diff options
Diffstat (limited to 'library')
| -rw-r--r-- | library/init.tcl | 81 |
1 files changed, 80 insertions, 1 deletions
diff --git a/library/init.tcl b/library/init.tcl index 4de3ceb..5f7e58f 100644 --- a/library/init.tcl +++ b/library/init.tcl @@ -3,7 +3,7 @@ # Default system startup file for Tcl-based applications. Defines # "unknown" procedure and auto-load facilities. # -# RCS: @(#) $Id: init.tcl,v 1.48 2001/05/28 22:27:08 hobbs Exp $ +# RCS: @(#) $Id: init.tcl,v 1.49 2001/07/31 19:12:07 vincentdarley Exp $ # # Copyright (c) 1991-1993 The Regents of the University of California. # Copyright (c) 1994-1996 Sun Microsystems, Inc. @@ -626,3 +626,82 @@ proc auto_execok name { } } + +namespace eval tcl {} + +# ::tcl::CopyDirectory -- +# +# This procedure is called by Tcl's core when attempts to call the +# filesystem's copydirectory function fail. The semantics of the call +# are that 'dest' does not yet exist, i.e. dest should become the exact +# image of src. If dest does exist, we throw an error. +# +# Note that making changes to this procedure can change the results +# of running Tcl's tests. +# +# Arguments: +# action - "renaming" or "copying" +# src - source directory +# dest - destination directory +proc ::tcl::CopyDirectory {action src dest} { + set nsrc [file normalize $src] + set ndest [file normalize $dest] + if {[string equal $action "renaming"]} { + # Can't rename volumes + if {[lsearch -exact [file volumes] $nsrc] != -1} { + return -code error "error $action \"$src\" to\ + \"$dest\": trying to rename a volume or move a directory\ + into itself" + } + } + if {[file exists $dest]} { + if {$nsrc == $ndest} { + return -code error "error $action \"$src\" to\ + \"$dest\": trying to rename a volume or move a directory\ + into itself" + } + if {[string equal $action "copying"]} { + return -code error "error $action \"$src\" to\ + \"$dest\": file already exists" + } else { + # Depending on the platform, and on the current + # working directory, the directories '.', '..' + # can be returned in various combinations. Anyway, + # if any other file is returned, we must signal an error. + set existing [glob -nocomplain -directory $dest * .*] + eval [list lappend existing] \ + [glob -nocomplain -directory $dest -type hidden * .*] + foreach s $existing { + if {([file tail $s] != ".") && ([file tail $s] != "..")} { + return -code error "error $action \"$src\" to\ + \"$dest\": file already exists" + } + } + } + } else { + if {[string first $nsrc $ndest] != -1} { + set srclen [expr {[llength [file split $nsrc]] -1}] + set ndest [lindex [file split $ndest] $srclen] + if {$ndest == [file tail $nsrc]} { + return -code error "error $action \"$src\" to\ + \"$dest\": trying to rename a volume or move a directory\ + into itself" + } + } + file mkdir $dest + } + # Have to be careful to capture both visible and hidden files + foreach s [glob -nocomplain -directory $src *] { + if {([file tail $s] != ".") && ([file tail $s] != "..")} { + file copy $s [file join $dest [file tail $s]] + } + } + # This will pick up things beginning with '.' on Unix and on + # Windows/MacOS those files which the OS considers invisible. + foreach s [glob -nocomplain -directory $src -types hidden *] { + if {([file tail $s] != ".") && ([file tail $s] != "..")} { + file copy $s [file join $dest [file tail $s]] + } + } + return +} |