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authorhobbs <hobbs>2000-03-03 02:58:00 (GMT)
committerhobbs <hobbs>2000-03-03 02:58:00 (GMT)
commit05cd13aef4e8065630b87d334ad2d49c5009c691 (patch)
tree8b6403a9ffd29be82d048c8dcaf9aa6a6a0cf6a8 /library
parente21577af2081db7e89efc56290f4c61242cacaec (diff)
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* library/package.tcl (tclPkgUnknown): extended to allow
recognizes changes in the auto_path while sourcing in other pkgIndex.tcl files
Diffstat (limited to 'library')
-rw-r--r--library/package.tcl45
1 files changed, 33 insertions, 12 deletions
diff --git a/library/package.tcl b/library/package.tcl
index f1bfc90..f53a5a3 100644
--- a/library/package.tcl
+++ b/library/package.tcl
@@ -3,7 +3,7 @@
# utility procs formerly in init.tcl which can be loaded on demand
# for package management.
#
-# RCS: @(#) $Id: package.tcl,v 1.11 2000/02/07 22:33:17 ericm Exp $
+# RCS: @(#) $Id: package.tcl,v 1.12 2000/03/03 02:58:00 hobbs Exp $
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1998 Sun Microsystems, Inc.
@@ -436,7 +436,8 @@ proc tclMacPkgSearch {dir} {
# the auto_path directories and their immediate children looking for
# pkgIndex.tcl files and sources any such files that are found to setup
# the package database. (On the Macintosh we also search for pkgIndex
-# TEXT resources in all files.)
+# TEXT resources in all files.) As it searches, it will recognize changes
+# to the auto_path and scan any new directories.
#
# Arguments:
# name - Name of desired package. Not used.
@@ -449,26 +450,35 @@ proc tclPkgUnknown {name version {exact {}}} {
if {![info exists auto_path]} {
return
}
- for {set i [expr {[llength $auto_path] - 1}]} {$i >= 0} {incr i -1} {
+ # Cache the auto_path, because it may change while we run through
+ # the first set of pkgIndex.tcl files
+ set old_path [set use_path $auto_path]
+ while {[llength $use_path]} {
+ set dir [lindex $use_path end]
# we can't use glob in safe interps, so enclose the following
- # in a catch statement
+ # in a catch statement, where we get the pkgIndex files out
+ # of the subdirectories
catch {
- foreach file [glob -nocomplain [file join [lindex $auto_path $i] \
- * pkgIndex.tcl]] {
+ foreach file [glob -nocomplain [file join $dir * pkgIndex.tcl]] {
set dir [file dirname $file]
- if {[file readable $file]} {
+ if {[file readable $file] && ![info exists procdDirs($dir)]} {
if {[catch {source $file} msg]} {
tclLog "error reading package index file $file: $msg"
+ } else {
+ set procdDirs($dir) 1
}
}
}
}
- set dir [lindex $auto_path $i]
+ set dir [lindex $use_path end]
set file [file join $dir pkgIndex.tcl]
# safe interps usually don't have "file readable", nor stderr channel
- if {[interp issafe] || [file readable $file]} {
+ if {([interp issafe] || [file readable $file]) && \
+ ![info exists procdDirs($dir)]} {
if {[catch {source $file} msg] && ![interp issafe]} {
tclLog "error reading package index file $file: $msg"
+ } else {
+ set procdDirs($dir) 1
}
}
# On the Macintosh we also look in the resource fork
@@ -476,15 +486,26 @@ proc tclPkgUnknown {name version {exact {}}} {
# We can't use tclMacPkgSearch in safe interps because it uses glob
if {(![interp issafe]) && \
[string equal $tcl_platform(platform) "macintosh"]} {
- set dir [lindex $auto_path $i]
- tclMacPkgSearch $dir
+ set dir [lindex $use_path end]
+ if {![info exists procdDirs($x)]} {
+ tclMacPkgSearch $dir
+ set procdDirs($dir) 1
+ }
foreach x [glob -nocomplain [file join $dir *]] {
- if {[file isdirectory $x]} {
+ if {[file isdirectory $x] && ![info exists procdDirs($x)]} {
set dir $x
tclMacPkgSearch $dir
+ set procdDirs($dir) 1
}
}
}
+ set use_path [lrange $use_path 0 end-1]
+ if {[string compare $old_path $auto_path]} {
+ foreach dir $auto_path {
+ lappend use_path $dir
+ }
+ set old_path $auto_path
+ }
}
}