30 lines
841 B
Bash
Executable File
30 lines
841 B
Bash
Executable File
#!/bin/sh
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if [ "$#" -ne 2 ]; then
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echo "Usage: $0 <tip of master> <tip of PR>"
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exit 1
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fi
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pr_tip=$1
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master_tip=$2
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# When called on `pull_request`, GA fails to pull down master by default.
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# When called on `push`, GA fails to pull down the PR by default, only its merge commit.
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# The simplest way to deal with this is to just pull both explicitly.
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git fetch origin "$master_tip":master_tip
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git fetch origin "$pr_tip":pr_tip
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pr_base=$(git merge-base master_tip pr_tip)
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echo "Using master $master_tip"
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echo "Using PR tip $pr_tip"
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echo "Using PR base $pr_base"
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# If something modifies any non-markdown file, it's considered a source code change.
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if git diff --name-only "$pr_base" "$pr_tip" | grep -qv "^.md$"; then
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echo "pr_changed_source=true" >> "$GITHUB_OUTPUT"
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else
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echo "pr_changed_source=false" >> "$GITHUB_OUTPUT"
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fi
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