Prototype for trying out blesh

Recommendations came from this blog post:
    https://blog.gitbutler.com/how-git-core-devs-configure-git/

Let's see how this works out lol

Test

.gitmodules

@@ -61,3 +61,6 @@
 [submodule "vim/.vim/nvim-bundle/zk-nvim"]
 	path = vim/.vim/nvim-bundle/zk-nvim
 	url = https://github.com/zk-org/zk-nvim.git
+[submodule "vim/.vim/bundle/vim-helm"]
+	path = vim/.vim/bundle/vim-helm
+	url = https://github.com/towolf/vim-helm.git

bash/.bashrc

@@ -1,104 +1,7 @@
 #{- ~/.bashrc -}#
 
-#{- PROMPT -}#
-
-if which tput &> /dev/null && tput bold &> /dev/null; then
-  red="\001$(tput bold)$(tput setaf 1)\002"
-  green="\001$(tput bold)$(tput setaf 2)\002"
-  yellow="\001$(tput bold)$(tput setaf 3)\002"
-  blue="\001$(tput bold)$(tput setaf 4)\002"
-  magenta="\001$(tput bold)$(tput setaf 5)\002"
-  cyan="\001$(tput bold)$(tput setaf 6)\002"
-  no_color="\001$(tput sgr0)\002"
-else
-  red="\[\033[1;31m\]"
-  green="\[\033[1;32m\]"
-  yellow="\[\033[1;33m\]"
-  blue="\[\033[1;34m\]"
-  magenta="\[\033[1;35m\]"
-  cyan="\[\033[1;36m\]"
-  no_color="\[\033[0m\]"
-fi
-
-
-export PS1="${green}"'\$'"${no_color} "
-export DIRENV_PS1="${red}"'\$'"${no_color} "
-export NIX_SHELL_PS1="${blue}"'λ'"${no_color} "
-if [ "${HOSTNAME}" != "crypt" ] && [ "${HOSTNAME}" != "tomb" ] || [ "${CONTAINER_ID}" != "" ] || [ "${SSH_TTY}" != "" ]; then
-  if [ "${CONTAINER_ID}" ]; then
-    OLD_HOSTNAME="${HOSTNAME}"
-    HOSTNAME="${CONTAINER_ID}"
-  fi
-
-  DIRENV_PS1="${DIRENV_PS1}${blue}${HOSTNAME} ${DIRENV_PS1}"
-  NIX_SHELL_PS1="${NIX_SHELL_PS1}${green}${HOSTNAME} ${NIX_SHELL_PS1}"
-
-  if [ "${CONTAINER_ID}" ]; then
-    PS1="${PS1}${magenta}${HOSTNAME} ${PS1}"
-  else
-    PS1="${PS1}${blue}${HOSTNAME} ${PS1}"
-  fi
-
-  if [ "${CONTAINER_ID}" ]; then
-    HOSTNAME="${OLD_HOSTNAME}"
-  fi
-fi
-export ORIG_PS1=${PS1}
-
-if which direnv &> /dev/null; then
-  update_prompt() {
-    if [ -n "${IN_NIX_SHELL}" ]; then
-      PS1=${NIX_SHELL_PS1}
-    elif direnv status | grep -iEq 'RC allowed (true|0)'; then
-      PS1=${DIRENV_PS1}
-    else
-      PS1=${ORIG_PS1}
-    fi
-  }
-  PROMPT_COMMAND="update_prompt; $PROMPT_COMMAND"
-fi
-
-# Continuation Prompt: "> " in cyan
-export PS2="${cyan}>${no_color} "
-# Debugging Prompt: "# " in blue
-export PS4="${blue}#${no_color} "
-
-#{- HISTORY -}#
-
-PROMPT_COMMAND="history -n; history -w; history -c; history -r; $PROMPT_COMMAND"
-# PROMPT_COMMAND="echo hist1; history; history -n; echo hist2; history; history -w; echo hist3; history; history -c; echo hist4; history; history -r; echo hist5; history; $PROMPT_COMMAND"
-export HISTFILE="$HOME/.history/bash"
-export HISTTIMEFORMAT="%F %T  "
-export HISTCONTROL="erasedups:ignoreboth"
-export HISTFILESIZE=-1
-export HISTSIZE=-1
-
-export PERSISTENT_HISTFILE="${HOME}/.history/bash_persistent_history"
-log_bash_persistent_history()
-{
-  local rc=$?
-  [[
-    $(history 1) =~ ^\ *[0-9]+\ +([^\ ]+\ [^\ ]+)\ +(.*)$
-  ]]
-  local date_part="${BASH_REMATCH[1]}"
-  local command_part="${BASH_REMATCH[2]}"
-  # Ensure file exists
-  if ! [ -w "$(dirname ${PERSISTENT_HISTFILE})" ]; then
-    mkdir -p $(dirname ${PERSISTENT_HISTFILE})
-  fi
-  if [ "$command_part" != "$PERSISTENT_HISTORY_LAST" ]
-  then
-    echo $date_part "|" "$rc" "|" "$command_part" >> "${PERSISTENT_HISTFILE}"
-    export PERSISTENT_HISTORY_LAST="$command_part"
-  fi
-}
-
-PROMPT_COMMAND="log_bash_persistent_history; $PROMPT_COMMAND"
-
-
 #{- SOURCING -}#
 
