26 lines
955 B
Bash
Executable File
26 lines
955 B
Bash
Executable File
#!/bin/bash
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#
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# Fetches a version of complement which best matches the current build.
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#
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# The tarball is unpacked into `./complement`.
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set -e
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mkdir -p complement
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# Pick an appropriate version of complement. Depending on whether this is a PR or release,
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# etc. we need to use different fallbacks:
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#
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# 1. First check if there's a similarly named branch (GITHUB_HEAD_REF
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# for pull requests, otherwise GITHUB_REF).
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# 2. Attempt to use the base branch, e.g. when merging into release-vX.Y
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# (GITHUB_BASE_REF for pull requests).
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# 3. Use the default complement branch ("HEAD").
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for BRANCH_NAME in "$GITHUB_HEAD_REF" "$GITHUB_BASE_REF" "${GITHUB_REF#refs/heads/}" "HEAD"; do
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# Skip empty branch names and merge commits.
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if [[ -z "$BRANCH_NAME" || $BRANCH_NAME =~ ^refs/pull/.* ]]; then
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continue
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fi
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(wget -O - "https://github.com/matrix-org/complement/archive/$BRANCH_NAME.tar.gz" | tar -xz --strip-components=1 -C complement) && break
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done
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