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implement filesystem_file_permissions argument option, add some tests, optimize init arguments

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postscriptum 2025-07-05 22:55:35 +03:00
parent 182d6892c3
commit fabc11f9cb
7 changed files with 152 additions and 142 deletions
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3
README.md
View file

@ -67,6 +67,9 @@ snac2nex -s /path/to/snac/storage -t /path/to/nex -u user1 -u user2
--filesystem-sync
Sync filesystem meta (e.g. time modified)
--filesystem-file-permissions <FILESYSTEM_FILE_PERMISSIONS>
Set new file permissions (macos, linux only)
-k, --keep
Keep Nex entry on Snac post was removed

36
src/config.rs
View file

@ -52,15 +52,10 @@ pub struct Config {
#[arg(long, default_value_t = false)]
pub filesystem_sync: bool,
/* @TODO
/// Set directory permissions (macos, linux only)
#[arg(long, value_parser = chmod, default_value_t = 0o755)]
pub chmod_dir: u32,
/// Set new file permissions (macos, linux only)
#[arg(long, value_parser = permissions)]
pub filesystem_file_permissions: Option<u32>,
/// Set file permissions (macos, linux only)
#[arg(long, value_parser = chmod, default_value_t = 0o644)]
pub chmod_file: u32,
*/
/// Keep Nex entry on Snac post was removed
#[arg(short, long, default_value_t = false)]
pub keep: bool,
@ -70,10 +65,23 @@ pub struct Config {
pub daemon: bool,
}
/* @TODO
fn chmod(chmod: &str) -> Result<u32, std::num::ParseIntError> {
if chmod.len() != 3 {
todo!("Expected 3 digits as the Unix value!")
fn permissions(value: &str) -> Result<u32, std::num::ParseIntError> {
if value.len() != 4 {
todo!(
"Expected four octal digits as the Unix value {}!",
value.len()
)
}
u32::from_str_radix(chmod, 8)
} */
u32::from_str_radix(value, 8)
}
#[test]
fn test() {
let a: Config = clap::Parser::parse_from([
"cmd",
"--source=p",
"--target=p",
"--filesystem-file-permissions=0644",
]);
assert!(a.filesystem_file_permissions.is_some_and(|p| p == 0o644))
}

17
src/main.rs
View file

@ -4,27 +4,18 @@ mod response;
mod snac;
use anyhow::Result;
use config::Config;
use nex::Nex;
use response::Response;
use snac::Snac;
fn main() -> Result<()> {
use clap::Parser;
use config::Config;
let c = Config::parse();
println!("Sync `{}` for users {:?}...", &c.source, &c.user);
let n = Nex::init(&c)?;
let s = Snac::init(&c)?;
let n = Nex::init(
c.target,
c.format_filename,
c.format_updated,
c.format_content,
c.attachment,
(!c.keep, !c.daemon, c.filesystem_sync),
&c.user,
)?;
let s = Snac::init(c.source, c.user)?;
println!("Sync `{}` for users {:?}...", &c.source, &c.user);
let mut r = sync(&s, &n, !c.daemon)?;
match c.rotate {

