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fix awk pipe error - apt-cache policy dwz

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apt-cache policy dwz abort error while   build openssh in ubunut 22.04
This commit is contained in:
udhayakumar - (return 0;)
2026-09-15 15:09:49 +05:30
committed by GitHub
parent c70df46e89
commit 03ff42aabf
1 changed files with 18 additions and 2 deletions
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20
install_deps.sh
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@@ -17,6 +17,22 @@ __root="$(cd "$(dirname "${__dir}")" && pwd)" # <-- change this as it depends on
export DEBIAN_FRONTEND=noninteractive
# ---------------------------------------------------------------------------
# _apt_candidate_version: get a package's candidate version string, or ""
#
# Deliberately does NOT use `awk '{print; exit}'` / `head -n1` to short-
# circuit the pipe. Under `set -o pipefail`, closing the read end early
# causes the upstream command (apt-cache policy) to receive SIGPIPE on its
# next write and exit 141; pipefail then reports 141 for the whole pipeline
# even though the value was captured correctly, which trips `errexit` via
# the ERR trap. Letting awk consume the full (small) stream avoids that
# failure mode entirely rather than papering over it with `|| true`.
# ---------------------------------------------------------------------------
_apt_candidate_version() {
local pkg="$1"
apt-cache policy "$pkg" 2>/dev/null | awk '/Candidate:/{v=$2} END{print v}'
}
# ---------------------------------------------------------------------------
# fix_apt_sources: unified APT source fixing
# Order: fix EOL archives first, then apply APT_MIRROR.
@@ -185,7 +201,7 @@ if dpkg --compare-versions "$__debhelper_ver" lt '13.12~'; then
# debhelper needs dwz >= 0.12.20190711, newer than some distros ship
# (Ubuntu 18.04 has 0.12-2): pull it from the distro backports pocket.
__dwz_ver="$(apt-cache policy dwz 2>/dev/null | awk '/Candidate:/{print $2; exit}')"
__dwz_ver="$(_apt_candidate_version dwz)"
[[ -z $__dwz_ver || $__dwz_ver == "(none)" ]] && __dwz_ver=0
if dpkg --compare-versions "$__dwz_ver" lt '0.12.20190711'; then
apt install -y -t "$(lsb_release -sc)-backports" dwz
@@ -214,7 +230,7 @@ if dpkg --compare-versions "$__debhelper_ver" lt '13.12~'; then
# debhelper hardcodes versioned deps on init-system-helpers that old distros
# predate (Ubuntu 18.04: 1.51); the subcommands used are all supported there.
__ish_ver="$(apt-cache policy init-system-helpers 2>/dev/null | awk '/Candidate:/{print $2; exit}')"
__ish_ver="$(_apt_candidate_version init-system-helpers)"
[[ -z $__ish_ver || $__ish_ver == "(none)" ]] && __ish_ver=0
if dpkg --compare-versions "$__ish_ver" lt '1.52'; then
sed -i "s/\">= 1\.52\"/\">= $__ish_ver\"/; s/\">= 1\.66~\"/\">= $__ish_ver\"/" /usr/bin/dh_installsystemduser