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flatpak/app/flatpak-builtins-build-commit-from.c
Simon McVittie 06970e015f utils: Move more repository functionality into repo-utils 
Signed-off-by: Simon McVittie <smcv@collabora.com>
2024-07-09 17:12:55 -03:00

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/* vi:set et sw=2 sts=2 cin cino=t0,f0,(0,{s,>2s,n-s,^-s,e-s:
* Copyright © 2015 Red Hat, Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include <locale.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <glib/gi18n.h>
#include "libglnx.h"
#include "flatpak-builtins.h"
#include "flatpak-repo-utils-private.h"
#include "flatpak-utils-private.h"
#include "parse-datetime.h"
static char *opt_src_repo;
static char *opt_src_ref;
static char *opt_subject;
static char *opt_body;
static gboolean opt_update_appstream;
static gboolean opt_no_update_summary;
static gboolean opt_untrusted;
static gboolean opt_disable_fsync;
static gboolean opt_force;
static char **opt_gpg_key_ids;
static char *opt_gpg_homedir;
static char *opt_endoflife;
static char **opt_endoflife_rebase;
static char **opt_endoflife_rebase_new;
static char **opt_subsets;
static char *opt_timestamp;
static char **opt_extra_collection_ids;
static int opt_token_type = -1;
static gboolean opt_no_summary_index = FALSE;
static GOptionEntry options[] = {
{ "src-repo", 0, 0, G_OPTION_ARG_STRING, &opt_src_repo, N_("Source repo dir"), N_("SRC-REPO") },
{ "src-ref", 0, 0, G_OPTION_ARG_STRING, &opt_src_ref, N_("Source repo ref"), N_("SRC-REF") },
{ "untrusted", 0, 0, G_OPTION_ARG_NONE, &opt_untrusted, "Do not trust SRC-REPO", NULL },
{ "force", 0, 0, G_OPTION_ARG_NONE, &opt_force, "Always commit, even if same content", NULL },
{ "extra-collection-id", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_extra_collection_ids, "Add an extra collection id ref and binding", "COLLECTION-ID" },
{ "subset", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_subsets, "Add to a named subset", "SUBSET" },
{ "subject", 's', 0, G_OPTION_ARG_STRING, &opt_subject, N_("One line subject"), N_("SUBJECT") },
{ "body", 'b', 0, G_OPTION_ARG_STRING, &opt_body, N_("Full description"), N_("BODY") },
{ "update-appstream", 0, 0, G_OPTION_ARG_NONE, &opt_update_appstream, N_("Update the appstream branch"), NULL },
{ "no-update-summary", 0, 0, G_OPTION_ARG_NONE, &opt_no_update_summary, N_("Don't update the summary"), NULL },
{ "gpg-sign", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_gpg_key_ids, N_("GPG Key ID to sign the commit with"), N_("KEY-ID") },
{ "gpg-homedir", 0, 0, G_OPTION_ARG_STRING, &opt_gpg_homedir, N_("GPG Homedir to use when looking for keyrings"), N_("HOMEDIR") },
{ "end-of-life", 0, 0, G_OPTION_ARG_STRING, &opt_endoflife, N_("Mark build as end-of-life"), N_("REASON") },
{ "end-of-life-rebase", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_endoflife_rebase, N_("Mark refs matching the OLDID prefix as end-of-life, to be replaced with the given NEWID"), N_("OLDID=NEWID") },
{ "token-type", 0, 0, G_OPTION_ARG_INT, &opt_token_type, N_("Set type of token needed to install this commit"), N_("VAL") },
{ "timestamp", 0, 0, G_OPTION_ARG_STRING, &opt_timestamp, N_("Override the timestamp of the commit (NOW for current time)"), N_("TIMESTAMP") },
{ "disable-fsync", 0, 0, G_OPTION_ARG_NONE, &opt_disable_fsync, "Do not invoke fsync()", NULL },
