From 7bfc78c5dced4b7cbb015eb1a090a8e5a2a7676a Mon Sep 17 00:00:00 2001
From: mokou <mokou@fastmail.com>
Date: Wed, 3 Aug 2022 15:52:43 +0200
Subject: [PATCH] add fish prompt

---
 dot_config/fish/functions/fish_prompt.fish | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 dot_config/fish/functions/fish_prompt.fish

diff --git a/dot_config/fish/functions/fish_prompt.fish b/dot_config/fish/functions/fish_prompt.fish
new file mode 100644
index 0000000..3d5362d
--- /dev/null
+++ b/dot_config/fish/functions/fish_prompt.fish
@@ -0,0 +1,73 @@
+# name: sashimi
+function fish_prompt
+  set -l last_status $status
+  set -l cyan (set_color -o cyan)
+  set -l yellow (set_color -o yellow)
+  set -g red (set_color -o red)
+  set -g blue (set_color -o blue)
+  set -l green (set_color -o green)
+  set -g normal (set_color normal)
+
+  set -l ahead (_git_ahead)
+  set -g whitespace ' '
+
+  if test $last_status = 0
+    set initial_indicator "$green◆"
+    set status_indicator "$normal❯$cyan❯$green❯"
+  else
+    set initial_indicator "$red✖ $last_status"
+    set status_indicator "$red❯$red❯$red❯"
+  end
+  set -l cwd $cyan(basename (prompt_pwd))
+
+  if [ (_git_branch_name) ]
+
+    if test (_git_branch_name) = 'master'
+      set -l git_branch (_git_branch_name)
+      set git_info "$normal git:($red$git_branch$normal)"
+    else
+      set -l git_branch (_git_branch_name)
+      set git_info "$normal git:($blue$git_branch$normal)"
+    end
+
+    if [ (_is_git_dirty) ]
+      set -l dirty "$yellow ✗"
+      set git_info "$git_info$dirty"
+    end
+  end
+
+  # Notify if a command took more than 5 minutes
+  if [ "$CMD_DURATION" -gt 300000 ]
+    echo The last command took (math "$CMD_DURATION/1000") seconds.
+  end
+
+  echo -n -s $initial_indicator $whitespace $cwd $git_info $whitespace $ahead $status_indicator $whitespace
+end
+
+function _git_ahead
+  set -l commits (command git rev-list --left-right '@{upstream}...HEAD' 2>/dev/null)
+  if [ $status != 0 ]
+    return
+  end
+  set -l behind (count (for arg in $commits; echo $arg; end | grep '^<'))
+  set -l ahead  (count (for arg in $commits; echo $arg; end | grep -v '^<'))
+  switch "$ahead $behind"
+    case ''     # no upstream
+    case '0 0'  # equal to upstream
+      return
+    case '* 0'  # ahead of upstream
+      echo "$blue↑$normal_c$ahead$whitespace"
+    case '0 *'  # behind upstream
+      echo "$red↓$normal_c$behind$whitespace"
+    case '*'    # diverged from upstream
+      echo "$blue↑$normal$ahead $red↓$normal_c$behind$whitespace"
+  end
+end
+
+function _git_branch_name
+  echo (command git symbolic-ref HEAD 2>/dev/null | sed -e 's|^refs/heads/||')
+end
+
+function _is_git_dirty
+  echo (command git status -s --ignore-submodules=dirty 2>/dev/null)
+end