] = {};
+  append(prompt, 3, " %{%F{66}%}", branch, "%{%f%}");
+
+  // get the upstream remote if one exists
+  char command[1024] = {};
+  append(command, 3, "git config branch.", branch, ".remote");
+  process = process_open(command);
+  char remote_buf[256] = {};
+  fread(remote_buf, 1, sizeof(remote_buf), process.out);
+  if (process_close(process) == 0) {
+    char* remote = trim(remote_buf);
+    // get the number of commits ahead of the remote
+    memset(command, 0, sizeof(command));
+    process = process_open(append(command, 5,
+                                  "git rev-list --right-only refs/remotes/",
+                                  remote, "/", branch, "...HEAD --count"));
+    char count[32] = {};
+    fread(count, 1, sizeof(count), process.out);
+    if(process_close(process) == 0 && strcmp("0", trim(count))) {
+      append(prompt, 2, "↑", trim(count));
+    }
+
+    // get the number of commits behind the remote
+    memset(command, 0, sizeof(command));
+    process = process_open(append(command, 5,
+                                  "git rev-list --left-only refs/remotes/",
+                                  remote, "/", branch, "...HEAD --count"));
+    memset(count, 0, sizeof(count));
+    fread(count, 1, sizeof(count), process.out);
+    if(process_close(process) == 0 && strcmp("0", trim(count))) {
+      append(prompt, 2, "↓", trim(count));
+    }
+  }
+  append(prompt, 1, " ");
+
+  // get the status and parse it
+  process = process_open("git status --porcelain");
+  char status[2048];
+  int indexed = 0, modified = 0, deleted = 0, untracked = 0, unmerged = 0;
+  while (NULL != fgets(status, sizeof(status) - 1, process.out)) {
+    char X = status[0];
+    char Y = status[1];
+
+    if (X == '?' && Y == '?') {
+      ++untracked;
+    } else if ((X == 'A' && (Y == 'A' || Y == 'U')) ||
+               (X == 'D' && (Y == 'D' || Y == 'U')) ||
+               (X == 'U' && (Y == 'A' || Y == 'D' || Y == 'D' || Y == 'U'))) {
+      ++unmerged;
+    } else {
+      switch (X) {
+      case ' ':
+        switch (Y) {
+          case 'M': ++modified; break;
+          case 'D': ++deleted; break;
+        } break;
+      case 'D': ++indexed;
+        switch (Y) {
+          case ' ': break;
+          case 'M': ++modified; break;
+        } break;
+      case 'M': case 'A': case 'R': case 'C': ++indexed;
+        switch (Y) {
+          case ' ': break;
+          case 'M': ++modified; break;
+          case 'D': ++deleted; break;
+        } break;
+      }
+    }
+  }
+  check(process_close(process));
+
+  if (indexed || modified || deleted || unmerged || untracked) {  // modified
+    char int_buf[32];
+    if (indexed) {
+      append(prompt, 3, "%{%F{2}%}*", inttostr(int_buf, indexed), "%{%f%}");
+    }
+    if (modified) {
+      append(prompt, 3, "%{%F{1}%}+", inttostr(int_buf, modified), "%{%f%}");
+    }
+    if (deleted) {
+      append(prompt, 3, "%{%F{1}%}-", inttostr(int_buf, deleted), "%{%f%}");
+    }
+    if (unmerged) {
+      append(prompt, 3, "%{%B%F{1}%}×", inttostr(int_buf, unmerged), "%{%f%}");
+    }
+    if (untracked) {
+      append(prompt, 1, "%{%F{1}%}…%{%f%}");
+    }
+  } else {  // clean
+    append(prompt, 1, "%{%B%F{2}%}✓%{%f%b%}");
+  }
+
+  // print the prompt
+  puts(prompt);
+  return 0;
+}

layout/_layout

@@ -1,7 +1,7 @@
 #compdef layout
 
 __get_layouts() {
-  ls -1 ~/.config/tmux/layouts 2>/dev/null | \
+  ls -1 ~/.local/share/tmux/layouts 2>/dev/null | \
     while read -r layout; do echo $layout; done
 }
 

