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opamSysInteract.ml
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(**************************************************************************) (* *) (* Copyright 2019-2020 OCamlPro *) (* *) (* All rights reserved. This file is distributed under the terms of the *) (* GNU Lesser General Public License version 2.1, with the special *) (* exception on linking described in the file LICENSE. *) (* *) (**************************************************************************) let log fmt = OpamConsole.log "XSYS" fmt (* Run commands *) (* Always call this function to run a command, as it handles `dryrun` option *) let run_command ?vars ?(discard_err=false) ?allow_stdin ?verbose ?(dryrun=false) cmd args = let clean_output = if not discard_err then fun k -> k None else fun k -> OpamFilename.with_tmp_dir_job @@ fun dir -> let f = OpamFilename.Op.(dir // "out") in OpamFilename.touch f; k (Some (OpamFilename.to_string f)) in let verbose = OpamStd.Option.default OpamCoreConfig.(!r.verbose_level >= 3) verbose in let env = match vars with | None -> None | Some vars -> let env = OpamStd.Env.list () in let set_vars, kept_vars, env = List.fold_left (fun (n,p,e) (op, (name, content as var)) -> match OpamStd.List.assoc_opt name env, op with | Some c, `add when String.compare c content = 0 -> n, p, e | Some _, `set -> var::n, p, (List.remove_assoc name env) | Some _, _ -> n, var::p, e | None, _ -> var::n, p, e ) ([],[], env) vars in let str_var (v,c) = Printf.sprintf "%s=%s" v c in if set_vars = [] then ((if kept_vars <> [] then log "Won't override %s" (OpamStd.List.to_string str_var kept_vars)); None) else (log "Adding to env %s" (OpamStd.List.to_string str_var set_vars); Some (set_vars @ env |> List.rev_map str_var |> Array.of_list)) in let run = if dryrun then OpamProcess.Job.dry_run else OpamProcess.Job.run in let open OpamProcess.Job.Op in run @@ clean_output @@ fun stdout -> OpamSystem.make_command ?env ?stdout ?allow_stdin ~verbose cmd args @@> fun r -> let code = r.r_code in let out = r.r_stdout in OpamProcess.cleanup r; Done (code, out) let run_query_command ?vars cmd args = let vars = (`set, ("LC_ALL","C"))::OpamStd.Option.to_list vars in let code,out = run_command ~vars cmd args in if code = 0 then out else [] let run_command_exit_code ?vars ?allow_stdin ?verbose cmd args = let code,_ = run_command ?vars ?allow_stdin ?verbose ~dryrun:OpamStateConfig.(!r.dryrun) cmd args in code (* Please keep this alphabetically ordered, in the type definition, and in below pattern matching *) type families = | Alpine | Arch | Centos | Debian | Freebsd | Gentoo | Homebrew | Macports | Netbsd | Openbsd | Suse (* System status *) let family = let family = lazy ( match OpamSysPoll.os_family () with | None -> Printf.ksprintf failwith "External dependency unusable, OS family not detected." | Some family -> match family with | "alpine" -> Alpine | "amzn" | "centos" | "fedora" | "mageia" | "oraclelinux" | "ol" | "rhel" -> Centos | "archlinux" | "arch" -> Arch | "bsd" -> begin match OpamSysPoll.os_distribution () with | Some ("freebsd" | "dragonfly") -> Freebsd | Some "netbsd" -> Netbsd | Some "openbsd" -> Openbsd | _ -> Printf.ksprintf failwith "External dependency handling not supported for OS family 'bsd'." end | "debian" | "ubuntu" -> Debian | "gentoo" -> Gentoo | "homebrew" -> Homebrew | "macports" -> Macports | "suse" | "opensuse" -> Suse | family -> Printf.ksprintf failwith "External dependency handling not supported