Added `powermeli.zsh-theme`, removed Agnoster theme and git plugin along with their autodownload functionality from `.zshrc`

zsh/.config/zsh/plugins/powermeli.zsh-theme

@@ -0,0 +1,118 @@
+#!/bin/zsh
+# Theme: powermeli
+# Description: Complete rewrite of omz's Agnoster theme with no bloat
+# Original:
+# - https://github.com/ohmyzsh/ohmyzsh/blob/master/themes/agnoster.zsh-theme
+# Dependencies:
+# - https://github.com/Lokaltog/powerline-fonts
+# - git
+# See:
+# - https://zsh.sourceforge.io/Doc/Release/Prompt-Expansion.html
+# - https://zsh.sourceforge.io/Doc/Release/User-Contributions.html#vcs_005finfo-Configuration
+# - https://wiki.archlinux.org/title/zsh#Prompts
+
+SEGMENT_SEPARATOR= # $'\ue0b0'
+
+PROMPT_LINE=""
+
+prompt_segment() {
+  separator=""
+
+  if [ -n "$OLD_SEP" ]; then
+    separator="%F{$OLD_BG}$OLD_SEP"
+  fi
+
+  OLD_SEP=$1
+  OLD_BG=$2
+  PROMPT_LINE="$PROMPT_LINE%{%K{$2}$separator%}%{%F{$3}%}$4"
+  unset separator
+}
+
+prompt_context() {
+  if [ $(id -u) -eq 0 ]; then
+    prompt_segment "$SEGMENT_SEPARATOR" black yellow
+  else
+    prompt_segment "$SEGMENT_SEPARATOR" black default
+  fi
+  if [ -z ${SSH_CLIENT+x} ]; then
+    PROMPT_LINE="$PROMPT_LINE %n "
+  else
+    PROMPT_LINE="$PROMPT_LINE %n@%m "
+  fi
+}
+
+prompt_git() {
+  if [ "$ZSH_THEME_GIT_MODE" = "disabled" ]; then
+    return
+  fi
+  if ! type git > /dev/null 2>&1; then
+    return
+  fi
+  PL_BRANCH_CHAR="" # $'\ue0a0'
+
+  if [ "$(git rev-parse --is-inside-work-tree 2> /dev/null)" = "true" ]; then
+    repo_path=$(git rev-parse --git-dir 2> /dev/null)
+    ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git rev-parse --short HEAD 2> /dev/null)"
+    if [ -n "$(git status --porcelain --ignore-submodules=dirty 2> /dev/null | tail -n 1)" ]; then
+      prompt_segment "$SEGMENT_SEPARATOR" yellow black
+    else
+      prompt_segment "$SEGMENT_SEPARATOR" green black
+    fi
+
+    if [ -e "${repo_path}/BISECT_LOG" ]; then
+      mode=" <B>"
+    elif [ -e "${repo_path}/MERGE_HEAD" ]; then
+      mode=" >M<"
+    elif [ -e "${repo_path}/rebase" ] || [ -e "${repo_path}/rebase-apply" ] || [ -e "${repo_path}/rebase-merge" ] || [ -e "${repo_path}/../.dotest" ]; then
+      mode=" >R>"
+    fi
+
+    autoload -Uz vcs_info
+
+    zstyle ':vcs_info:*' enable git
+    zstyle ':vcs_info:*' get-revision true
+    zstyle ':vcs_info:*' check-for-changes true
+    zstyle ':vcs_info:*' stagedstr '✚'
+    zstyle ':vcs_info:*' unstagedstr '±'
+    zstyle ':vcs_info:*' formats ' %u%c'
+    zstyle ':vcs_info:*' actionformats ' %u%c'
+    vcs_info
+    PROMPT_LINE="$PROMPT_LINE${${ref:gs/%/%%}/refs\/heads\// $PL_BRANCH_CHAR }${vcs_info_msg_0_%% }${mode} "
+    unset repo_path ref mode
+  fi
+  unset PL_BRANCH_CHAR
+}
+
+prompt_virtualenv() {
+  if [ -n "$VIRTUAL_ENV" ] && [ -n "$VIRTUAL_ENV_DISABLE_PROMPT" ]; then
+    prompt_segment "$SEGMENT_SEPARATOR" blue black "(${VIRTUAL_ENV:t:gs/%/%%})"
+  fi
+}
+
+prompt_status() {
+  symbols=""
+
+  [ $RETVAL -ne 0 ] && symbols="$symbols%{%F{red}%}✘" # last command exit code
+  [ $(jobs -l | wc -l) -gt 0 ] && symbols="$symbols%{%F{cyan}%}⚙" # background jobs
+  [ $(id -u) -eq 0 ] && symbols="$symbols%{%F{yellow}%}⚡" # root or not
+
+  [ -n "$symbols" ] && prompt_segment "" black default " $symbols"
+  unset symbols
+}
+
+build_prompt() {
+  RETVAL=$?
+  prompt_status
+  prompt_virtualenv
+  prompt_context
+  prompt_segment "$SEGMENT_SEPARATOR" blue black " %~ "
+  prompt_git
+  PROMPT_LINE="$PROMPT_LINE%{%k%F{${OLD_BG:-blue}}%}$SEGMENT_SEPARATOR%{%f%}"
+  unset OLD_BG OLD_SEP
+  printf "%s%s " "%{%f%b%k%}" "$PROMPT_LINE"
+  unset PROMPT_LINE
+  unset -f prompt_segment prompt_status prompt_virtualenv prompt_context prompt_git
+}
+
+setopt prompt_subst
+PROMPT='$(build_prompt)'

