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Add support for simple log outputs as alternative to email #147

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merged 6 commits into from
Apr 27, 2023
Merged

Add support for simple log outputs as alternative to email #147

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00195b8
Add support for INHERIT_OUTPUTS env variable
JohnnyJayJay Apr 26, 2023
9ed69f3
Make inherit_outputs field part of job_rec struct
JohnnyJayJay Apr 26, 2023
fe05d65
Add check if inherit outputs is empty
JohnnyJayJay Apr 26, 2023
5063a3e
Document changes
JohnnyJayJay Apr 26, 2023
13c46f5
INHERIT_OUTPUTS -> NO_MAIL_OUTPUT
JohnnyJayJay Apr 26, 2023
74e32d8
Apply changes suggested in review
JohnnyJayJay Apr 27, 2023
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2 changes: 1 addition & 1 deletion anacron/global.h
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ struct job_rec1 {
char *ident;
char *command;
char *mailto;
int inherit_outputs;
int no_mail_output;

int tab_line;
int arg_num;
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17 changes: 8 additions & 9 deletions anacron/runjob.c
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Expand Up @@ -166,8 +166,8 @@ static void
run_job(const job_rec *jr)
/* This is called to start the job, after the fork */
{
/* If outputs are not inherited from the parent, pipe outputs to temp file */
if (!jr->inherit_outputs) {
/* If mail functionality is not disabled, pipe outputs to temp file */
if (!jr->no_mail_output) {
/* setup stdout and stderr */
xclose(1);
xclose(2);
Expand Down Expand Up @@ -303,11 +303,10 @@ launch_job(job_rec *jr)

setup_env(jr);

/* Outputs are inherited if INHERIT_OUTPUTS is defined and non-empty */
jr->inherit_outputs = getenv("INHERIT_OUTPUTS") != NULL && *getenv("INHERIT_OUTPUTS");
jr->no_mail_output = getenv("NO_MAIL_OUTPUT") != NULL && *getenv("NO_MAIL_OUTPUT");
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/* Set up email functionality if outputs should *not* be inherited */
if (!jr->inherit_outputs) {
/* Set up email functionality if it isn't disabled */
if (!jr->no_mail_output) {
/* Get the destination email address if set, or current user otherwise */
mailto = getenv("MAILTO");
if (mailto == NULL) {
Expand Down Expand Up @@ -389,7 +388,7 @@ tend_job(job_rec *jr, int status)

update_timestamp(jr);
unlock(jr);
if (!jr->inherit_outputs && file_size(jr->output_fd) > jr->mail_header_size) mail_output = 1;
if (!jr->no_mail_output && file_size(jr->output_fd) > jr->mail_header_size) mail_output = 1;
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else mail_output = 0;

m = mail_output ? " (produced output)" : "";
Expand All @@ -407,8 +406,8 @@ tend_job(job_rec *jr, int status)
jr->job_pid = 0;
running_jobs--;
if (mail_output) launch_mailer(jr);
/* output_fd and input_fd are only set if outputs are not inherited */
if (!jr->inherit_outputs) {
/* output_fd and input_fd are only set if mail functionality is enabled */
if (!jr->no_mail_output) {
xclose(jr->output_fd);
xclose(jr->input_fd);
}
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2 changes: 1 addition & 1 deletion man/anacrontab.5
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Expand Up @@ -82,7 +82,7 @@ and
variables are expanded, so setting them as in the following example works as expected: [email protected] ($USER is replaced by the system user) )
.PP
If
.I INHERIT_OUTPUTS
.I NO_MAIL_OUTPUT
is defined (and non-empty), anacron's output includes the outputs of job processes and the mail functionality is disabled.
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.PP
.PP
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