59 lines
2.0 KiB
Bash
59 lines
2.0 KiB
Bash
#!/usr/bin/env bash
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# GitHub API helper functions for Bootstrap installers
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# Usage: github_get_latest_release <owner/repo>
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# Prints the tag_name of the latest release.
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# Installers still use this function instead of just directly invoking download_asset function:
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# - Asset names often contain the version
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# - Installers may compare the latest tag from github against the locally installed version before doing any work.
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# - We need concrete version string so we can pass it to the reigster_tool function.
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github_get_latest_release() {
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local repo="$1"
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local tag
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tag=$(curl -fsSL "https://api.github.com/repos/$repo/releases/latest" | jq -r '.tag_name // empty')
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echo "$tag"
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}
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# Usage: github_get_download_url <owner/repo> <tag> <regex_pattern>
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# Finds the asset matching the regex pattern in the specified release tag and prints its download URL.
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github_get_download_url() {
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local repo="$1"
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local tag="$2"
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local pattern="$3"
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# If the tag is exactly 'latest', fetch the latest release asset list
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local endpoint
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if [ "$tag" = "latest" ]; then
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endpoint="https://api.github.com/repos/$repo/releases/latest"
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else
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endpoint="https://api.github.com/repos/$repo/releases/tags/$tag"
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fi
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local url
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url=$(curl -fsSL "$endpoint" | jq -r --arg regex "$pattern" '.assets[] | select(.name | test($regex; "i")) | .browser_download_url' | head -n1)
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echo "$url"
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}
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# Usage: github_download_asset <owner/repo> <tag> <regex_pattern> <dest_file>
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# Resolves the URL for the matching asset and downloads it to dest_file.
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github_download_asset() {
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local repo="$1"
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local tag="$2"
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local pattern="$3"
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local dest="$4"
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local url
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url=$(github_get_download_url "$repo" "$tag" "$pattern")
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if [ -z "$url" ]; then
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log_error "Could not find asset matching regex '$pattern' for $repo@$tag"
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return 1
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fi
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log_info "Downloading $url ..."
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download_file "$url" "$dest"
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}
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export -f github_get_latest_release github_get_download_url github_download_asset
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