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Merge branch 'bc/gc-crontab-fix'
FreeBSD portability fix for "git maintenance" that spawns "crontab" to schedule tasks. * bc/gc-crontab-fix: gc: use temporary file for editing crontab
This commit is contained in:
commit
56785a3fad
39
builtin/gc.c
39
builtin/gc.c
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@ -2087,6 +2087,7 @@ static int crontab_update_schedule(int run_maintenance, int fd)
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struct child_process crontab_edit = CHILD_PROCESS_INIT;
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FILE *cron_list, *cron_in;
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struct strbuf line = STRBUF_INIT;
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struct tempfile *tmpedit = NULL;
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get_schedule_cmd(&cmd, NULL);
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strvec_split(&crontab_list.args, cmd);
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@ -2101,6 +2102,17 @@ static int crontab_update_schedule(int run_maintenance, int fd)
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/* Ignore exit code, as an empty crontab will return error. */
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finish_command(&crontab_list);
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tmpedit = mks_tempfile_t(".git_cron_edit_tmpXXXXXX");
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if (!tmpedit) {
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result = error(_("failed to create crontab temporary file"));
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goto out;
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}
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cron_in = fdopen_tempfile(tmpedit, "w");
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if (!cron_in) {
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result = error(_("failed to open temporary file"));
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goto out;
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}
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/*
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* Read from the .lock file, filtering out the old
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* schedule while appending the new schedule.
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@ -2108,19 +2120,6 @@ static int crontab_update_schedule(int run_maintenance, int fd)
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cron_list = fdopen(fd, "r");
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rewind(cron_list);
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strvec_split(&crontab_edit.args, cmd);
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crontab_edit.in = -1;
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crontab_edit.git_cmd = 0;
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if (start_command(&crontab_edit))
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return error(_("failed to run 'crontab'; your system might not support 'cron'"));
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cron_in = fdopen(crontab_edit.in, "w");
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if (!cron_in) {
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result = error(_("failed to open stdin of 'crontab'"));
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goto done_editing;
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}
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while (!strbuf_getline_lf(&line, cron_list)) {
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if (!in_old_region && !strcmp(line.buf, BEGIN_LINE))
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in_old_region = 1;
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@ -2154,14 +2153,22 @@ static int crontab_update_schedule(int run_maintenance, int fd)
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}
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fflush(cron_in);
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fclose(cron_in);
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close(crontab_edit.in);
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done_editing:
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strvec_split(&crontab_edit.args, cmd);
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strvec_push(&crontab_edit.args, get_tempfile_path(tmpedit));
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crontab_edit.git_cmd = 0;
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if (start_command(&crontab_edit)) {
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result = error(_("failed to run 'crontab'; your system might not support 'cron'"));
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goto out;
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}
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if (finish_command(&crontab_edit))
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result = error(_("'crontab' died"));
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else
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fclose(cron_list);
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out:
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delete_tempfile(&tmpedit);
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return result;
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}
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@ -17,8 +17,8 @@ int cmd__crontab(int argc, const char **argv)
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if (!from)
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return 0;
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to = stdout;
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} else if (argc == 2) {
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from = stdin;
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} else if (argc == 3) {
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from = fopen(argv[2], "r");
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to = fopen(argv[1], "w");
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} else
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return error("unknown arguments");
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