Issue #710: path2pathA() keep double delims, Reduce triple delims to …

…double

README.new

@@ -156,6 +156,5 @@ Lmod 8.7+
             * ModuleTable modification: Changes to $MODULEPATH are stored in an entry.
    (8.7.42) * Fix setting of $FPATH when running bash or ksh shell and executing zsh -l.
    (8.7.43) * Support for ksh flag not needed anymore
-
-
-
+W.I.P:
+   (8.7.44) * Issue #710: path2pathA() keep double delims, Reduce triple delims to double

rt/manpath/err.txt

@@ -2,7 +2,7 @@
 step 1
 lua ProjectDIR/src/lmod.in.lua shell --regression_testing --version
 ===========================
-Modules based on Lua: Version 8.7.20  2023-03-16 11:43 -05:00
+Modules based on Lua: Version 8.7.43 2024-06-24 15:50 -06:00
     by Robert McLay [email protected]
 ===========================
 step 2
@@ -28,3 +28,11 @@ lua ProjectDIR/src/lmod.in.lua shell --regression_testing load unix
 step 7
 lua ProjectDIR/src/lmod.in.lua shell --regression_testing unload unix
 ===========================
+===========================
+step 8
+lua ProjectDIR/src/lmod.in.lua shell --regression_testing load abc
+===========================
+===========================
+step 9
+lua ProjectDIR/src/lmod.in.lua shell --regression_testing load def
+===========================

rt/manpath/manpath.tdesc

@@ -32,6 +32,10 @@ testdescript = {
      export MANPATH=/unknown/apps/junk/share/man
      runLmod load   unix                   # 6
      runLmod unload unix                   # 7
+     export MANPATH=/opt/X/man:::/opt/Y/man
+     runLmod load   abc                    # 8
+     runLmod load   def                    # 9
+
 
 
      HOME=$ORIG_HOME

rt/manpath/mf/Core/abc/1.0.lua

@@ -0,0 +1 @@
+prepend_path("MANPATH","/opt/apps/abc/share/man")

rt/manpath/mf/Core/def/2.0.lua

@@ -0,0 +1 @@
+append_path("MANPATH","/opt/apps/def//share/man")

rt/manpath/out.txt

@@ -90,3 +90,35 @@ export MODULEPATH;
 unset _LMFILES_;
 _ModuleTable_='_ModuleTable_={MTversion=3,depthT={},family={},mT={},mpathA={"ProjectDIR/rt/manpath/mf/Core",},systemBaseMPATH="ProjectDIR/rt/manpath/mf/Core",}';
 export _ModuleTable_;
+===========================
+step 8
+lua ProjectDIR/src/lmod.in.lua shell --regression_testing load abc
+===========================
+LOADEDMODULES=abc/1.0;
+export LOADEDMODULES;
+__LMOD_REF_COUNT_MANPATH=/opt/apps/abc/share/man:1\;/opt/X/man:1\;:1\;/opt/Y/man:1;
+export __LMOD_REF_COUNT_MANPATH;
+MANPATH=/opt/apps/abc/share/man:/opt/X/man::/opt/Y/man;
+export MANPATH;
+MODULEPATH=ProjectDIR/rt/manpath/mf/Core;
+export MODULEPATH;
+_LMFILES_=ProjectDIR/rt/manpath/mf/Core/abc/1.0.lua;
+export _LMFILES_;
+_ModuleTable_='_ModuleTable_={MTversion=3,depthT={},family={},mT={abc={fn="ProjectDIR/rt/manpath/mf/Core/abc/1.0.lua",fullName="abc/1.0",loadOrder=1,propT={},stackDepth=0,status="active",userName="abc",wV="000000001.*zfinal",},},mpathA={"ProjectDIR/rt/manpath/mf/Core",},systemBaseMPATH="ProjectDIR/rt/manpath/mf/Core",}';
+export _ModuleTable_;
+===========================
+step 9
+lua ProjectDIR/src/lmod.in.lua shell --regression_testing load def
+===========================
+LOADEDMODULES=abc/1.0:def/2.0;
+export LOADEDMODULES;
+__LMOD_REF_COUNT_MANPATH=/opt/apps/abc/share/man:1\;/opt/X/man:1\;:1\;/opt/Y/man:1\;/opt/apps/def/share/man:1;
+export __LMOD_REF_COUNT_MANPATH;
+MANPATH=/opt/apps/abc/share/man:/opt/X/man::/opt/Y/man:/opt/apps/def/share/man;
+export MANPATH;
+MODULEPATH=ProjectDIR/rt/manpath/mf/Core;
+export MODULEPATH;
+_LMFILES_=ProjectDIR/rt/manpath/mf/Core/abc/1.0.lua:ProjectDIR/rt/manpath/mf/Core/def/2.0.lua;
+export _LMFILES_;
+_ModuleTable_='_ModuleTable_={MTversion=3,depthT={},family={},mT={abc={fn="ProjectDIR/rt/manpath/mf/Core/abc/1.0.lua",fullName="abc/1.0",loadOrder=1,propT={},stackDepth=0,status="active",userName="abc",wV="000000001.*zfinal",},def={fn="ProjectDIR/rt/manpath/mf/Core/def/2.0.lua",fullName="def/2.0",loadOrder=2,propT={},stackDepth=0,status="active",userName="def",wV="000000002.*zfinal",},},mpathA={"ProjectDIR/rt/manpath/mf/Core",},systemBaseMPATH="ProjectDIR/rt/manpath/mf/Core",}';
+export _ModuleTable_;

src/utils.lua

@@ -595,10 +595,15 @@ function path2pathA(path, delim, clearDoubleSlash)
    if (path == '') then
       return { '' }
    end
-   local delimPatt = delim .. "+";
 
+   -- If path is /sw1/man::/sw2/man then
+   -- keep the double delim's
+   -- However convert /sw1/man:::/sw2/man to
+   --                 /sw1/man::/sw2/man 
 
-   path = path:gsub(delimPatt,delim)
+   local delimPatt = delim .. delim .. "+";
+   local delimStr  = delim .. delim 
+   path = path:gsub(delimPatt,delimStr)
 
    local pathA = {}
    for v  in path:split(delim) do