344 lines
8.9 KiB
PHP
344 lines
8.9 KiB
PHP
#
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# \brief Utilities for accessing depot content from run scripts
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# \author Norman Feske
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# \date 2017-03-29
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#
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proc depot_dir { } { return [genode_dir]/depot }
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##
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# Return spec value to be used to access binary archives
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#
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proc depot_spec { } {
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if {[have_spec x86_32]} { return "x86_32" }
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if {[have_spec x86_64]} { return "x86_64" }
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if {[have_spec arm_v7a]} { return "arm_v7a" }
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}
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#
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# Variable used for keeping track of archives that are missing from the
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# depot. The list is populated by calls of 'import_from_depot' and evaluated
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# at the boot-image-creation stage via 'check_for_missing_depot_archives'.
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#
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set _missing_depot_archives {}
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#
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# Pattern to parse an archive path into <user>, <type>, <name>
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#
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proc _depot_archive_path_pattern { } { return {^([\w\d]+)/([\w]+)/([\w\d\-_]+)$} }
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#
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# Pattern to parse an binary archive path into <user>, <spec>, <name>.
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#
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proc _depot_bin_archive_path_pattern { } { return {^([\w\d]+)/bin/([\w\d]+)/([\w\d\-_]+)$} }
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##
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# Determine content of a pkg archive and its dependencies
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#
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proc _collect_pkg_archive_from_depot { user name } {
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global _missing_depot_archives
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set archive_dir "$user/pkg/$name"
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set archives_file "[depot_dir]/$archive_dir/archives"
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if {![file exists $archives_file]} {
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puts "Error: missing file $archives_file"
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exit 1
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}
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set fh [open $archives_file "RDONLY"]
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set archives [read $fh]
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close $fh
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set content "$archive_dir"
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foreach archive $archives {
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if {[regexp [_depot_archive_path_pattern] $archive dummy user type name]} {
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if {($type == "pkg") || ($type == "src") || ($type == "raw")} {
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set content [concat $content [_collect_from_depot $archive]]
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}
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}
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}
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return $content
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}
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proc _copy_directory_content_to_run_dir { dir } {
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if {![file isdirectory $dir]} {
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puts stderr "Error: expected directory at '$dir'"
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exit 1
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}
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foreach file [glob -directory $dir *] { file copy -force $file [run_dir]/genode/ }
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}
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proc _collect_raw_archive_from_depot { user name } { return "$user/raw/$name" }
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##
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# Determine binary content for a given source archive
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#
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proc _collect_src_archive_from_depot { user name } {
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global _missing_depot_archives;
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set src_archive_dir "$user/src/$name"
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set bin_archive_dir "$user/bin/[depot_spec]/$name"
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if {[file exists [depot_dir]/$bin_archive_dir]} {
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return [list $src_archive_dir $bin_archive_dir]
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} else {
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lappend _missing_depot_archives $bin_archive_dir
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}
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return {}
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}
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##
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# Determine the version-suffixed name of an archive
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#
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# This function return an empty string if the archive is missing from the
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# depot.
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#
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proc _versioned_depot_archive_name { user type name } {
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# if correctly versioned archive is specified, use it
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if {[file exists [depot_dir]/$user/$type/$name]} { return $name }
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#
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# The given archive name may lack the version identifier if it refers
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# to an archive generated locally from the Genode repository. In this case,
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# we try to determine the version information from the Genode source tree.
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#
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set hash_rel_path "recipes/$type/$name/hash"
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set repo [repository_contains $hash_rel_path]
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if {$repo != ""} {
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set fh [open "$repo/$hash_rel_path" "RDONLY"]
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set version [lindex [gets $fh] 0]
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close $fh
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append name "-" $version
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if {[file exists [depot_dir]/$user/$type/$name]} {
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return $name }
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}
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return ""
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}
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proc _collect_from_depot { archives } {
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global _missing_depot_archives
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set all_content {}
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foreach archive $archives {
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if {[regexp [_depot_archive_path_pattern] $archive dummy user type name]} {
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set versioned_name [_versioned_depot_archive_name $user $type $name]
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if {$versioned_name == ""} {
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lappend _missing_depot_archives $archive
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} else {
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set content {}
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switch $type {
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"pkg" { set content [_collect_pkg_archive_from_depot $user $versioned_name] }
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"src" { set content [_collect_src_archive_from_depot $user $versioned_name] }
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"raw" { set content [_collect_raw_archive_from_depot $user $versioned_name] }
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default {
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puts stderr "Error: unknown depot-archive type '$type'"
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exit 1
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}
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}
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set all_content [concat $all_content $content]
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}
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} else {
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puts stderr "Error: malformed depot-archive path '$archive',"
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puts stderr " expected '<user>/<type>/<name>'"
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exit 1
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}
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}
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return $all_content
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}
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##
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# Import binary and raw content of the specified depot archives into the run
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# directory of the scenario
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#
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proc import_from_depot { args } {
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foreach subdir [_collect_from_depot $args] {
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# prevent src, api, and pkg archives from inflating the boot image
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if {[regexp [_depot_archive_path_pattern] $subdir dummy user type]} {
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if {$type == "src"} continue;
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if {$type == "api"} continue;
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if {$type == "pkg"} continue;
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}
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_copy_directory_content_to_run_dir "[depot_dir]/$subdir"
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}
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}
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##
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# Assemble tar archive from binary content of the depot
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#
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proc create_tar_from_depot_binaries { archive_path args } {
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# filter out api and src archives from requested depot content
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set content {}
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foreach subdir [_collect_from_depot $args] {
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if {[regexp [_depot_archive_path_pattern] $subdir dummy user type]} {
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if {$type == "src"} continue;
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if {$type == "api"} continue;
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}
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lappend content $subdir
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}
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check_for_missing_depot_archives
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eval "exec tar cf $archive_path -C [depot_dir] $content"
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}
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proc _locally_available_recipe { user type name } {
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if {[repository_contains "recipes/$type/$name/hash"] != ""} {
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return $name }
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#
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# If the supplied 'name' is a versioned name (as obtained from a pkg
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# 'archives' filed already stored in the depot, we try to find a recipe
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# in the source tree that matches the specified name and version. If
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# we find the matching recipe, we can build the archive locally using
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# the version-less recipe name.
