Initial theme import

themes/numist/fish_prompt.fish

+function fish_prompt
+  set -l last_status $status
+
+  # Colours
+  set -l cyan (set_color -o cyan)
+  set -l yellow (set_color -o yellow)
+  set -l green (set_color -o green)
+  set -l red (set_color -o red)
+  set -l blue (set_color -o blue)
+  set -l magenta (set_color magenta)
+  set -l white (set_color white)
+  set -l normal (set_color normal)
+
+  # Prints first argument left-aligned, second argument right-aligned, newline
+  function _rprint
+    if [ (count $argv) = 1 ]
+      echo -s $argv
+    else
+      set -l arglength (echo -n -s "$argv[1]$argv[2]" | perl -le 'while (<>) {
+        s/ \e[ #%()*+\-.\/]. |
+           (?:\e\[|\x9b) [ -?]* [@-~] | # CSI ... Cmd
+           (?:\e\]|\x9d) .*? (?:\e\\|[\a\x9c]) | # OSC ... (ST|BEL)
+           (?:\e[P^_]|[\x90\x9e\x9f]) .*? (?:\e\\|\x9c) | # (DCS|PM|APC) ... ST
+           \e.|[\x80-\x9f] //xg;
+        print;
+      }' | awk '{printf length;}')
+
+      set -l termwidth (tput cols)
+
+      set -l padding
+      if [ $arglength -lt $termwidth ]
+        set padding (printf "%0"(math $termwidth - $arglength)"d"|tr "0" " ")
+      end
+
+      echo -s "$argv[1]$padding$argv[2]"
+    end
+  end
+
+  # Unconditional stuff
+  set -l basic_prompt $yellow(whoami)$normal" at "$green(hostname -s)$normal" in "$blue(pwd)" "
+
+  # Prompt
+  set -l prompt
+  if [ "$UID" = "0" ]
+    set prompt "$red# "
+  else
+    set prompt "$normal% "
+  end
+
+  # Git stuff
+  set -l git_info
+  if [ (git rev-parse --is-inside-work-tree ^/dev/null) ]
+    # Get the current branch name/commit
+    set -l git_branch_name (git symbolic-ref HEAD ^/dev/null | sed -e 's|^refs/heads/||')
+    if [ -z $git_branch_name ]
+      set git_branch_name (git show-ref --head -s --abbrev | head -n1 2> /dev/null)
+    end
+
+    # Unconditional git component
+    set git_info "$normal""on $white$git_branch_name"
+
+    if [ (git status -s --ignore-submodules=dirty | wc -l) -gt 0 ]
+      set git_info "$git_info$yellow*"
+    end
+
+    set git_info "$git_info "
+  end
+
+  # Job count
+  set -l job_info
+  set -l job_count (jobs -c | wc -l | awk '{ print $1; }')
+  if [ $job_count -gt 0 ]
+    if [ $job_count -eq 1 ]
+      set job_info "$magenta""($job_count job)"
+    else
+      set job_info "$magenta""($job_count jobs)"
+    end
+  end
+
+  # Last command
+  set -l status_info
+  if [ $last_status -ne 0 ]
+    set status_info "$red""command failed with status: $last_status"
+  end
+
+  # WTB: time spend on last command (if ≥ 1s)
+
+  ##################################################
+  # Output
+  if [ -n $status_info ]
+    echo -s $status_info
+  end
+  _rprint "$basic_prompt$git_info" $job_info
+  echo -n -s $prompt
+
+end