[zsh] fix prompt for SSH sessions
authorAndrew Lorimer <andrew@lorimer.id.au>
Thu, 25 Sep 2025 13:00:38 +0000 (23:00 +1000)
committerAndrew Lorimer <andrew@lorimer.id.au>
Thu, 25 Sep 2025 13:04:47 +0000 (23:04 +1000)
zsh/.oh-my-zsh/custom/themes/custom.zsh-theme [new file with mode: 0644]
diff --git a/zsh/.oh-my-zsh/custom/themes/custom.zsh-theme b/zsh/.oh-my-zsh/custom/themes/custom.zsh-theme
new file mode 100644 (file)
index 0000000..16ce024
--- /dev/null
@@ -0,0 +1,75 @@
+# zsh theme by Andrew Lorimer <https://lorimer.id.au>
+
+# Prompt:
+# %F => Color codes
+# %f => Reset color
+# %~ => Current path
+# %(x.true.false) => Specifies a ternary expression
+#   ! => True if the shell is running with root privileges
+#   ? => True if the exit status of the last command was success
+#
+# Git:
+# %a => Current action (rebase/merge)
+# %b => Current branch (hide if master)
+# %c => Staged changes
+# %u => Unstaged changes
+#
+# Terminal:
+# \n => Newline/Line Feed (LF)
+
+setopt PROMPT_SUBST
+
+autoload -U add-zsh-hook
+autoload -Uz vcs_info
+
+# Use 256 colours if available
+if [[ "${terminfo[colors]}" -ge 256 ]]; then
+  color0="%F{107}"   # blue    context/angle bracket
+  color1="%F{256}"  # white   pwd text
+  color2="%F{245}"  # grey    git branch text
+  color3="%F{167}"  # red     error/untracked
+  color4="%F{209}"  # orange  warning/unstaged/suspended
+  color5="%F{107}"  # green   success/staged
+else    # Fall back to standard ANSI names
+  color0="%F{blue}"
+  color1="%F{white}"
+  color2="%F{cyan}"
+  color3="%F{red}"
+  color4="%F{yellow}"
+  color5="%F{green}"
+fi
+reset="%{%f%}"
+
+FMT_VCS_STATUS="%{$color2%}%b%u%c%{%f%} "
+
+zstyle ':vcs_info:*' enable git
+zstyle ':vcs_info:*' check-for-changes true
+zstyle ':vcs_info:*' unstagedstr    "%{%f%} %{$color4%}●"
+zstyle ':vcs_info:*' stagedstr      "%{%f%} %{$color5%}✚"
+zstyle ':vcs_info:*' actionformats  "(%{$color5%}%a%{%f%})${FMT_VCS_STATUS}"
+zstyle ':vcs_info:*' formats        "${FMT_VCS_STATUS}"
+zstyle ':vcs_info:*' nvcsformats    ""  # return nothing when no VCS in pwd
+zstyle ':vcs_info:git*+set-message:*' hooks git-untracked
+
+# Check for untracked files
++vi-git-untracked() {
+    if [[ $(git rev-parse --is-inside-work-tree 2> /dev/null) == 'true' ]] && \
+            git status --porcelain | grep --max-count=1 '^??' &> /dev/null; then
+        hook_com[staged]+="%{%f%} %{$color3%}●"
+    fi
+}
+
+add-zsh-hook precmd vcs_info
+
+# Context (user@host)
+if [[ "$SSH_CLIENT" ]]; then
+  #context="%{$color0%}%n@%m "
+  context='%{$color0%}%n@%m%f '
+fi
+
+# Check for suspended processes
+checkjobs() {
+  [[ $(jobs -l | wc -l) -gt 0 ]] && echo "%{$color4%}● "
+}
+
+PROMPT='%1(j.'$color4'● .)'$context'%~ ${vcs_info_msg_0_//master/} %(?.'$color0'.'$color3')%(!.#.❯)%f '