{ "no-summary-index", 0, 0, G_OPTION_ARG_NONE, &opt_no_summary_index, N_("Don't generate a summary index"), NULL },
{ NULL }
};
#define OSTREE_STATIC_DELTA_META_ENTRY_FORMAT "(uayttay)"
#define OSTREE_STATIC_DELTA_FALLBACK_FORMAT "(yaytt)"
#define OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT "(a{sv}tayay" OSTREE_COMMIT_GVARIANT_STRING "aya" OSTREE_STATIC_DELTA_META_ENTRY_FORMAT "a" OSTREE_STATIC_DELTA_FALLBACK_FORMAT ")"
static char *
_ostree_get_relative_static_delta_path (const char *from,
const char *to,
const char *target)
{
guint8 csum_to[OSTREE_SHA256_DIGEST_LEN];
char to_b64[44];
guint8 csum_to_copy[OSTREE_SHA256_DIGEST_LEN];
GString *ret = g_string_new ("deltas/");
ostree_checksum_inplace_to_bytes (to, csum_to);
ostree_checksum_b64_inplace_from_bytes (csum_to, to_b64);
ostree_checksum_b64_inplace_to_bytes (to_b64, csum_to_copy);
g_assert (memcmp (csum_to, csum_to_copy, OSTREE_SHA256_DIGEST_LEN) == 0);
if (from != NULL)
{
guint8 csum_from[OSTREE_SHA256_DIGEST_LEN];
char from_b64[44];
ostree_checksum_inplace_to_bytes (from, csum_from);
ostree_checksum_b64_inplace_from_bytes (csum_from, from_b64);
g_string_append_c (ret, from_b64[0]);
g_string_append_c (ret, from_b64[1]);
g_string_append_c (ret, '/');
g_string_append (ret, from_b64 + 2);
g_string_append_c (ret, '-');
}
g_string_append_c (ret, to_b64[0]);
g_string_append_c (ret, to_b64[1]);
if (from == NULL)
g_string_append_c (ret, '/');
g_string_append (ret, to_b64 + 2);
if (target != NULL)
{
g_string_append_c (ret, '/');
g_string_append (ret, target);
}
return g_string_free (ret, FALSE);
}
static GVariant *
new_bytearray (const guchar *data,
gsize len)
{
gpointer data_copy = g_memdup2 (data, len);
GVariant *ret = g_variant_new_from_data (G_VARIANT_TYPE ("ay"), data_copy,
len, FALSE, g_free, data_copy);
return ret;
}
static gboolean
rewrite_delta (OstreeRepo *src_repo,
const char *src_commit,
OstreeRepo *dst_repo,
const char *dst_commit,
GVariant *dst_commitv,
const char *from,
GError **error)
{
g_autoptr(GFile) src_delta_file = NULL;
g_autoptr(GFile) dst_delta_file = NULL;
g_autofree char *src_detached_key = _ostree_get_relative_static_delta_path (from, src_commit, "commitmeta");
g_autofree char *dst_detached_key = _ostree_get_relative_static_delta_path (from, dst_commit, "commitmeta");
g_autofree char *src_delta_dir = _ostree_get_relative_static_delta_path (from, src_commit, NULL);
g_autofree char *dst_delta_dir = _ostree_get_relative_static_delta_path (from, dst_commit, NULL);
g_autofree char *src_superblock_path = _ostree_get_relative_static_delta_path (from, src_commit, "superblock");
g_autofree char *dst_superblock_path = _ostree_get_relative_static_delta_path (from, dst_commit, "superblock");
GMappedFile *mfile = NULL;
g_auto(GVariantBuilder) superblock_builder = FLATPAK_VARIANT_BUILDER_INITIALIZER;
g_autoptr(GVariant) src_superblock = NULL;
g_autoptr(GVariant) dst_superblock = NULL;
g_autoptr(GBytes) bytes = NULL;
g_autoptr(GVariant) dst_detached = NULL;
g_autoptr(GVariant) src_metadata = NULL;
g_autoptr(GVariant) src_recurse = NULL;
g_autoptr(GVariant) src_parts = NULL;
g_auto(GVariantDict) dst_metadata_dict = FLATPAK_VARIANT_DICT_INITIALIZER;
int i;
src_delta_file = g_file_resolve_relative_path (ostree_repo_get_path (src_repo), src_superblock_path);
mfile = g_mapped_file_new (flatpak_file_get_path_cached (src_delta_file), FALSE, NULL);
if (mfile == NULL)
return TRUE; /* No superblock, not an error */
