ts: format OS name to ease comparisons

testsuite/install.00-init/005-init_ts.exp

@@ -53,12 +53,11 @@ if {$sh_kind eq {sh} && ![catch {exec /bin/sh -c {echo $BASH_VERSION}} errMsg] &
 }
 send_user "\tsh_kind is '$sh_kind'\n"
 
+# extract and format os name
+set os_name [string tolower [lindex [split $tcl_platform(os) _] 0]]
+
 # determine if sh-shell is a strict sh implementation
-if {$sh_kind eq "dash" || ($tcl_platform(os) ne "Linux"\
-   && $tcl_platform(os) ne "Darwin"\
-   && ![string match "CYGWIN*" $tcl_platform(os)]\
-   && ![string match "MINGW*" $tcl_platform(os)]\
-   && ![string match "MSYS_NT*" $tcl_platform(os)])} {
+if {$sh_kind eq "dash" || $os_name ni {linux darwin cygwin mingw msys}} {
    set sh_strict 1
 } else {
    set sh_strict 0
@@ -74,7 +73,7 @@ if {$bashbin ne {}} {
 }
 
 # check SIP is enabled or not on OS X
-if {$tcl_platform(os) eq "Darwin"} {
+if {$os_name eq "darwin"} {
     catch {
         regexp {System Integrity Protection status: enabled.} [exec csrutil status] csrutil_enabled
     } errMsg
@@ -131,7 +130,7 @@ foreach shell [list sh bash basheu ksh zsh csh tcsh fish tcl perl python ruby cm
       }
       pwsh {
          # Don't test pwsh in cygwin or msys (pwsh.exe won't work properly)
-         if {![regexp "(CYGWIN|MINGW|MSYS_NT).*" $tcl_platform(os)]} {
+         if {$os_name ni {cygwin mingw msys}} {
             set shellbin [find_bin pwsh]
          } else {
             set shellbin ""

testsuite/install.00-init/040-subshell.exp

@@ -26,7 +26,7 @@ set zsh_nf "command not found: module"
 set zsh_nf_ml "command not found: ml"
 set tcsh_nf "module: Command not found."
 set tcsh_nf_ml "ml: Command not found."
-if {$tcl_platform(os) eq "SunOS"} {
+if {$os_name eq "sunos"} {
    set csh_nf "module: Command not found"
    set csh_nf_ml "ml: Command not found"
 } else {
@@ -35,10 +35,10 @@ if {$tcl_platform(os) eq "SunOS"} {
 }
 set fish_nf "fish: Unknown command:? '?module"
 set fish_nf_ml "fish: Unknown command:? '?ml"
-if {$tcl_platform(os) eq "SunOS"} {
+if {$os_name eq "sunos"} {
    set sh_nf "module: not found \\\[No such file or directory\\\]"
    set sh_nf_ml "ml: not found \\\[No such file or directory\\\]"
-} elseif {$tcl_platform(os) eq "FreeBSD"} {
+} elseif {$os_name eq "freebsd"} {
    set sh_nf "eval: module: not found"
    set sh_nf_ml "eval: ml: not found"
 } else {

testsuite/install.00-init/050-crossshell.exp

@@ -23,9 +23,9 @@
 set bad_cmd "$error_msgs: Invalid command 'foo'"
 
