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add option to disable checksum verification #153

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add option to disable checksum verification #153

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13 changes: 8 additions & 5 deletions rdfind.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ usage()
<< " -followsymlinks true |(false) follow symlinks\n"
<< " -removeidentinode (true)| false ignore files with nonunique "
"device and inode\n"
<< " -checksum md5 |(sha1)| sha256 | sha512\n"
<< " -checksum none | md5 |(sha1)| sha256 | sha512 \n"
<< " checksum type\n"
<< " -deterministic (true)| false makes results independent of order\n"
<< " from listing the filesystem\n"
Expand Down Expand Up @@ -107,6 +107,7 @@ struct Options
bool usesha1 = false; // use sha1 checksum to check for similarity
bool usesha256 = false; // use sha256 checksum to check for similarity
bool usesha512 = false; // use sha512 checksum to check for similarity
bool usenone = false; // skip the checksum step entirely and only rely on name and file size
bool deterministic = true; // be independent of filesystem order
long nsecsleep = 0; // number of nanoseconds to sleep between each file read.
std::string resultsfile = "results.txt"; // results file name.
Expand Down Expand Up @@ -169,7 +170,9 @@ parseOptions(Parser& parser)
} else if (parser.try_parse_bool("-deterministic")) {
o.deterministic = parser.get_parsed_bool();
} else if (parser.try_parse_string("-checksum")) {
if (parser.parsed_string_is("md5")) {
if (parser.parsed_string_is("none")) {
o.usenone = true;
} else if (parser.parsed_string_is("md5")) {
o.usemd5 = true;
} else if (parser.parsed_string_is("sha1")) {
o.usesha1 = true;
Expand All @@ -178,7 +181,7 @@ parseOptions(Parser& parser)
} else if (parser.parsed_string_is("sha512")) {
o.usesha512 = true;
} else {
std::cerr << "expected md5/sha1/sha256/sha512, not \""
std::cerr << "expected none/md5/sha1/sha256/sha512, not \""
<< parser.get_parsed_string() << "\"\n";
std::exit(EXIT_FAILURE);
}
Expand Down Expand Up @@ -239,8 +242,8 @@ parseOptions(Parser& parser)

// done with parsing of options. remaining arguments are files and dirs.

// decide what checksum to use - if no checksum is set, force sha1!
if (!o.usemd5 && !o.usesha1 && !o.usesha256 && !o.usesha512) {
// decide what checksum to use - if no checksum is option is specified, default to sha1!
if (!o.usenone && !o.usemd5 && !o.usesha1 && !o.usesha256 && !o.usesha512) {
o.usesha1 = true;
}
return o;
Expand Down