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Comment:Added more reliable write support
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SHA1: d836b9fc4376f3a3e5cf4054f2a4866f147734f5
User & Date: rkeene on 2014-11-07 13:19:35
Other Links: branch diff | manifest | tags
Context
2014-11-08
19:33
Removed SQLite dependency check-in: d74c945fc0 user: rkeene tags: tcl-ops
2014-11-07
13:19
Added more reliable write support check-in: d836b9fc43 user: rkeene tags: tcl-ops
13:04
Added validity checking for various types check-in: 5685a8f9a8 user: rkeene tags: tcl-ops
Changes
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Modified appfsd.c from [5b32138d43] to [c5ca9c2598].

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	} else {
		/* The file must already exist */
		if (gpi_ret != 0) {
			return(gpi_ret);
		}

		mode = "";

		if ((fi->flags & O_WRONLY) == O_WRONLY) {
			mode = "write";
		}
	}

	if (pathinfo.type == APPFS_PATHTYPE_DIRECTORY) {
		return(-EISDIR);
	}

	interp = appfs_TclInterp();
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Modified appfsd.tcl from [25e6dbc0f2] to [6f6d010e1e].

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		return -code error "Invalid or unacceptable path: $dir"
	}

	proc getattr {path} {
		array set pathinfo [_parsepath $path]
		array set retval [list]

		catch {
			::appfs::getindex $pathinfo(hostname)
			::appfs::getpkgmanifest $pathinfo(hostname) $pathinfo(package_sha1)
		}

		switch -- $pathinfo(_type) {
			"toplevel" {
				set retval(type) directory
				set retval(childcount) 2;
			}
			"sites" {
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					if {[info exists pathinfo(package_sha1)] && $pathinfo(package_sha1) != ""} {
						set retval(type) directory
						set retval(childcount) 2;
					}
				}
			}
			"files" {

				set retval(packaged) 1

				set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
				if {[file exists $localpath]} {
					catch {
						file lstat $localpath localpathinfo
						set retval(time) $localpathinfo(mtime)
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		}

		set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]

		if {[file exists $localpath]} {
			return $localpath
		}

		if {$mode == "create"} {
			return $localpath
		}

		set work [split $pathinfo(file) "/"]
		set directory [join [lrange $work 0 end-1] "/"]
		set file [lindex $work end]
		set file_sha1 [::appfs::db onecolumn {SELECT file_sha1 FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_name = $file AND file_directory = $directory;}]
		::appfs::db eval {SELECT file_sha1, perms FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_name = $file AND file_directory = $directory;} pkgpathinfo {}

		if {$file_sha1 == ""} {
		if {$pkgpathinfo(file_sha1) == ""} {
			return -code error "No such file or directory"
		}

		set localcachefile [download $pathinfo(hostname) $file_sha1]
		set localcachefile [download $pathinfo(hostname) $pkgpathinfo(file_sha1)]

		if {$mode == "create"} {
		if {$mode == "write"} {
			set tmplocalpath "${localpath}.[expr rand()][clock clicks]"

			catch {
			file copy -force -- $localcachefile $tmplocalpath
			file rename -force -- $tmplocalpath $localpath
				file copy -force -- $localcachefile $tmplocalpath

				if {$pkgpathinfo(perms) == "x"} {
					file attributes $tmplocalpath -permissions +x
				}

				file rename -force -- $tmplocalpath $localpath
			}
			catch {
				file delete -force -- $tmplocalpath
			}

			return $localpath
		}

		return $localcachefile
	}
}