 set bash_nf "(.*: )?module: command not found"
-if {$tcl_platform(os) eq "SunOS"} {
+if {$os_name eq "sunos"} {
    set cmd_nf "module: not found \\\[No such file or directory\\\]"
-} elseif {$tcl_platform(os) eq "FreeBSD"} {
+} elseif {$os_name eq "freebsd"} {
    set cmd_nf "eval: module: not found"
 } elseif {$sh_kind eq "dash"} {
    set cmd_nf "(.*: )?module: not found"
@@ -36,7 +36,7 @@ if {$tcl_platform(os) eq "SunOS"} {
 set ksh_nf "(.*: )?module: (inaccessible or )?not found( \\\[No such file or directory\\\])?"
 set zsh_nf "(\\\(eval\\\):1: )?command not found: module"
 set tcsh_nf "module: Command not found."
-if {$tcl_platform(os) eq "SunOS"} {
+if {$os_name eq "sunos"} {
    set csh_nf "module: Command not found"
 } else {
    set csh_nf $tcsh_nf
@@ -75,7 +75,7 @@ foreach subshell $shell_list {
                }
                ksh {
                   # sh is a ksh on Solaris
-                  if {$tcl_platform(os) eq "SunOS"} {
+                  if {$os_name eq "sunos"} {
                      testall_cmd_re "$shell" "module --version" "" "^Modules Release \\S+ (\\S+)" 0
                   } else {
                      testall_cmd_re "$shell" "module --version" "" "$cmd_nf" 127
@@ -129,7 +129,7 @@ foreach subshell $shell_list {
                }
                ksh {
                   # sh is a ksh on Solaris
-                  if {$tcl_platform(os) eq "SunOS"} {
+                  if {$os_name eq "sunos"} {
                      testall_cmd_re "$shell" "module --version" "" "^Modules Release \\S+ (\\S+)" 0
                   } else {
                      testall_cmd_re "$shell" "module --version" "" "$cmd_nf" 127

testsuite/install.00-init/090-sh-to-mod.exp

@@ -34,7 +34,7 @@ foreach sh $shtomod_supported_shells {
     if {$shbin ne {}} {
        # mksh flavor of ksh is not supported
        # sh from FreeBSD is not supported too
-        if {($sh ne {ksh} || !$ksh_is_mksh) && ($sh ne {sh} || $tcl_platform(os) ne {FreeBSD})} {
+        if {($sh ne {ksh} || !$ksh_is_mksh) && ($sh ne {sh} || $os_name ne {freebsd})} {
            lappend shtomod_avail_shells $sh
         }
         if {[lsearch -exact $shtomod_supported_fshells $sh] != -1} {
@@ -86,7 +86,7 @@ foreach sh $shtomod_avail_shells {
            # no shell mix for csh, as a function or alias defined for a sh/fish shell will not work on csh
            # disable test if wa277 is enabled as in this case csh module alias has no protection against special chars in output
            if {($fsh eq {csh} || $fsh eq {tcsh}) && ($sh eq {csh} || $sh eq {tcsh}) && $install_wa277 eq {n}} {
-              set tserr [expr {$tcl_platform(os) eq {Darwin} || $tcl_platform(os) eq {FreeBSD} ? {} : {tr: warning: an unescaped backslash at end of string is not portable}}]
+              set tserr [expr {$os_name in {darwin freebsd} ? {} : {tr: warning: an unescaped backslash at end of string is not portable}}]
               testall_cmd $fsh "module sh-to-mod $sh $testscriptcsh $testscriptshargs_csh >& shtomod\; module load ./shtomod\; $testshenvcmds_csh" $tsout_csh $tserr 0
            }
         } elseif {$sh eq {dash} || ($sh eq {sh} && $sh_kind eq {dash})} {

testsuite/modules.00-init/005-init_ts.exp

@@ -36,12 +36,15 @@ if {[file type /bin/sh] eq {link}} {
    set sh_kind sh
 }
 
+# extract and format os name
+set os_name [string tolower [lindex [split $tcl_platform(os) _] 0]]
+
 # get current terminal width
 proc getTtyCols {} {
     set nbcols {}
 
-    switch -- $::tcl_platform(os) {
-        {SunOS} {
+    switch -- $::os_name {
+        {sunos} {
             catch {regexp {columns = (\d+);} [exec stty] match nbcols} errMsg
         }
         default {
@@ -85,7 +88,7 @@ proc find_bin {name} {
 }
 
 # check SIP is enabled or not on OS X
-if {$tcl_platform(os) eq "Darwin"} {
+if {$os_name eq "darwin"} {
     catch {
         regexp {System Integrity Protection status: enabled.} [exec csrutil status] csrutil_enabled
     } errMsg
@@ -294,7 +297,8 @@ proc cmpversion {str1 str2} {
 
