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52 lines
1.5 KiB
52 lines
1.5 KiB
use std::error::Error;
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use std::fmt;
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use std::path::Path;
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use command_runner::CommandRunner;
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use symbols::{Action, OwnedSymbolAction, Symbol, SymbolAction, SymbolRunner};
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pub struct NpmInstall<'a, C: 'a + CommandRunner> {
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target: &'a str,
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command_runner: &'a C
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}
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impl<'a, C: CommandRunner> NpmInstall<'a, C> {
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pub fn new(target: &'a str, command_runner: &'a C) -> Self {
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NpmInstall {
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target: target,
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command_runner: command_runner
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}
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}
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}
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impl<'a, C: CommandRunner> fmt::Display for NpmInstall<'a, C> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "npm install in {}", self.target)
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}
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}
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impl<'a, C: CommandRunner> Symbol for NpmInstall<'a, C> {
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fn target_reached(&self) -> Result<bool, Box<Error>> {
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if !Path::new(self.target).exists() {
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return Ok(false);
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}
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let result = try!(self.command_runner.run_with_args("sh", &["-c", &format!("cd '{}' && npm ls", self.target)]));
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Ok(result.status.success() && !String::from_utf8(result.stdout).unwrap().contains("(empty)"))
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}
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fn execute(&self) -> Result<(), Box<Error>> {
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self.command_runner.run_successfully("sh", &["-c", &format!("cd '{}' && npm install --production --unsafe-perm", self.target)])
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}
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fn as_action<'b>(&'b self, runner: &'b SymbolRunner) -> Box<Action + 'b> {
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Box::new(SymbolAction::new(runner, self))
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}
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fn into_action<'b>(self: Box<Self>, runner: &'b SymbolRunner) -> Box<Action + 'b> where Self: 'b {
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Box::new(OwnedSymbolAction::new(runner, *self))
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}
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}
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#[cfg(test)]
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mod test {
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}
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