From 03631267c87955a4276319e5afeb8576cdc0a42f Mon Sep 17 00:00:00 2001
From: Plom Heller <plom@plomlompom.com>
Date: Fri, 25 Sep 2026 02:28:28 +0200
Subject: [PATCH] Also enhance root prompt, but differentiate prompt colors.

---
 CLAUDE.md                               | 25 ++++++++++++++++---------
 home/{user => any}/.profile.d/prompt.sh | 10 ++++++++--
 home/root/.config/prompt_color_number   |  1 +
 home/user/.config/prompt_color_number   |  1 +
 4 files changed, 26 insertions(+), 11 deletions(-)
 rename home/{user => any}/.profile.d/prompt.sh (62%)
 create mode 100644 home/root/.config/prompt_color_number
 create mode 100644 home/user/.config/prompt_color_number

diff --git a/CLAUDE.md b/CLAUDE.md
index 5c6d9a6..d7235c9 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -689,6 +689,18 @@ in `.profile.d/` as `*.sh`, sourced by the loop line in `~/.profile`.
   `LS_COLORS` is empty: a shell reached via `su -l` (root's, from the user)
   loses foot's `COLORTERM`, and `dircolors` has no database entry for foot's
   `TERM=foot`, which would otherwise leave `ls` uncolored.
+- `.profile.d/prompt.sh` — colored (bold) `[<date>/<time>/<zone>
+  user@host:path]$` `PS1`, with `PS2`/`PS3`/`PS4` matching. The `tput setaf`
+  color number is read from `~/.config/prompt_color_number` (see below),
+  falling back to `COLOR_DEFAULT` (7, white) if that's unreadable, so an
+  account without the file still gets a working prompt. Colors from `tput`;
+  `\D{...}`/`\u`/`\h`/`\w` instead of forked `date`/`pwd`. In bash the
+  colors are wrapped in `\[ \]` for readline's width counting, except `PS3`
+  (printed verbatim by `select`; bare codes). Helpers are `local`s of a
+  throwaway `_dot_profile_dot_prompt` function, unset after the call. Takes
+  effect because the loop line sits at the very end of `~/.profile`, after
+  Debian's stock one has sourced `~/.bashrc` (which sets its own `PS1`), so
+  this fragment gets the last word.
 
 ### `home/root/` and `home/user/`
 
@@ -699,21 +711,16 @@ in `.profile.d/` as `*.sh`, sourced by the loop line in `~/.profile`.
   Why: the `60-poweroff-on-failure.conf` drop-in only guards a hibernate
   failure reached through systemd's own unit, not a direct
   `systemctl hibernate`; `hibernate_safe` closes that gap.
+- `.config/prompt_color_number` (both, differing) — the prompt color read
+  by `prompt.sh`: 1 (red) for root, 2 (green) for the user. A plain data
+  file, so an account owner can swap the symlink for a file of their own,
+  which `link_home` then leaves alone.
 
 ### `home/user/` only
 
 - `.profile.d/ssh-agent.sh` — starts `ssh-agent` and `ssh-add -q` once per
   login, guarded by `[ -z "${SSH_AGENT_PID}" ]` (so e.g. a second `foot`
   window doesn't start another). Root needs no agent.
-- `.profile.d/prompt.sh` — colored (bold, `COLOR_NUMBER`, default green)
-  `[<date>/<time>/<zone> user@host:path]$` `PS1`, with `PS2`/`PS3`/`PS4`
-  matching. Colors from `tput`; `\D{...}`/`\u`/`\h`/`\w` instead of forked
-  `date`/`pwd`. In bash the colors are wrapped in `\[ \]` for readline's
-  width counting, except `PS3` (printed verbatim by `select`; bare codes).
-  Helpers are `local`s of a throwaway `_dot_profile_dot_prompt` function,
-  unset after the call. Takes effect because the loop line sits at the very
-  end of `~/.profile`, after Debian's stock one has sourced `~/.bashrc`
-  (which sets its own `PS1`), so this fragment gets the last word.
 - `.profile.d/kb.sh` — `kb` alias: `swaymsg 'input * xkb_switch_layout next'`.
 - `.gitconfig` — minimal `[user]` section.
 - `.config/foot/foot.ini` — `font=monospace:size=14.5` and
diff --git a/home/user/.profile.d/prompt.sh b/home/any/.profile.d/prompt.sh
similarity index 62%
rename from home/user/.profile.d/prompt.sh
rename to home/any/.profile.d/prompt.sh
index c543779..3387c2b 100644
--- a/home/user/.profile.d/prompt.sh
+++ b/home/any/.profile.d/prompt.sh
@@ -1,8 +1,14 @@
 _dot_profile_dot_prompt() {
-    local COLOR_NUMBER=2
+    local COLOR_NUMBER
     local COLOR_ON
     local COLOR_OFF
-    COLOR_ON="$(tput setaf "${COLOR_NUMBER}" 2>/dev/null)$(tput bold 2>/dev/null)"
+    local COLOR_DEFAULT=7
+    local PATH_COLOR_NUMBER="${HOME}/.config/prompt_color_number"
+    # tput setaf numbers, e.g. 1 red, 2 green, 7 white
+    COLOR_NUMBER=$(cat "${PATH_COLOR_NUMBER}" 2>/dev/null) \
+        || COLOR_NUMBER="${COLOR_DEFAULT}"
+    COLOR_ON="$(tput setaf "${COLOR_NUMBER}" 2>/dev/null)"
+    COLOR_ON="${COLOR_ON}$(tput bold 2>/dev/null)"
     COLOR_OFF="$(tput sgr0 2>/dev/null)"
     # Bash confuses the line length when not told not to count escape
     # sequences. PS3 is printed verbatim by "select", so it must get the
diff --git a/home/root/.config/prompt_color_number b/home/root/.config/prompt_color_number
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/home/root/.config/prompt_color_number
@@ -0,0 +1 @@
+1
diff --git a/home/user/.config/prompt_color_number b/home/user/.config/prompt_color_number
new file mode 100644
index 0000000..d8263ee
--- /dev/null
+++ b/home/user/.config/prompt_color_number
@@ -0,0 +1 @@
+2
\ No newline at end of file
-- 
2.30.2