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Improve ledger-tool help (#9365)

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sakridge 2020-04-07 19:21:31 -07:00 committed by GitHub
parent 9883ca8549
commit 8ed05c27f2
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1 changed files with 11 additions and 3 deletions
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14
ledger-tool/src/main.rs
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@ -803,7 +803,7 @@ fn main() {
.arg(&hard_forks_arg) .arg(&hard_forks_arg)
).subcommand( ).subcommand(
SubCommand::with_name("prune") SubCommand::with_name("prune")
.about("Prune the ledger at the block height") .about("Prune the ledger from a yaml file containing a list of slots to prune.")
.arg( .arg(
Arg::with_name("slot_list") Arg::with_name("slot_list")
.long("slot-list") .long("slot-list")
@ -814,7 +814,7 @@ fn main() {
) )
).subcommand( ).subcommand(
SubCommand::with_name("purge") SubCommand::with_name("purge")
.about("Purge the ledger at the block height") .about("Delete a range of slots from the ledger.")
.arg( .arg(
Arg::with_name("start_slot") Arg::with_name("start_slot")
.index(1) .index(1)
@ -866,7 +866,15 @@ fn main() {
) )
.get_matches(); .get_matches();
let ledger_path = PathBuf::from(value_t_or_exit!(matches, "ledger_path", String)); let ledger_path = PathBuf::from(value_t!(matches, "ledger_path", String).unwrap_or_else(
|_err| {
eprintln!(
"Error: Missing --ledger <DIR> argument.\n\n{}",
matches.usage()
);
exit(1);
},
));
// Canonicalize ledger path to avoid issues with symlink creation // Canonicalize ledger path to avoid issues with symlink creation
let ledger_path = fs::canonicalize(&ledger_path).unwrap_or_else(|err| { let ledger_path = fs::canonicalize(&ledger_path).unwrap_or_else(|err| {