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Add comment migrations to asset_migrate

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This commit is contained in:
juliancoffee 2022-02-19 19:47:33 +02:00
parent b81904efd1
commit 48c7e29db2
1 changed files with 26 additions and 4 deletions
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30
common/src/bin/asset_migrate.rs
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@ -93,7 +93,7 @@ mod v2 {
ItemSpec::Choice(choices) => {
let smallest = choices
.iter()
.map(|(w, i)| *w)
.map(|(w, _)| *w)
.min_by(|x, y| x.partial_cmp(y).expect("floats are evil"))
.expect("choice shouldn't empty");
// Very imprecise algo, but it works
@ -192,6 +192,8 @@ where
OldV: DeserializeOwned,
NewV: Serialize,
{
use std::io::BufReader;
use std::io::BufRead;
match tree {
Walk::Dir { path, content } => {
let target_dir = to.join(path);
@ -201,12 +203,32 @@ where
}
},
Walk::File(path) => {
// Grab all comments from old file
let source = fs::File::open(from.join(&path))?;
let mut comments = Vec::new();
for line in BufReader::new(source).lines() {
if let Ok(line) = line {
if let Some(idx) = line.find("//") {
let comment = &line[idx..line.len()];
comments.push(comment.to_owned());
}
}
}
// Parse the file
let source = fs::File::open(from.join(&path))?;
let old: OldV = ron::de::from_reader(source).unwrap();
// Convert it to new format
let new: NewV = old.into();
let target = fs::File::create(to.join(&path))?;
let pretty_config = ron::ser::PrettyConfig::new();
ron::ser::to_writer_pretty(target, &new, pretty_config).unwrap();
// Write it all back
let pretty_config = ron::ser::PrettyConfig::new()
.extensions(ron::extensions::Extensions::IMPLICIT_SOME);
let config_string = ron::ser::to_string_pretty(&new, pretty_config)
.expect("serialize shouldn't fail");
let comments_string = comments.join("\n");
let mut target = fs::File::create(to.join(&path))?;
write!(&mut target, "{comments_string}\n{config_string}")
.expect("fail to write to the file");
println!("{path:?} done");
},
}