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Merge pull request #2287 from jlebon/pr/deployment-parsing-comments 

lib/sysroot: Add comments and debug statements around sysroot parsing
This commit is contained in:
OpenShift Merge Robot 2021-03-03 14:36:52 -05:00 committed by GitHub
parent c97aafcda3 02b6197924
commit ba407750b1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 1 deletions
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12
src/libostree/ostree-sysroot.c
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@ -489,6 +489,7 @@ _ostree_sysroot_parse_deploy_path_name (const char *name,
return TRUE;
}
/* For a given bootversion, get its subbootversion from `/ostree/boot.$bootversion`. */
gboolean
_ostree_sysroot_read_current_subbootversion (OstreeSysroot *self,
int bootversion,
@ -505,6 +506,7 @@ _ostree_sysroot_read_current_subbootversion (OstreeSysroot *self,
return FALSE;
if (errno == ENOENT)
{
g_debug ("Didn't find $sysroot/ostree/boot.%d symlink; assuming subbootversion 0", bootversion);
*out_subbootversion = 0;
}
else
@ -556,6 +558,7 @@ compare_loader_configs_for_sorting (gconstpointer a_pp,
return compare_boot_loader_configs (a, b);
}
/* Read all the bootconfigs from `/boot/loader/`. */
gboolean
_ostree_sysroot_read_boot_loader_configs (OstreeSysroot *self,
int bootversion,
@ -614,6 +617,7 @@ _ostree_sysroot_read_boot_loader_configs (OstreeSysroot *self,
return TRUE;
}
/* Get the bootversion from the `/boot/loader` symlink. */
static gboolean
read_current_bootversion (OstreeSysroot *self,
int *out_bootversion,
@ -627,6 +631,7 @@ read_current_bootversion (OstreeSysroot *self,
return FALSE;
if (errno == ENOENT)
{
g_debug ("Didn't find $sysroot/boot/loader symlink; assuming bootversion 0");
ret_bootversion = 0;
}
else
@ -738,7 +743,7 @@ parse_deployment (OstreeSysroot *self,
return FALSE;
g_autofree char *errprefix =
g_strdup_printf ("Parsing deployment %i in stateroot '%s'", treebootserial, osname);
g_strdup_printf ("Parsing deployment %s in stateroot '%s'", boot_link, osname);
GLNX_AUTO_PREFIX_ERROR(errprefix, error);
const char *relative_boot_link = boot_link;
@ -839,6 +844,8 @@ get_ostree_kernel_arg_from_config (OstreeBootconfigParser *config)
return NULL;
}
/* From a BLS config, use its ostree= karg to find the deployment it points to and add it to
* the inout_deployments array. */
static gboolean
list_deployments_process_one_boot_entry (OstreeSysroot *self,
OstreeBootconfigParser *config,
@ -1056,6 +1063,9 @@ _ostree_sysroot_reload_staged (OstreeSysroot *self,
return TRUE;
}
/* Loads the current bootversion, subbootversion, and deplyments, starting from the
* bootloader configs which are the source of truth.
*/
static gboolean
sysroot_load_from_bootloader_configs (OstreeSysroot *self,
GCancellable *cancellable,