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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 vars =
List.map (fun (c, (n, v)) -> c, (OpamStd.Env.Name.of_string n, v)) vars
in
let set_vars, kept_vars, env =
List.fold_left (fun (n,p,e) (op, (name, content as var)) ->
match OpamStd.(List.assoc_opt Env.Name.equal name env), op with
| Some c, `add when String.equal c content -> n, p, e
| Some _, `set ->
var::n, p, (List.filter (fun (k, _) ->
not (OpamStd.Env.Name.equal k 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 :> (string * string) list)));
None)
else
(log "Adding to env %s"
(OpamStd.List.to_string str_var (set_vars :> (string * string) list));
Some ((set_vars @ env :> (string * string) list)
|> 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
type test_setup = {
install: bool;
installed: [ `all | `none | `set of OpamSysPkg.Set.t];
available: [ `all | `none | `set of OpamSysPkg.Set.t];
}
(* Internal module to get package manager commands defined in global config file *)
module Commands = struct
let get_cmd_opt config family =
OpamStd.String.Map.find_opt family
(OpamFile.Config.sys_pkg_manager_cmd config)
let cygwin_t = "cygwin"
let msys2_t = "msys2"
let msys2 config =
let override = get_cmd_opt config msys2_t in
OpamStd.Option.map_default OpamFilename.to_string "pacman.exe" override
let cygcheck config =
let override = get_cmd_opt config cygwin_t in
OpamStd.Option.map_default OpamFilename.to_string "cygcheck.exe" override
end
(* Please keep this alphabetically ordered, in the type definition, and in
below pattern matching *)
type families =
| Alpine
| Arch
| Centos
| Cygwin
| Debian
| Dummy of test_setup
| Freebsd
| Gentoo
| Homebrew
| Macports
| Msys2
| Netbsd
| Openbsd
| Suse
(* System status *)
let family ~env () =
match OpamSysPoll.os_family env with
| None ->
Printf.ksprintf failwith
"External dependency unusable, OS family not detected."
| Some family when OpamStd.String.starts_with ~prefix:"dummy-" family ->
let error () =
OpamConsole.error_and_exit `Bad_arguments
"Syntax error on dummy depext test family. Syntax is \
dummy-<success|failure>[:<*|0|pkgslist>:*|0|pkgslist>]"
in
let install, installed, available =
match OpamStd.String.cut_at family ':' with
| Some (install, packages) ->
let installed, available =
match OpamStd.String.cut_at packages ':' with
| Some (installed, available) ->
Some installed, Some available
| None -> error ()
in
install, installed, available
| None -> family, None, None
in
let install =
match install with
| "dummy-success" -> true
| "dummy-failure" -> false
| _ -> error()
in
let parse_packages ~default = function
| Some "" | None -> default
| Some "*" -> `all
| Some "0" -> `none
| Some set ->
`set (OpamStd.String.split set ','
|> List.map OpamSysPkg.of_string
|> OpamSysPkg.Set.of_list)
in
let installed = parse_packages ~default:`none installed in
let available = parse_packages ~default:`all available in
Dummy { install; installed; available; }
| Some family ->
match family with
| "alpine" | "wolfi" -> Alpine
| "amzn" | "centos" | "fedora" | "mageia" | "oraclelinux" | "ol"
| "rhel" -> Centos
| "archlinux" | "arch" -> Arch
| "bsd" ->
begin match OpamSysPoll.os_distribution env 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
| "macos" ->
failwith
"External dependency handling for macOS requires either \
MacPorts or Homebrew - neither could be found"
| "suse" | "opensuse" -> Suse
| "windows" ->
(match OpamSysPoll.os_distribution env with
| Some "msys2" -> Msys2
| Some "cygwin" -> Cygwin
| _ ->
failwith
"External dependency handling not supported for Windows unless \
MSYS2 or Cygwin is installed. In particular 'os-distribution' \
must be set to 'msys2' or 'cygwin'.")
| family ->
Printf.ksprintf failwith
"External dependency handling not supported for OS family '%s'."
