cmake_host_system_information: Can read `/etc/os-release` file

11 files changed, 94 insertions, 1 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index eb2c2d94ae..543ad1d77b 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -349,7 +349,7 @@ if(NOT CMake_TEST_EXTERNAL_CMAKE)
 endif()
 add_RunCMake_test(execute_process)
 add_RunCMake_test(export)
-add_RunCMake_test(cmake_host_system_information)
+add_RunCMake_test(cmake_host_system_information -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME})
 add_RunCMake_test(cmake_language)
 add_RunCMake_test(cmake_minimum_required)
 add_RunCMake_test(cmake_parse_arguments)
diff --git a/Tests/RunCMake/cmake_host_system_information/Exherbo-stdout.txt b/Tests/RunCMake/cmake_host_system_information/Exherbo-stdout.txt
new file mode 100644
index 0000000000..11ae71f42b
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/Exherbo-stdout.txt
@@ -0,0 +1,9 @@
+-- TEST1_ANSI_COLOR=`0;32`
+-- TEST1_BUG_REPORT_URL=`https://bugs.exherbo.org/`
+-- TEST1_HOME_URL=`https://www.exherbo.org/`
+-- TEST1_ID=`exherbo`
+-- TEST1_NAME=`Exherbo`
+-- TEST1_PRETTY_NAME=`Exherbo Linux`
+-- TEST1_SUPPORT_URL=`irc://irc.freenode.net/#exherbo`
+-- TEST2_ID=`exherbo`
+-- TEST2_VERSION=``
diff --git a/Tests/RunCMake/cmake_host_system_information/Exherbo.cmake b/Tests/RunCMake/cmake_host_system_information/Exherbo.cmake
new file mode 100644
index 0000000000..7fc26d812a
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/Exherbo.cmake
@@ -0,0 +1,11 @@
+cmake_host_system_information(RESULT TEST1 QUERY DISTRIB_INFO)
+
+foreach(VAR IN LISTS TEST1)
+  message(STATUS "${VAR}=`${${VAR}}`")
+endforeach()
+
+# Query individual variables
+cmake_host_system_information(RESULT TEST2 QUERY DISTRIB_ID DISTRIB_VERSION)
+list(POP_FRONT TEST2 TEST2_ID TEST2_VERSION)
+message(STATUS "TEST2_ID=`${TEST2_ID}`")
+message(STATUS "TEST2_VERSION=`${TEST2_VERSION}`")
diff --git a/Tests/RunCMake/cmake_host_system_information/Exherbo/etc/os-release b/Tests/RunCMake/cmake_host_system_information/Exherbo/etc/os-release
new file mode 100644
index 0000000000..944c9b44ef
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/Exherbo/etc/os-release
@@ -0,0 +1,7 @@
+NAME="Exherbo"
+PRETTY_NAME="Exherbo Linux"
+ID="exherbo"
+ANSI_COLOR="0;32"
+HOME_URL="https://www.exherbo.org/"
+SUPPORT_URL="irc://irc.freenode.net/#exherbo"
+BUG_REPORT_URL="https://bugs.exherbo.org/"
diff --git a/Tests/RunCMake/cmake_host_system_information/RunCMakeTest.cmake b/Tests/RunCMake/cmake_host_system_information/RunCMakeTest.cmake
index be74ade0e5..6cbb7fd39b 100644
--- a/Tests/RunCMake/cmake_host_system_information/RunCMakeTest.cmake
+++ b/Tests/RunCMake/cmake_host_system_information/RunCMakeTest.cmake
@@ -6,3 +6,11 @@ run_cmake(BadArg3)
 
 run_cmake(QueryList)
 run_cmake(QueryKeys)
+
+if (CMAKE_SYSTEM_NAME MATCHES "Linux")
+
+  run_cmake_with_options(UnitTest)
+  run_cmake_with_options(Exherbo)
+  run_cmake_with_options(Ubuntu)
+
+endif()
diff --git a/Tests/RunCMake/cmake_host_system_information/Ubuntu-stdout.txt b/Tests/RunCMake/cmake_host_system_information/Ubuntu-stdout.txt
new file mode 100644
index 0000000000..d1a18da234
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/Ubuntu-stdout.txt
@@ -0,0 +1,14 @@
+-- TEST1_BUG_REPORT_URL=`https://bugs\.launchpad\.net/ubuntu/`
+-- TEST1_HOME_URL=`https://www\.ubuntu\.com/`
+-- TEST1_ID=`ubuntu`
+-- TEST1_ID_LIKE=`debian`
+-- TEST1_NAME=`Ubuntu`
+-- TEST1_PRETTY_NAME=`Ubuntu 20\.04\.2 LTS`
+-- TEST1_PRIVACY_POLICY_URL=`https://www\.ubuntu\.com/legal/terms-and-policies/privacy-policy`