layout/layout.plugin.zsh

@@ -2,7 +2,7 @@ layout() {
   if [[ "$1" == "" ]]; then
     echo "usage: layout <layout> [name]"
   else
-    tmux source-file ~/.config/tmux/layouts/$1
+    tmux source-file ~/.local/share/tmux/layouts/$1
     if [[ "$2" != "" ]]; then
       tmux rename-window $2
     fi

prompt_fresh_setup

@@ -1,17 +1,18 @@
 prompt_fresh_help() {
   echo "\
 options:
-        -a      enable almostontop like behaviour"
+        -a      enable almostontop like behaviour
+        -r      recompile git-prompt executable"
 }
 
 prompt_fresh_setup() {
-  fresh_compile_git_prompt
-
   # Parse options
   local almostontop=0
-  while getopts 'a' opt; do
+  local recompile=0
+  while getopts 'ar' opt; do
     case $opt in
       a) local almostontop=1 ;;
+      r) local recompile=1 ;;
       *) prompt -h fresh; return 1 ;;
     esac
   done
@@ -19,8 +20,8 @@ prompt_fresh_setup() {
   autoload -U add-zsh-hook
 
   # Hook to print the first line of the "two line" prompt, this line is not
-  # actually part of the prompt so does not get redrawn which can sometimes
-  # cause lines before the prompt to disappear.
+  # actually part of the prompt so does not get redrawn, this is preferable
+  # since sometimes lines before the prompt can disappear.
   add-zsh-hook precmd fresh_line_one
 
   if [ $almostontop -eq 1 ]; then
@@ -31,28 +32,29 @@ prompt_fresh_setup() {
     add-zsh-hook -d preexec fresh_almostontop
   fi
 
-  if [ "$USERNAME" = "root" ]; then
-    local user="%{%F{9}%}%n%{%f%}"
+  [ $recompile -eq 1 ] && prompt_cleanup
+  fresh_compile_git_prompt
+
+  if [ "$USER" = "root" ]; then
+    local user="%{%F{1}%}%n%{%f%}"
   else
     local user="%{%F{35}%}%n%{%f%}"
   fi
 
+  local userhost=$USER
   if [ "$SSH_CONNECTION" != "" ]; then
-    local user="%{%F{35}%}$user%{%f%}@%{%F{244}%}%M%{%f%}"
+    local user="$user@%{%F{244}%}%M%{%f%}"
+    local userhost="$userhost@`hostname`"
   fi
 
-  local length=`fresh_visible_length "$user"`
-
   PS1="«$user» "
-  PS2="${(l:$length + 1:: :)}» "
+  PS2="«${(l:${#userhost}:: :)}» "
 
-  RPS1='$(fresh_rprompt)'
-
-  prompt_opts=(cr percent sp subst)
+  prompt_opts=(percent sp subst)
 }
 
 prompt_cleanup() {
-  if [ -f ~/.cache/zsh/git-prompt ]; then rm ~/.cache/zsh/git-prompt; fi
+  [ -f ~/.cache/zsh/git-prompt ] && rm ~/.cache/zsh/git-prompt
 }
 
 fresh_line_one() {
@@ -61,85 +63,30 @@ fresh_line_one() {
 
   # Construct the time and directory portions of the prompt
   local time_stamp="%{%F{244}%}%D{%H:%M:%S}%{%f%}"
-  local directory="%{%F{37}%}%~%{%f%}"
+  [[ -n $SANDBOX_HOME ]] && \
+    local directory="%{%F{3}%}$SANDBOX_NAME${PWD#$SANDBOX_HOME}%{%f%}" || \
+    local directory="%{%F{37}%}%~%{%f%}"
 
   # Check we are in a git repository
-  if `git rev-parse --git-dir > /dev/null 2>&1`; then
-    # Get git branch name & exit early if not found
-    local branch="`git symbolic-ref HEAD 2> /dev/null`"
-    if [ "" = "$branch" ]; then
-      local branch="`git rev-parse --abbrev-ref HEAD`"
-      if [ "HEAD" = "$branch" ]; then
-        local branch="`git rev-parse --short $branch`"
-      fi
-    fi
+  local git=`~/.cache/zsh/git-prompt`
 