 # report current system information
 send_user "\tMachine hardware name is '$tcl_platform(machine)'\n"
-send_user "\tOS name is '$tcl_platform(os)'\n"
+send_user "\tOS code name is '$tcl_platform(os)'\n"
+send_user "\tOS cleaned name is '$os_name'\n"
 send_user "\tOS version is '$tcl_platform(osVersion)'\n"
 send_user "\tPlatform name is '$tcl_platform(platform)'\n"
 

testsuite/modules.00-init/150-access-init.exp

@@ -71,7 +71,7 @@ if {[info exists tclextlib_file]} {
     file rename $tclextlib_file $tclextlib_file.orig
     file copy lib/envmodules.c $tclextlib_file
     set tclextlib_file_abs_re [regsub -all "\(\[.+?\]\)" [file normalize $tclextlib_file] {\\\1}]
-    if {$tcl_platform(os) eq {Darwin}} {
+    if {$os_name eq {darwin}} {
         set tserr "$error_msgs: dlopen\\\($tclextlib_file_abs_re,.*"
     } else {
         set tserr "$error_msgs: couldn't load file \"$tclextlib_file_abs_re\":.*"

testsuite/modules.00-init/170-cwd.exp

@@ -29,8 +29,8 @@ skip_if_quick_mode
 # - when running on Cygwin/MinGW/MSYS which are unaffected by cwd removal
 # - when running on Tcl 8.5 where test outputs are saved in files located in
 #   current working directory
-if {![info exists env(COVERAGE)] && ![regexp {^(CYGWIN|MINGW|MSYS_NT).*}\
-    $tcl_platform(os)] && [cmpversion $tclsh_version 8.6] > -1} {
+if {![info exists env(COVERAGE)] && $os_name ni {cygwin mingw msys}\
+    && [cmpversion $tclsh_version 8.6] > -1} {
 
     # change MODULECMD for the test to make it an absolute path name
     set MODULECMD $env(TESTSUITEDIR)/../$MODULECMD

testsuite/modules.20-locate/043-virtual.exp

@@ -89,7 +89,7 @@ set modavail_8 ""
 set modwhatis_8 ""
 set modpaths_8 [list]
 # a directory can be opened on FreeBSD <= 12.1, so another err message is obtained
-if {$tcl_platform(os) eq "FreeBSD" && [cmpversion [lindex [split $tcl_platform(osVersion) -] 0] 12.1] < 1} {
+if {$os_name eq "freebsd" && [cmpversion [lindex [split $tcl_platform(osVersion) -] 0] 12.1] < 1} {
     set moderr_8 "$err_magic'$modulefile_8'\n$err_contact"
     set modunerr_8 [msg_unload $module_8 "$err_magicns'$modulefile_8'\n$err_contactns"]
 } else {
@@ -104,7 +104,7 @@ set modulefilere_9 [regsub -all "\(\[.+?\]\)" $modulefile_9 {\\\1}]
 set modavail_9 ""
 set modwhatis_9 ""
 set modpaths_9 [list]
-if {$tcl_platform(os) eq "FreeBSD" && [cmpversion [lindex [split $tcl_platform(osVersion) -] 0] 12.1] < 1} {
+if {$os_name eq "freebsd" && [cmpversion [lindex [split $tcl_platform(osVersion) -] 0] 12.1] < 1} {
     set moderr_9 "$err_magic'$modulefile_9'\n$err_contact"
     set modunerr_9 [msg_unload $module_9 "$err_magicns'$modulefile_9'\n$err_contactns"]
 } else {

testsuite/modules.20-locate/100-wspace.exp

@@ -640,7 +640,7 @@ set mp "$modpath wspac "
 set mpre "$modpathre wspac "
 # create modulepath finishing by space on the file (it crashes git checkout on Windows if saved in repo)
 # MSYS environment does not support anymore such test
-if {!$is_symlink_supported || [string match MSYS_NT* $tcl_platform(os)] || [catch {file link -symbolic $mp modulefiles.2}]} {
+if {!$is_symlink_supported || $os_name eq {msys} || [catch {file link -symbolic $mp modulefiles.2}]} {
     send_user "\tskipping tests over '$mp' modulepath as symbolic links are not supported on filesystem\n"
 } else {
 