bytes = g_mapped_file_get_bytes (mfile);
g_mapped_file_unref (mfile);
src_superblock = g_variant_ref_sink (g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT), bytes, FALSE));
src_metadata = g_variant_get_child_value (src_superblock, 0);
src_recurse = g_variant_get_child_value (src_superblock, 5);
src_parts = g_variant_get_child_value (src_superblock, 6);
if (g_variant_n_children (src_recurse) != 0)
return flatpak_fail (error, "Recursive deltas not supported, ignoring");
g_variant_builder_init (&superblock_builder, G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT));
g_variant_dict_init (&dst_metadata_dict, src_metadata);
g_variant_dict_remove (&dst_metadata_dict, src_detached_key);
if (ostree_repo_read_commit_detached_metadata (dst_repo, dst_commit, &dst_detached, NULL, NULL) &&
dst_detached != NULL)
g_variant_dict_insert_value (&dst_metadata_dict, dst_detached_key, dst_detached);
g_variant_builder_add_value (&superblock_builder, g_variant_dict_end (&dst_metadata_dict));
g_variant_builder_add_value (&superblock_builder, g_variant_get_child_value (src_superblock, 1)); /* timestamp */
g_variant_builder_add_value (&superblock_builder, from ? ostree_checksum_to_bytes_v (from) : new_bytearray ((guchar *) "", 0));
g_variant_builder_add_value (&superblock_builder, ostree_checksum_to_bytes_v (dst_commit));
g_variant_builder_add_value (&superblock_builder, dst_commitv);
g_variant_builder_add_value (&superblock_builder, src_recurse);
g_variant_builder_add_value (&superblock_builder, src_parts);
g_variant_builder_add_value (&superblock_builder, g_variant_get_child_value (src_superblock, 7)); /* fallback */
dst_superblock = g_variant_ref_sink (g_variant_builder_end (&superblock_builder));
if (!glnx_shutil_mkdir_p_at (ostree_repo_get_dfd (dst_repo), dst_delta_dir, 0755, NULL, error))
return FALSE;
for (i = 0; i < g_variant_n_children (src_parts); i++)
{
g_autofree char *src_part_path = g_strdup_printf ("%s/%d", src_delta_dir, i);
g_autofree char *dst_part_path = g_strdup_printf ("%s/%d", dst_delta_dir, i);
if (!glnx_file_copy_at (ostree_repo_get_dfd (src_repo),
src_part_path,
NULL,
ostree_repo_get_dfd (dst_repo),
dst_part_path,
GLNX_FILE_COPY_OVERWRITE | GLNX_FILE_COPY_NOXATTRS,
NULL, error))
return FALSE;
}
dst_delta_file = g_file_resolve_relative_path (ostree_repo_get_path (dst_repo), dst_superblock_path);
if (!flatpak_variant_save (dst_delta_file, dst_superblock, NULL, error))
return FALSE;
return TRUE;
}
static gboolean
get_subsets (char **subsets, GVariant **out)
{
g_autoptr(GVariantBuilder) builder = g_variant_builder_new (G_VARIANT_TYPE ("as"));
gboolean found = FALSE;
if (subsets == NULL)
return FALSE;
for (int i = 0; subsets[i] != NULL; i++)
{
const char *subset = subsets[i];
if (*subset != 0)
{
found = TRUE;
g_variant_builder_add (builder, "s", subset);
}
}
if (!found)
return FALSE;
*out = g_variant_ref_sink (g_variant_builder_end (builder));
return TRUE;
}
gboolean
flatpak_builtin_build_commit_from (int argc, char **argv, GCancellable *cancellable, GError **error)
{
g_autoptr(GOptionContext) context = NULL;
g_autoptr(GFile) dst_repofile = NULL;
g_autoptr(OstreeRepo) dst_repo = NULL;
g_autoptr(GFile) src_repofile = NULL;
g_autoptr(OstreeRepo) src_repo = NULL;
g_autofree char *src_repo_uri = NULL;
const char *dst_repo_arg;
const char **dst_refs;
int n_dst_refs = 0;
g_autoptr(FlatpakRepoTransaction) transaction = NULL;
g_autoptr(GPtrArray) src_refs = NULL;