for OS family '%s'." family ) in fun () -> Lazy.force family let yum_cmd = lazy begin if OpamSystem.resolve_command "yum" <> None then "yum" else if OpamSystem.resolve_command "dnf" <> None then "dnf" else raise (OpamSystem.Command_not_found "yum or dnf") end let packages_status packages = let (+++) pkg set = OpamSysPkg.Set.add (OpamSysPkg.of_string pkg) set in (* Some package managers don't permit to request on available packages. In this case, we consider all non installed packages as [available]. *) let open OpamSysPkg.Set.Op in let compute_sets ?sys_available sys_installed = let installed = packages %% sys_installed in let available, not_found = match sys_available with | Some sys_available -> let available = (packages -- installed) %% sys_available in let not_found = packages -- installed -- available in available, not_found | None -> let available = packages -- installed in available, OpamSysPkg.Set.empty in available, not_found in let to_string_list pkgs = OpamSysPkg.(Set.fold (fun p acc -> to_string p :: acc) pkgs []) in let names_re ?str_pkgs () = let str_pkgs = OpamStd.Option.default (to_string_list packages) str_pkgs in let need_escape = Re.(compile (group (set "+."))) in Printf.sprintf "^(%s)$" (OpamStd.List.concat_map "|" (Re.replace ~all:true need_escape ~f:(fun g -> "\\"^Re.Group.get g 1)) str_pkgs) in let with_regexp_sgl re_pkg = List.fold_left (fun pkgs l -> try Re.(Group.get (exec re_pkg l) 1) +++ pkgs with Not_found -> pkgs) OpamSysPkg.Set.empty in let with_regexp_dbl ~re_installed ~re_pkg = List.fold_left (fun (inst,avail) l -> try let pkg = Re.(Group.get (exec re_pkg l) 1) in if Re.execp re_installed l then pkg +++ inst, avail else inst, pkg +++ avail with Not_found -> inst, avail) OpamSysPkg.Set.(empty, empty) in let package_set_of_pkgpath l = List.fold_left (fun set pkg -> let short_name = match String.rindex pkg '/' with | exception Not_found -> pkg | idx -> String.sub pkg idx (String.length pkg - idx) in set |> OpamSysPkg.Set.add (OpamSysPkg.of_string pkg) |> OpamSysPkg.Set.add (OpamSysPkg.of_string short_name) ) OpamSysPkg.Set.empty l in let compute_sets_with_virtual get_avail_w_virtuals get_installed = let sys_available, sys_provides = get_avail_w_virtuals () in let need_inst_check = OpamSysPkg.Map.fold (fun cp vps set -> if OpamSysPkg.Set.(is_empty (inter vps packages)) then set else OpamSysPkg.Set.add cp set) sys_provides packages in let str_need_inst_check = to_string_list need_inst_check in let sys_installed = get_installed str_need_inst_check in let sys_installed = (* Resolve installed "provides" packages; assumes provides are not recursive *) OpamSysPkg.Set.fold (fun p acc -> match OpamSysPkg.Map.find_opt p sys_provides with | None -> acc | Some ps -> OpamSysPkg.Set.union acc ps) sys_installed sys_installed in compute_sets sys_installed ~sys_available in match family () with | Alpine -> (* Output format >capnproto policy: > 0.8.0-r1: > lib/apk/db/installed > @edgecommunity https://dl-cdn.alpinelinux.org/alpine/edge/community >at policy: > 3.2.1-r1: > https://dl-cdn.alpinelinux.org/alpine/v3.13/community >vim policy: > 8.2.2320-r0: > lib/apk/db/installed > https://dl-cdn.alpinelinux.org/alpine/v3.13/main > 8.2.2852-r0: > @edge https://dl-cdn.alpinelinux.org/alpine/edge/main >hwids-udev policy: > 20201207-r0: > https://dl-cdn.alpinelinux.org/alpine/v3.13/main > @edge https://dl-cdn.alpinelinux.org/alpine/v3.13/main > https://dl-cdn.alpinelinux.org/alpine/edge/main > @edge https://dl-cdn.alpinelinux.org/alpine/edge/main *) let sys_installed, sys_available = let pkg_name = Re.