family
module Cygwin = struct
open OpamFilename.Op
let url_setupexe = OpamUrl.of_string "https://cygwin.com/setup-x86_64.exe"
let url_setupexe_sha512 = OpamUrl.of_string "https://cygwin.com/sha512.sum"
let mirror = "https://cygwin.mirror.constant.com/"
(* Cygwin setup exe must be stored at Cygwin installation root *)
let setupexe = "setup-x86_64.exe"
let cygcheckexe = "cygcheck.exe"
open OpamStd.Option.Op
let cygbin_opt config =
Commands.(get_cmd_opt config cygwin_t)
>>| OpamFilename.dirname
let msys2bin_opt config =
Commands.(get_cmd_opt config msys2_t)
>>| OpamFilename.dirname
let cygroot_opt config =
cygbin_opt config
>>| OpamFilename.dirname_dir
let cygroot config =
match cygroot_opt config with
| Some c -> c
| None ->
match OpamSystem.resolve_command "cygcheck.exe" with
| Some cygcheck ->
OpamFilename.dirname_dir (OpamFilename.Dir.of_string (Filename.dirname cygcheck))
| None ->
failwith "Cygwin install not found"
let internal_cygwin =
let internal =
Lazy.from_fun @@ fun () -> (OpamStateConfig.(!r.root_dir) / ".cygwin")
in
fun () -> Lazy.force internal
let internal_cygroot () = internal_cygwin () / "root"
let internal_cygcache () = internal_cygwin () / "cache"
let cygsetup () = internal_cygwin () // setupexe
let is_internal config =
OpamStd.Option.equal OpamFilename.Dir.equal
(cygroot_opt config)
(Some (internal_cygroot ()))
let download_setupexe dst =
let overwrite = true in
let kind = `SHA512 in
let current_checksum =
if OpamFilename.exists dst then
Some (OpamHash.compute ~kind (OpamFilename.to_string dst))
else
None
in
let open OpamProcess.Job.Op in
log "Downloading Cygwin setup checksums";
if OpamConsole.disp_status_line () then
if OpamFilename.exists dst then
OpamConsole.status_line "Checking if Cygwin setup is up-to-date"
else
OpamConsole.status_line "Downloading Cygwin setup from cygwin.com";
OpamFilename.with_tmp_dir_job @@ fun dir ->
OpamDownload.download ~overwrite url_setupexe_sha512 dir @@+ fun file ->
let checksum =
let content = OpamFilename.read file in
let re =
(* File content:
>SHA512 setup-x86.exe
>SHA512 setup-x86_64.exe
*)
Re.(compile @@ seq [
group @@ repn
(alt [ digit ; rg 'A' 'F'; rg 'a' 'f' ]) 128 (Some 128);
rep space;
str "setup-x86_64.exe"
])
in
try Some (OpamHash.sha512 Re.(Group.get (exec re content) 1))
with Not_found -> None
in
if OpamStd.Option.equal OpamHash.equal current_checksum checksum &&
OpamFilename.exists dst &&
OpamStd.Option.equal OpamHash.equal current_checksum
(Some (OpamHash.compute ~kind (OpamFilename.to_string dst))) then begin
log "Up-to-date";
OpamConsole.clear_status ();
Done ()
end else begin
log "Downloading setup-x86_64.exe";
if OpamConsole.disp_status_line () then
OpamConsole.status_line "Downloading Cygwin setup from cygwin.com";
OpamDownload.download_as ~overwrite ?checksum url_setupexe dst @@+
fun () ->
OpamConsole.clear_status ();
Done ()
end
let set_fstab_noacl =
let orig = "binary," in
let re = Re.compile (Re.str orig) in
fun fstab ->
let content = OpamFilename.read fstab in
let content = Re.replace_string re ~by:("noacl,"^orig) content in
OpamFilename.with_open_out_bin_atomic fstab
(fun oc -> Stdlib.output_string oc content)
let install packages =
let open OpamProcess.Job.Op in
let cygwin_root = internal_cygroot () in
let cygwin_bin = cygwin_root / "bin" in
let fstab = cygwin_root / "etc" // "fstab" in
let cygcheck = cygwin_bin // cygcheckexe in
let local_cygwin_setupexe = cygsetup () in
if OpamFilename.exists cygcheck then
OpamConsole.warning "Cygwin already installed in root %s"
(OpamFilename.Dir.to_string cygwin_root)
else
(* rjbou: dry run ? there is no dry run on install, from where this
function is called *)
(OpamProcess.Job.run @@
(* download setup.exe *)
download_setupexe local_cygwin_setupexe @@+ fun () ->
(* launch install *)
let args = [
"--root"; OpamFilename.Dir.to_string cygwin_root;
"--arch"; "x86_64";
"--only-site";
"--site"; mirror;
"--local-package-dir";
OpamFilename.Dir.to_string (internal_cygcache ());
"--no-admin";
"--no-desktop";
"--no-replaceonreboot";
"--no-shortcuts";
"--no-startmenu";
"--no-write-registry";
"--no-version-check";
"--quiet-mode"; "noinput";
] @
match packages with
| [] -> []
| spkgs ->
[ "--packages";
OpamStd.List.concat_map "," OpamSysPkg.to_string spkgs ]
in
let args =
if Unix.has_symlink () then
"--symlink-type" :: "native" :: args
else
args
in
OpamSystem.make_command
(OpamFilename.to_string local_cygwin_setupexe)
args @@> fun r ->
OpamSystem.raise_on_process_error r;
set_fstab_noacl fstab;
Done ())
let analysis_cache = Hashtbl.create 17
let analyse_install path =
let cygbin =
if not (Sys.file_exists path) then
Error (path ^ " not found!")
