format c_

Pegasust 2023-02-05 17:08:36 -07:00
parent 00e7a15b19
commit 29e5db764d
1 changed files with 106 additions and 95 deletions

39
c_.nix
View File

@ -1,6 +1,7 @@
# a small helper that only builds on top of builtins functions
{ src }@inputs:
builtins // (let
builtins // (
let
formatSecondsSinceEpoch = t:
let
rem = x: y: x - x / y * y;
@ -23,7 +24,8 @@ 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)}"
in
"${toString y'}${pad (toString m)}${pad (toString d)}${pad (toString hours)}"
+ "${pad (toString minutes)}${pad (toString seconds)}";
fetchTree =
@ -39,10 +41,13 @@ fetchTree =
, lastModified ? 0
}@info:
if info.type == "github" then
{ outPath =
{
outPath =
fetchTarball
({ url = "https://api.${info.host or "github.com"}/repos/"
+ "${info.owner}/${info.repo}/tarball/${info.rev}"; }
({
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;
@ -52,7 +57,8 @@ if info.type == "github" then
narHash = info.narHash;
}
else if info.type == "git" then
{ outPath =
{
outPath =
builtins.fetchGit
({ url = info.url; }
// (if info ? rev then { inherit (info) rev; } else { })
@ -65,25 +71,28 @@ else if info.type == "git" then
} // (if info ? rev then {
rev = info.rev;
shortRev = builtins.substring 0 7 info.rev;
} else {
})
} else { })
else if info.type == "path" then
{ outPath = builtins.path {
path = if builtins.substring 0 1 info.path != "/"
{
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 =
{
outPath =
fetchTarball
({ inherit (info) url; }
// (if info ? narHash then { sha256 = info.narHash; } else { })
);
}
else if info.type == "gitlab" then
{ inherit (info) rev narHash lastModified;
{
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}"; }
@ -94,7 +103,9 @@ else if info.type == "gitlab" then
else
# FIXME: add Mercurial, tarball inputs.
throw "flake input has unsupported input type '${info.type}'";
in {
in
{
inherit fetchTree;
})
}
)