Merge #13844: doc: correct the help output for -prune

312ff01ee533fab68348283200eb57e9956fdb34 -prune option -help output aligned with code (Hennadii Stepanov)

Pull request description:

  The -help output for -prune is aligned with the code.

  In the code (.../src/init.cpp#L1063):
  ```
          if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
              return InitError(strprintf(_("Prune configured below the minimum of %d MiB.  Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
          }
  ```
  So correct value of nPruneTarget is **greater than or equal to** MIN_DISK_SPACE_FOR_BLOCK_FILES.

Tree-SHA512: 8e55aa99c8f5a9d020677b0f1b016215e2dbda5fa4ee7c8504b12a3abef226bc21beca118fa332c0bf206a4aff913a5a717b55bb5b2ecdba38423e9c0161209e
This commit is contained in:
Wladimir J. van der Laan 2018-08-02 12:00:14 +02:00 committed by pasta
parent 86c064bed3
commit c381b85cdd
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@ -492,7 +492,7 @@ std::string HelpMessage(HelpMessageMode mode)
#endif
strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the pruneblockchain RPC to be called to delete specific blocks, and enables automatic pruning of old blocks if a target size in MiB is provided. This mode is incompatible with -txindex, -rescan and -disablegovernance=false. "
"Warning: Reverting this setting requires re-downloading the entire blockchain. "
"(default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, >%u = automatically prune block files to stay under the specified target size in MiB)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
"(default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, >=%u = automatically prune block files to stay under the specified target size in MiB)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
strUsage += HelpMessageOpt("-reindex-chainstate", _("Rebuild chain state from the currently indexed blocks"));
strUsage += HelpMessageOpt("-reindex", _("Rebuild chain state and block index from the blk*.dat files on disk"));
#ifndef WIN32