(compile @@ seq [ bol; group @@ rep1 @@ alt [ alnum; punct ]; space; str "policy:"; eol ]) in let repo_name = Re.(compile @@ seq [ bol; repn space 4 (Some 4); char '@'; group @@ rep1 @@ alt [ alnum; punct ]; space ]) in let add_pkg pkg repo installed (inst,avail) = let pkg = match repo with Some r -> pkg^"@"^r | None -> pkg in if installed then pkg +++ inst, avail else inst, pkg +++ avail in to_string_list packages |> List.map (fun s -> match OpamStd.String.cut_at s '@' with | Some (pkg, _repo) -> pkg | None -> s) |> (fun l -> run_query_command "apk" ("policy"::l)) |> List.fold_left (fun (pkg, installed, instavail) l -> try (* package name *) Re.(Group.get (exec pkg_name l) 1), false, instavail with Not_found -> if l.[2] != ' ' then (* only version field is after two spaces *) pkg, false, instavail else if l = " lib/apk/db/installed" then (* from https://git.alpinelinux.org/apk-tools/tree/src/database.c#n58 *) pkg, true, instavail else (* repo (tagged and non-tagged) *) let repo = try Some Re.(Group.get (exec repo_name l) 1) with Not_found -> None in pkg, installed, add_pkg pkg repo installed instavail) ("", false, OpamSysPkg.Set.(empty, empty)) |> (fun (_,_, instavail) -> instavail) in compute_sets sys_installed ~sys_available | Arch -> let get_avail_w_virtuals () = let package_provided str = OpamSysPkg.of_string (match OpamStd.String.cut_at str '=' with | None -> str | Some (p, _vc) -> p) in (* Output format: >Repository : core >Name : python >Version : 3.9.6-1 >Description : Next generation of the python high-level scripting language >Architecture : x86_64 >URL : https://www.python.org/ >Licenses : custom >Groups : None >Provides : python3 >Depends On : bzip2 expat gdbm libffi libnsl libxcrypt openssl >Optional Deps : python-setuptools > python-pip >[...] Format partially described in https://archlinux.org/pacman/PKGBUILD.5.html *) (* Discard stderr to not have it pollute output. Plus, exit code is the number of packages not found. *) run_command ~discard_err:true "pacman" ["-Si"] |> snd |> List.fold_left (fun (avail, provides, latest) l -> match OpamStd.String.split l ' ' with | "Name"::":"::p::_ -> p +++ avail, provides, Some (OpamSysPkg.of_string p) | "Provides"::":"::"None"::[] -> avail, provides, latest | "Provides"::":"::pkgs -> let ps = OpamSysPkg.Set.of_list (List.map package_provided pkgs) in let provides = match latest with | Some p -> OpamSysPkg.Map.add p ps provides | None -> provides (* Bad pacman output ?? *) in ps ++ avail, provides, None | _ -> avail, provides, latest) (OpamSysPkg.Set.empty, OpamSysPkg.Map.empty, None) |> (fun (a,p,_) -> a,p) in let get_installed str_pkgs = (* output: >extra/cmake 3.17.1-1 [installed] > A cross-platform open-source make system >extra/cmark 0.29.0-1 > CommonMark parsing and rendering library and program in C *) let re_pkg = Re.(compile @@ seq [ bol; rep1 @@ alt [alnum; punct]; char '/'; group @@ rep1 @@ alt [alnum; punct]; space; ]) in run_query_command "pacman" ["-Qs" ; names_re ~str_pkgs ()] |> with_regexp_sgl re_pkg in compute_sets_with_virtual get_avail_w_virtuals get_installed | Centos -> (* Output format: >crypto-policies >python3-pip-wheel *) let sys_installed = run_query_command "rpm" ["-qa"; "--qf"; "%{NAME}\\n"] |> List.map OpamSysPkg.of_string |> OpamSysPkg.Set.of_list in compute_sets sys_installed | Debian -> let get_avail_w_virtuals () = let provides_sep = Re.