zsh/.zshrc

@@ -1,5 +1,8 @@
 #!/bin/zsh
 # ~/.zshrc
+# See:
+# - https://zsh.sourceforge.io/Doc/Release/
+# - https://stevenvanbael.com/profiling-zsh-startup
 
 ### History
 HISTFILE="$HOME/.zsh_history"
@@ -188,32 +191,6 @@ function zsh_stats() {
 # This is ugly as hell, but is efficient and reliable
 # TODO: find a clean, reliable and efficient solution to this mess
 zsh_base_dir="$HOME/.config/zsh"
-# Git
-# git theming default: Variables for theming the git info prompt
-function zsh_git_theme() {
-    ZSH_THEME_GIT_PROMPT_PREFIX="git:(" # At the very beginning of the prompt
-    ZSH_THEME_GIT_PROMPT_SUFFIX=")"     # At the very end of the prompt
-    ZSH_THEME_GIT_PROMPT_DIRTY="*"      # Text to display if the branch is dirty
-    ZSH_THEME_GIT_PROMPT_CLEAN=""       # Text to display if the branch is clean
-    ZSH_THEME_RUBY_PROMPT_PREFIX="("
-    ZSH_THEME_RUBY_PROMPT_SUFFIX=")"
-}
-
-# Source: https://github.com/ohmyzsh/ohmyzsh/blob/master/lib/git.zsh
-zsh_tmp_path="$zsh_base_dir/plugins/git.zsh"
-if [ -f "$zsh_tmp_path" ]; then
-    zsh_git_theme
-else
-    mkdir -p "$zsh_base_dir/plugins"
-    src_url='https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/lib/git.zsh'
-    echo "Downloading $src_url ..."
-    eval "curl -s --max-time 5 -o \""$zsh_tmp_path"\" \"$src_url\"" && \
-    unset src_url && \
-    chmod +x "$zsh_tmp_path" && \
-    zsh_git_theme || \
-        echo "[Warning] Failed to create the file or unrecheable URL: $src_url"
-fi
-unfunction zsh_git_theme
 
 # Rudimentary plugin loader
 # Note: the files are loaded in alphabetical order
@@ -227,24 +204,6 @@ for plugin_f in "$zsh_base_dir/plugins/"*(.zsh|.zsh-theme)(xEXN); do
     source $plugin_f || printf "An error has occurred sourcing: %s\n" "$plugin_f"
 done
 
-# For `prompt_subst` see:
-# https://github.com/agnoster/agnoster-zsh-theme/pull/12
-# Fork used:
-# https://github.com/ohmyzsh/ohmyzsh/blob/master/themes/agnoster.zsh-theme
-zsh_tmp_path="$zsh_base_dir/agnoster.zsh-theme"
-if [ -f "$zsh_tmp_path" ]; then
-    setopt prompt_subst
-    source "$zsh_tmp_path"
-else
-    mkdir -p "$zsh_base_dir"
-    src_url='https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/themes/agnoster.zsh-theme'
-    echo "Downloading $src_url ..."
-    eval "curl -s --max-time 5 -o \""$zsh_tmp_path"\" \"$src_url\"" && \
-    unset src_url && \
-    setopt prompt_subst && \
-    source "$zsh_tmp_path" || \
-        echo "[Warning] Failed to create the file or unrecheable URL: $src_url" && \
-        PS1="%B%{$fg[red]%}[%{$fg[yellow]%}%n%{$fg[green]%}@%{$fg[blue]%}%M %{$fg[magenta]%}%~%{$fg[red]%}]%{$reset_color%}$%b "
-fi
-unset zsh_tmp_path
+#PS1="%B%{$fg[red]%}[%{$fg[yellow]%}%n%{$fg[green]%}@%{$fg[blue]%}%M %{$fg[magenta]%}%~%{$fg[red]%}]%{$reset_color%}$%b "
+
 unset zsh_base_dir