-
 # Source profile, if it hasn't already been loaded
 if [ -z "$__PROFILE_DONE" ]; then
   . $HOME/.profile
@@ -133,6 +36,121 @@ if [ -f "$HOME/.private_functions" ] && [ -r "$HOME/.private_functions" ]; then
   . "$HOME/.private_functions"
 fi
 
+if blesh-available; then
+  # blesh-activate
+  :
+fi
+
+#{- PROMPT -}#
+
+if which tput &> /dev/null && tput bold &> /dev/null; then
+  red="\001$(tput bold)$(tput setaf 1)\002"
+  green="\001$(tput bold)$(tput setaf 2)\002"
+  yellow="\001$(tput bold)$(tput setaf 3)\002"
+  blue="\001$(tput bold)$(tput setaf 4)\002"
+  magenta="\001$(tput bold)$(tput setaf 5)\002"
+  cyan="\001$(tput bold)$(tput setaf 6)\002"
+  no_color="\001$(tput sgr0)\002"
+else
+  red="\[\033[1;31m\]"
+  green="\[\033[1;32m\]"
+  yellow="\[\033[1;33m\]"
+  blue="\[\033[1;34m\]"
+  magenta="\[\033[1;35m\]"
+  cyan="\[\033[1;36m\]"
+  no_color="\[\033[0m\]"
+fi
+
+export PS1="${green}"'\$'"${no_color} "
+export DIRENV_PS1="${red}"'\$'"${no_color} "
+export NIX_SHELL_PS1="${blue}"'λ'"${no_color} "
+if [ "${HOSTNAME}" != "crypt" ] && [ "${HOSTNAME}" != "tomb" ] || [ "${CONTAINER_ID}" != "" ] || [ "${SSH_TTY}" != "" ]; then
+  if [ "${CONTAINER_ID}" ]; then
+    OLD_HOSTNAME="${HOSTNAME}"
+    HOSTNAME="${CONTAINER_ID}"
+  fi
+
+  DIRENV_PS1="${DIRENV_PS1}${blue}${HOSTNAME} ${DIRENV_PS1}"
+  NIX_SHELL_PS1="${NIX_SHELL_PS1}${green}${HOSTNAME} ${NIX_SHELL_PS1}"
+
+  if [ "${CONTAINER_ID}" ]; then
+    PS1="${PS1}${magenta}${HOSTNAME} ${PS1}"
+  else
+    PS1="${PS1}${blue}${HOSTNAME} ${PS1}"
+  fi
+
+  if [ "${CONTAINER_ID}" ]; then
+    HOSTNAME="${OLD_HOSTNAME}"
+  fi
+fi
+export ORIG_PS1=${PS1}
+
+if which direnv &> /dev/null; then
+  update_prompt() {
+    if [ -n "${IN_NIX_SHELL}" ]; then
+      PS1=${NIX_SHELL_PS1}
+    elif direnv status | grep -iEq 'RC allowed (true|0)'; then
+      PS1=${DIRENV_PS1}
+    else
+      PS1=${ORIG_PS1}
+    fi
+  }
+  prompt_command_prepend "update_prompt"
+fi
+
+# Continuation Prompt: "> " in cyan
+export PS2="${cyan}>${no_color} "
+# Debugging Prompt: "# " in blue