g_autoptr(GPtrArray) resolved_src_refs = NULL;
OstreeRepoCommitState src_commit_state;
struct timespec ts;
guint64 timestamp;
int i;
const char *src_collection_id;
context = g_option_context_new (_("DST-REPO [DST-REF…] - Make a new commit from existing commits"));
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
if (!flatpak_option_context_parse (context, options, &argc, &argv, FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error))
return FALSE;
if (argc < 2)
return usage_error (context, _("DST-REPO must be specified"), error);
dst_repo_arg = argv[1];
dst_refs = (const char **) argv + 2;
n_dst_refs = argc - 2;
if (opt_src_repo == NULL && n_dst_refs != 1)
return usage_error (context, _("If --src-repo is not specified, exactly one destination ref must be specified"), error);
if (opt_src_ref != NULL && n_dst_refs != 1)
return usage_error (context, _("If --src-ref is specified, exactly one destination ref must be specified"), error);
if (opt_src_repo == NULL && opt_src_ref == NULL)
return flatpak_fail (error, _("Either --src-repo or --src-ref must be specified"));
/* Always create a commit if we're eol:ing, even though the app is the same */
if (opt_endoflife != NULL || opt_endoflife_rebase != NULL)
opt_force = TRUE;
if (opt_endoflife_rebase)
{
opt_endoflife_rebase_new = g_new0 (char *, g_strv_length (opt_endoflife_rebase));
for (i = 0; opt_endoflife_rebase[i] != NULL; i++)
{
char *rebase_old = opt_endoflife_rebase[i];
char *rebase_new = strchr (rebase_old, '=');
if (rebase_new == NULL) {
return usage_error (context, _("Invalid argument format of use --end-of-life-rebase=OLDID=NEWID"), error);
}
*rebase_new = 0;
rebase_new++;
if (!flatpak_is_valid_name (rebase_old, -1, error))
return glnx_prefix_error (error, _("Invalid name %s in --end-of-life-rebase"), rebase_old);
if (!flatpak_is_valid_name (rebase_new, -1, error))
return glnx_prefix_error (error, _("Invalid name %s in --end-of-life-rebase"), rebase_new);
opt_endoflife_rebase_new[i] = rebase_new;
}
}
if (opt_timestamp)
{
if (!parse_datetime (&ts, opt_timestamp, NULL))
return flatpak_fail (error, _("Could not parse '%s'"), opt_timestamp);
}
dst_repofile = g_file_new_for_commandline_arg (dst_repo_arg);
if (!g_file_query_exists (dst_repofile, cancellable))
return flatpak_fail (error, _("'%s' is not a valid repository"), dst_repo_arg);
dst_repo = ostree_repo_new (dst_repofile);
if (!ostree_repo_open (dst_repo, cancellable, error))
return FALSE;
if (opt_disable_fsync)
ostree_repo_set_disable_fsync (dst_repo, TRUE);
if (opt_src_repo)
{
src_repofile = g_file_new_for_commandline_arg (opt_src_repo);
if (!g_file_query_exists (src_repofile, cancellable))
return flatpak_fail (error, _("'%s' is not a valid repository"), opt_src_repo);
src_repo_uri = g_file_get_uri (src_repofile);
src_repo = ostree_repo_new (src_repofile);
if (!ostree_repo_open (src_repo, cancellable, error))
return FALSE;
}
else
{
src_repo = g_object_ref (dst_repo);
}
src_refs = g_ptr_array_new_with_free_func (g_free);
if (opt_src_ref)
{
g_assert (n_dst_refs == 1);
g_ptr_array_add (src_refs, g_strdup (opt_src_ref));
}
else
{
g_assert (opt_src_repo != NULL);
if (n_dst_refs == 0)
{
g_autofree const char **keys = NULL;
g_autoptr(GHashTable) all_src_refs = NULL;
if (!ostree_repo_list_refs (src_repo, NULL, &all_src_refs,
cancellable, error))
return FALSE;
keys = (const char **) g_hash_table_get_keys_as_array (all_src_refs, NULL);
