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clean c_

top-level-wip
Hung 2023-02-14 01:56:48 -07:00
parent bf22c75270
commit ed84a5a871
4 changed files with 109 additions and 98 deletions
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151
c_.nix
View File

@ -1,100 +1,111 @@
# a small helper that only builds on top of builtins functions
{src}@inputs:
builtins // (let
formatSecondsSinceEpoch = t:
let
rem = x: y: x - x / y * y;
days = t / 86400;
secondsInDay = rem t 86400;
hours = secondsInDay / 3600;
minutes = (rem secondsInDay 3600) / 60;
seconds = rem t 60;
_: (builtins // (
let
formatSecondsSinceEpoch = t:
let
rem = x: y: x - x / y * y;
days = t / 86400;
secondsInDay = rem t 86400;
hours = secondsInDay / 3600;
minutes = (rem secondsInDay 3600) / 60;
seconds = rem t 60;
# Courtesy of https://stackoverflow.com/a/32158604.
z = days + 719468;
era = (if z >= 0 then z else z - 146096) / 146097;
doe = z - era * 146097;
yoe = (doe - doe / 1460 + doe / 36524 - doe / 146096) / 365;
y = yoe + era * 400;
doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
mp = (5 * doy + 2) / 153;
d = doy - (153 * mp + 2) / 5 + 1;
m = mp + (if mp < 10 then 3 else -9);
y' = y + (if m <= 2 then 1 else 0);
# Courtesy of https://stackoverflow.com/a/32158604.
z = days + 719468;
era = (if z >= 0 then z else z - 146096) / 146097;
doe = z - era * 146097;
yoe = (doe - doe / 1460 + doe / 36524 - doe / 146096) / 365;
y = yoe + era * 400;
doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
mp = (5 * doy + 2) / 153;
d = doy - (153 * mp + 2) / 5 + 1;
m = mp + (if mp < 10 then 3 else -9);
y' = y + (if m <= 2 then 1 else 0);
pad = s: if builtins.stringLength s < 2 then "0" + s else s;
in "${toString y'}${pad (toString m)}${pad (toString d)}${pad (toString hours)}"
+ "${pad (toString minutes)}${pad (toString seconds)}";
pad = s: if builtins.stringLength s < 2 then "0" + s else s;
in
"${toString y'}${pad (toString m)}${pad (toString d)}${pad (toString hours)}"
+ "${pad (toString minutes)}${pad (toString seconds)}";
fetchTree =
# this is the value of flake.lock#lock.nodes.${input_name}.locked
{type
, host? ""
, owner? ""
, repo? ""
, rev? ""
, submodules? ""
, path? ""
, narHash? null
, lastModified? 0
}@info:
if info.type == "github" then
{ outPath =
fetchTree =
# this is the value of flake.lock#lock.nodes.${input_name}.locked
{ type
, host ? ""
, owner ? ""
, repo ? ""
, rev ? ""
, submodules ? ""
, path ? ""
, narHash ? null
, lastModified ? 0
, src ? ./.
}@info:
if info.type == "github" then
{
outPath =
fetchTarball
({ url = "https://api.${info.host or "github.com"}/repos/"
+ "${info.owner}/${info.repo}/tarball/${info.rev}"; }
// (if info ? narHash then { sha256 = info.narHash; } else {})
({
url = "https://api.${info.host or "github.com"}/repos/"
+ "${info.owner}/${info.repo}/tarball/${info.rev}";
}
// (if info ? narHash then { sha256 = info.narHash; } else { })
);
rev = info.rev;
shortRev = builtins.substring 0 7 info.rev;
lastModified = info.lastModified;
lastModifiedDate = formatSecondsSinceEpoch info.lastModified;
narHash = info.narHash;
}
else if info.type == "git" then
{ outPath =
}
else if info.type == "git" then
{
outPath =
builtins.fetchGit
({ url = info.url; }
// (if info ? rev then { inherit (info) rev; } else {})
// (if info ? ref then { inherit (info) ref; } else {})
// (if info ? submodules then { inherit (info) submodules; } else {})
// (if info ? rev then { inherit (info) rev; } else { })
// (if info ? ref then { inherit (info) ref; } else { })
// (if info ? submodules then { inherit (info) submodules; } else { })
);
lastModified = info.lastModified;
lastModifiedDate = formatSecondsSinceEpoch info.lastModified;
narHash = info.narHash;
} // (if info ? rev then {
rev = info.rev;
shortRev = builtins.substring 0 7 info.rev;
} else {
})
else if info.type == "path" then
{ outPath = builtins.path {
path = if builtins.substring 0 1 info.path != "/"
} // (if info ? rev then {
rev = info.rev;
shortRev = builtins.substring 0 7 info.rev;
} else { })
else if info.type == "path" then
{
outPath = builtins.path {
path =
if builtins.substring 0 1 info.path != "/"
then src + ("/" + info.path) # make this absolute path by prepending ./
else info.path; # it's already an absolute path
};
narHash = info.narHash;
}
else if info.type == "tarball" then
{ outPath =
narHash = info.narHash;
}
else if info.type == "tarball" then
{
outPath =
fetchTarball
({ inherit (info) url; }
// (if info ? narHash then { sha256 = info.narHash; } else {})
// (if info ? narHash then { sha256 = info.narHash; } else { })
);
}
else if info.type == "gitlab" then
{ inherit (info) rev narHash lastModified;
}
else if info.type == "gitlab" then
{
inherit (info) rev narHash lastModified;
outPath =
fetchTarball
({ url = "https://${info.host or "gitlab.com"}/api/v4/projects/${info.owner}%2F${info.repo}/repository/archive.tar.gz?sha=${info.rev}"; }
// (if info ? narHash then { sha256 = info.narHash; } else {})
// (if info ? narHash then { sha256 = info.narHash; } else { })
);
shortRev = builtins.substring 0 7 info.rev;
}
else
# FIXME: add Mercurial, tarball inputs.
throw "flake input has unsupported input type '${info.type}'";
in {
}
else
# FIXME: add Mercurial, tarball inputs.
throw "flake input has unsupported input type '${info.type}'";
in
{
inherit fetchTree;
})
}
)) nil

2
default.nix
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@ -3,7 +3,7 @@
(
let
lock = builtins.fromJSON (builtins.readFile ./flake.lock);
c_ = import ./c_.nix {src = ./.;};
c_ = import ./c_.nix;
in
c_.fetchTree lock.nodes.flake-compat.locked
)

2
nix-conf/home-manager/default.nix
View File

@ -3,7 +3,7 @@
(
let
lock = builtins.fromJSON (builtins.readFile ./flake.lock);
c_ = import ./../../c_.nix {src = ./.;};
c_ = import ./../../c_.nix;
in
c_.fetchTree lock.nodes.flake-compat.locked
)

2
shell.nix
View File

@ -5,7 +5,7 @@
(
let
lock = builtins.fromJSON (builtins.readFile ./flake.lock);
in (import ./c_.nix {src = ./.;}).fetchTree lock.nodes.flake-compat.locked
in (import ./c_.nix).fetchTree lock.nodes.flake-compat.locked
)
{ src = ./.; }
).shellNix