+export PS4="${blue}#${no_color} "
+
+#{- HISTORY -}#
+
+if blesh-attached; then
+  bleopt history_share=1
+else
+  prompt_command_prepend "history -r"
+  prompt_command_prepend "history -c"
+  prompt_command_prepend "history -w"
+  prompt_command_prepend "history -n"
+fi
+export HISTFILE="$HOME/.history/bash"
+export HISTTIMEFORMAT="%F %T  "
+export HISTCONTROL="erasedups:ignoreboth"
+export HISTFILESIZE=-1
+export HISTSIZE=-1
+
+export PERSISTENT_HISTFILE="${HOME}/.history/bash_persistent_history"
+log_bash_persistent_history()
+{
+  local rc=$?
+  [[
+    $(history 1) =~ ^\ *[0-9]+\ +([^\ ]+\ [^\ ]+)\ +(.*)$
+  ]]
+  local date_part="${BASH_REMATCH[1]}"
+  local command_part="${BASH_REMATCH[2]}"
+  # Ensure file exists
+  if ! [ -w "$(dirname ${PERSISTENT_HISTFILE})" ]; then
+    mkdir -p $(dirname ${PERSISTENT_HISTFILE})
+  fi
+  if [ "$command_part" != "$PERSISTENT_HISTORY_LAST" ]
+  then
+    echo $date_part "|" "$rc" "|" "$command_part" >> "${PERSISTENT_HISTFILE}"
+    export PERSISTENT_HISTORY_LAST="$command_part"
+  fi
+}
+
+prompt_command_prepend "log_bash_persistent_history"
+
+# Source bash completion, this file will then lazy load all other completions
+source_completions() {
+  if [ -r "/usr/share/bash-completion/bash_completion" ]; then
+    . "/usr/share/bash-completion/bash_completion"
+  elif [ -r "/etc/bash_completion" ]; then
+    . "/etc/bash_completion"
+  fi
+}
+source_completions
+
 # Preserve the usefulness of set -x by attempting to hide everything that
 # happens in prompt_command
 preserve_xtrace() {
@@ -148,8 +166,12 @@ preserve_xtrace_reset() {
   fi
 } 2>/dev/null
 
-PROMPT_COMMAND="preserve_xtrace; $PROMPT_COMMAND preserve_xtrace_reset"
+prompt_command_prepend "preserve_xtrace"
+prompt_command_append  "preserve_xtrace_reset"
 
 if $(which direnv &> /dev/null); then
-  eval "$(direnv hook bash)"
+  # Only if direnv isn't already defined in our prompt_command
+  if ! grep -q _direnv_hook <<< $PROMPT_COMMAND; then
+    eval "$(direnv hook bash)"
+  fi
 fi

bash/.functions

@@ -18,6 +18,85 @@ maths()
 
