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Fall back to ftp.gnu.org when ftpmirror.gnu.org serves a bad file #231

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Merged
jas88 merged 1 commit into from
May 6, 2026
Merged

Fall back to ftp.gnu.org when ftpmirror.gnu.org serves a bad file #231

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28 changes: 23 additions & 5 deletions .github/workflows/build.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -131,19 +131,37 @@ jobs:
- name: Install autoconf and automake
run: |
# xz 5.8.2 was built with automake 1.18.1 and autoconf 2.72
# Download to files and verify checksums (allows HTTP mirror redirects)
# Download with checksum verification; fall back to canonical ftp.gnu.org
# if a mirror serves a bad/corrupt file.
fetch_gnu() {
local path="$1" sha="$2" out="$3"
for url in "https://ftpmirror.gnu.org/gnu/$path" "https://ftp.gnu.org/gnu/$path"; do
echo "Fetching $url"
curl -fsSL --retry 3 --retry-delay 5 "$url" -o "$out" || continue
if echo "$sha $out" | sha256sum -c --status; then
echo "Checksum OK from $url"
return 0
fi
echo "Checksum mismatch from $url, trying next source"
rm -f "$out"
done
echo "All sources failed for $path" >&2
return 1
}
# Install autoconf 2.72
curl -sSL --retry 3 --retry-delay 5 https://ftpmirror.gnu.org/gnu/autoconf/autoconf-2.72.tar.xz -o autoconf-2.72.tar.xz
echo "ba885c1319578d6c94d46e9b0dceb4014caafe2490e437a0dbca3f270a223f5a autoconf-2.72.tar.xz" | sha256sum -c
fetch_gnu autoconf/autoconf-2.72.tar.xz \
ba885c1319578d6c94d46e9b0dceb4014caafe2490e437a0dbca3f270a223f5a \
autoconf-2.72.tar.xz
tar xJf autoconf-2.72.tar.xz
cd autoconf-2.72
./configure --prefix=$HOME/.local
make -j$(nproc)
make install
cd ..
# Install automake 1.18.1 (exact version used to build xz 5.8.2)
curl -sSL --retry 3 --retry-delay 5 https://ftpmirror.gnu.org/gnu/automake/automake-1.18.1.tar.xz -o automake-1.18.1.tar.xz
echo "168aa363278351b89af56684448f525a5bce5079d0b6842bd910fdd3f1646887 automake-1.18.1.tar.xz" | sha256sum -c
fetch_gnu automake/automake-1.18.1.tar.xz \
168aa363278351b89af56684448f525a5bce5079d0b6842bd910fdd3f1646887 \
automake-1.18.1.tar.xz
tar xJf automake-1.18.1.tar.xz
cd automake-1.18.1
./configure --prefix=$HOME/.local
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