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bin/show: Add options to list metadata keys

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While `--print-metadata-key` is very useful, it's not that helpful if
you don't know what the keys are.
This commit is contained in:
Dan Nicholson 2023-01-29 14:13:05 -07:00
parent 008c5a9540
commit 86701f0f84
4 changed files with 96 additions and 6 deletions
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2
bash/ostree
View File

@ -1486,6 +1486,8 @@ _ostree_rev_parse() {
_ostree_show() {
local boolean_options="
$main_boolean_options
--list-detached-metadata-keys
--list-metadata-keys
--print-related
--print-sizes
--raw

16
man/ostree-show.xml
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@ -81,6 +81,14 @@ License along with this library. If not, see <https://www.gnu.org/licenses/>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--list-metadata-keys</option></term>
<listitem><para>
List the available metadata keys.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--print-metadata-key</option>="KEY"</term>
@ -89,6 +97,14 @@ License along with this library. If not, see <https://www.gnu.org/licenses/>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--list-detached-metadata-keys</option></term>
<listitem><para>
List the available detached metadata keys.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--print-detached-metadata-key</option>="KEY"</term>

77
src/ostree/ot-builtin-show.c
View File

@ -31,6 +31,8 @@ static gboolean opt_print_related;
static char* opt_print_variant_type;
static char* opt_print_metadata_key;
static char* opt_print_detached_metadata_key;
static gboolean opt_list_metadata_keys;
static gboolean opt_list_detached_metadata_keys;
static gboolean opt_print_sizes;
static gboolean opt_raw;
static gboolean opt_no_byteswap;
@ -45,7 +47,9 @@ static char *opt_gpg_verify_remote;
static GOptionEntry options[] = {
{ "print-related", 0, 0, G_OPTION_ARG_NONE, &opt_print_related, "Show the \"related\" commits", NULL },
{ "print-variant-type", 0, 0, G_OPTION_ARG_STRING, &opt_print_variant_type, "Memory map OBJECT (in this case a filename) to the GVariant type string", "TYPE" },
{ "list-metadata-keys", 0, 0, G_OPTION_ARG_NONE, &opt_list_metadata_keys, "List the available metadata keys", NULL },
{ "print-metadata-key", 0, 0, G_OPTION_ARG_STRING, &opt_print_metadata_key, "Print string value of metadata key", "KEY" },
{ "list-detached-metadata-keys", 0, 0, G_OPTION_ARG_NONE, &opt_list_detached_metadata_keys, "List the available detached metadata keys", NULL },
{ "print-detached-metadata-key", 0, 0, G_OPTION_ARG_STRING, &opt_print_detached_metadata_key, "Print string value of detached metadata key", "KEY" },
{ "print-sizes", 0, 0, G_OPTION_ARG_NONE, &opt_print_sizes, "Show the commit size metadata", NULL },
{ "raw", 0, 0, G_OPTION_ARG_NONE, &opt_raw, "Show raw variant data" },
@ -98,12 +102,14 @@ do_print_related (OstreeRepo *repo,
}
static gboolean
do_print_metadata_key (OstreeRepo *repo,
const char *resolved_rev,
gboolean detached,
const char *key,
GError **error)
get_metadata (OstreeRepo *repo,
const char *resolved_rev,
gboolean detached,
GVariant **out_metadata,
GError **error)
{
g_assert (out_metadata != NULL);
g_autoptr(GVariant) commit = NULL;
g_autoptr(GVariant) metadata = NULL;
@ -128,6 +134,59 @@ do_print_metadata_key (OstreeRepo *repo,
}
}
*out_metadata = g_steal_pointer (&metadata);
return TRUE;
}
static gint
strptr_cmp (gconstpointer a,
gconstpointer b)
{
const char *a_str = *((const char **) a);
const char *b_str = *((const char **) b);
return g_strcmp0 (a_str, b_str);
}
static gboolean
do_list_metadata_keys (OstreeRepo *repo,
const char *resolved_rev,
gboolean detached,
GError **error)
{
g_autoptr(GVariant) metadata = NULL;
if (!get_metadata (repo, resolved_rev, detached, &metadata, error))
return FALSE;
GVariantIter iter;
const char *key = NULL;
g_autoptr(GPtrArray) keys = g_ptr_array_new ();
g_variant_iter_init (&iter, metadata);
while (g_variant_iter_loop (&iter, "{&s@v}", &key, NULL))
g_ptr_array_add (keys, (gpointer) key);
g_ptr_array_sort (keys, strptr_cmp);
for (guint i = 0; i < keys-> len; i++)
{
key = keys->pdata[i];
g_print ("%s\n", key);
}
return TRUE;
}
static gboolean
do_print_metadata_key (OstreeRepo *repo,
const char *resolved_rev,
gboolean detached,
const char *key,
GError **error)
{
g_autoptr(GVariant) metadata = NULL;
if (!get_metadata (repo, resolved_rev, detached, &metadata, error))
return FALSE;
g_autoptr(GVariant) value = g_variant_lookup_value (metadata, key, NULL);
if (!value)
{
@ -321,10 +380,16 @@ ostree_builtin_show (int argc, char **argv, OstreeCommandInvocation *invocation,
const char *key = detached ? opt_print_detached_metadata_key : opt_print_metadata_key;
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))
return FALSE;
if (!do_print_metadata_key (repo, resolved_rev, detached, key, error))
return FALSE;
}
else if (opt_list_metadata_keys || opt_list_detached_metadata_keys)
{
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))
return FALSE;
if (!do_list_metadata_keys (repo, resolved_rev, opt_list_detached_metadata_keys, error))
return FALSE;
}
else if (opt_print_related)
{
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))

7
tests/basic-test.sh
View File

@ -1006,6 +1006,13 @@ $OSTREE show -B --print-metadata-key=SOMENUM test2 > test2-meta
assert_file_has_content test2-meta "uint64 42"
$OSTREE show --print-detached-metadata-key=SIGNATURE test2 > test2-meta
assert_file_has_content test2-meta "HANCOCK"
$OSTREE show --list-metadata-keys test2 > test2-meta
assert_file_has_content test2-meta "FOO"
assert_file_has_content test2-meta "KITTENS"
assert_file_has_content test2-meta "SOMENUM"
$OSTREE show --list-detached-metadata-keys test2 > test2-meta
assert_file_has_content test2-meta "SIGNATURE"
echo "ok metadata commit with strings"
$OSTREE commit ${COMMIT_ARGS} -b test2 --tree=ref=test2 \