 cat_with_newline()
 {
-  cat "$@" && echo
+  \cat "$@" && echo
 }
 alias cat="cat_with_newline"
+
+k_prompt()
+{
+  set -x
+  if [ -z ${KUBE_PROMPT+x} ]; then
+    export KUBE_PROMPT=1
+  else
+    unset KUBE_PROMPT
+  fi
+  set +x
+}
+
+kube_prompt()
+{
+  set -x
+  if ! [ -z ${KUBE_PROMPT+x} ]; then
+    context=$(\cat ${KUBECONFIG} \
+              | grep "current-context: " \
+              | sed "s/current-context: //")
+    echo {$context}
+  fi
+  set +x
+}
+
+g_prompt()
+{
+  if ! [ -z ${GIT_PROMPT+x} ]; then
+    export GIT_PROMPT=1
+  else
+    unset GIT_PROMPT
+  fi
+}
+
+git_prompt()
+{
+  if ! [ -z ${GIT_PROMPT+x} ]; then
+    # Determine if we are in a git repository
+    if git rev-parse --is-inside-work-tree &> /dev/null; then
+      branch=$(git rev-parse --abbrev-ref HEAD)
+      echo [$branch]
+    fi
+  fi
+}
+
+prompt_command_append() {
+  arg=${1}
+  PROMPT_COMMAND=${PROMPT_COMMAND:+"$PROMPT_COMMAND; "}"${arg}"
+}
+
+prompt_command_prepend() {
+  arg=${1}
+  PROMPT_COMMAND="${arg}"${PROMPT_COMMAND:+"; $PROMPT_COMMAND"}
+}
+
+blesh-activate()
+{
+  BLESH_PATH=$HOME/.nix-profile/share/blesh/ble.sh
+  if [ -r $BLESH_PATH ]; then
+    [[ $- == *i* ]] && . $HOME/.nix-profile/share/blesh/ble.sh
+    [[ ! ${BLE_VERSION-} ]] || ble-attach
+  fi
+}
+
+blesh-available() {
+  BLESH_PATH=$HOME/.nix-profile/share/blesh/ble.sh
+  if [ -r $BLESH_PATH ]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+blesh-attached () {
+  if [ -z ${BLE_VERSION:+x} ]; then
+    return 1
+  else
+    return 0
+  fi
+}

install.sh

@@ -6,6 +6,7 @@ set -ex
 echo "PWD: $PWD"
 # Coder dotfiles (and most other ways of doing this) will not do a recursive clone, so do that in install script.
 git submodule init && git submodule update
+
 # Match case insensitively to make things easier for this part
 shopt -s nocasematch
 

installers/install-nix.sh

@@ -7,8 +7,12 @@ set -e
 set -x
 
 # Abort installation if Nix is already installed
-if [ -d /nix ]; then
+if [ -d /nix/store ]; then
   exit 0
+elif [ -d /nix ] && ! [ -O /nix ]; then
+  # If we don't own /nix use sudo to chown it.
+  # If we can't sudo then nothing we do here will work so we just let this fail
+  sudo chown $UID /nix
 fi
 
 # Workaround to make a single user install work as root

screen/.config/screen/screenrc

@@ -1,5 +1,5 @@
 # Defaults to using bash as the shell
-defshell bash
+defshell $SHELL
 # Extend scrollback buffer
 defscrollback 100000
 # Disable startup message

xdg/.config/xdg/env

@@ -9,3 +9,6 @@ export GNUPGHOME="$XDG_DATA_HOME"/gnupg
 export MYSQL_HISTFILE="$XDG_DATA_HOME"/mysql_history
 export INPUTRC="$XDG_CONFIG_HOME"/readline/inputrc
 export IRBRC="$XDG_CONFIG_HOME/irb/irbrc"
+
+export KUBECONFIG="${XDG_CONFIG_HOME}/kube/config"
+mkdir -p "$(dirname ${KUBECONFIG})"

xdg/.local/bin/enable-xdg-legacy-support

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# For older systems that don't support newer versions of programs that may
+# support XDG config paths natively we have to symlink to the new paths from 
+# the expected locations of the older paths.
+
+# This can also be used to support migrations from systems before we started XDGifying
+
+ln -s "${XDG_CONFIG_HOME}/screen/screenrc" "${HOME}/.screenrc"
+ln -s "${XDG_DATA_HOME}/.gnupg" "${HOME}/.gnupg"
+ln -s "${XDG_DATA_HOME}/mysql_history" "${HOME}/.mysql_history"
+ln -s "${XDG_CONFIG_HOME}/readline/inputrc" "${HOME}/.inputrc"
+ln -s "${XDG_CONFIG_HOME}/irb/irbc" "${HOME}/.irbrc"
+ln -s "${XDG_CONFIG_HOME}/kube/config" "${HOME}/.kubeconfig"