1 files changed, 244 insertions, 0 deletions
diff --git a/library/install.tcl b/library/install.tcl
new file mode 100644
index 0000000..e62226e
--- /dev/null
+++ b/library/install.tcl
@@ -0,0 +1,244 @@
+###
+# Installer actions built into tclsh and invoked
+# if the first command line argument is "install"
+###
+if {[llength $argv] < 2} {
+  exit 0
+}
+namespace eval ::practcl {}
+###
+# Installer tools
+###
+proc ::practcl::_isdirectory name {
+  return [file isdirectory $name]
+}
+###
+# Return true if the pkgindex file contains
+# any statement other than "package ifneeded"
+# and/or if any package ifneeded loads a DLL
+###
+proc ::practcl::_pkgindex_directory {path} {
+  set buffer {}
+  set pkgidxfile [file join $path pkgIndex.tcl]
+  if {![file exists $pkgidxfile]} {
+    # No pkgIndex file, read the source
+    foreach file [glob -nocomplain $path/*.tm] {
+      set file [file normalize $file]
+      set fname [file rootname [file tail $file]]
+      ###
+      # We used to be able to ... Assume the package is correct in the filename
+      # No hunt for a "package provides"
+      ###
+      set package [lindex [split $fname -] 0]
+      set version [lindex [split $fname -] 1]
+      ###
+      # Read the file, and override assumptions as needed
+      ###
+      set fin [open $file r]
+      set dat [read $fin]
+      close $fin
+      # Look for a teapot style Package statement
+      foreach line [split $dat \n] {
+        set line [string trim $line]
+        if { [string range $line 0 9] != "# Package " } continue
+        set package [lindex $line 2]
+        set version [lindex $line 3]
+        break
+      }
+      # Look for a package provide statement
+      foreach line [split $dat \n] {
+        set line [string trim $line]
+        if { [string range $line 0 14] != "package provide" } continue
+        set package [lindex $line 2]
+        set version [lindex $line 3]
+        break
+      }
+      append buffer "package ifneeded $package $version \[list source \[file join \$dir [file tail $file]\]\]" \n
+    }
+    foreach file [glob -nocomplain $path/*.tcl] {
+      if { [file tail $file] == "version_info.tcl" } continue
+      set fin [open $file r]
+      set dat [read $fin]
+      close $fin
+      if {![regexp "package provide" $dat]} continue
+      set fname [file rootname [file tail $file]]
+      # Look for a package provide statement
+      foreach line [split $dat \n] {
+        set line [string trim $line]
+        if { [string range $line 0 14] != "package provide" } continue
+        set package [lindex $line 2]
+        set version [lindex $line 3]
+        if {[string index $package 0] in "\$ \[ @"} continue
+        if {[string index $version 0] in "\$ \[ @"} continue
+        append buffer "package ifneeded $package $version \[list source \[file join \$dir [file tail $file]\]\]" \n
+        break
+      }
+    }
+    return $buffer
+  }
+  set fin [open $pkgidxfile r]
+  set dat [read $fin]
+  close $fin
+  set trace 0
+  #if {[file tail $path] eq "tool"} {
+  #  set trace 1
+  #}
+  set thisline {}
+  foreach line [split $dat \n] {
+    append thisline $line \n
+    if {![info complete $thisline]} continue
+    set line [string trim $line]
+    if {[string length $line]==0} {
+      set thisline {} ; continue
+    }
+    if {[string index $line 0] eq "#"} {
+      set thisline {} ; continue
+    }
+    if {[regexp "if.*catch.*package.*Tcl.*return" $thisline]} {
+      if {$trace} {puts "[file dirname $pkgidxfile] Ignoring $thisline"}
+      set thisline {} ; continue
+    }
+    if {[regexp "if.*package.*vsatisfies.*package.*provide.*return" $thisline]} {
+      if {$trace} { puts "[file dirname $pkgidxfile] Ignoring $thisline" }
+      set thisline {} ; continue
+    }
+    if {![regexp "package.*ifneeded" $thisline]} {
+      # This package index contains arbitrary code
+      # source instead of trying to add it to the master
