Unify release selection across clients

tests/release_scripts.rs

@@ -94,6 +94,8 @@ fn release_gates_test_all_targets() {
     assert!(windows_client.contains("runs-on: windows-latest"));
     assert!(windows_client.contains("name: Test Windows client"));
     assert!(windows_client.contains("name: PowerShell syntax check"));
+    assert!(windows_client.contains("name: Windows installer runtime test"));
+    assert!(windows_client.contains("run: scripts/test-install-windows.ps1"));
     assert!(windows_client.contains("shell: pwsh"));
     assert!(
         windows_client
@@ -138,28 +140,24 @@ fn one_dot_zero_gates_default_to_full_length_soaks() {
 }
 
 #[test]
-fn installers_skip_stale_latest_release_prebuilts() {
+fn installers_resolve_the_repository_declared_release_without_stable_redirects() {
     let install = include_str!("../install.sh");
-    assert!(install.contains("latest_release_is_stale"));
     assert!(install.contains("current_source_version"));
-    assert!(install.contains("latest release $latest is older than source $current"));
-    assert!(install.contains("version_prerelease"));
-    assert!(install.contains("prerelease_less_than"));
-    assert!(
-        install.contains("if latest_release_is_stale; then"),
-        "unix installer must skip stale latest before downloading a prebuilt"
-    );
+    assert!(install.contains("release_source_ref"));
+    assert!(install.contains("printf 'v%s\\n' \"${current#v}\""));
+    assert!(install.contains("DOSH_BINARY_EXACT=1"));
+    assert!(!install.contains("/releases/latest"));
+    assert!(install.contains("resolved_source_ref=\"$(release_source_ref || true)\""));
+    assert!(install.contains("checkout -q --detach FETCH_HEAD"));
 
     let ps1 = include_str!("../install.ps1");
-    assert!(ps1.contains("Latest-ReleaseIsStale"));
     assert!(ps1.contains("Current-SourceVersion"));
-    assert!(ps1.contains("latest release $latestVersion is older than source $current"));
-    assert!(ps1.contains("Version-Prerelease"));
-    assert!(ps1.contains("Compare-Prerelease"));
-    assert!(
-        ps1.contains("if (Latest-ReleaseIsStale)"),
-        "windows installer must skip stale latest before downloading a prebuilt"
-    );
+    assert!(ps1.contains("Source-ReleaseRef"));
+    assert!(ps1.contains("\"v$($current.TrimStart('v'))\""));
+    assert!(ps1.contains("DOSH_BINARY_EXACT"));
+    assert!(!ps1.contains("/releases/latest"));
+    assert!(ps1.contains("$script:ResolvedSourceRef = Source-ReleaseRef"));
+    assert!(ps1.contains("checkout -q --detach FETCH_HEAD"));
 }
 
 #[test]
@@ -198,15 +196,16 @@ fn windows_installer_reuses_persistent_source_update_cache() {
     assert!(ps1.contains("$full -eq $localAppData -or $full -eq $localAppDataDosh"));
     assert!(ps1.contains("$sourceCache = Assert-SafeUpdateCache $UpdateCache"));
     assert!(ps1.contains(
-        "$fetchArgs = @(\"-C\", $sourceCache, \"fetch\", \"--depth\", \"1\", \"origin\", \"main\")"
+        "$fetchArgs = @(\"-C\", $sourceCache, \"fetch\", \"--depth\", \"1\", \"origin\", $sourceRef)"
     ));
-    assert!(ps1.contains("$fetchArgs = @(\"-C\", $sourceCache, \"fetch\", \"-q\", \"--depth\", \"1\", \"origin\", \"main\")"));
+    assert!(ps1.contains("$fetchArgs = @(\"-C\", $sourceCache, \"fetch\", \"-q\", \"--depth\", \"1\", \"origin\", $sourceRef)"));
     assert!(ps1.contains("git @fetchArgs"));
     assert!(ps1.contains("git -C $sourceCache checkout -q -B main FETCH_HEAD"));
+    assert!(ps1.contains("git -C $sourceCache checkout -q --detach FETCH_HEAD"));
     assert!(ps1.contains(
-        "$cloneArgs = @(\"clone\", \"--depth\", \"1\", \"--branch\", \"main\", $Repo, $sourceCache)"
+        "$cloneArgs = @(\"clone\", \"--depth\", \"1\", \"--branch\", $sourceRef, $Repo, $sourceCache)"
     ));
-    assert!(ps1.contains("$cloneArgs = @(\"clone\", \"-q\", \"--depth\", \"1\", \"--branch\", \"main\", $Repo, $sourceCache)"));
+    assert!(ps1.contains("$cloneArgs = @(\"clone\", \"-q\", \"--depth\", \"1\", \"--branch\", $sourceRef, $Repo, $sourceCache)"));
     assert!(ps1.contains("git @cloneArgs | Out-Null"));
     assert!(
         !ps1.contains("git clone --depth 1 $Repo $tmp"),
@@ -218,8 +217,12 @@ fn windows_installer_reuses_persistent_source_update_cache() {
 fn windows_quiet_source_updates_silence_git_like_unix() {
     let install = include_str!("../install.sh");
     let ps1 = include_str!("../install.ps1");
-    assert!(install.contains("git -C \"$update_cache\" fetch -q --depth 1 origin main"));
-    assert!(install.contains("git clone -q --depth 1 --branch main \"$repo\" \"$update_cache\""));
+    assert!(install.contains("git -C \"$update_cache\" fetch -q --depth 1 origin \"$source_ref\""));
+    assert!(
+        install.contains(
+            "git clone -q --depth 1 --branch \"$source_ref\" \"$repo\" \"$update_cache\""
+        )
+    );
     assert!(ps1.contains("if ($Quiet)"));
     assert!(ps1.contains("\"fetch\", \"-q\", \"--depth\""));
     assert!(ps1.contains("\"clone\", \"-q\", \"--depth\""));