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bootctl: automatically write out $BOOT/entries/standard.srel

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This commit is contained in:
Lennart Poettering 2022-03-17 18:19:57 +01:00
parent a5b30e156a
commit 80889bd9cc
1 changed files with 43 additions and 1 deletions
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44
src/boot/bootctl.c
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@ -1317,6 +1317,35 @@ static int install_loader_config(const char *esp_path) {
return 1;
}
static int install_loader_specification(const char *root) {
_cleanup_(unlink_and_freep) char *t = NULL;
_cleanup_fclose_ FILE *f = NULL;
_cleanup_free_ char *p = NULL;
int r;
p = path_join(root, "/loader/entries.srel");
if (!p)
return log_oom();
if (access(p, F_OK) >= 0) /* Silently skip creation if the file already exists (early check) */
return 0;
r = fopen_tmpfile_linkable(p, O_WRONLY|O_CLOEXEC, &t, &f);
if (r < 0)
return log_error_errno(r, "Failed to open \"%s\" for writing: %m", p);
fprintf(f, "type1\n");
r = flink_tmpfile(f, t, p);
if (r == -EEXIST)
return 0; /* Silently skip creation if the file exists now (recheck) */
if (r < 0)
return log_error_errno(r, "Failed to move \"%s\" into place: %m", p);
t = mfree(t);
return 1;
}
static int install_entry_directory(const char *root) {
assert(root);
assert(arg_make_entry_directory >= 0);
@ -2029,6 +2058,10 @@ static int verb_install(int argc, char *argv[], void *userdata) {
if (r < 0)
return r;
}
r = install_loader_specification(arg_dollar_boot_path());
if (r < 0)
return r;
}
(void) sync_everything();
@ -2068,6 +2101,10 @@ static int verb_remove(int argc, char *argv[], void *userdata) {
if (q < 0 && r >= 0)
r = q;
q = remove_file(arg_esp_path, "/loader/entries.srel");
if (q < 0 && r >= 0)
r = q;
q = remove_subdirs(arg_esp_path, esp_subdirs);
if (q < 0 && r >= 0)
r = q;
@ -2081,7 +2118,12 @@ static int verb_remove(int argc, char *argv[], void *userdata) {
r = q;
if (arg_xbootldr_path) {
/* Remove the latter two also in the XBOOTLDR partition if it exists */
/* Remove a subset of these also from the XBOOTLDR partition if it exists */
q = remove_file(arg_xbootldr_path, "/loader/entries.srel");
if (q < 0 && r >= 0)
r = q;
q = remove_subdirs(arg_xbootldr_path, dollar_boot_subdirs);
if (q < 0 && r >= 0)
r = q;