+      # package index
+      if {$trace} { puts "[file dirname $pkgidxfile] Arbitrary code $thisline" }
+      return {source [file join $dir pkgIndex.tcl]}
+    }
+    append buffer $thisline \n
+    set thisline {}
+  }
+  if {$trace} {puts [list [file dirname $pkgidxfile] $buffer]}
+  return $buffer
+}
+
+
+proc ::practcl::_pkgindex_path_subdir {path} {
+  set result {}
+  foreach subpath [glob -nocomplain [file join $path *]] {
+    if {[file isdirectory $subpath]} {
+      lappend result $subpath {*}[_pkgindex_path_subdir $subpath]
+    }
+  }
+  return $result
+}
+###
+# Index all paths given as though they will end up in the same
+# virtual file system
+###
+proc ::practcl::pkgindex_path args {
+  set stack {}
+  set buffer {
+lappend ::PATHSTACK $dir
+  }
+  foreach base $args {
+    set base [file normalize $base]
+    set paths {}
+    foreach dir [glob -nocomplain [file join $base *]] {
+      if {[file tail $dir] eq "teapot"} continue
+      lappend paths $dir {*}[::practcl::_pkgindex_path_subdir $dir]
+    }
+    set i    [string length  $base]
+    # Build a list of all of the paths
+    if {[llength $paths]} {
+      foreach path $paths {
+        if {$path eq $base} continue
+        set path_indexed($path) 0
+      }
+    } else {
+      puts [list WARNING: NO PATHS FOUND IN $base]
+    }
+    set path_indexed($base) 1
+    set path_indexed([file join $base boot tcl]) 1
+    foreach teapath [glob -nocomplain [file join $base teapot *]] {
+      set pkg [file tail $teapath]
+      append buffer [list set pkg $pkg]
+      append buffer {
+set pkginstall [file join $::g(HOME) teapot $pkg]
+if {![file exists $pkginstall]} {
+  installDir [file join $dir teapot $pkg] $pkginstall
+}
+}
+    }
+    foreach path $paths {
+      if {$path_indexed($path)} continue
+      set thisdir [file_relative $base $path]
+      set idxbuf [::practcl::_pkgindex_directory $path]
+      if {[string length $idxbuf]} {
+        incr path_indexed($path)
+        append buffer "set dir \[set PKGDIR \[file join \[lindex \$::PATHSTACK end\] $thisdir\]\]" \n
+        append buffer [string map {$dir $PKGDIR} [string trimright $idxbuf]] \n
+      }
+    }
+  }
+  append buffer {
+set dir [lindex $::PATHSTACK end]
+set ::PATHSTACK [lrange $::PATHSTACK 0 end-1]
+}
+  return $buffer
+}
+
+###
+# topic: 64319f4600fb63c82b2258d908f9d066
+# description: Script to build the VFS file system
+###
+proc ::practcl::installDir {d1 d2} {
+
+  puts [format {%*sCreating %s} [expr {4 * [info level]}] {} [file tail $d2]]
+  file delete -force -- $d2
+  file mkdir $d2
+
+  foreach ftail [glob -directory $d1 -nocomplain -tails *] {
+    set f [file join $d1 $ftail]
+    if {[file isdirectory $f] && [string compare CVS $ftail]} {
+      installDir $f [file join $d2 $ftail]
+    } elseif {[file isfile $f]} {
+	    file copy -force $f [file join $d2 $ftail]
+	    if {$::tcl_platform(platform) eq {unix}} {
+        file attributes [file join $d2 $ftail] -permissions 0644
+	    } else {
+        file attributes [file join $d2 $ftail] -readonly 1
+	    }
+    }
+  }
+
+  if {$::tcl_platform(platform) eq {unix}} {
+    file attributes $d2 -permissions 0755
+  } else {
+    file attributes $d2 -readonly 1
+  }
+}
+
+proc ::practcl::copyDir {d1 d2 {toplevel 1}} {
+  #if {$toplevel} {
+  #  puts [list ::practcl::copyDir $d1 -> $d2]
+  #}
+  #file delete -force -- $d2
+  file mkdir $d2
+
+  foreach ftail [glob -directory $d1 -nocomplain -tails *] {
+    set f [file join $d1 $ftail]
+    if {[file isdirectory $f] && [string compare CVS $ftail]} {
+      copyDir $f [file join $d2 $ftail] 0
+    } elseif {[file isfile $f]} {
+      file copy -force $f [file join $d2 $ftail]
+    }
+  }
+}
+
+switch [lindex $argv 1] {
+  mkzip {
+    zipfs mkzip {*}[lrange $argv 2 end]
+  }
+  mkzip {
+    zipfs mkimg {*}[lrange $argv 2 end]
+  }
+  default {
+    ::practcl::[lindex $argv 1] {*}[lrange $argv 2 end]
+  }
+}
+exit 0