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Added retries to the rust downloads (3.24.x backport) #2442

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Added retries to the rust downloads (3.24.x backport) #2442

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6eaf6b5
Added retries to the rust downloads
claude Aug 17, 2026
dae6824
Fixed /tmp remount running on build hosts that have no /tmp mount
nickanderson Aug 15, 2026
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5 changes: 4 additions & 1 deletion ci/cfengine-build-host-setup.cf
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Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,10 @@ bundle agent cfengine_build_host_setup

linux::
"have_tmp_mount"
expression => returnszero("mount | grep '/tmp'", "useshell");
comment => "Match the mount point exactly, an unqualified '/tmp' also matches
mounts below it like the '/tmp/snap.rootfs_XXXXXX' that a failed
snap install hook leaves behind.",
expression => returnszero("mount | grep -E ' on /tmp '", "useshell");

"have_coredumpctl"
expression => returnszero("command -v coredumpctl", "useshell");
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19 changes: 18 additions & 1 deletion ci/linux-install-rust.sh
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Expand Up @@ -53,7 +53,24 @@ install_rust() {
name="$1"
sha="$2"
tarball="$name.tar.gz"
wget --quiet "$baseurl/$tarball"

# Retry in case of transient errors.
tries=3
while [ $tries -gt 0 ]; do
# -O keeps every attempt writing to the same file rather than adding a .1 suffix.
status=0
wget --quiet -O "$tarball" "$baseurl/$tarball" || status=$?
if [ $status -eq 0 ]; then
break
fi
tries=$((tries - 1))
sleep 10
done
if [ $tries -eq 0 ]; then
echo "wget failed with status $status: $baseurl/$tarball" >&2
exit 1
fi

echo "$sha $tarball" | sha256sum --check -
tar xf "$tarball"
rm "$tarball"
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