(compile @@ str ", ") in let package_provided str = OpamSysPkg.of_string (match OpamStd.String.cut_at str ' ' with | None -> str | Some (p, _vc) -> p) in (* Output format: >Package: apt >Version: 2.1.7 >Installed-Size: 4136 >Maintainer: APT Development Team <deity@lists.debian.org> >Architecture: amd64 >Replaces: apt-transport-https (<< 1.5~alpha4~), apt-utils (<< 1.3~exp2~) >Provides: apt-transport-https (= 2.1.7) > [...] > The `Provides' field contains provided virtual package(s) by current `Package:'. * manpages.debian.org/buster/apt/apt-cache.8.en.html * www.debian.org/doc/debian-policy/ch-relationships.html#s-virtual *) run_query_command "apt-cache" ["search"; names_re (); "--names-only"; "--full"] |> List.fold_left (fun (avail, provides, latest) l -> if OpamStd.String.starts_with ~prefix:"Package: " l then let p = String.sub l 9 (String.length l - 9) in p +++ avail, provides, Some (OpamSysPkg.of_string p) else if OpamStd.String.starts_with ~prefix:"Provides: " l then let ps = List.map package_provided (Re.split ~pos:10 provides_sep l) |> OpamSysPkg.Set.of_list in avail ++ ps, (match latest with | Some p -> OpamSysPkg.Map.add p ps provides | None -> provides (* Bad apt-cache output ?? *)), None else avail, provides, latest) (OpamSysPkg.Set.empty, OpamSysPkg.Map.empty, None) |> (fun (a,p,_) -> a,p) in let get_installed str_pkgs = (* ouput: >ii uim-gtk3 1:1.8.8-6.1 amd64 Universal ... >ii uim-gtk3-immodule:amd64 1:1.8.8-6.1 amd64 Universal ... *) let re_pkg = Re.(compile @@ seq [ bol; str "ii"; rep1 @@ space; group @@ rep1 @@ diff (alt [alnum; punct]) (char ':'); (* pkg:arch convention *) ]) in (* discard stderr as just nagging *) run_command ~discard_err:true "dpkg-query" ("-l" :: str_pkgs) |> snd |> with_regexp_sgl re_pkg in compute_sets_with_virtual get_avail_w_virtuals get_installed | Freebsd -> let sys_installed = run_query_command "pkg" ["query"; "%n\n%o"] |> List.map OpamSysPkg.of_string |> OpamSysPkg.Set.of_list in compute_sets sys_installed | Gentoo -> let sys_installed = let re_pkg = Re.(compile @@ seq [ group @@ rep1 @@ alt [alnum; punct]; char '-'; rep @@ seq [rep1 digit; char '.']; rep1 digit; rep any; eol ]) in List.fold_left (fun inst dir -> List.fold_left (fun inst pkg -> let to_string d = OpamFilename.basename_dir d |> OpamFilename.Base.to_string in let pkg = Filename.concat (to_string dir) (to_string pkg) in try Re.(Group.get (exec re_pkg pkg) 1) :: inst with Not_found -> inst ) inst (OpamFilename.dirs dir)) [] (OpamFilename.dirs (OpamFilename.Dir.of_string "/var/db/pkg")) |> package_set_of_pkgpath in compute_sets sys_installed | Homebrew -> (* accept 'pkgname' and 'pkgname@version' exampe output >openssl@1.1 >bmake >koekeishiya/formulae/skhd *) let sys_installed = run_query_command "brew" ["list"; "--full-name"] |> List.fold_left (fun res s -> List.fold_left (fun res spkg -> let parse_fullname pkg = match List.rev (OpamStd.String.split pkg '/') with | [] -> [] | [pkg] -> [pkg] | simple_name::_ -> [pkg; simple_name] in match OpamStd.String.cut_at spkg '@' with | Some (n,_v) -> parse_fullname n @ parse_fullname spkg @ res | None -> parse_fullname spkg @ res) res (OpamStd.String.split s ' ')) [] |> List.map OpamSysPkg.of_string |> OpamSysPkg.Set.of_list in compute_sets sys_installed | Macports -> let variants_map, packages = OpamSysPkg.(Set.fold (fun spkg (map, set) -> match OpamStd.String.cut_at (to_string spkg) ' ' with | Some (pkg, variant) -> OpamStd.String.Map.add pkg variant map, pkg +++ set | None -> map, Set.add spkg set) packages (OpamStd.String.Map.empty, Set.empty)) in let str_pkgs = to_string_list packages in let sys_installed = (* output: > zlib @1.2.11_0 (active) > gtk3 @3.24.21_0+quartz (active) *) let re_pkg = Re.