-    if [ "$branch" != "" ]; then
-      local branch=${branch#refs/heads/}
-      # Get the number of commits ahead/behind from the remote branch
-      local remote="`git config branch.$branch.remote 2> /dev/null`"
-      if [ "" != "remote" ]; then
-        local branches="refs/remotes/$remote/$branch...HEAD"
-        local nahead=`git rev-list --right-only $branches --count 2> /dev/null`
-        if [ "0" -ne "$nahead" ]; then local ahead="↑$nahead"; fi
-        local nbehind=`git rev-list --left-only $branches --count 2> /dev/null`
-        if [ "0" -ne "$nbehind" ]; then local behind="↓$nbehind"; fi
-      fi
-
-      # Construct the git prompt
-      local git="%{%F{66}%}$branch%{%f%}$ahead$behind "
-
-      if [ -f ~/.cache/zsh/git-prompt ]; then
-        # Get the change counts from git-prompt
-        local counts=(`~/.cache/zsh/git-prompt`)
-
-        # Parse the results from git-prompt
-        if [ 0 -eq ${#counts[@]} ]; then # clean
-          local git="$git%{%B%F{2}%}✓%{%f%b%}";
-        else
-          if [ 0 != $counts[1] ]; then  # indexed
-            local git="$git%{%F{2}%}*$counts[1]%{%f%}"
-          fi
-          if [ 0 != $counts[2] ]; then  # modified
-            local git="$git%{%F{1}%}+$counts[2]%{%f%}";
-          fi
-          if [ 0 != $counts[3] ]; then  # deleted
-            local git="$git%{%F{1}%}-$counts[3]%{%f%}";
-          fi
-          if [ 0 != $counts[4] ]; then  # unmerged
-            local git="$git%{%B%F{1}%}×$counts[4]%{%f%b%}";
-          fi
-          if [ 0 != $counts[5] ]; then  # untracked
-            local git="$git%{%F{1}%}…%{%f%}";
-          fi
-        fi
-      fi
-    fi
+  # If the last command failed, display its error code at the right
+  if [[ $exit_code -ne 0 ]]; then
+    local result=" %{%B%F{1}%}$exit_code%{%f%b%}"
   fi
 
-  # Construct the prompt string
-  local line="$time_stamp $directory $git"
+  # If a virtualenv is enabled, display it's basename
+  if [[ ! -z "$VIRTUAL_ENV" ]]; then
+    local py=" %{%F{4}%}py%{%f%}%{%F{3}%}$(basename $VIRTUAL_ENV)%{%f%}"
+  fi
+
+  # If docker-machine env is active, display the machines name
+  if [[ ! -z "$DOCKER_MACHINE_NAME" ]]; then
+    local docker=" %{%F{6}%}$DOCKER_MACHINE_NAME%{%f%}"
+  fi
 
   # Print the first line of the prompt
-  if [[ $exit_code -eq 0 ]]; then
-    print -P "$line"
-  else
-    # The last command failed, display its error code at the right
-    local result="%{%B%F{1}%}$exit_code%{%f%b%}"
-    local length=`fresh_visible_length "$line$result"`
-    print -P "$line${(l:COLUMNS - $length - 1:: :)}$result"
-  fi
-}
-
-fresh_rprompt() {
-  rprompt=""
-  if [[ ! -z "$DOCKER_MACHINE_NAME" ]]; then
-    rprompt="$rprompt %{%F{3}%}$DOCKER_MACHINE_NAME%{%f%}"
-  fi
-  if [[ ! -z "$VIRTUAL_ENV" ]]; then
-    rprompt="$rprompt %{%F{3}%}$(basename $VIRTUAL_ENV)%{%f%}"
-  fi
-  echo $rprompt
+  print -P "$time_stamp $directory$git$py$docker$result"
 }
 
 fresh_almostontop() {
@@ -148,70 +95,14 @@ fresh_almostontop() {
   print -P "$PROMPT"'$1'
 }
 