204
src/nex.rs
View file

@ -10,7 +10,7 @@ use response::{Clean, Sync, change::Change};
use source::Source;
use std::{
collections::{HashMap, HashSet},
fs,
fs::{self, Permissions},
path::{MAIN_SEPARATOR, PathBuf},
str::FromStr,
};
@ -18,6 +18,7 @@ use template::Template;
pub struct Nex {
attachment: Attachment,
file_permissions: Option<Permissions>,
filename: String,
is_cleanup: bool,
is_debug: bool,
@ -27,44 +28,50 @@ pub struct Nex {
}
impl Nex {
pub fn init(
target_dir: String,
filename: String,
time_format: String,
pattern: String,
attachment_mode: Option<String>,
(is_cleanup, is_debug, is_filesystem_sync): (bool, bool, bool),
user_names: &Vec<String>,
) -> Result<Self> {
pub fn init(config: &crate::Config) -> Result<Self> {
// validate filename
if filename
if config
.format_content
.trim_matches(MAIN_SEPARATOR)
.contains(MAIN_SEPARATOR)
{
bail!("File name should not contain subdir `{MAIN_SEPARATOR}` separator!")
}
// init data export location
let target = PathBuf::from_str(&target_dir)?.canonicalize()?;
let target = PathBuf::from_str(&config.target)?.canonicalize()?;
if !target.is_dir() {
bail!("Target location is not directory!")
}
// init locations for each user
let mut users = HashMap::with_capacity(user_names.len());
for u in user_names {
let mut users = HashMap::with_capacity(config.user.len());
for u in &config.user {
let mut p = PathBuf::from(&target);
p.push(u);
fs::create_dir_all(&p)?;
users.insert(u.clone(), p);
}
// init document template formatter
let template = Template::init(&filename, pattern, time_format);
let template = Template::init(config);
Ok(Self {
attachment: Attachment::init(attachment_mode)?,
filename,
is_cleanup,
is_debug,
is_filesystem_sync,
attachment: Attachment::init(config.attachment.as_ref())?,
file_permissions: {
#[cfg(any(target_os = "linux", target_os = "macos"))]
{
use std::{fs::Permissions, os::unix::fs::PermissionsExt};
Some(Permissions::from_mode(
config.filesystem_file_permissions.unwrap_or(0o644),
))
}
#[cfg(not(any(target_os = "linux", target_os = "macos",)))]
{
None // @TODO
}
},
filename: config.format_filename.clone(),
is_cleanup: !config.keep,
is_debug: !config.daemon,
is_filesystem_sync: config.filesystem_sync,
template,
users,
})
@ -136,11 +143,7 @@ impl Nex {
if !fs::read_to_string(&s).is_ok_and(|this| this == state) {
fs::remove_dir_all(&d)?;
fs::create_dir_all(&d)?;
if self.is_filesystem_sync {
sync(&s, timestamp.into(), state.as_bytes())?
} else {
fs::write(&s, state)?
}
self.persist(&s, &timestamp, state.as_bytes())?;
} else {
if let Some(ref mut i) = index {
if let Some(ref a) = attachments {
@ -160,70 +163,67 @@ impl Nex {
}
// save post file, set its change status
let change = if fs::exists(&f)? {
Change::Updated
} else {
Change::Created
};
let template = self.template.build(
updated,
content,
link,
tags,
attachments.map(|a| {
let mut b = Vec::with_capacity(a.len());
for (n, (name, media_type, source)) in a.into_iter().enumerate() {
b.push((
match source {
Source::Url(url) => url,
Source::File(from) => {
let to = attachment::filepath(&d, &from, n);
let uri = format!(
"{}/{}",
d.file_name().unwrap().to_string_lossy(),
to.file_name().unwrap().to_string_lossy()
);
self.attachment
.sync(
&from,
&to,
if self.is_filesystem_sync {
Some(timestamp.into())
} else {
None
},
)
.unwrap();
if let Some(ref mut i) = index {
i.push(to);
}
uri
}
},
{
let mut alt = Vec::with_capacity(2);
if !name.is_empty() {
alt.push(name)
}
if !media_type.is_empty() {
alt.push(format!("({media_type})"))
}
if alt.is_empty() {
None
} else {
Some(alt.join(" "))
}
},
))
}
b
}),
);
if self.is_filesystem_sync {
sync(&f, timestamp.into(), template.as_bytes())?
} else {
fs::write(&f, template)?
}
let change = self.persist(
&f,
&timestamp,
self.template
.build(
updated,
content,
link,
tags,
attachments.map(|a| {
let mut b = Vec::with_capacity(a.len());
for (n, (name, media_type, source)) in a.into_iter().enumerate() {
b.push((
match source {
Source::Url(url) => url,
Source::File(from) => {
let to = attachment::filepath(&d, &from, n);
let uri = format!(
"{}/{}",
d.file_name().unwrap().to_string_lossy(),
to.file_name().unwrap().to_string_lossy()
);
self.attachment
.sync(
&from,
&to,
if self.is_filesystem_sync {
Some(timestamp.into())
} else {
None
},
self.file_permissions.clone(),
)
.unwrap();
if let Some(ref mut i) = index {
i.push(to);
}
uri
}
},
{
let mut alt = Vec::with_capacity(2);
if !name.is_empty() {
alt.push(name)
}
if !media_type.is_empty() {
alt.push(format!("({media_type})"))
}
if alt.is_empty() {
None
} else {
Some(alt.join(" "))
}
},
))
}
b
}),
)
.as_bytes(),
)?;
// move all paths processed to cleanup ignore
if let Some(ref mut i) = index {
i.extend([d, f, p, s]);
@ -279,13 +279,23 @@ impl Nex {
pub fn is_cleanup(&self) -> bool {
self.is_cleanup
}
}
/// Wrapper function to change time updated for new file, according to the Snac time.
fn sync(path: &PathBuf, modified: std::time::SystemTime, data: &[u8]) -> Result<()> {
use std::io::Write;
let mut f = fs::File::create(path)?;
f.write_all(data)?;
f.set_modified(modified)?; // it's important to call after write
Ok(())
/// Wrapper function to change time updated for new file, according to the Snac time.
fn persist(&self, path: &PathBuf, modified: &DateTime<Utc>, data: &[u8]) -> Result<Change> {
use std::io::Write;
let status = if fs::exists(path)? {
Change::Updated
} else {
Change::Created
};
let mut f = fs::File::create(path)?;
f.write_all(data)?;
if self.is_filesystem_sync {
f.set_modified((*modified).into())?; // it's important to call after write
}
if let Some(ref p) = self.file_permissions {
f.set_permissions(p.clone())?
}
Ok(status)
}
}

