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[tailscale] runtime/debug: embed Tailscale toolchain git rev #104

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merged 1 commit into from
Sep 19, 2024
Merged

[tailscale] runtime/debug: embed Tailscale toolchain git rev #104

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2 changes: 2 additions & 0 deletions .github/workflows/build.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,8 @@ jobs:
uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
with:
ref: ${{ inputs.ref || github.ref }}
- name: set runtime/debug.tailscaleGitRev
run: sed -i "s/TAILSCALE_GIT_REV_TO_BE_REPLACED_AT_BUILD_TIME/${{ github.sha }}/" src/runtime/debug/mod.go
- name: build
run: cd src && ./make.bash
env:
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9 changes: 9 additions & 0 deletions src/runtime/debug/mod.go
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Expand Up @@ -11,6 +11,8 @@ import (
"strings"
)

const tailscaleGitRev = `TAILSCALE_GIT_REV_TO_BE_REPLACED_AT_BUILD_TIME`

// exported from runtime.
func modinfo() string

Expand All @@ -34,6 +36,13 @@ func ReadBuildInfo() (info *BuildInfo, ok bool) {
// awkwardness from the user.
bi.GoVersion = runtime.Version()

if len(tailscaleGitRev) > 0 && tailscaleGitRev[0] != 'T' {
bi.Settings = append(bi.Settings, BuildSetting{
Key: "tailscale.toolchain.rev",
Value: tailscaleGitRev,
})
}

return bi, true
}

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