Remove racer integration

.github/workflows/test.yml

@@ -3,51 +3,40 @@ name: CI
 on: [push, pull_request]
 
 jobs:
-    unix-test:
-        runs-on: ${{ matrix.os }}
-        strategy:
-            fail-fast: false
-            matrix:
-                os: [ubuntu-latest]
-                emacs-version:
-                    - 27.2
-                    - 28.1
-        steps:
-            - uses: actions/checkout@v2
-
-            - uses: purcell/setup-emacs@master
-              with:
-                  version: ${{ matrix.emacs-version }}
-
-            - uses: conao3/setup-cask@master
-              with:
-                  version: 0.8.4
-
-            - name: Install requirements
-              run: |
-                  echo "$HOME/.cask/bin" >> $GITHUB_PATH
-                  echo "$HOME/bin" >> $GITHUB_PATH
-
-                  sudo apt update
-                  sudo apt install -y gnutls-bin gnupg2 dirmngr
-                  sudo apt install -y texinfo libgif-dev libxpm-dev
-
-            - name: Install needed rust stuff
-              run: |
-                  curl -sSf https://build.travis-ci.com/files/rustup-init.sh | sh -s -- --default-toolchain=stable -y
-                  source $HOME/.cargo/env
-                  rustup component add rustfmt-preview
-
-            - name: rustic-doc prerequisites
-              run: |
-                   wget https://github.com/jgm/pandoc/releases/download/2.17.0.1/pandoc-2.17.0.1-1-amd64.deb
-                   sudo dpkg -i pandoc-2.17.0.1-1-amd64.deb
-                   mkdir -p ~/.local/bin
-                   mkdir -p ~/.local/share/emacs/rustic-doc/std/
-                   curl -sL https://github.com/sharkdp/fd/releases/download/v8.3.2/fd-v8.3.2-x86_64-unknown-linux-musl.tar.gz | tar xz --wildcards --strip-components=1 -C /usr/local/bin '*/fd'
-                   curl -sL https://github.com/BurntSushi/ripgrep/releases/download/13.0.0/ripgrep-13.0.0-x86_64-unknown-linux-musl.tar.gz | tar xz --wildcards --strip-components=1 -C /usr/local/bin '*/rg'
-                   rustup component add rust-docs
-
-            - name: Run tests
-              run: |
-                make test
+  unix-test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        emacs-version:
+          - 27.2
+          - 28.1
+          - 29.1
+    steps:
+      - uses: actions/checkout@v4
+      - uses: taiki-e/install-action@v2
+        with:
+          tool: [email protected]
+      - uses: purcell/setup-emacs@master
+        with:
+          version: ${{ matrix.emacs-version }}
+
+      - uses: cask/setup-cask@v1
+        with:
+          version: 0.9.0
+
+      - name: Install requirements
+        run: |
+          echo "$HOME/.cask/bin" >> $GITHUB_PATH
+          echo "$HOME/bin" >> $GITHUB_PATH
+
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: 1.76.0
+          components: clippy, rustfmt
+
+      - name: Run tests
+        run: |
+          just build
+          just test

CHANGELOG.org

@@ -0,0 +1,13 @@
+* Unreleased
+
+- Revamp testing in CI: Use only cask.
+- Replace Makefile with justfile.
+- Pin Rust version in CI to avoid spurious failure.
+- Create a new babel variable to create temporary directory and not
+  rely on babel's internal stuff. This was needed to fix the tests.
+- Fix flaky tests.
+- Enable tests for Emacs 29.1
+- Update rustc to 1.76.0
+- Fix bugs in rustic-cargo-outdated mode in the presence of git
+  repositories as dependency.
+- Remove racer integrace since it's development has been discontinued.

justfile

@@ -0,0 +1,14 @@
+# List all recipes
+just:
+	just --list --unsorted
+
+# Install dependencies and build via cask
+build:
+	emacs --version
+	cask install
+	cask build
+
+# Test
+test:
+	cask emacs --batch -L . -L test -f batch-byte-compile $(cask files)
+	cask emacs --batch -L . -L test -l test/all-tests.el -f ert-run-tests-batch-and-exit

rustic-babel.el

@@ -11,10 +11,6 @@
 
 (require 'rustic-rustfmt)
 
