webhook test: fresh hook, correct URL

.gitea/workflows/sandbox.yml

@@ -0,0 +1,49 @@
+name: Sandbox - ephemeral runner + shared cache
+on:
+  push:
+    branches: [ci/sandbox]
+  workflow_dispatch:
+
+jobs:
+  cargo:
+    runs-on: sandbox
+    defaults:
+      run:
+        working-directory: sandbox
+        shell: bash
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Where am I?
+        run: |
+          echo "runner : ${RUNNER_NAME}"
+          echo "uid    : $(id -u)   cgroup: $(cut -d/ -f3 /proc/self/cgroup 2>/dev/null || echo n/a)"
+          echo "cache  : ${ACTIONS_CACHE_URL:-unset}"
+
+      # Restore first, so a warm cache also skips the toolchain download.
+      - name: Cache rust toolchain, registry and target
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo
+            ~/.rustup
+            sandbox/target
+          key: cargo-${{ hashFiles('sandbox/Cargo.lock') }}
+          restore-keys: cargo-
+
+      - name: Toolchain
+        run: |
+          set -euo pipefail
+          if ! command -v cargo >/dev/null && [ ! -x "$HOME/.cargo/bin/cargo" ]; then
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable
+          fi
+          # runner v5.2.2 does not apply GITHUB_PATH to later steps, so use absolute paths
+          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+          "$HOME/.cargo/bin/cargo" --version
+
+      - name: Test
+        run: |
+          set -o pipefail          # without this a failing build looks green
+          CARGO="$HOME/.cargo/bin/cargo"
+          echo "HOME=$HOME  cargo there: $([ -x "$CARGO" ] && echo yes || echo no)"
+          "$CARGO" test 2>&1 | tail -22

sandbox/Cargo.lock

@@ -0,0 +1,214 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "anyhow"
+version = "1.0.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "330a5ed07fa54e4702c9d6c4174f74427fc0ef6e214bbd677ae50a5099946470"
+
+[[package]]
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+checksum = "4e7648175b45a9a48536d676f68d918270699102aa8dab5496df06904c914600"
+
+[[package]]
+name = "ci-sandbox"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "rand",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.17"
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+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "rand_core",
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+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
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+name = "rand_core"
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+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "serde"
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+ "serde_derive",
+]
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+ "serde_derive",
+]
+
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+ "syn 3.0.9",
+]
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+ "itoa",
+ "memchr",
+ "serde",
+ "serde_core",
+ "zmij",
+]
+
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+ "quote",
+ "unicode-ident",
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sandbox/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "ci-sandbox"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+anyhow = "1"
+rand = "0.8"
+
+[dev-dependencies]

sandbox/src/lib.rs

@@ -0,0 +1,49 @@
+//! Tiny crate used to exercise CI caching: enough deps to make a warm
+//! build obviously faster than a cold one.
+use anyhow::{bail, Result};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct Reading {
+    pub sensor: String,
+    pub celsius: f64,
+}
+
+pub fn to_fahrenheit(celsius: f64) -> f64 {
+    celsius * 9.0 / 5.0 + 32.0
+}
+
+pub fn parse(json: &str) -> Result<Reading> {
+    let r: Reading = serde_json::from_str(json)?;
+    if r.celsius < -273.15 {
+        bail!("{} C is below absolute zero", r.celsius);
+    }
+    Ok(r)
+}
+
+pub fn jitter(amount: f64) -> f64 {
+    use rand::Rng;
+    rand::thread_rng().gen_range(-amount..=amount)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn converts_units() {
+        assert!((to_fahrenheit(0.0) - 32.0).abs() < 1e-9);
+        assert!((to_fahrenheit(100.0) - 212.0).abs() < 1e-9);
+    }
+
+    #[test]
+    fn parses_reading() {
+        let r = parse(r#"{"sensor":"attic","celsius":21.5}"#).unwrap();
+        assert_eq!(r.sensor, "attic");
+    }
+
+    #[test]
+    fn rejects_impossible_temperature() {
+        assert!(parse(r#"{"sensor":"x","celsius":-300.0}"#).is_err());
+    }
+}