New DSN parser

Author: mmastrac

.github/workflows/publish-gel-dsn.yaml

@@ -0,0 +1,42 @@
+on:
+  push:
+    tags:
+    - releases/gel-dsn/v*
+
+name: Release gel-dsn
+
+jobs:
+  test_and_publish:
+    name: Test and publish
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: "write"
+      contents: "read"
+    steps:
+      - name: checkout and env setup
+        uses: actions/checkout@v3
+
+      - name: Extract project name and version
+        run: |
+          set -x
+          PROJECT_NAME=$(echo $GITHUB_REF | sed -E 's|refs/tags/releases/([^/]+)/v.*|\1|')
+          VERSION=$(echo $GITHUB_REF | sed -E 's|.*/v(.*)|\1|')
+          echo "PROJECT_NAME=$PROJECT_NAME" >> $GITHUB_ENV
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+
+      # verify that git tag matches cargo version
+      - run: |
+          set -x
+          cargo_version="$(cargo metadata --format-version 1 \
+            | jq -r '.packages[] | select(.name=="${{ env.PROJECT_NAME }}") | .version')"
+          test "$cargo_version" = "${{ env.VERSION }}"
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+          components: rustfmt, clippy
+
+      - working-directory: ./${{ env.PROJECT_NAME }}
+        run: |
+          cargo publish --token=${{ secrets.CARGO_REGISTRY_TOKEN }}

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "gel-dsn/tests/gel/shared-client-testcases"]
+	path = gel-dsn/tests/gel/shared-client-testcases
+	url = https://github.com/geldata/shared-client-testcases.git

gel-dsn/Cargo.toml

@@ -9,9 +9,16 @@ readme = "README.md"
 rust-version.workspace = true
 
 [features]
+default = []
 gel = ["serde", "dirs"]
 postgres = []
 serde = ["dep:serde", "gel-stream/serde"]
+log = ["dep:log"]
+# If true, automatically enables the log and warning listeners in the parsers
+auto-log-trace = ["log"]
+auto-log-warning = ["log"]
+# Some CLI-private features that may change
+unstable = []
 
 [dependencies]
 percent-encoding = "2"
@@ -28,6 +35,7 @@ rustls-pemfile = "2"
 sha1 = "0.10"
 dirs = { version = "6.0.0", optional = true }
 whoami = "1.5"
+log = { optional = true, version = "0.4" }
 
 gel-stream = { path = "../gel-stream", version = "0" }
 gel-auth = { path = "../gel-auth", version = "0" }
@@ -48,6 +56,11 @@ tempfile = "3"
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_libpq)'] }
 
+[[test]]
+name = "gel"
+path = "tests/gel/test.rs"
+harness = false
+
 [[test]]
 name = "postgres"
 path = "tests/postgres/test.rs"

gel-dsn/src/file.rs

@@ -30,6 +30,8 @@ pub trait FileAccess {
         }
     }
 
+    fn exists_dir(&self, path: &Path) -> Result<bool, std::io::Error>;
+
     fn canonicalize(&self, path: &Path) -> Result<PathBuf, std::io::Error> {
         Ok(path.to_path_buf())
     }
@@ -45,6 +47,10 @@ impl FileAccess for &[(&Path, &str)] {
                 "File not found",
             ))
     }
+
+    fn exists_dir(&self, path: &Path) -> Result<bool, std::io::Error> {
+        Ok(self.iter().any(|(key, _)| key.starts_with(path)))
+    }
 }
 
 impl<K, V> FileAccess for HashMap<K, V>
@@ -60,6 +66,10 @@ where
                 "File not found",
             ))
     }
+
+    fn exists_dir(&self, path: &Path) -> Result<bool, std::io::Error> {
+        Ok(self.iter().any(|(key, _)| key.borrow().starts_with(path)))
+    }
 }
 
 impl FileAccess for () {
@@ -69,6 +79,10 @@ impl FileAccess for () {
             "File not found",
         ))
     }
+
+    fn exists_dir(&self, _: &Path) -> Result<bool, std::io::Error> {
+        Ok(false)
+    }
 }
 
 impl FileAccess for SystemFileAccess {
@@ -88,6 +102,10 @@ impl FileAccess for SystemFileAccess {
         std::fs::exists(path)
     }
 
+    fn exists_dir(&self, path: &Path) -> Result<bool, std::io::Error> {
+        std::fs::metadata(path).map(|metadata| metadata.is_dir())
+    }
+
     fn canonicalize(&self, path: &Path) -> Result<PathBuf, std::io::Error> {
         std::fs::canonicalize(path)
     }