for (i = 0; keys[i] != NULL; i++)
{
if (g_str_has_prefix (keys[i], "runtime/") ||
g_str_has_prefix (keys[i], "app/"))
g_ptr_array_add (src_refs, g_strdup (keys[i]));
}
n_dst_refs = src_refs->len;
dst_refs = (const char **) src_refs->pdata;
}
else
{
for (i = 0; i < n_dst_refs; i++)
g_ptr_array_add (src_refs, g_strdup (dst_refs[i]));
}
}
src_collection_id = ostree_repo_get_collection_id (src_repo);
resolved_src_refs = g_ptr_array_new_with_free_func (g_free);
for (i = 0; i < src_refs->len; i++)
{
const char *src_ref = g_ptr_array_index (src_refs, i);
char *resolved_ref;
if (!flatpak_repo_resolve_rev (src_repo, src_collection_id, NULL, src_ref, FALSE,
&resolved_ref, cancellable, error))
return FALSE;
g_ptr_array_add (resolved_src_refs, resolved_ref);
}
if (src_repo_uri != NULL)
{
OstreeRepoPullFlags pullflags = 0;
GVariantBuilder builder;
g_autoptr(OstreeAsyncProgressFinish) progress = NULL;
g_auto(GLnxConsoleRef) console = { 0, };
g_autoptr(GVariant) pull_options = NULL;
gboolean res;
if (opt_untrusted)
pullflags |= OSTREE_REPO_PULL_FLAGS_UNTRUSTED;
glnx_console_lock (&console);
if (console.is_tty)
progress = ostree_async_progress_new_and_connect (ostree_repo_pull_default_console_progress_changed, &console);
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
g_variant_builder_add (&builder, "{s@v}", "flags",
g_variant_new_variant (g_variant_new_int32 (pullflags)));
g_variant_builder_add (&builder, "{s@v}", "refs",
g_variant_new_variant (g_variant_new_strv ((const char * const *) resolved_src_refs->pdata,
resolved_src_refs->len)));
g_variant_builder_add (&builder, "{s@v}", "depth",
g_variant_new_variant (g_variant_new_int32 (0)));
pull_options = g_variant_ref_sink (g_variant_builder_end (&builder));
res = ostree_repo_pull_with_options (dst_repo, src_repo_uri,
pull_options,
progress,
cancellable, error);
if (!res)
return FALSE;
}
/* By now we have the commit with commit_id==resolved_ref and dependencies in dst_repo. We now create a new
* commit based on the toplevel tree ref from that commit.
* This is equivalent to:
* ostree commit --skip-if-unchanged --repo=${destrepo} --tree=ref=${resolved_ref}
*/
transaction = flatpak_repo_transaction_start (dst_repo, cancellable, error);
if (transaction == NULL)
return FALSE;
for (i = 0; i < resolved_src_refs->len; i++)
{
const char *dst_ref = dst_refs[i];
const char *resolved_ref = g_ptr_array_index (resolved_src_refs, i);
g_autofree char *dst_parent = NULL;
g_autoptr(GFile) dst_parent_root = NULL;
g_autoptr(GFile) src_ref_root = NULL;
g_autoptr(GVariant) src_commitv = NULL;
g_autoptr(GVariant) dst_commitv = NULL;
g_autoptr(GVariant) subsets_v = NULL;
g_autoptr(OstreeMutableTree) mtree = NULL;
g_autoptr(GFile) dst_root = NULL;
g_autoptr(GVariant) commitv_metadata = NULL;
g_autoptr(GVariant) metadata = NULL;
const char *subject;
const char *body;
g_autofree char *commit_checksum = NULL;
GVariantBuilder metadata_builder;
gint j;
const char *dst_collection_id = NULL;
const char *main_collection_id = NULL;
g_autoptr(GPtrArray) collection_ids = NULL;
dst_collection_id = ostree_repo_get_collection_id (dst_repo);
if (!flatpak_repo_resolve_rev (dst_repo, dst_collection_id, NULL, dst_ref, TRUE,
&dst_parent, cancellable, error))
return FALSE;
if (dst_parent != NULL &&
!ostree_repo_read_commit (dst_repo, dst_parent, &dst_parent_root, NULL, cancellable, error))
return FALSE;
