change installation method

install.sh

@@ -1,5 +1,17 @@
 #!/usr/bin/env bash
 
-for script in {zhsrc,zlogin}.zsh; do
-  ln -sv "$script" ".$script"
-done
+ZSHRC=~/.zshrc
+ZSHRC_BACKUP=~/.zshrc.pre-dmitmel-dotfiles
+
+if [[ -f $ZSHRC ]]; then
+  echo "Backing up $ZSHRC to $ZSHRC_BACKUP"
+  mv $ZSHRC $ZSHRC_BACKUP
+fi
+
+cat > $ZSHRC <<EOF
+#!/usr/bin/env zsh
+
+export DOTFILES_PATH="\$HOME/.dotfiles"
+export OH_MY_ZSH_PATH="\$HOME/.oh-my-zsh"
+source "\$DOTFILES_PATH/zshrc"
+EOF

lib/oh-my-zsh.zsh

@@ -1,16 +1,8 @@
 #!/usr/bin/env zsh
 
-find_oh_my_zsh() {
-  for prefix in "$HOME/." "/usr/share/" "/usr/local/share/"; do
-    local zsh_dir="${prefix}oh-my-zsh"
-    if [[ -d "$zsh_dir" ]]; then
-      export ZSH="$zsh_dir"
-      break
-    fi
-  done
-}
-
 configure_oh_my_zsh() {
+  export ZSH="$OH_MY_ZSH_PATH"
+
   # see https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
   export ZSH_THEME="agnoster"
 
@@ -50,7 +42,6 @@ configure_zsh() {
   zstyle ':completion:*' list-colors "${(@s.:.)LS_COLORS}"
 }
 
-find_oh_my_zsh
 configure_oh_my_zsh
 source "$ZSH/oh-my-zsh.sh"
 configure_zsh

zshrc

@@ -1,26 +1,18 @@
 #!/usr/bin/env zsh
 
-find_dotfiles_dir() {
-  export DOTFILES_DIR
-
-  for prefix in "$HOME/." "/usr/share/" "/usr/local/share/"; do
-    DOTFILES_DIR="${prefix}dotfiles"
-    [[ -d "$DOTFILES_DIR" ]] && return
+if [[ -n "$DOTFILES_PATH" && -n "$OH_MY_ZSH_PATH" ]]; then
+  for script in functions path exports aliases oh-my-zsh widgets; do
+    source "$DOTFILES_PATH/lib/$script.zsh"
   done
 
-  local script_path="$(realpath "${(%):-%x}")"
-  DOTFILES_DIR="$(dirname "$script_path")"
-}
+  source_if_exists "$ZSH/custom/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.plugin.zsh"
 
-find_dotfiles_dir
+  run_before rbenv 'eval "$(rbenv init -)"'
+  run_before sdk 'source_if_exists "$SDKMAN_DIR/bin/sdkman-init.sh"'
+  run_before yarn 'source_if_exists "$(yarn global dir)/node_modules/tabtab/.completions/yarn.zsh"'
 
-for script in functions path exports aliases oh-my-zsh widgets; do
-  source "$DOTFILES_DIR/lib/$script.zsh"
-done
-
-source_if_exists "$ZSH/custom/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.plugin.zsh"
-run_before rbenv 'eval "$(rbenv init -)"'
-run_before sdk 'source_if_exists "$SDKMAN_DIR/bin/sdkman-init.sh"'
-run_before yarn 'source_if_exists "$(yarn global dir)/node_modules/tabtab/.completions/yarn.zsh"'
-
-python "$DOTFILES_DIR/welcome/main.py"
+  python "$DOTFILES_PATH/welcome/main.py"
+else
+  [[ -z "$DOTFILES_PATH" ]] && echo "please, set DOTFILES_PATH to the path to your dotfiles directory" >&2
+  [[ -z "$OH_MY_ZSH_PATH" ]] && echo "please, set OH_MY_ZSH_PATH to the path to your Oh My Zsh directory" >&2
+fi