-fresh_visible_length() {
-  echo $(( ${#${(S%%)1//(\%(KF1]|)\{*\}|\%[Bbkf])}} ))
-}
-
 fresh_compile_git_prompt() {
-  # Compile a simple C executable which parses the output of `git status
-  # --procelain` to greatly decrease the time taken to render the prompt
-  local cache=~/.cache/zsh
-  if [ ! -d $cache ]; then mkdir -p $cache; fi
-  if [ ! -f $cache/git-prompt ]; then
-    cc -x c -std=gnu99 -O3 -DNDEBUG -o $cache/git-prompt - 2> /dev/null << EOF
-#include <stdio.h>
-#include <stdlib.h>
-
-int main() {
-  FILE *file = popen("git status --porcelain", "r");
-  if (NULL == file) { return 0; }
-
-  char status[2048];
-  int indexed = 0, modified = 0, deleted = 0, untracked = 0, unmerged = 0;
-
-  while (NULL != fgets(status, sizeof(status) - 1, file)) {
-    char X = status[0];
-    char Y = status[1];
-
-    if (X == '?' && Y == '?') {
-      ++untracked;
-    } else if ((X == 'A' && (Y == 'A' || Y == 'U')) ||
-               (X == 'D' && (Y == 'D' || Y == 'U')) ||
-               (X == 'U' && (Y == 'A' || Y == 'D' || Y == 'D' || Y == 'U'))) {
-      ++unmerged;
-    } else {
-      switch (X) {
-      case ' ':
-        switch (Y) {
-          case 'M': ++modified; break;
-          case 'D': ++deleted; break;
-        } break;
-      case 'D': ++indexed;
-        switch (Y) {
-          case ' ': break;
-          case 'M': ++modified; break;
-        } break;
-      case 'M': case 'A': case 'R': case 'C': ++indexed;
-        switch (Y) {
-          case ' ': break;
-          case 'M': ++modified; break;
-          case 'D': ++deleted; break;
-        } break;
-      }
-    }
-  }
-
-  pclose(file);
-
-  if (indexed || modified || deleted || unmerged || untracked) {
-    printf("%d %d %d %d %d", indexed, modified, deleted, unmerged, untracked);
-  }
-
-  return 0;
-}
-EOF
+  # Compile a simple C program which parses the output of `git status
+  # --procelain` to greatly decrease the time taken to draw the prompt
+  [ ! -d ~/.cache/zsh ] && mkdir -p ~/.cache/zsh
+  if [ ! -f ~/.cache/zsh/git-prompt ]; then
+    cc -std=gnu99 -O3 -DNDEBUG ~/.config/zsh/git-prompt.c -o ~/.cache/zsh/git-prompt
     if [ $? -ne 0 ]; then
-      echo "git prompt disabled, are the system development headers installed?"
+      echo "git-prompt was not compiled, is a C99 toolchain installed?"
     fi
   fi
 }

sandbox/sandbox.plugin.zsh

@@ -1,9 +1,3 @@
-if [[ "" == $SANDBOX_ENV_IN_FILE ]]; then
-  export SANDBOX_ENV_IN_FILE=$AUTOENV_IN_FILE
-fi
-if [[ "" == $SANDBOX_ENV_OUT_FILE ]]; then
-  export SANDBOX_ENV_OUT_FILE=$AUTOENV_OUT_FILE
-fi
 if [[ "" == $SANDBOX_ROOT ]]; then
   export SANDBOX_ROOT=$HOME/Sandbox
 fi
@@ -33,11 +27,11 @@ sandbox() {
       begin=$PWD
       cd $sandbox
 
-      echo "SANDBOX_HOME=\$(dirname -- "\$0:a")" >> $SANDBOX_ENV_IN_FILE
-      echo "SANDBOX_NAME=$2" >> $SANDBOX_ENV_IN_FILE
+      echo "SANDBOX_HOME=\$(dirname -- "\$0:a")" >> .enter
+      echo "SANDBOX_NAME=$2" >> .enter
 
-      echo "unset SANDBOX_NAME" >> $SANDBOX_ENV_OUT_FILE
-      echo "unset SANDBOX_HOME" >> $SANDBOX_ENV_OUT_FILE
+      echo "unset SANDBOX_NAME" >> .exit
+      echo "unset SANDBOX_HOME" >> .exit
 
       git init &> /dev/null
 
@@ -73,7 +67,7 @@ sandbox() {
       rm -rf $sandbox
       ;;
     list)
-      /bin/ls -1 $SANDBOX_ROOT
+      /bin/ls -1 $SANDBOX_ROOT | less -F -K -R -X
       ;;
     enable)
       if [[ "" == $2 ]]; then

zprofile

@@ -1,2 +1,7 @@
 # .zprofile [1] Used for executing user's commands at start, will be sourced
 # when starting as a login shell.
+
+# macOS is obnoxious and overwrites the PATH from a users ~/.zshenv, which is
+# sourced first, in /etc/zprofile by calling `/usr/libexec/path_helper -s` so
+# this is required so that PATH is once again set to the desired value.
+[ `uname` = Darwin ] && source ~/.zshenv

zshenv

@@ -5,22 +5,35 @@
 # Enable saving command history to file
 [ ! -d $HOME/.cache/zsh ] && mkdir -p $HOME/.cache/zsh
 HISTFILE=$HOME/.cache/zsh/histfile
-HISTSIZE=5000
-SAVEHIST=5000
+HISTSIZE=20000
+SAVEHIST=20000
+
+# Remove vi mode switch delay
+KEYTIMEOUT=1
 