(compile @@ seq [ bol; rep space; group @@ rep1 @@ alt [alnum; punct]; rep1 space; char '@'; rep1 @@ diff any (char '+'); opt @@ group @@ rep1 @@ alt [alnum; punct]; rep1 space; str "(active)"; eol ]) in run_query_command "port" ("installed" :: str_pkgs) |> (function _::lines -> lines | _ -> []) |> List.fold_left (fun pkgs l -> try let pkg = Re.(Group.get (exec re_pkg l) 1) in (* variant handling *) match OpamStd.String.Map.find_opt pkg variants_map with | Some variant -> (try if Re.(Group.get (exec re_pkg l) 2) = variant then (pkg ^ " " ^ variant) +++ pkgs else pkgs with Not_found -> pkgs) | None -> pkg +++ pkgs with Not_found -> pkgs) OpamSysPkg.Set.empty in let sys_available = (* example output >diffutils 3.7 sysutils textproc devel GNU diff utilities >-- >No match for gcc found *) let re_pkg = Re.(compile @@ seq [ bol; group @@ rep1 @@ alt [alnum; punct]; rep1 space; rep1 @@ alt [digit; punct]; ]) in let avail = run_query_command "port" [ "search"; "--line"; "--regex"; names_re ~str_pkgs () ] |> with_regexp_sgl re_pkg in (* variants handling *) let variants = OpamStd.String.Map.filter (fun p _ -> OpamSysPkg.Set.mem (OpamSysPkg.of_string p) avail) variants_map |> OpamStd.String.Map.keys in run_query_command "port" ([ "info"; "--name"; "--variants" ] @ variants) |> List.fold_left (fun (prec, avail) l -> match prec, OpamStd.String.split l ' ' with | _, "name:"::pkg::[] -> Some pkg, avail | Some pkg, "variants:"::variants -> None, List.fold_left (fun avail v -> (pkg ^ " +" ^ (OpamStd.String.remove_suffix ~suffix:"," v)) +++ avail) avail variants | _ -> None, avail ) (None, avail) |> snd in compute_sets sys_installed ~sys_available | Netbsd -> let sys_installed = run_query_command "pkg_info" ["-Q"; "PKGPATH"; "-a"] |> package_set_of_pkgpath in compute_sets sys_installed | Openbsd -> let sys_installed = run_query_command "pkg_info" ["-mqP"] |> package_set_of_pkgpath in compute_sets sys_installed | Suse -> (* get the second column of the table: zypper --quiet se -i -t package|grep '^i '|awk -F'|' '{print $2}'|xargs echo output: >S | Name | Summary >--+-----------------------------+------------- > | go-gosqlite | Trivial SQLi >i | libqt4-sql-sqlite-32bit | Qt 4 sqlite *) let re_pkg = Re.(compile @@ seq [ bol; rep1 any; char '|'; rep1 space; group @@ rep1 @@ alt [alnum; punct]; rep1 space; char '|'; ]) in let re_installed = Re.(compile @@ seq [bol ; char 'i']) in let sys_installed, sys_available = run_query_command "zypper" ["--quiet"; "se"; "-t"; "package"] |> with_regexp_dbl ~re_installed ~re_pkg in compute_sets sys_installed ~sys_available (* Install *) let install_packages_commands_t sys_packages = let unsafe_yes = OpamCoreConfig.answer_is `unsafe_yes in let yes ?(no=[]) yes r = if unsafe_yes then yes @ r else no @ r in let packages = List.map OpamSysPkg.to_string (OpamSysPkg.Set.elements sys_packages) in match family () with | Alpine -> ["apk", "add"::yes ~no:["-i"] [] packages], None | Arch -> ["pacman", "-Su"::yes ["--noconfirm"] packages], None | Centos -> (* TODO: check if they all declare "rhel" as primary family *) (* Kate's answer: no they don't :( (e.g. Fedora, Oraclelinux define Nothing and "fedora" respectively) *) (* When opam-packages specify the epel-release package, usually it means that other dependencies require the EPEL repository to be already setup when yum-install is called. Cf. opam-depext/#70,#76. *) let