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vere: create $pier/.bin/pace automatically

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This commit is contained in:
Joe Bryan 2022-05-27 16:34:02 -04:00
parent 0a3815ec5e
commit 082f07474d
1 changed files with 49 additions and 0 deletions
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49
pkg/urbit/vere/king.c
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@ -1031,6 +1031,52 @@ _king_make_pace(c3_c* pac_c)
return 0;
}
static c3_i
_king_write_raw(c3_i fid_i, c3_y* buf_y, size_t len_i);
/* _king_init_pace(): save pace file if not present
*/
static c3_i
_king_init_pace(c3_c* pac_c)
{
c3_c* bin_c;
c3_i fid_i, ret_i = asprintf(&bin_c, "%s/.bin/pace", u3_Host.dir_c);
c3_assert( ret_i > 0 );
if ( (-1 == (fid_i = open(bin_c, O_WRONLY | O_CREAT | O_EXCL, 0644))) ) {
if ( EEXIST == errno ) {
c3_free(bin_c);
// XX print something here?
//
return 0;
}
else {
u3l_log("dock: init pace (%s): open %s\n", pac_c, strerror(errno));
c3_free(bin_c);
return -1;
}
}
if ( _king_write_raw(fid_i, (c3_y*)pac_c, strlen(pac_c)) ) {
u3l_log("dock: init pace (%s): write %s\n", pac_c, strerror(errno));
close(fid_i);
c3_free(bin_c);
return -1;
}
// XX sync first?
//
else if ( close(fid_i) ) {
u3l_log("dock: init pace (%s): close %s\n", pac_c, strerror(errno));
c3_free(bin_c);
return 1;
}
u3l_log("dock: pace (%s): configured at %s/.bin/pace\r\n",
pac_c, u3_Host.dir_c);
return 0;
}
/* _king_link_run(): ln [bin_c] $pier/.run
*/
static c3_i
@ -1423,6 +1469,9 @@ u3_king_dock(c3_c* pac_c)
exit(1);
}
else {
// NB: failure ignored
//
_king_init_pace(pac_c);
u3l_log("vere: binary copy succeeded\r\n");
// XX print restart instructions
}