 # Enable time stats for long lasting commands
 REPORTTIME=5
 
-# Add Homebrew python to PATH on macOS if present
-[ "`uname`" = "Darwin" ] && [ -d /usr/local/opt/python/libexec/bin ] &&
-  PATH=/usr/local/opt/python/libexec/bin:$PATH
-
 # Add ~/.local to the environment
 fpath+=$HOME/.local/share/zsh/site-functions
 PATH=$HOME/.local/bin:$PATH
 MANPATH=$HOME/.local/share/man:$MANPATH
 INFOPATH=$HOME/.local/share/info:$INFOPATH
 
+if [ `uname` = Darwin ]; then
+  [ -f /usr/local/bin/ccache ] && \
+    PATH=/usr/local/opt/ccache/libexec:$PATH
+else
+  [ -f /usr/bin/ccache ] && \
+    PATH=/usr/lib/ccache:$PATH
+fi
+
+# Remove duplicates from environment variables
+typeset -U fpath
+typeset -U PATH;      export PATH
+typeset -U MANPATH;   export MANPATH
+typeset -U INFOPATH;  export INFOPATH
+
 # Use ~/.local for pip installs on macOS
 [ "`uname`" = "Darwin" ] && export PYTHONUSERBASE=$HOME/.local
 

zshrc

@@ -32,18 +32,19 @@ source-plugin build
 source-plugin sandbox
 
 # Layout tmux window commands
-source-plugin layout
+[ "$TMUX" != "" ] && source-plugin layout
 
 # Note taking commands
 source-plugin notes
 
 # Remove duplicates from history
-setopt hist_ignore_all_dups
-setopt hist_reduce_blanks
-setopt hist_save_no_dups
+setopt histignoredups
 
 # Enable multi-terminal history
-setopt inc_append_history
+setopt share_history
+
+# Disable error when no glob matches are found
+setopt nonomatch
 
 # Enable comments in the prompt
 setopt interactive_comments
@@ -52,10 +53,13 @@ setopt interactive_comments
 setopt ignore_eof
 
 # Disable sound
-unsetopt beep
+setopt nobeep
 
 # Disable tty flow control, allows vim to use '<Ctrl>S'
-unsetopt flow_control && stty -ixon
+setopt noflowcontrol; stty -ixon
+
+# Enable completions in the middle of a word
+setopt completeinword
 
 # Initialize completions
 autoload -U compinit
@@ -82,6 +86,9 @@ prompt fresh
 # Enable vi mode line editor keymap
 bindkey -v
 
+# Enable backspace after returning to viins from vicmd mode
+bindkey '^?' backward-delete-char
+
 # Enable yank, change, and delete whole line with 'Y', 'cc', and 'dd'
 bindkey -M vicmd 'Y' vi-yank-whole-line
 
@@ -158,22 +165,6 @@ fi
 # Load work related config
 [ -f ~/.config/work/zshrc ] && source ~/.config/work/zshrc
 
-# Remove duplicates from environment variables
-typeset -U PATH
-typeset -U MANPATH
-typeset -U INFOPATH
-
-# Add ccache symlink directory to start of PATH, this must be after
-# `typeset -U PATH` because on macOS this reorders the list so ccache's
-# symlinks will no longer be at the start of PATH rendering it unusable.
-if [ `uname` = Darwin ]; then
-  [ -f /usr/local/bin/ccache ] && \
-    PATH=/usr/local/opt/ccache/libexec:$PATH
-else
-  [ -f /usr/bin/ccache ] && \
-    PATH=/usr/lib/ccache:$PATH
-fi
-
 # Aliases
 alias grep='grep --color=always'
 which cmake &> /dev/null && \