else if Filename.remove_extension (Filename.basename path)
= "cygcheck" then
(* path refers to cygcheck directly *)
Ok (Filename.dirname path)
else if not (Sys.is_directory path) then
Error (Printf.sprintf "%s neither a directory nor cygcheck.exe" path)
else
(* path is a directory - search path, path\bin and path\usr\bin *)
let contains_cygcheck dir =
Sys.file_exists (Filename.concat dir "cygcheck.exe")
in
let tests = [
path; (* e.g. C:\cygwin64\bin / C:\msys64\usr\bin *)
Filename.concat path "bin"; (* e.g. C:\cygwin64 *)
Filename.concat (Filename.concat path "usr") "bin" (* e.g. C:\msys64 *)
] in
match List.filter contains_cygcheck tests with
| [] ->
Error (Printf.sprintf
"cygcheck.exe not found in %s, or subdirectories \
bin and usr\\bin" path)
| _::_::_ ->
Error (Printf.sprintf
"cygcheck.exe found in multiple places in %s which suggests \
it is not a Cygwin/MSYS2 installation" path)
| [path] ->
Ok path
in
let identify dir =
try Hashtbl.find analysis_cache dir
with Not_found ->
let result =
let cygpath = Filename.concat dir "cygpath.exe" in
if not (Sys.file_exists cygpath) then
Error (Printf.sprintf
"cygcheck.exe found in %s, but cygpath.exe was not" dir)
else
match OpamStd.Sys.get_windows_executable_variant
~search_in_first:dir cygpath with
| `Native | `Tainted _ ->
Error (Printf.sprintf
"cygcheck.exe found in %s; but it does not appear \
to be part of a Cygwin or MSYS2 installation" dir)
| (`Msys2 | `Cygwin) as kind ->
(* Check that pacman.exe is present with MSYS2: it is typically
not present with a Git-for-Windows Git Bash session, and as
these are basically unusable (they don't have all the required
tools, and we have no package manager with which to add them),
it's better to exclude them). *)
if kind = `Msys2
&& not (Sys.file_exists (Filename.concat dir "pacman.exe")) then
Error (Printf.sprintf
"cygcheck.exe found in %s, which appears to be from \
an MSYS2 installation, but pacman.exe was not" dir)
else
let r =
OpamProcess.run
(OpamProcess.command ~name:(OpamSystem.temp_file "command")
~allow_stdin:false cygpath ["-w"; "--"; "/"])
in
OpamProcess.cleanup ~force:true r;
if OpamProcess.is_success r then
match r.OpamProcess.r_stdout with
| [] ->
Error ("Unexpected error translating \"/\" with " ^ cygpath)
| l::_ ->
Ok (kind, OpamFilename.Dir.of_string l)
else
Error ("Could not determine the root for " ^ cygpath)
in
Hashtbl.add analysis_cache dir result;
result
in
Result.bind cygbin identify
let bindir_for_root kind root =
let open OpamFilename.Op in
match kind with
| `Msys2 -> root / "usr" / "bin"
| `Cygwin -> root / "bin"
(* Set setup.exe in the good place, ie in .opam/.cygwin/ *)
let check_setup ~update =
let dst = cygsetup () in
if update || not (OpamFilename.exists dst) then
OpamProcess.Job.run @@ download_setupexe dst
end
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 ?(env=OpamVariable.Map.empty) config 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+1) (String.length pkg - idx - 1)
in
let no_flavor =
match String.index short_name ',' with
| exception Not_found -> short_name
| idx -> String.sub short_name 0 idx
in
set
|> OpamSysPkg.Set.add (OpamSysPkg.of_string pkg)
|> OpamSysPkg.Set.add (OpamSysPkg.of_string short_name)
|> OpamSysPkg.Set.add (OpamSysPkg.of_string no_flavor)
) 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
let compute_sets_for_arch ~pacman =
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
in
match family ~env () 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 ->
compute_sets_for_arch ~pacman:"pacman"
| 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
| Cygwin ->
(* Output format:
>Cygwin Package Information
>Package Version
>git 2.35.1-1
>binutils 2.37-2
*)
let sys_installed =
run_query_command (Commands.cygcheck config)
([ "-c"; "-d" ] @ to_string_list packages)
|> (function | _::_::l -> l | _ -> [])
|> OpamStd.List.filter_map (fun l ->
match OpamStd.String.split l ' ' with
| pkg::_ -> Some pkg
| _ -> None)
|> 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
| Dummy test ->
let sys_installed =
match test.installed with
| `all -> packages
| `none -> OpamSysPkg.Set.empty
| `set pkgs -> pkgs %% packages
in
let sys_available =
match test.available with
| `all -> packages
| `none -> OpamSysPkg.Set.empty
| `set pkgs -> pkgs %% packages
in
compute_sets ~sys_available sys_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 (String.split_on_char '/' pkg) with
| [] -> assert false (* split_on_char is guaranteed to never return [] *)
| [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
| Msys2 ->
compute_sets_for_arch ~pacman:(Commands.msys2 config)
| 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 ?(env=OpamVariable.Map.empty) config 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