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#
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set version_suffix_pattern {\-[^\-/]*$}
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set versioned_name $name
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while {[regexp -- $version_suffix_pattern $name dummy]} {
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# strip last part of version suffix
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regsub -- $version_suffix_pattern $name "" name
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if {[repository_contains "recipes/$type/$name/hash"] != ""} {
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if {[_versioned_depot_archive_name $user $type $name] == $versioned_name} {
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return $name } }
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}
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return ""
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}
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##
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# Check for the completeness of the imported depot content
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#
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# This function aborts the run script if any archives are missing.
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#
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proc check_for_missing_depot_archives { } {
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global _missing_depot_archives
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if {[llength $_missing_depot_archives] == 0} { return }
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puts stderr "\nError: missing depot archives:"
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#
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# Try to assist the user with obtaining the missing archives
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#
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# For missing archives that belong to the configured depot user, the
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# user should be able to created them from the source tree as long as
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# recipe exists.
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#
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# Archives that do not belong to the configured depot user may be
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# downloaded.
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#
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# XXX Present this option only if the URL and public key of the
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# archives user is known
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# XXX Present download option even for archives that can be created locally
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#
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set nonexisting_archives {}
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set local_user_archives {}
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set foreign_archives {}
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foreach archive $_missing_depot_archives {
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puts stderr " $archive"
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if {[regexp [_depot_archive_path_pattern] $archive dummy user type name]} {
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#
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# If a pkg archive is missing, suggest to obtain the binary-pkg
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# archive (matching the build directory) immediately, which implies
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# the pkg archive. Otherwise, the user would first obtain the pkg
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# archive and its source dependencies, and then get an error for
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# the missing binary archives on the next attempt to execute the
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# run script.
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#
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if {$type == "pkg"} { set archive "$user/pkg/[depot_spec]/$name" }
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if {$type == "src"} { set archive "$user/bin/[depot_spec]/$name" }
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if {[_locally_available_recipe $user $type $name] != ""} {
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lappend local_user_archives $archive
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} else {
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lappend foreign_archives $archive
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}
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} elseif {[regexp [_depot_bin_archive_path_pattern] $archive dummy user spec name]} {
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# source code is present in the current source tree
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set recipe [_locally_available_recipe $user src $name]
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if {$recipe != ""} {
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lappend local_user_archives $user/bin/$spec/$recipe
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# source code is present in the depot
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} elseif {[file isdirectory [depot_dir]/$user/src/$name]} {
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lappend local_user_archives $user/bin/$spec/$name
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} else {
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lappend foreign_archives $archive
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}
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}
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}
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append create_args " CROSS_DEV_PREFIX=[cross_dev_prefix]"
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if {[llength $local_user_archives]} {
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puts stderr "You may create the following archives locally:\n"
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puts stderr " [genode_dir]/tool/depot/create $local_user_archives$create_args\n"
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}
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if {[llength $foreign_archives]} {
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puts stderr "You may try to download the following archives:\n"
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puts stderr " [genode_dir]/tool/depot/download $foreign_archives\n"
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}
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exit 1
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}
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proc drivers_interactive_pkg { } {
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if {[have_spec linux]} { return drivers_interactive-linux }
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if {[have_spec x86]} { return drivers_interactive-pc }
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if {[have_spec pbxa9]} { return drivers_interactive-pbxa9 }
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puts stderr "drivers_interactive package undefined for this build configuration"
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exit 1
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}
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