Message style improvements

src/bin/pg_amcheck/pg_amcheck.c

@@ -621,8 +621,8 @@ main(int argc, char *argv[])
 			 */
 			if ((vmaj == 1 && vmin < 4) || vmaj == 0)
 			{
-				pg_log_warning("--checkunique option is not supported by amcheck "
-							   "version \"%s\"", amcheck_version);
+				pg_log_warning("option %s is not supported by amcheck version %s",
+							   "--checkunique", amcheck_version);
 				dat->is_checkunique = false;
 			}
 			else

src/bin/pg_amcheck/t/003_check.pl

@@ -564,7 +564,7 @@ $node->command_checks_all(
 	0,
 	[$no_output_re],
 	[
-		qr/pg_amcheck: warning: --checkunique option is not supported by amcheck version "1.3"/
+		qr/pg_amcheck: warning: option --checkunique is not supported by amcheck version 1.3/
 	],
 	'pg_amcheck smoke test --checkunique');
 done_testing();

src/bin/pg_combinebackup/pg_combinebackup.c

@@ -337,7 +337,7 @@ main(int argc, char *argv[])
 		 * won't have the WAL ranges for the resulting manifest.
 		 */
 		if (manifests[n_prior_backups] == NULL)
-			pg_fatal("can't generate a manifest because no manifest is available for the final input backup");
+			pg_fatal("cannot generate a manifest because no manifest is available for the final input backup");
 	}
 	else
 		mwriter = NULL;
@@ -655,7 +655,7 @@ check_control_files(int n_backups, char **backup_dirs)
 	if (data_checksum_mismatch)
 	{
 		pg_log_warning("only some backups have checksums enabled");
-		pg_log_warning_hint("disable, and optionally reenable, checksums on the output directory to avoid failures");
+		pg_log_warning_hint("Disable, and optionally reenable, checksums on the output directory to avoid failures.");
 	}
 
 	return system_identifier;
@@ -766,9 +766,9 @@ help(const char *progname)
 	printf(_("  -o, --output=DIRECTORY    output directory\n"));
 	printf(_("  -T, --tablespace-mapping=OLDDIR=NEWDIR\n"
 			 "                            relocate tablespace in OLDDIR to NEWDIR\n"));
-	printf(_("      --clone               clone (reflink) instead of copying files\n"));
+	printf(_("      --clone               clone (reflink) files instead of copying\n"));
 	printf(_("      --copy                copy files (default)\n"));
-	printf(_("      --copy-file-range     copy using copy_file_range() syscall\n"));
+	printf(_("      --copy-file-range     copy using copy_file_range() system call\n"));
 	printf(_("      --manifest-checksums=SHA{224,256,384,512}|CRC32C|NONE\n"
 			 "                            use algorithm for manifest checksums\n"));
 	printf(_("      --no-manifest         suppress generation of backup manifest\n"));
@@ -1070,7 +1070,7 @@ process_directory_recursively(Oid tsoid,
 					 */
 					bmpath = psprintf("%s/%s", input_directory,
 									  "backup_manifest");
-					pg_log_warning("\"%s\" contains no entry for \"%s\"",
+					pg_log_warning("manifest file \"%s\" contains no entry for file \"%s\"",
 								   bmpath, manifest_path);
 					pfree(bmpath);
 				}

src/bin/pg_combinebackup/reconstruct.c

@@ -449,7 +449,7 @@ make_incremental_rfile(char *filename)
 	/* Read and validate magic number. */
 	read_bytes(rf, &magic, sizeof(magic));
 	if (magic != INCREMENTAL_MAGIC)
-		pg_fatal("file \"%s\" has bad incremental magic number (0x%x not 0x%x)",
+		pg_fatal("file \"%s\" has bad incremental magic number (0x%x, expected 0x%x)",
 				 filename, magic, INCREMENTAL_MAGIC);
 
 	/* Read block count. */

src/bin/pg_dump/pg_dumpall.c

@@ -658,7 +658,7 @@ help(void)
 	printf(_("  --disable-triggers           disable triggers during data-only restore\n"));
 	printf(_("  --exclude-database=PATTERN   exclude databases whose name matches PATTERN\n"));
 	printf(_("  --extra-float-digits=NUM     override default setting for extra_float_digits\n"));
-	printf(_("  --filter=FILENAME            exclude databases specified in FILENAME\n"));
+	printf(_("  --filter=FILENAME            exclude databases based on expressions in FILENAME\n"));
 	printf(_("  --if-exists                  use IF EXISTS when dropping objects\n"));
 	printf(_("  --inserts                    dump data as INSERT commands, rather than COPY\n"));
 	printf(_("  --load-via-partition-root    load partitions via the root table\n"));

src/bin/pg_rewind/pg_rewind.c

@@ -1104,7 +1104,7 @@ getRestoreCommand(const char *argv0)
 
 	restore_command = pipe_read_line(postgres_cmd->data);
 	if (restore_command == NULL)
-		pg_fatal("unable to read restore_command from target cluster");
+		pg_fatal("could not read restore_command from target cluster");
 
 	(void) pg_strip_crlf(restore_command);