-;; FIXME This variable doesn't exist in noninteractive emacs sessions,
-;; which probably means that it is internal and we shouldn't use it.
-(defvar org-babel-temporary-directory)
-
 (defvar rustic-info nil)
 
 (add-to-list 'org-src-lang-modes '("rust" . rustic))
@@ -160,7 +156,7 @@ execution with rustfmt."
           (save-excursion
             (save-match-data
               (goto-char (point-min))
-              (when (re-search-forward "^thread '[^']+' panicked at '[^']+', ")
+              (when (re-search-forward "^thread '[^']+' panicked at .*")
                 (goto-char (match-beginning 0))
                 (setq result (buffer-substring-no-properties (point) (line-end-position)))))))
         (rustic-babel-run-update-result-block result)
@@ -210,10 +206,13 @@ after successful compilation."
                  (buffer-string)))))))
       (kill-buffer "rustic-babel-format-buffer"))))
 
+(defvar rustic-org-babel-temporary-directory
+  (make-temp-file "babel-" t))
+
 (defun rustic-babel-generate-project (&optional expand)
-  "Create rust project in `org-babel-temporary-directory'.
+  "Create rust project in `rustic-org-babel-temporary-directory'.
 Return full path if EXPAND is t."
-  (let* ((default-directory org-babel-temporary-directory)
+  (let* ((default-directory rustic-org-babel-temporary-directory)
          (dir (make-temp-file-internal "cargo" 0 "" nil)))
     (shell-command-to-string (format "cargo new %s --bin --quiet" dir))
     (if expand
@@ -224,14 +223,14 @@ Return full path if EXPAND is t."
   "In order to reduce the execution time when the project has
 dependencies, the project name is stored as a text property in the
 header of the org-babel block to check if the project already exists
-in `org-babel-temporary-directory'.  If the project exists, reuse it.
+in `rustic-org-babel-temporary-directory'.  If the project exists, reuse it.
 Otherwise create it with `rustic-babel-generate-project'."
   (let* ((beg (org-babel-where-is-src-block-head))
          (end (save-excursion (goto-char beg)
                               (line-end-position)))
          (line (buffer-substring beg end)))
     (let* ((project (symbol-name (get-text-property 0 'project line)))
-           (path (concat org-babel-temporary-directory "/" project "/")))
+           (path (concat rustic-org-babel-temporary-directory "/" project "/")))
       (if (file-directory-p path)
           (progn
             (put-text-property beg end 'project (make-symbol project))
@@ -348,7 +347,7 @@ kill the running process."
         (progn
           (rustic-process-kill-p p t)
           nil)
-      (let* ((default-directory org-babel-temporary-directory)
+      (let* ((default-directory rustic-org-babel-temporary-directory)
              (project (rustic-babel-project))
              (dir (setq rustic-babel-dir (expand-file-name project)))
              (main-p (cdr (assq :main params)))
@@ -392,7 +391,7 @@ at least one time in this emacs session before this command can be used."
                               (line-end-position)))
          (line (buffer-substring beg end))
          (project (symbol-name (get-text-property 0 'project line)))
-         (path (concat org-babel-temporary-directory "/" project "/src/main.rs")))
+         (path (concat rustic-org-babel-temporary-directory "/" project "/src/main.rs")))
     (if (file-exists-p path)
         (find-file path)
       (message "Run block first to visit generated project."))))
@@ -403,7 +402,7 @@ at least one time in this emacs session before this command can be used."
   (interactive)
   (rustic--inheritenv
    (let* ((err-buff (get-buffer-create rustic-babel-compilation-buffer-name))
-          (default-directory org-babel-temporary-directory)
+          (default-directory rustic-org-babel-temporary-directory)
           (body (org-element-property :value (org-element-at-point)))
           (project (rustic-babel-project))
           (params (list "cargo" "clippy")))