epel_release = "epel-release" in let install_epel rest = if List.mem epel_release packages then [Lazy.force yum_cmd, "install"::yes ["-y"] [epel_release]] @ rest else rest in install_epel [Lazy.force yum_cmd, "install"::yes ["-y"] (OpamStd.String.Set.of_list packages |> OpamStd.String.Set.remove epel_release |> OpamStd.String.Set.elements); "rpm", "-q"::"--whatprovides"::packages], None | Debian -> ["apt-get", "install"::yes ["-qq"; "-yy"] packages], (if unsafe_yes then Some ["DEBIAN_FRONTEND", "noninteractive"] else None) | Freebsd -> ["pkg", "install"::yes ["-y"] packages], None | Gentoo -> ["emerge", yes ~no:["-a"] [] packages], None | Homebrew -> ["brew", "install"::packages], (* NOTE: Does not have any interactive mode *) Some (["HOMEBREW_NO_AUTO_UPDATE","yes"]) | Macports -> let packages = (* Separate variants from their packages *) List.map (fun p -> OpamStd.String.split p ' ') packages |> List.flatten in ["port", yes ["-N"] ("install"::packages)], None | Netbsd -> ["pkgin", yes ["-y"] ("install" :: packages)], None | Openbsd -> ["pkg_add", yes ~no:["-i"] ["-I"] packages], None | Suse -> ["zypper", yes ["--non-interactive"] ("install"::packages)], None let install_packages_commands sys_packages = fst (install_packages_commands_t sys_packages) let sudo_run_command ?vars cmd args = let cmd, args = let not_root = Unix.getuid () <> 0 in match OpamSysPoll.os (), OpamSysPoll.os_distribution () with | Some "openbsd", _ when not_root -> "doas", cmd::args | Some ("linux" | "unix" | "freebsd" | "netbsd" | "dragonfly"), _ | Some "macos", Some "macports" when not_root -> if OpamSystem.resolve_command "sudo" = None then "su", ["root"; "-c"; Printf.sprintf "%S" (String.concat " " (cmd::args))] else "sudo", cmd::args | _ -> cmd, args in match run_command_exit_code ?vars ~allow_stdin:true ~verbose:true cmd args with | 0 -> () | code -> Printf.ksprintf failwith "failed with exit code %d at command:\n %s" code (String.concat " " (cmd::args)) let install packages = if OpamSysPkg.Set.is_empty packages then log "Nothing to install" else let commands, vars = install_packages_commands_t packages in let vars = OpamStd.Option.map (List.map (fun x -> `add, x)) vars in List.iter (fun (cmd, args) -> try sudo_run_command ?vars cmd args with Failure msg -> failwith ("System package install " ^ msg)) commands let update () = let cmd = match family () with | Alpine -> Some ("apk", ["update"]) | Arch -> Some ("pacman", ["-Sy"]) | Centos -> Some (Lazy.force yum_cmd, ["makecache"]) | Debian -> Some ("apt-get", ["update"]) | Gentoo -> Some ("emerge", ["--sync"]) | Homebrew -> Some ("brew", ["update"]) | Macports -> Some ("port", ["sync"]) | Suse -> Some ("zypper", ["--non-interactive"; "refresh"]) | Freebsd | Netbsd | Openbsd -> None in match cmd with | None -> OpamConsole.warning "Unknown update command for %s, skipping system update" OpamStd.Option.Op.(OpamSysPoll.os_family () +! "unknown") | Some (cmd, args) -> try sudo_run_command cmd args with Failure msg -> failwith ("System package update " ^ msg) let repo_enablers () = if family () <> Centos then None else let (needed, _) = packages_status (OpamSysPkg.raw_set (OpamStd.String.Set.singleton "epel-release")) in if OpamSysPkg.Set.is_empty needed then None else Some "On CentOS/RHEL, many packages may assume that the Extra Packages for \ Enterprise Linux (EPEL) repository has been enabled. \ This is typically done by installing the 'epel-release' package. \ Please see https://fedoraproject.org/wiki/EPEL for more information"