From 0255106ba7edcef77294aa18d0c6fad93edd4213 Mon Sep 17 00:00:00 2001
From: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Date: Thu, 12 Nov 2026 06:09:03 +0000
Subject: [PATCH] ci: retry a failed Chocolatey install on Windows and fail the
 step itself

The README no longer lists release signing as design-only; it shipped in 0.1.0.

Co-Authored-By: jason.han <hanhuijun@gmail.com>
---
 .github/workflows/ci.yml                | 8 +++++++-
 .github/workflows/release.yml           | 8 +++++++-
 README.md                               | 3 +--
 changes/unreleased/choco-retry.fixed.md | 1 +
 4 files changed, 16 insertions(+), 4 deletions(-)
 create mode 100644 changes/unreleased/choco-retry.fixed.md

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce4dbc0..9515485 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,13 @@ jobs:
         if: runner.os == 'Windows'
         shell: pwsh
         run: |
-          choco install -y --no-progress hg sliksvn
+          # The community feed answers 503 now and then; a failed choco must fail the step, not the next one.
+          for ($attempt = 1; $attempt -le 3; $attempt++) {
+            choco install -y --no-progress hg sliksvn
+            if ($LASTEXITCODE -eq 0) { break }
+            if ($attempt -eq 3) { throw "choco install failed $attempt times (last exit code $LASTEXITCODE)" }
+            Start-Sleep -Seconds (30 * $attempt)
+          }
           Add-Content $env:GITHUB_PATH 'C:\Program Files\Mercurial'
           Add-Content $env:GITHUB_PATH 'C:\Program Files\SlikSvn\bin'
       - name: Versions
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 20db273..ef3427b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -43,7 +43,13 @@ jobs:
         if: runner.os == 'Windows'
         shell: pwsh
         run: |
-          choco install -y --no-progress hg sliksvn
+          # The community feed answers 503 now and then; a failed choco must fail the step, not the next one.
+          for ($attempt = 1; $attempt -le 3; $attempt++) {
+            choco install -y --no-progress hg sliksvn
+            if ($LASTEXITCODE -eq 0) { break }
+            if ($attempt -eq 3) { throw "choco install failed $attempt times (last exit code $LASTEXITCODE)" }
+            Start-Sleep -Seconds (30 * $attempt)
+          }
           Add-Content $env:GITHUB_PATH 'C:\Program Files\Mercurial'
           Add-Content $env:GITHUB_PATH 'C:\Program Files\SlikSvn\bin'
       - name: Versions
diff --git a/README.md b/README.md
index da22cf2..cf2dea1 100644
--- a/README.md
+++ b/README.md
@@ -146,8 +146,7 @@ An authentication failure is reported with one hint naming the fix for that back
 
 ## Future
 
-Design only, not built here: a SysML-rendered index; LSP integration; attestation / cosign of
-releases; any server.
+Design only, not built here: a SysML-rendered index; LSP integration; any server.
 
 ## Licence
 
diff --git a/changes/unreleased/choco-retry.fixed.md b/changes/unreleased/choco-retry.fixed.md
new file mode 100644
index 0000000..2cf488e
--- /dev/null
+++ b/changes/unreleased/choco-retry.fixed.md
@@ -0,0 +1 @@
+- The Windows CI and release gates retry a failed Chocolatey install of `hg` and `sliksvn` and fail that step itself, instead of letting a transient feed error surface as `svn: command not found` later.