From 069a506ac71cbd40a48c68604a4793b3f78282c6 Mon Sep 17 00:00:00 2001
From: Krzesimir Nowak <knowak@microsoft.com>
Date: Thu, 1 Oct 2026 15:55:56 +0200
Subject: [PATCH] jenkins, ci-automation: Drop POSIXLY_CORRECT from environment

It wasn't in the environment on purpose, just a side effect of using
`sh` instead of `bash`.

Signed-off-by: Krzesimir Nowak <knowak@microsoft.com>
---
 ci-automation/garbage_collect_github_ci_sdk.sh | 2 +-
 ci-automation/garbage_collect_releases.sh      | 7 ++-----
 jenkins/systemd-run-wrap.sh                    | 6 ++++--
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/ci-automation/garbage_collect_github_ci_sdk.sh b/ci-automation/garbage_collect_github_ci_sdk.sh
index 6a05ca31741..b1bf83fcdf7 100644
--- a/ci-automation/garbage_collect_github_ci_sdk.sh
+++ b/ci-automation/garbage_collect_github_ci_sdk.sh
@@ -70,7 +70,7 @@ function _garbage_collect_github_ci_impl() {
     echo "${versions_sorted}" | awk '{printf "%5d %s\n", NR, $0}'
 
     local purge_versions
-    mapfile -t purge_versions < <(unset POSIXLY_CORRECT; \
+    mapfile -t purge_versions < <(
             echo "${versions_sorted}" \
             | awk -v keep="${keep}" -v min_age="${min_age_date}" '{
                 if (keep > 0) {
diff --git a/ci-automation/garbage_collect_releases.sh b/ci-automation/garbage_collect_releases.sh
index 4ac2f628f86..1b75a3731ef 100644
--- a/ci-automation/garbage_collect_releases.sh
+++ b/ci-automation/garbage_collect_releases.sh
@@ -43,10 +43,7 @@ function _garbage_collect_releases_impl() {
     source ci-automation/ci_automation_common.sh
     local sshcmd="$(gen_sshcmd)"
 
-    local keep=$( 
-        # For some reasons this is set to the empty string in some environments and it makes gawk
-        #  behave like POSIX awk (i.e. no 'gensub').
-        unset POSIXLY_CORRECT
+    local keep=$(
         curl -s "${RELEASES_JSON_FEED}" \
             | jq -r 'keys_unsorted | .[] | match("[0-9]+\\.[0-9]+\\.[0-9]+") | .string' \
             | sort -Vr \
@@ -102,7 +99,7 @@ function _garbage_collect_releases_impl() {
             #   skip if candidate version is marked for keeping OR if it's a new release about to be published
             #   or if it ships an SDK used by a version in the keep list.
             if printf "%s\n" "${keep_versions[@]}" \
-               | { unset POSIXLY_CORRECT ; awk -v candidate_version="${version}" -v path="${dir}" '
+               | { awk -v candidate_version="${version}" -v path="${dir}" '
                 BEGIN {
                     # Candidate version (from build cache directory) that was passed in candidate_version variable
                     candidate_major = gensub("([0-9]+)\\.[0-9]+\\.[0-9]+","\\1","g", candidate_version) + 0
diff --git a/jenkins/systemd-run-wrap.sh b/jenkins/systemd-run-wrap.sh
index 392dde7fecf..4b5c4e0b974 100755
--- a/jenkins/systemd-run-wrap.sh
+++ b/jenkins/systemd-run-wrap.sh
@@ -7,8 +7,10 @@ export PATH="$PATH:/opt/bin"
 
 # Use a system session unit because the user session may not be set up correctly in a CI env
 ARGS=("--system" "--collect" "--same-dir" "--pipe" "--wait" "--property=User=$USER" "--property=Group=$USER")
-# Extra "sh -c" is needed to only export the exported variables
-for VARNAME in $(sh -c 'compgen -v'); do
+# Extra "bash -c" is needed to only export the exported variables. Do
+# not use sh - it will add POSIXLY_CORRECT into the environment, which
+# is unnecessary.
+for VARNAME in $(bash -c 'compgen -v'); do
   set +u
   VAL="${!VARNAME}"
   set -u