5 files changed, 113 insertions, 0 deletions
diff --git a/tcllib/support/devel/sak/help/cmd.tcl b/tcllib/support/devel/sak/help/cmd.tcl
new file mode 100644
index 0000000..8fe5f8e
--- /dev/null
+++ b/tcllib/support/devel/sak/help/cmd.tcl
@@ -0,0 +1,25 @@
+# -*- tcl -*-
+# Implementation of 'help'.
+
+# Available variables
+# * argv  - Cmdline arguments
+
+if {[llength $argv] > 2} {
+    puts stderr "Usage: $argv0 help ?topic?"
+    exit 1
+}
+
+package require sak::help
+
+if {[llength $argv] == 1} {
+    # Argument is a topic.
+    # Locate text for the topic.
+
+    sak::help::print [sak::help::on [lindex $argv 0]]
+    return
+}
+
+sak::help::print [sak::help::alltopics]
+
+##
+# ###
diff --git a/tcllib/support/devel/sak/help/help.tcl b/tcllib/support/devel/sak/help/help.tcl
new file mode 100644
index 0000000..7e00f1e
--- /dev/null
+++ b/tcllib/support/devel/sak/help/help.tcl
@@ -0,0 +1,75 @@
+# -*- tcl -*-
+# (C) 2006 Andreas Kupries <andreas_kupries@users.sourceforge.net>
+##
+# ###
+
+namespace eval ::sak::help {}
+
+# ###
+
+proc ::sak::help::print {text} {
+    global critcldefault
+    puts stdout [string map \
+	    [list @@ $critcldefault] $text]
+    return
+}
+
+proc ::sak::help::on {topic} {
+    variable base
+
+    # Look for static text and dynamic, i.e. generated help.
+    # Static is prefered.
+
+    set ht [file join $base $topic help.txt]
+    if {[file exists $ht]} {
+	return [get_input $ht]
+    }
+
+    set ht [file join $base $topic help.tcl]
+    if {[file exists $ht]} {
+	source $ht
+	return [sak::help::on::$topic]
+    }
+
+    set    help ""
+    append help \n
+    append help "    The topic \"$topic\" is not known." \n
+    append help "    The known topics are:" \n\n
+
+    append help [topics]
+
+    return $help
+}
+
+proc ::sak::help::alltopics {} {
+    # Locate the quick-help for all topics and combine it with a
+    # general header.
+
+    set    help "\n"
+    append help "    SAK - Swiss Army Knife\n\n"
+    append help "    sak is a tool to ease the work"
+    append help " of developers and release managers. Try:\n\n"
+    append help [topics]
+
+    return $help
+}
+
+proc ::sak::help::topics {} {
+    variable base
+    set help ""
+    foreach f [lsort [glob -nocomplain -directory $base */topic.txt]] {
+	append help \tsak\ help\ [get_input $f]
+    }
+    return $help
+}
+
+# ###
+
+namespace eval ::sak::help {
+    variable base [file join $::distribution support devel sak]
+}
+
+##
+# ###
+
+package provide sak::help 1.0
diff --git a/tcllib/support/devel/sak/help/help.txt b/tcllib/support/devel/sak/help/help.txt
new file mode 100644
index 0000000..bca8f35
--- /dev/null
+++ b/tcllib/support/devel/sak/help/help.txt
@@ -0,0 +1,8 @@
+
+    help -- Print help message
+
+    sak help ?topic?
+
+        Print a help message about the specified topic. If no topic
+        was given then print a general help message about SAK itself,
+        and provide a list of the available topics.
diff --git a/tcllib/support/devel/sak/help/pkgIndex.tcl b/tcllib/support/devel/sak/help/pkgIndex.tcl
new file mode 100644
index 0000000..609a59a
--- /dev/null
+++ b/tcllib/support/devel/sak/help/pkgIndex.tcl
@@ -0,0 +1,4 @@
+if {![package vsatisfies [package provide Tcl] 8.2]} return
+package ifneeded sak::help 1.0 [list source [file join $dir help.tcl]]
+
+
diff --git a/tcllib/support/devel/sak/help/topic.txt b/tcllib/support/devel/sak/help/topic.txt
new file mode 100644
index 0000000..9d1eaca
--- /dev/null
+++ b/tcllib/support/devel/sak/help/topic.txt
@@ -0,0 +1 @@
+help		How to use help.