mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-25 19:15:34 +00:00
49 lines
1.3 KiB
Bash
Executable File
49 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env sh
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#
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# Runs `go build` with flags configured for binary distribution. All
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# it does differently from `go build` is burn git commit and version
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# information into the binaries, so that we can track down user
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# issues.
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#
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# If you're packaging Tailscale for a distro, please consider using
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# this script, or executing equivalent commands in your
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# distro-specific build system.
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set -eu
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IFS=".$IFS" read -r major minor patch <VERSION.txt
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git_hash=$(git rev-parse HEAD)
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if ! git diff-index --quiet HEAD; then
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git_hash="${git_hash}-dirty"
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fi
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base_hash=$(git rev-list --max-count=1 HEAD -- VERSION.txt)
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change_count=$(git rev-list --count HEAD "^$base_hash")
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short_hash=$(echo "$git_hash" | cut -c1-9)
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if expr "$minor" : "[0-9]*[13579]$" >/dev/null; then
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patch="$change_count"
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change_suffix=""
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elif [ "$change_count" != "0" ]; then
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change_suffix="-$change_count"
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else
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change_suffix=""
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fi
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long_suffix="$change_suffix-t$short_hash"
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MINOR="$major.$minor"
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SHORT="$MINOR.$patch"
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LONG="${SHORT}$long_suffix"
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GIT_HASH="$git_hash"
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if [ "$1" = "shellvars" ]; then
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cat <<EOF
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VERSION_MINOR="$MINOR"
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VERSION_SHORT="$SHORT"
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VERSION_LONG="$LONG"
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VERSION_GIT_HASH="$GIT_HASH"
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EOF
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exit 0
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fi
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exec go build -ldflags "-X tailscale.com/version.Long=${LONG} -X tailscale.com/version.Short=${SHORT} -X tailscale.com/version.GitCommit=${GIT_HASH}" "$@"
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