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core/command: add --tail to log subcommand

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This commit is contained in:
outfoxxed 2024-09-10 01:02:43 -07:00
parent f810c63ffc
commit c78381f6d0
Signed by: outfoxxed
GPG key ID: 4C88A185FB89301E
3 changed files with 30 additions and 6 deletions
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10
src/core/main.cpp
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@ -2,6 +2,7 @@
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <limits>
#include <string>
#include <CLI/App.hpp>
@ -94,6 +95,7 @@ struct CommandState {
bool noColor = !qEnvironmentVariableIsEmpty("NO_COLOR");
bool sparse = false;
size_t verbosity = 0;
int tail = 0;
QStringOption rules;
QStringOption readoutRules;
QStringOption file;
@ -249,6 +251,10 @@ int runCommand(int argc, char** argv, QCoreApplication* coreApplication) {
auto* file = sub->add_option("--file", state.log.file, "Log file to read.");
sub->add_option("-t,--tail", state.log.tail)
->description("Maximum number of lines to print, starting from the bottom.")
->check(CLI::Range(1, std::numeric_limits<int>::max(), "INT > 0"));
sub->add_option("-r,--rules", state.log.readoutRules, "Log file to read.")
->description("Rules to apply to the log being read, in the format of QT_LOGGING_RULES.");
@ -466,7 +472,9 @@ int readLogFile(CommandState& cmd) {
return -1;
}
return qs::log::readEncodedLogs(&file, cmd.log.timestamp, *cmd.log.readoutRules) ? 0 : -1;
return qs::log::readEncodedLogs(&file, cmd.log.timestamp, cmd.log.tail, *cmd.log.readoutRules)
? 0
: -1;
}
int listInstances(CommandState& cmd) {