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homed: allow overriding homework path via env var

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Let's make debugging a bit easier: when invoking homed from the build
tree it's now possible to make sure homed invokes the build tree's
homework binary by setting an env var.
This commit is contained in:
Lennart Poettering 2020-05-05 18:27:37 +02:00
parent 6bae4b905c
commit c06bcd4d68
1 changed files with 7 additions and 1 deletions
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8
src/home/homed-home.c
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@ -1002,6 +1002,8 @@ static int home_start_work(Home *h, const char *verb, UserRecord *hr, UserRecord
if (r < 0)
return r;
if (r == 0) {
const char *homework;
/* Child */
if (setenv("NOTIFY_SOCKET", "/run/systemd/home/notify", 1) < 0) {
@ -1017,7 +1019,11 @@ static int home_start_work(Home *h, const char *verb, UserRecord *hr, UserRecord
stdin_fd = stdout_fd = -1; /* have been invalidated by rearrange_stdio() */
execl(SYSTEMD_HOMEWORK_PATH, SYSTEMD_HOMEWORK_PATH, verb, NULL);
/* Allow overriding the homework path via an environment variable, to make debugging
* easier. */
homework = getenv("SYSTEMD_HOMEWORK_PATH") ?: SYSTEMD_HOMEWORK_PATH;
execl(homework, homework, verb, NULL);
log_error_errno(errno, "Failed to invoke " SYSTEMD_HOMEWORK_PATH ": %m");
_exit(EXIT_FAILURE);
}