diff options
Diffstat (limited to 'lib/sasl/src/systools_make.erl')
| -rw-r--r-- | lib/sasl/src/systools_make.erl | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/lib/sasl/src/systools_make.erl b/lib/sasl/src/systools_make.erl index 7f400f5cce..42b528540e 100644 --- a/lib/sasl/src/systools_make.erl +++ b/lib/sasl/src/systools_make.erl @@ -31,6 +31,8 @@ -export([read_application/4]). +-export([make_boot_hybrid/5]). + -import(lists, [filter/2, keysort/2, keysearch/3, map/2, reverse/1, append/1, foldl/3, member/2, foreach/2]). @@ -162,6 +164,118 @@ return({error,Mod,Error},_,Flags) -> error end. + +%%----------------------------------------------------------------- +%% Make hybrid boot file for upgrading emulator. The resulting boot +%% file is a combination of the two input files, where kernel, stdlib +%% and sasl versions are taken from the second file (the boot file of +%% the new release), and all other application versions from the first +%% file (the boot file of the old release). +%% +%% The most important thing that can fail here is that the input boot +%% files do not contain all three base applications - kernel, stdlib +%% and sasl. +%% +%% TmpVsn = string(), +%% Paths = {KernelPath,StdlibPath,SaslPath} +%% Returns {ok,Boot} | {error,Reason} +%% Boot1 = Boot2 = Boot = binary() +%% Reason = {app_not_found,App} | {app_not_replaced,App} +%% App = kernel | stdlib | sasl +make_boot_hybrid(TmpVsn, Boot1, Boot2, Paths, Args) -> + catch do_make_boot_hybrid(TmpVsn, Boot1, Boot2, Paths, Args). +do_make_boot_hybrid(TmpVsn, Boot1, Boot2, Paths, Args) -> + {script,{_RelName1,_RelVsn1},Script1} = binary_to_term(Boot1), + {script,{RelName2,_RelVsn2},Script2} = binary_to_term(Boot2), + MatchPaths = get_regexp_path(Paths), + NewScript1 = replace_paths(Script1,MatchPaths), + {Kernel,Stdlib,Sasl} = get_apps(Script2,undefined,undefined,undefined), + NewScript2 = replace_apps(NewScript1,Kernel,Stdlib,Sasl), + NewScript3 = add_apply_upgrade(NewScript2,Args), + Boot = term_to_binary({script,{RelName2,TmpVsn},NewScript3}), + {ok,Boot}. + +%% For each app, compile a regexp that can be used for finding its path +get_regexp_path({KernelPath,StdlibPath,SaslPath}) -> + {ok,KernelMP} = re:compile("kernel-[0-9\.]+",[unicode]), + {ok,StdlibMP} = re:compile("stdlib-[0-9\.]+",[unicode]), + {ok,SaslMP} = re:compile("sasl-[0-9\.]+",[unicode]), + [{KernelMP,KernelPath},{StdlibMP,StdlibPath},{SaslMP,SaslPath}]. + +%% For each path in the script, check if it matches any of the MPs +%% found above, and if so replace it with the correct new path. +replace_paths([{path,Path}|Script],MatchPaths) -> + [{path,replace_path(Path,MatchPaths)}|replace_paths(Script,MatchPaths)]; +replace_paths([Stuff|Script],MatchPaths) -> + [Stuff|replace_paths(Script,MatchPaths)]; +replace_paths([],_) -> + []. + +replace_path([Path|Paths],MatchPaths) -> + [do_replace_path(Path,MatchPaths)|replace_path(Paths,MatchPaths)]; +replace_path([],_) -> + []. + +do_replace_path(Path,[{MP,ReplacePath}|MatchPaths]) -> + case re:run(Path,MP,[{capture,none}]) of + nomatch -> do_replace_path(Path,MatchPaths); + match -> ReplacePath + end; +do_replace_path(Path,[]) -> + Path. + +%% Return the entries for loading the three base applications +get_apps([{kernelProcess,application_controller, + {application_controller,start,[{application,kernel,_}]}}=Kernel| + Script],_,Stdlib,Sasl) -> + get_apps(Script,Kernel,Stdlib,Sasl); +get_apps([{apply,{application,load,[{application,stdlib,_}]}}=Stdlib|Script], + Kernel,_,Sasl) -> + get_apps(Script,Kernel,Stdlib,Sasl); +get_apps([{apply,{application,load,[{application,sasl,_}]}}=Sasl|_Script], + Kernel,Stdlib,_) -> + {Kernel,Stdlib,Sasl}; +get_apps([_|Script],Kernel,Stdlib,Sasl) -> + get_apps(Script,Kernel,Stdlib,Sasl); +get_apps([],undefined,_,_) -> + throw({error,{app_not_found,kernel}}); +get_apps([],_,undefined,_) -> + throw({error,{app_not_found,stdlib}}); +get_apps([],_,_,undefined) -> + throw({error,{app_not_found,sasl}}). + + +%% Replace the entries for loading the base applications +replace_apps([{kernelProcess,application_controller, + {application_controller,start,[{application,kernel,_}]}}| + Script],Kernel,Stdlib,Sasl) -> + [Kernel|replace_apps(Script,undefined,Stdlib,Sasl)]; +replace_apps([{apply,{application,load,[{application,stdlib,_}]}}|Script], + Kernel,Stdlib,Sasl) -> + [Stdlib|replace_apps(Script,Kernel,undefined,Sasl)]; +replace_apps([{apply,{application,load,[{application,sasl,_}]}}|Script], + _Kernel,_Stdlib,Sasl) -> + [Sasl|Script]; +replace_apps([Stuff|Script],Kernel,Stdlib,Sasl) -> + [Stuff|replace_apps(Script,Kernel,Stdlib,Sasl)]; +replace_apps([],undefined,undefined,_) -> + throw({error,{app_not_replaced,sasl}}); +replace_apps([],undefined,_,_) -> + throw({error,{app_not_replaced,stdlib}}); +replace_apps([],_,_,_) -> + throw({error,{app_not_replaced,kernel}}). + + +%% Finally add an apply of release_handler:new_emulator_upgrade - which will +%% complete the execution of the upgrade script (relup). +add_apply_upgrade(Script,Args) -> + [{progress, started} | RevScript] = lists:reverse(Script), + lists:reverse([{progress,started}, + {apply,{release_handler,new_emulator_upgrade,Args}} | + RevScript]). + + + %%----------------------------------------------------------------- %% Create a release package from a release file. %% Options is a list of {path, Path} | silent | |