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CI saves Rust caches only on dev, releases save none on tags #292

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Merged
fylorn merged 1 commit into from
Oct 8, 2026
Merged

CI saves Rust caches only on dev, releases save none on tags #292

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11 changes: 10 additions & 1 deletion .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,11 @@ jobs:
- uses: Swatinem/rust-cache@v2
with:
workspaces: src-tauri
# **只在 dev 上存。**一个 PR 读得到的缓存只有三处：它自己的、目标分支（dev）
# 的、默认分支（main）的，读不到别的 PR 存的。PR 上存的那份只有同一个 PR
# 再推一次才用得上，却一样大，挤占仓库 10 GB 的缓存额度、把 dev 的挤掉。
# main 只是快进，它的推送和 dev 上同一笔一样，存了也没人读
save-if: ${{ github.ref == 'refs/heads/dev' }}
# **一个只检查代码的任务为什么要下载一个发布产物。**
#
# `tauri.conf.json` 声明 `.app` 里装着 twcore，而 Tauri 的
Expand Down Expand Up @@ -125,8 +130,10 @@ jobs:
workspaces: src-tauri
# **失败也存。**这个 action 默认只在任务成功时保存缓存，而一个刚
# 立起来、还在逐条修的任务恰恰一次都不会成功 —— 于是「红 → 不存
# 缓存 → 从零编译 → 还是红」自己维持住了。
# 缓存 → 从零编译 → 还是红」自己维持住了。PR 上不存（见 macOS 那一档），
# 所以这条只对 dev 起作用
cache-on-failure: true
save-if: ${{ github.ref == 'refs/heads/dev' }}

# 理由同 macOS 那一档：`tauri.conf.json` 声明包里装着 twcore，而 Tauri
# 的 build script 在**编译期**就校验那个文件在不在。
Expand Down Expand Up @@ -227,6 +234,8 @@ jobs:
with:
workspaces: src-tauri
cache-on-failure: true
# 见 macOS 那一档
save-if: ${{ github.ref == 'refs/heads/dev' }}

# 理由同 macOS 那一档：`tauri.conf.json` 声明包里装着 twcore，而 Tauri
# 的 build script 在**编译期**就校验那个文件在不在；接缝测试还要真的
Expand Down
9 changes: 9 additions & 0 deletions .github/workflows/release.yml
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Expand Up @@ -122,6 +122,11 @@ jobs:
- uses: Swatinem/rust-cache@v2
with:
workspaces: src-tauri
# **tag 上只读不存。**tag 上的运行读得到的缓存只有这个 tag 自己的和默认
# 分支（main）的；挂在 tag 名下的缓存下一个 tag 读不到，白占仓库 10 GB 的
# 缓存额度（v2026.10.7 一次占了 3.3 GB），还把 dev 上 CI 天天在用的挤掉。
# 演练分支照存：同一个演练分支常要连推几轮，后面几轮用得上
save-if: ${{ !startsWith(github.ref, 'refs/tags/') }}

- run: pnpm install --frozen-lockfile

Expand Down Expand Up @@ -294,6 +299,8 @@ jobs:
with:
workspaces: src-tauri
key: ${{ matrix.target }}
# 见 macOS 那一档
save-if: ${{ !startsWith(github.ref, 'refs/tags/') }}

# 取版本号、取 twcore 的两个脚本要 Python。Windows 的机器上不一定有，
# 有也不一定叫 `python3` —— 脚本两个名字都认，这里保证至少有一个
Expand Down Expand Up @@ -603,6 +610,8 @@ jobs:
with:
workspaces: src-tauri
key: ${{ matrix.target }}
# 见 macOS 那一档
save-if: ${{ !startsWith(github.ref, 'refs/tags/') }}

- run: pnpm install --frozen-lockfile

Expand Down
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