testsuite/modules.30-cache/040-cache-use.exp

@@ -284,7 +284,7 @@ file delete $mp2
 
 # test over a modulepath containing a space character
 # skip test on MSYS platform or if symlink creation is not supported
-if {$is_symlink_supported && ![regexp {^MSYS_NT.*} $tcl_platform(os)]} {
+if {$is_symlink_supported && $os_name ne {msys}} {
 set mpws "$env(HOME)/mp ws"
 set mpwscache $mpws/.modulecache
 file link -symbolic $mpws $mp1

testsuite/modules.50-cmds/095-uname.exp

@@ -39,8 +39,8 @@ set modulefile "$modpath/$module"
 #
 
 regsub -all \# $u_version {\\\#} u_version
-switch -- $tcl_platform(os) {
-    {Darwin} {
+switch -- $os_name {
+    {darwin} {
         regsub -all {;} $u_version {\\\;} u_version
     }
 }

testsuite/modules.50-cmds/400-source-sh.exp

@@ -1402,7 +1402,7 @@ lappend ans [list chdir $mp]
 # following test is expected to fail on CYGWIN due to a packaging issue:
 # fish shell initialization script uses pgrep utility which is not available
 # see https://cygwin.com/pipermail/cygwin/2024-January/255154.html
-testouterr_cmd fish {load source-sh/7.2} $ans {} [expr {[string match "CYGWIN*" $tcl_platform(os)] ? {xfail} : {}}]
+testouterr_cmd fish {load source-sh/7.2} $ans {} [expr {$os_name eq {cygwin} ? {xfail} : {}}]
 
 if {[info exists fish_version_ge31] && $fish_version_ge31} {
 set tserr_disp72 "-------------------------------------------------------------------

testsuite/modules.70-maint/210-clear.exp

@@ -63,7 +63,7 @@ setenv_path_var FOO bar
 
 set ans [list]
 # different result output order is expected on MSYS/CYGWIN platforms
-if {[regexp {^(CYGWIN|MSYS_NT).*} $tcl_platform(os)]} {
+if {$os_name in {cygwin msys}} {
     lappend ans [list unset __MODULES_LMVARIANT]
     lappend ans [list unset __MODULES_LMALTNAME]
     lappend ans [list unset __MODULES_LMCONFLICT]

testsuite/modules.70-maint/310-sh-to-mod.exp

@@ -55,7 +55,7 @@ foreach sh $shtomod_supported_shells {
     set shbin [lindex [auto_execok $sh] 0]
     # mksh flavor of ksh is not supported
     # sh from FreeBSD is not supported too
-    if {$shbin ne {} && ($sh ne {ksh} || !$ksh_is_mksh) && ($sh ne {sh} || $tcl_platform(os) ne {FreeBSD})} {
+    if {$shbin ne {} && ($sh ne {ksh} || !$ksh_is_mksh) && ($sh ne {sh} || $os_name ne {freebsd})} {
         lappend shtomod_avail_shells $sh
         set shell_pathname($sh) $shbin
     }
@@ -809,7 +809,7 @@ if {$is_modules_defined} {
 } else {
     set extratserr {}
 }
-if {$is_modules_defined_fish && ![string match "CYGWIN*" $tcl_platform(os)]} {
+if {$is_modules_defined_fish && $os_name ne {cygwin}} {
     set extratserr_fish "\nunset-function\tml\nunset-function\tmodule"
     if {$is_mogui_defined} {
         append extratserr_fish "\nunset-function\tmogui"

testsuite/modules.90-avail/080-noindepth.exp

@@ -264,7 +264,7 @@ testouterr_cmd sh {avail -t space\ ya} OK "$mp:\n'space ya'/"
 set mp "$modpath wspac "
 # create modulepath finishing by space on the file (it crashes git checkout on Windows if saved in repo)
 # MSYS environment does not support anymore such test
-if {!$is_symlink_supported || [string match MSYS_NT* $tcl_platform(os)] || [catch {file link -symbolic $mp modulefiles.2}]} {
+if {!$is_symlink_supported || $os_name eq {msys} || [catch {file link -symbolic $mp modulefiles.2}]} {
     send_user "\tskipping tests over '$mp' modulepath as symbolic links are not supported on filesystem or cannot be created\n"
 } else {