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Use constant mtime for packaged tarballs #898

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merged 1 commit into from
Nov 13, 2023
Merged

Use constant mtime for packaged tarballs #898

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18 changes: 14 additions & 4 deletions scarb/src/ops/package.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -385,6 +385,19 @@ fn tar(
.with_context(|| format!("failed to stat: {disk_path}"))?;

header.set_metadata_in_mode(&metadata, tar::HeaderMode::Deterministic);

// Although the `set_metadata_in_mode` call above should set `mtime` to a
// deterministic value, it fails to do so due to
// https://github.com/alexcrichton/tar-rs/issues/341.
// Also, the constant value used there is funky and I do not feel convinced about
// its stability. Therefore, we use our own `mtime` value explicitly here.
//
// From `set_metadata_in_mode` implementation in `tar` crate:
// > We could in theory set the mtime to zero here, but not all
// > tools seem to behave well when ingesting files with a 0
// > timestamp.
header.set_mtime(1);

header.set_cksum();

ar.append_data(&mut header, &archive_path, &mut file)
Expand All @@ -400,10 +413,7 @@ fn tar(
header.set_mode(0o644);
header.set_size(contents.len() as u64);

// From `set_metadata_in_mode` implementation in `tar` crate:
// We could in theory set the mtime to zero here, but not all
// tools seem to behave well when ingesting files with a 0
// timestamp.
// Same as above.
header.set_mtime(1);

header.set_cksum();
Expand Down
14 changes: 5 additions & 9 deletions scarb/tests/local_registry.rs
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Expand Up @@ -127,9 +127,7 @@ fn url_pointing_to_file() {
drop(registry_t);
}

// FIXME(#883): Unignore these tests.
#[test]
#[cfg_attr(target_os = "windows", ignore = "ignored on windows as of #883")]
fn publish() {
let t = TempDir::new().unwrap();
let index = t.child("index");
Expand Down Expand Up @@ -185,7 +183,7 @@ fn publish() {
{
"v": "1.0.0",
"deps": [],
"cksum": "sha256:d891504afc86fc0a7a9f38533a66ef2763990a1ff4be3eb9d5836d32a9bd9ad3",
"cksum": "sha256:3771f51595f7df697a822823989714b3c9a83764a67fa517ac6d8df3cfc642bf",
}
])
);
Expand All @@ -198,20 +196,18 @@ fn publish() {
{
"v": "1.0.0",
"deps": [],
"cksum": "sha256:d05d4c524aa0136e42df6138f8e97f8b2b7fc946911cef8ae40baf38acf87ef6",
"cksum": "sha256:07db55042bb0be41eb957d649960cd16764426ce9df1cd0729d408acdf3c63cb",
},
{
"v": "1.1.0",
"deps": [],
"cksum": "sha256:ec55410dac39c63ea1372f44f05b74bcf14ec6305749d80bd607be0603271ef1",
"cksum": "sha256:bd36828fa2134ec3ce9599511404f85958d8ed091fc3b03a3f3d8426d0a0f720",
}
])
);
}

// FIXME(#883): Unignore these tests.
#[test]
#[cfg_attr(target_os = "windows", ignore = "ignored on windows as of #883")]
fn publish_overwrites_existing() {
let index = TempDir::new().unwrap();

Expand All @@ -238,7 +234,7 @@ fn publish_overwrites_existing() {
{
"v": "1.0.0",
"deps": [],
"cksum": "sha256:49bb7566594c89da4603578aebe812d750d1fefa1fccc532461963d813093b11",
"cksum": "sha256:b34e1202407e1a9b743f261cdc27723d0344619a6dc3058bdacd9b17f6106027",
}
])
);
Expand Down Expand Up @@ -266,7 +262,7 @@ fn publish_overwrites_existing() {
{
"v": "1.0.0",
"deps": [],
"cksum": "sha256:f6555b5b27327d40196578005de811158a3ac7401c36c13ee02b27afe7aab00f",
"cksum": "sha256:4682a7645acf0b342556778a0544e2871ae910efc609d89ab3bedf9491219ab5",
}
])
);
Expand Down
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