format the string with cargo fmt by setting "format_strings = true"

ledger/src/use_snapshot_archives_at_startup.rs

@@ -27,21 +27,20 @@ pub mod cli {
     pub const NAME: &str = "use_snapshot_archives_at_startup";
     pub const LONG_ARG: &str = "use-snapshot-archives-at-startup";
     pub const HELP: &str = "When should snapshot archives be used at startup?";
-    pub const LONG_HELP: &str = "At startup, when should snapshot archives be extracted \
-        versus using what is already on disk? \
-        \nSpecifying \"always\" will always startup by extracting snapshot archives \
-        and disregard any snapshot-related state already on disk. \
-        Note that starting up from snapshot archives will incur the runtime costs \
-        associated with extracting the archives and rebuilding the local state. \
-        \nSpecifying \"never\" will never startup from snapshot archives \
-        and will only use snapshot-related state already on disk. \
-        If there is no state already on disk, startup will fail. \
-        Note, this will use the latest state available, \
-        which may be newer than the latest snapshot archive. \
-        \nSpecifying \"when-newest\" will use snapshot-related state \
-        already on disk unless there are snapshot archives newer than it. \
-        This can happen if a new snapshot archive is downloaded \
-        while the node is stopped.";
+    pub const LONG_HELP: &str =
+        "At startup, when should snapshot archives be extracted versus using what is already on \
+         disk?
+        Specifying \"always\" will always startup by extracting snapshot archives and disregard \
+         any snapshot-related state already on disk. Note that starting up from snapshot archives \
+         will incur the runtime costs associated with extracting the archives and rebuilding the \
+         local state.
+        Specifying \"never\" will never startup from snapshot archives and will only use \
+         snapshot-related state already on disk. If there is no state already on disk, startup \
+         will fail. Note, this will use the latest state available, which may be newer than the \
+         latest snapshot archive.
+        Specifying \"when-newest\" will use snapshot-related state already on disk unless there \
+         are snapshot archives newer than it. This can happen if a new snapshot archive is \
+         downloaded while the node is stopped.";
 
     pub const POSSIBLE_VALUES: &[&str] = UseSnapshotArchivesAtStartup::VARIANTS;