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logger: Add a separator between different boot logs

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Since we concatenate boot logs one after the other in /var/log/boot.log
it is hard to tell where the logs from one boot end the next boot starts.

This commit makes plymouth write out a separator including a time + date
of the date, when the log file gets opened to add new boot messages to it.

Note ply_logger_open_file() is only called from ply_terminal_session_open_log()
which in turn is only used for /var/log/boot.log, so this only effects
/var/log/boot.log.

Closes #29

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2018-07-17 09:46:12 +02:00
parent 118c5ca1bc
commit 4de54f598b
1 changed files with 13 additions and 0 deletions
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13
src/libply/ply-logger.c
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@ -34,6 +34,7 @@
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include "ply-utils.h"
@ -312,6 +313,9 @@ bool
ply_logger_open_file (ply_logger_t *logger,
const char *filename)
{
char header[80];
struct tm* tm;
time_t t;
int fd;
assert (logger != NULL);
@ -328,6 +332,15 @@ ply_logger_open_file (ply_logger_t *logger,
logger->filename = strdup (filename);
time (&t);
tm = localtime (&t);
if (tm) {
/* This uses uname -v date format */
strftime (header, sizeof(header),
"------------ %a %b %d %T %Z %Y ------------\n", tm);
ply_logger_write (logger, header, strlen(header), true);
}
return true;
}