mirror of
https://github.com/rbenv/ruby-build.git
synced 2025-10-31 17:20:59 +01:00
116 lines
2.3 KiB
Bash
Executable file
116 lines
2.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Usage: script/mirror update <COMMIT-RANGE>
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# script/mirror verify <COMMIT-RANGE>
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# script/mirror stats
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set -e
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eval "$(grep RUBY_BUILD_MIRROR_URL= ./bin/ruby-build | head -1)"
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help_text() {
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sed -ne '/^#/!q;s/.\{1,2\}//;1d;p' < "$0"
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}
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test_mirrored() {
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curl -qsSfIL "$RUBY_BUILD_MIRROR_URL/$1" >/dev/null 2>&1
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}
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compute_sha2() {
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local output="$(openssl dgst -sha256)"
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echo "${output##* }" | tr '[A-Z]' '[a-z]'
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}
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download_package() {
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curl -qsSfL -o "$2" "$1"
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}
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download_and_verify() {
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local checksum
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local url="$1"
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local file="$2"
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local expected="$3"
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download_package "$url" "$file"
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checksum="$(compute_sha2 < "$file")"
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if [ "$checksum" != "$expected" ]; then
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echo "Error: $url doesn't match its checksum $expected" >&2
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return 1
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fi
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}
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changed_files() {
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git diff --name-only --diff-filter=ACMR "$@"
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}
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potentially_new_packages() {
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local files="$(changed_files "$1" -- ./share/ruby-build)"
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[ -n "$files" ] && extract_urls $files
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}
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extract_urls() {
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$(type -p ggrep grep | head -1) -hoe 'http[^"]\+#[^"]\+' "$@" | sort | uniq
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}
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update() {
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local url
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local checksum
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local file
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for url in $(potentially_new_packages "$1"); do
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checksum="${url#*#}"
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url="${url%#*}"
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if test_mirrored "$checksum"; then
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echo "Already mirrored: $url"
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else
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echo "Mirroring: $url"
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file="${TMPDIR:-/tmp}/$checksum"
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download_and_verify "$url" "$file" "$checksum"
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./script/s3-put "$file" "${AMAZON_S3_BUCKET?}"
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fi
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done
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}
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verify() {
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local url
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local checksum
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local file
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for url in $(potentially_new_packages "$1"); do
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checksum="${url#*#}"
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url="${url%#*}"
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echo "Verifying checksum for $url"
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file="${TMPDIR:-/tmp}/$checksum"
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download_and_verify "$url" "$file" "$checksum"
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done
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}
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stats() {
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local packages=( $(extract_urls ./share/ruby-build/*) )
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local total="${#packages[@]}"
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local confirmed=0
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local checksum
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for url in "${packages[@]}"; do
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checksum="${url#*#}"
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if test_mirrored "$checksum"; then
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confirmed="$((confirmed + 1))"
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else
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echo "failed: $url" >&2
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fi
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echo -n "."
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done
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echo
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echo "$confirmed/$total mirrored"
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}
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cmd="$1"
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case "$cmd" in
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update | verify | stats )
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shift 1
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"$cmd" "$@"
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;;
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-h | --help )
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help_text
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exit 0
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;;
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* )
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help_text >&2
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exit 1
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;;
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esac
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