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diff --git a/test/other_tools/git_operations/git_config_proxy.sh b/test/other_tools/git_operations/git_config_proxy.sh
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+#!/bin/sh
+# Copyright 2023 Huawei Cloud Computing Technology Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eu
+
+###
+# Run Git config proxy settings retrieval tests for various scenarios
+#
+# Expected Git config (relative) file path: gitconfig
+##
+
+readonly ROOT=`pwd`
+readonly TESTEXEC="${ROOT}/src/git_config_run_test"
+
+# ensure clean env for this type of test
+unset all_proxy
+unset ALL_PROXY
+unset no_proxy
+unset NO_PROXY
+unset http_proxy
+unset https_proxy
+unset HTTPS_PROXY
+
+# Set up the test scenarios to be run in parallel
+k=1 # scenarios counter
+
+echo
+echo "Scenario $k: default (clean env and missing config)"
+k=$((k+1))
+envcmd=""
+url="https://192.0.2.1"
+result=""
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: proxy from all_proxy envariable"
+k=$((k+1))
+envcmd="all_proxy=198.51.100.1:50000"
+url="https://example.com" # scheme must match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: proxy from ALL_PROXY envariable"
+k=$((k+1))
+envcmd="ALL_PROXY=198.51.100.1:50000"
+url="https://example.com" # scheme must match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: lowercase all_proxy envariable priority"
+k=$((k+1))
+envcmd="all_proxy=198.51.100.1:50000 ALL_PROXY=192.0.2.1:50505"
+url="https://example.com" # scheme does not match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: proxy from http_proxy"
+k=$((k+1))
+envcmd="http_proxy=198.51.100.1:50000"
+url="http://example.com" # scheme must match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: proxy from https_proxy"
+k=$((k+1))
+envcmd="https_proxy=198.51.100.1:50000"
+url="https://example.com" # scheme must match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: proxy from HTTPS_PROXY"
+k=$((k+1))
+envcmd="HTTPS_PROXY=198.51.100.1:50000"
+url="https://example.com" # scheme must match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: scheme mismatch in envariable"
+k=$((k+1))
+envcmd="https_proxy=198.51.100.1:50000"
+url="http://example.com" # scheme does not match envariable
+result=""
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: lowercase http_proxy envariable priority"
+k=$((k+1))
+envcmd="https_proxy=198.51.100.1:50000 HTTPS_PROXY=192.0.2.1:50505"
+url="https://example.com" # scheme does not match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: specific and generic envariables priority"
+k=$((k+1))
+envcmd="http_proxy=198.51.100.1:50000 all_proxy=192.0.2.1:50505"
+url="http://example.com" # scheme must match envariable
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: proxy via http.proxy config entry"
+k=$((k+1))
+envcmd=""
+url="https://example.com"
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: proxy via http.<url>.proxy config entry"
+k=$((k+1))
+envcmd=""
+url="https://example.com"
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http "https://example.com"]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: config entry specificity priority"
+k=$((k+1))
+envcmd=""
+url="https://example.com"
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http]
+ proxy = 192.0.2.1:50505
+[http "https://example.com"]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: config entry last best match wins"
+k=$((k+1))
+envcmd=""
+url="https://example.com.org" # url needs two subdomains with same length
+result="http://198.51.100.1:50000/" # proxy default scheme is http
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http "https://example.*.org"]
+ proxy = 192.0.2.1:50505
+[http "https://example.com.*"]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: disable proxy via http.<url>.proxy config entry"
+k=$((k+1))
+envcmd=""
+url="https://example.com"
+result="" # no proxy
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http]
+ proxy = 192.0.2.1:50505
+[http "https://example.com"]
+ proxy =
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: ignored empty http.proxy config entry"
+k=$((k+1))
+envcmd=""
+url="https://example.com"
+result="http://198.51.100.1:50000/" # no proxy
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http]
+ proxy =
+[http "https://example.com"]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: disable proxy with NO_PROXY envariable"
+k=$((k+1))
+envcmd="NO_PROXY=foo,.com"
+url="https://example.com"
+result="" # no proxy
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: disable proxy with no_proxy envariable"
+k=$((k+1))
+envcmd="no_proxy=foo,.example.com"
+url="http://example.com"
+result="" # no proxy
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
+
+echo
+echo "Scenario $k: unmatched no_proxy envariables fallthrough"
+k=$((k+1))
+envcmd="no_proxy=.com:50505 NO_PROXY=*.com" # port must match; wildcard misuse
+url="http://example.com"
+result="http://198.51.100.1:50000/"
+$(
+cd $(mktemp -d)
+cat > gitconfig <<INNER
+[http]
+ proxy = 198.51.100.1:50000
+INNER
+eval "${envcmd} ${TESTEXEC} proxy ${url} ${result}"
+cd ${ROOT}
+)
+echo "PASSED"
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-04 08:08:02 +0000