16
src/nex/attachment.rs
View file

@ -1,5 +1,6 @@
use anyhow::{Result, bail};
use std::{
fs::Permissions,
path::{Path, PathBuf},
time::SystemTime,
};
@ -12,7 +13,7 @@ pub enum Attachment {
}
impl Attachment {
pub fn init(method: Option<String>) -> Result<Self> {
pub fn init(method: Option<&String>) -> Result<Self> {
Ok(match method {
Some(m) => match m.to_lowercase().as_str() {
"c" | "copy" => Self::Copy,
@ -28,19 +29,14 @@ impl Attachment {
source: &PathBuf,
target: &PathBuf,
modified: Option<SystemTime>,
file_permissions: Option<Permissions>,
) -> Result<()> {
use std::{fs, os};
match self {
Attachment::Copy => {
fs::copy(source, target)?;
#[cfg(any(target_os = "linux", target_os = "macos"))]
{
use std::{fs::Permissions, os::unix::fs::PermissionsExt};
fs::set_permissions(target, Permissions::from_mode(0o644))?; // @TODO optional
}
#[cfg(not(any(target_os = "windows", target_os = "linux", target_os = "macos",)))]
{
todo!("Platform yet not supported")
if let Some(p) = file_permissions {
fs::set_permissions(target, p)?
}
println!(
"\t\t\tcopied attachment file `{}`",
@ -49,6 +45,7 @@ impl Attachment {
}
Attachment::HardLink => {
fs::hard_link(source, target)?;
// @TODO set_permissions
println!(
"\t\t\tcreated hard link `{}` to attachment {}",
target.to_string_lossy(),
@ -68,6 +65,7 @@ impl Attachment {
{
todo!("Platform yet not supported")
}
// @TODO set_permissions
println!(
"\t\t\tcreated soft link `{}` to attachment {}",
target.to_string_lossy(),

8
src/nex/template.rs
View file

@ -10,11 +10,11 @@ pub struct Template {
}
impl Template {
pub fn init(filename: &str, pattern: String, time_format: String) -> Self {
pub fn init(config: &crate::Config) -> Self {
Self {
format: Format::init(filename),
pattern,
time_format,
format: Format::init(&config.format_filename),
pattern: config.format_content.clone(),
time_format: config.format_updated.clone(),
}
}
pub fn build(

10
src/snac.rs
View file

@ -9,15 +9,15 @@ pub struct Snac {
}
impl Snac {
pub fn init(storage_dir: String, user_names: Vec<String>) -> Result<Self> {
let storage = PathBuf::from_str(&storage_dir)?.canonicalize()?;
pub fn init(config: &crate::Config) -> Result<Self> {
let storage = PathBuf::from_str(&config.source)?.canonicalize()?;
if !storage.is_dir() {
bail!("Target location is not directory!");
}
let mut users = Vec::with_capacity(user_names.len());
for name in user_names {
users.push(User::init(&storage, name)?)
let mut users = Vec::with_capacity(config.user.len());
for name in &config.user {
users.push(User::init(&storage, name.clone())?)
}
Ok(Self { users })