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-rw-r--r--emacs/custom/my-packages.el157
1 files changed, 93 insertions, 64 deletions
diff --git a/emacs/custom/my-packages.el b/emacs/custom/my-packages.el
index da5263b..e802c14 100644
--- a/emacs/custom/my-packages.el
+++ b/emacs/custom/my-packages.el
@@ -5,70 +5,99 @@
 
 ;;; Code:
 
-(require 'straight)
-
-;; packages needed for LSP
-(straight-use-package 'eglot)
-
-;; packages needed for python
-(straight-use-package 'blacken)
-(straight-use-package 'python-docstring)
-(straight-use-package 'python-mode)
-
-;; packages needed for go
-(straight-use-package 'go-mode)
-(straight-use-package 'gotest)
-
-;; packages needed for nix
-(straight-use-package 'nix-mode)
-
-;; packages needed for rust
-(straight-use-package 'rustic)
-
-;; packages needed to work with various configuration files
-(straight-use-package 'chef-mode)
-(straight-use-package 'terraform-doc)
-(straight-use-package 'terraform-mode)
-(straight-use-package 'toml-mode)
-(straight-use-package 'systemd)
-(straight-use-package 'dockerfile-mode)
-(straight-use-package 'hcl-mode)
-(straight-use-package 'jq-format)
-(straight-use-package 'yaml-mode)
-(straight-use-package 'protobuf-mode)
-
-;; packages needed for git
-(straight-use-package 'git-commit)
-(straight-use-package 'git-link)
-(straight-use-package 'git-modes)
-(straight-use-package 'magit)
-
-;; packages related to elfeed
-(straight-use-package 'elfeed)
-(straight-use-package 'elfeed-org)
-
-;; packages for various text modes
-(straight-use-package 'markdown-mode)
-(straight-use-package 'yasnippet)
-
-;; packages for tree-sitter
-(straight-use-package 'tree-sitter)
-(straight-use-package 'tree-sitter-langs)
-
-;; packages for navigation
-(straight-use-package 'cape)
-(straight-use-package 'consult)
-(straight-use-package 'corfu)
-(straight-use-package 'corfu-doc)
-(straight-use-package 'marginalia)
-(straight-use-package 'orderless)
-(straight-use-package 'vertico)
-(straight-use-package 'which-key)
-
-;; packages for interacting with tools
-(straight-use-package 'rg)
-(straight-use-package 'exec-path-from-shell)
-(straight-use-package 'envrc)
+(require 'package)
+(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/"))
+
+(defvar my/package-list
+  '(eglot
+    ;; python
+    blacken
+    python-docstring
+    python-mode
+
+    ;; go
+    go-mode
+    gotest
+
+    ;; nix
+    nix-mode
+
+    ;; rust
+    rustic
+
+    ;; various configuration formats
+    chef-mode
+    dockerfile-mode
+    hcl-mode
+    jq-format
+    protobuf-mode
+    systemd
+    terraform-doc
+    terraform-mode
+    toml-mode
+    yaml-mode
+
+    ;; git
+    git-commit
+    git-link
+    git-modes
+    magit
+
+    ;; elfeed
+    elfeed
+    elfeed-org
+
+    ;; various text modes
+    markdown-mode
+
+    ;; tree-sitter
+    tree-sitter
+    tree-sitter-langs
+
+    ;; navigation
+    cape
+    consult
+    corfu
+    marginalia
+    orderless
+    vertico
+    which-key
+    yasnippet
+
+    ;; themes
+    standard-themes
+
+    ;; packages to interact with external tools
+    exec-path-from-shell
+    envrc
+    rg)
+  "List of packages to be installed.")
+
+(defun my/packages-installed-p ()
+  "Check if all packages in `my/package-list' are installed."
+  (cl-every #'package-installed-p my/package-list))
+
+(defun my/require-package (package)
+  "Install PACKAGE unless already installed."
+  (unless (memq package my/package-list)
+    (add-to-list 'my/package-list package))
+  (unless (package-installed-p package)
+    (package-install package)))
+
+(defun my/require-packages (packages)
+  "Ensure PACKAGES are installed.
+Missing packages are installed automatically."
+  (mapc #'my/require-package packages))
+
+(defun my/install-packages ()
+  "Install all packages listed in `my/package-list'."
+  (unless (my/packages-installed-p)
+    ;; check for new packages (package versions)
+    (message "%s" "Reloading packages DB...")
+    (package-refresh-contents)
+    (message "%s" " done.")
+    ;; install the missing packages
+    (my/require-packages my/package-list)))
 
 (provide 'my-packages)