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Cron scheduling: add /usr/local/bin or /opt/local/bin to the PATH when built for macports or homebrew

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This commit is contained in:
Jean-Francois Dockes
2021-01-14 10:55:29 +01:00
parent 00605f4a3c
commit e5b74ef4d5
4 changed files with 198 additions and 174 deletions
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src/utils/ecrontab.cpp
+47 -169
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@@ -1,4 +1,4 @@
/* Copyright (C) 2004 J.F.Dockes
/* Copyright (C) 2004-2021 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@@ -14,7 +14,6 @@
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef TEST_ECRONTAB
#include "autoconfig.h"
#include <stdio.h>
@@ -37,8 +36,8 @@ static bool eCrontabGetLines(vector<string>& lines)
// status than for an empty one
args.push_back("-l");
if ((status = croncmd.doexec("crontab", args, 0, &crontab))) {
lines.clear();
return false;
lines.clear();
return false;
}
// Split crontab into lines
@@ -54,54 +53,51 @@ static bool eCrontabWriteFile(const vector<string>& lines, string& reason)
vector<string> args;
int status;
for (vector<string>::const_iterator it = lines.begin();
it != lines.end(); it++) {
crontab += *it + "\n";
for (const auto& line : lines) {
crontab += line + "\n";
}
args.push_back("-");
if ((status = croncmd.doexec("crontab", args, &crontab, 0))) {
char nbuf[30];
sprintf(nbuf, "0x%x", status);
reason = string("Exec crontab -l failed: status: ") + nbuf;
return false;
char nbuf[30];
sprintf(nbuf, "0x%x", status);
reason = string("Exec crontab -l failed: status: ") + nbuf;
return false;
}
return true;
}
// Add / change / delete entry identified by marker and id
bool editCrontab(const string& marker, const string& id,
const string& sched, const string& cmd, string& reason)
const string& sched, const string& cmd, string& reason)
{
vector<string> lines;
if (!eCrontabGetLines(lines)) {
// Special case: cmd is empty, no crontab, don't create one
if (cmd.empty())
return true;
// Special case: cmd is empty, no crontab, don't create one
if (cmd.empty())
return true;
}
// Remove old copy if any
for (vector<string>::iterator it = lines.begin();
it != lines.end(); it++) {
// Skip comment
if (it->find_first_of("#") == it->find_first_not_of(" \t"))
continue;
for (auto it = lines.begin(); it != lines.end(); it++) {
// Skip comment
if (it->find_first_of("#") == it->find_first_not_of(" \t"))
continue;
if (it->find(marker) != string::npos &&
it->find(id) != string::npos) {
lines.erase(it);
break;
}
if (it->find(marker) != string::npos && it->find(id) != string::npos) {
lines.erase(it);
break;
}
}
if (!cmd.empty()) {
string nline = sched + " " + marker + " " + id + " " + cmd;
lines.push_back(nline);
string nline = sched + " " + marker + " " + id + " " + cmd;
lines.push_back(nline);
}
if (!eCrontabWriteFile(lines, reason))
return false;
return false;
return true;
}
@@ -110,163 +106,45 @@ bool checkCrontabUnmanaged(const string& marker, const string& data)
{
vector<string> lines;
if (!eCrontabGetLines(lines)) {
// No crontab, answer is no
return false;
// No crontab, answer is no
return false;
}
// Scan crontab
for (vector<string>::iterator it = lines.begin();
it != lines.end(); it++) {
if (it->find(marker) == string::npos &&
it->find(data) != string::npos) {
return true;
}
for (const auto& line : lines) {
if (line.find(marker) == string::npos &&
line.find(data) != string::npos) {
return true;
}
}
return false;
}
/** Retrieve the scheduling for a crontab entry */
bool getCrontabSched(const string& marker, const string& id,
vector<string>& sched)
vector<string>& sched)
{
LOGDEB0("getCrontabSched: marker[" << (marker) << "], id[" << (id) << "]\n" );
LOGDEB0("getCrontabSched: marker[" << marker << "], id[" << id << "]\n");
vector<string> lines;
if (!eCrontabGetLines(lines)) {
// No crontab, answer is no
sched.clear();
return false;
// No crontab, answer is no
sched.clear();
return false;
}
string line;
string theline;
for (vector<string>::iterator it = lines.begin();
it != lines.end(); it++) {
// Skip comment
if (it->find_first_of("#") == it->find_first_not_of(" \t"))
continue;
for (const auto& line : lines) {
// Skip comment
if (line.find_first_of("#") == line.find_first_not_of(" \t"))
continue;
if (it->find(marker) != string::npos &&
it->find(id) != string::npos) {
line = *it;
break;
}
if (line.find(marker) != string::npos &&
line.find(id) != string::npos) {
theline = line;
break;
}
}
stringToTokens(line, sched);
stringToTokens(theline, sched);
sched.resize(5);
return true;
}
#else // TEST ->
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <string>
#include <iostream>
using namespace std;
#include "ecrontab.h"
static char *thisprog;
static char usage [] =
" -a add or replace crontab line \n"
" -d delete crontab line \n"
" -s get scheduling \n"
" -c <string> check for unmanaged lines for string\n"
;
static void
Usage(void)
{
fprintf(stderr, "%s: usage:\n%s", thisprog, usage);
exit(1);
}
static int op_flags;
#define OPT_MOINS 0x1
#define OPT_a 0x2
#define OPT_d 0x4
#define OPT_w 0x8
#define OPT_c 0x10
#define OPT_s 0x20
const string& marker("RCLCRON_RCLINDEX=");
// Note of course the -w does not make sense for a cron entry
const string& cmd0("recollindex -w ");
const string& id("RECOLL_CONFDIR=\"/home/dockes/.recoll/\"");
const string& sched("30 8 * 1 *");
int main(int argc, char **argv)
{
thisprog = argv[0];
argc--; argv++;
string wt = "10";
string cmd;
while (argc > 0 && **argv == '-') {
(*argv)++;
if (!(**argv))
/* Cas du "adb - core" */
Usage();
while (**argv)
switch (*(*argv)++) {
case 'a': op_flags |= OPT_a; break;
case 'c': op_flags |= OPT_c; if (argc < 2) Usage();
cmd = *(++argv); argc--;
goto b1;
case 'd': op_flags |= OPT_d; break;
case 's': op_flags |= OPT_s; break;
case 'w': op_flags |= OPT_w; if (argc < 2) Usage();
wt = *(++argv); argc--;
goto b1;
default: Usage(); break;
}
b1: argc--; argv++;
}
if (argc != 0)
Usage();
string reason;
bool status = false;
if (op_flags & OPT_a) {
cmd = cmd0 + wt;
status = editCrontab(marker, id, sched, cmd, reason);
} else if (op_flags & OPT_d) {
status = editCrontab(marker, id, sched, "", reason);
} else if (op_flags & OPT_s) {
vector<string> sched;
if (!(status = getCrontabSched(marker, id, sched))) {
cerr << "getCrontabSched failed: " << reason << endl;
exit(1);
}
cout << "sched vec size " << sched.size() << endl;
cout << "mins " << sched[0] << " hours " << sched[1] <<
" days of month " << sched[2] << " months " << sched[3] <<
" days of week " << sched[4] << endl;
exit(0);
} else if (op_flags & OPT_c) {
if ((status = checkCrontabUnmanaged(marker, cmd))) {
cerr << "crontab has unmanaged lines for " << cmd << endl;
exit(1);
}
exit(0);
} else {
Usage();
}
if (!status) {
cerr << "editCrontab failed: " << reason << endl;
exit(1);
}
exit(0);
}
#endif // TEST