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build: pin libtinfo5 download to Ubuntu snapshot #1976

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Merged
sayboras merged 1 commit into from
Jul 17, 2026
Merged

build: pin libtinfo5 download to Ubuntu snapshot #1976

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7 changes: 4 additions & 3 deletions Dockerfile.builder
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Original file line number Diff line number Diff line change
Expand Up @@ -44,13 +44,14 @@ RUN apt-get update && \
# (deliberately, alongside Envoy upgrades) rather than via automated updates.
ENV LLVM_VERSION=18.1.8
ENV LIBTINFO5_VERSION=6.3-2ubuntu0.1
ENV UBUNTU_SNAPSHOT=20240501T120000Z
RUN case "$TARGETARCH" in \
amd64) LLVM_ARCH=x86_64-linux-gnu-ubuntu-18.04; TINFO_MIRROR=http://archive.ubuntu.com/ubuntu ;; \
arm64) LLVM_ARCH=aarch64-linux-gnu; TINFO_MIRROR=http://ports.ubuntu.com/ubuntu-ports ;; \
amd64) LLVM_ARCH=x86_64-linux-gnu-ubuntu-18.04 ;; \
arm64) LLVM_ARCH=aarch64-linux-gnu ;; \
*) echo "unsupported TARGETARCH: $TARGETARCH" >&2; exit 1 ;; \
esac && \
# libtinfo.so.5 compat ABI, required to run the upstream clang on noble
curl -sfL "${TINFO_MIRROR}/pool/universe/n/ncurses/libtinfo5_${LIBTINFO5_VERSION}_${TARGETARCH}.deb" -o /tmp/libtinfo5.deb && \
curl -sfL "https://snapshot.ubuntu.com/ubuntu/${UBUNTU_SNAPSHOT}/pool/universe/n/ncurses/libtinfo5_${LIBTINFO5_VERSION}_${TARGETARCH}.deb" -o /tmp/libtinfo5.deb && \
dpkg -i /tmp/libtinfo5.deb && \
rm /tmp/libtinfo5.deb && \
# upstream LLVM toolchain, extracted into the path the bazel toolchain expects
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