+-- TEST1_SUPPORT_URL=`https://help\.ubuntu\.com/`
+-- TEST1_UBUNTU_CODENAME=`focal`
+-- TEST1_VERSION=`20\.04\.2 LTS \(Focal Fossa\)`
+-- TEST1_VERSION_CODENAME=`focal`
+-- TEST1_VERSION_ID=`20\.04`
+-- TEST2_ID=`ubuntu`
+-- TEST2_VERSION=`20\.04\.2 LTS \(Focal Fossa\)`
diff --git a/Tests/RunCMake/cmake_host_system_information/Ubuntu.cmake b/Tests/RunCMake/cmake_host_system_information/Ubuntu.cmake
new file mode 100644
index 0000000000..7fc26d812a
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/Ubuntu.cmake
@@ -0,0 +1,11 @@
+cmake_host_system_information(RESULT TEST1 QUERY DISTRIB_INFO)
+
+foreach(VAR IN LISTS TEST1)
+  message(STATUS "${VAR}=`${${VAR}}`")
+endforeach()
+
+# Query individual variables
+cmake_host_system_information(RESULT TEST2 QUERY DISTRIB_ID DISTRIB_VERSION)
+list(POP_FRONT TEST2 TEST2_ID TEST2_VERSION)
+message(STATUS "TEST2_ID=`${TEST2_ID}`")
+message(STATUS "TEST2_VERSION=`${TEST2_VERSION}`")
diff --git a/Tests/RunCMake/cmake_host_system_information/Ubuntu/etc/os-release b/Tests/RunCMake/cmake_host_system_information/Ubuntu/etc/os-release
new file mode 100644
index 0000000000..f228f22264
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/Ubuntu/etc/os-release
@@ -0,0 +1,12 @@
+NAME="Ubuntu"
+VERSION="20.04.2 LTS (Focal Fossa)"
+ID=ubuntu
+ID_LIKE=debian
+PRETTY_NAME="Ubuntu 20.04.2 LTS"
+VERSION_ID="20.04"
+HOME_URL="https://www.ubuntu.com/"
+SUPPORT_URL="https://help.ubuntu.com/"
+BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
+PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
+VERSION_CODENAME=focal
+UBUNTU_CODENAME=focal
diff --git a/Tests/RunCMake/cmake_host_system_information/UnitTest-stdout.txt b/Tests/RunCMake/cmake_host_system_information/UnitTest-stdout.txt
new file mode 100644
index 0000000000..db6f48760c
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/UnitTest-stdout.txt
@@ -0,0 +1,7 @@
+-- UNIT_TEST_A_LIST_LIKE_VARIABLE=`satu;dua;tiga`
+-- UNIT_TEST_DBL_QUOTED_VALUE=`"The" value in double "quotes"`
+-- UNIT_TEST_DBL_QUOTED_VALUE_STIPPED_COMMENT=`Blah blah blah`
+-- UNIT_TEST_NON_SPACE_VALUE=`Blah-blah-blah`
+-- UNIT_TEST_QUOTED_VALUE=`'The' value in single 'quotes'`
+-- UNIT_TEST_QUOTED_VALUE_STIPPED_COMMENT=`The value in single quotes`
+-- UNIT_TEST_THE_URL_WITH_ANCHOR_TEST=`https://blah.blah/resource#anchor`
diff --git a/Tests/RunCMake/cmake_host_system_information/UnitTest.cmake b/Tests/RunCMake/cmake_host_system_information/UnitTest.cmake
new file mode 100644
index 0000000000..d9a0acae84
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/UnitTest.cmake
@@ -0,0 +1,5 @@
+cmake_host_system_information(RESULT UNIT_TEST QUERY DISTRIB_INFO)
+
+foreach(VAR IN LISTS UNIT_TEST)
+  message(STATUS "${VAR}=`${${VAR}}`")
+endforeach()
diff --git a/Tests/RunCMake/cmake_host_system_information/UnitTest/etc/os-release b/Tests/RunCMake/cmake_host_system_information/UnitTest/etc/os-release
new file mode 100644
index 0000000000..66c33b5992
--- /dev/null
+++ b/Tests/RunCMake/cmake_host_system_information/UnitTest/etc/os-release
@@ -0,0 +1,9 @@
+# Comment string gonna be ignored
+NON_SPACE_VALUE=Blah-blah-blah
+QUOTED_VALUE='\'The\' value in single \'quotes\''
+QUOTED_VALUE_STIPPED_COMMENT='The value in single quotes'# The comment right after `'`
+DBL_QUOTED_VALUE="\"The\" value in double \"quotes\""
+DBL_QUOTED_VALUE_STIPPED_COMMENT="Blah blah blah"# The comment right after `'`
+THE_URL_WITH_ANCHOR_TEST="https://blah.blah/resource#anchor" # And a comment after
+A_LIST_LIKE_VARIABLE='satu;dua;tiga'
+INCORRECT_ESCAPE_IGNORED=\'This line gonna be ignored'