From dda5fcc7844998c614e6cff873221b1860e381a9 Mon Sep 17 00:00:00 2001
From: anmiller <anmiller@penguinrandomhouse.com>
Date: Tue, 12 Aug 2025 21:41:41 +0000
Subject: [PATCH] Update prompt manipulation with functions!

---
 bash/.bashrc    | 198 ++++++++++++++++++++++++------------------------
 bash/.functions |  10 +++
 2 files changed, 110 insertions(+), 98 deletions(-)

diff --git a/bash/.bashrc b/bash/.bashrc
index eb77333..f226930 100644
--- a/bash/.bashrc
+++ b/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
   . $HOME/.profile
@@ -133,6 +36,104 @@ if [ -f "$HOME/.private_functions" ] && [ -r "$HOME/.private_functions" ]; then
   . "$HOME/.private_functions"
 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 -}#
+
+prompt_command_prepend "history -r"
+prompt_command_prepend "history -c"
+prompt_command_prepend "history -w"
+prompt_command_prepend "history -n"
+# 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_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
@@ -158,7 +159,8 @@ 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)"
diff --git a/bash/.functions b/bash/.functions
index 5b3ebbe..9915fb3 100644
--- a/bash/.functions
+++ b/bash/.functions
@@ -64,3 +64,13 @@ git_prompt()
     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"}
+}