if (!ostree_repo_read_commit (dst_repo, resolved_ref, &src_ref_root, NULL, cancellable, error))
return FALSE;
if (!ostree_repo_load_commit (dst_repo, resolved_ref, &src_commitv, &src_commit_state, error))
return FALSE;
if (src_commit_state & OSTREE_REPO_COMMIT_STATE_PARTIAL)
return flatpak_fail (error, _("Can't commit from partial source commit"));
/* Don't create a new commit if this is the same tree */
if (!opt_force && dst_parent_root != NULL && g_file_equal (dst_parent_root, src_ref_root))
{
g_print (_("%s: no change\n"), dst_ref);
continue;
}
mtree = ostree_mutable_tree_new ();
if (!ostree_repo_write_directory_to_mtree (dst_repo, src_ref_root, mtree, NULL,
cancellable, error))
return FALSE;
if (!ostree_repo_write_mtree (dst_repo, mtree, &dst_root, cancellable, error))
return FALSE;
commitv_metadata = g_variant_get_child_value (src_commitv, 0);
g_variant_get_child (src_commitv, 3, "&s", &subject);
if (opt_subject)
subject = (const char *) opt_subject;
g_variant_get_child (src_commitv, 4, "&s", &body);
if (opt_body)
body = (const char *) opt_body;
collection_ids = g_ptr_array_new_with_free_func (g_free);
if (dst_collection_id)
{
main_collection_id = dst_collection_id;
g_ptr_array_add (collection_ids, g_strdup (dst_collection_id));
}
if (opt_extra_collection_ids != NULL)
{
for (j = 0; opt_extra_collection_ids[j] != NULL; j++)
{
const char *cid = opt_extra_collection_ids[j];
if (main_collection_id == NULL)
main_collection_id = cid; /* Fall back to first arg */
if (g_strcmp0 (cid, dst_collection_id) != 0)
g_ptr_array_add (collection_ids, g_strdup (cid));
}
}
g_ptr_array_sort (collection_ids, (GCompareFunc) flatpak_strcmp0_ptr);
/* Copy old metadata */
g_variant_builder_init (&metadata_builder, G_VARIANT_TYPE ("a{sv}"));
/* Bindings. xa.ref is deprecated but added anyway for backwards compatibility. */
g_variant_builder_add (&metadata_builder, "{sv}", "ostree.collection-binding",
g_variant_new_string (main_collection_id ? main_collection_id : ""));
if (collection_ids->len > 0)
{
g_autoptr(GVariantBuilder) cr_builder = g_variant_builder_new (G_VARIANT_TYPE ("a(ss)"));
for (j = 0; j < collection_ids->len; j++)
g_variant_builder_add (cr_builder, "(ss)", g_ptr_array_index (collection_ids, j), dst_ref);
g_variant_builder_add (&metadata_builder, "{sv}", "ostree.collection-refs-binding",
g_variant_builder_end (cr_builder));
}
g_variant_builder_add (&metadata_builder, "{sv}", "ostree.ref-binding",
g_variant_new_strv (&dst_ref, 1));
g_variant_builder_add (&metadata_builder, "{sv}", "xa.ref", g_variant_new_string (dst_ref));
/* Record the source commit. This is nice to have, but it also
means the commit-from gets a different commit id, which
avoids problems with e.g. sharing .commitmeta files
(signatures) */
g_variant_builder_add (&metadata_builder, "{sv}", "xa.from_commit", g_variant_new_string (resolved_ref));
if (opt_src_repo)
{
guint64 download_size;
if (!flatpak_repo_collect_sizes (dst_repo, src_ref_root, NULL, &download_size,
cancellable, error))
{
return FALSE;
}
g_variant_builder_add (&metadata_builder, "{sv}", "xa.download-size", g_variant_new_uint64 (GUINT64_TO_BE (download_size)));
}
for (j = 0; j < g_variant_n_children (commitv_metadata); j++)
{
g_autoptr(GVariant) child = g_variant_get_child_value (commitv_metadata, j);
g_autoptr(GVariant) keyv = g_variant_get_child_value (child, 0);
const char *key = g_variant_get_string (keyv, NULL);
if (strcmp (key, "xa.ref") == 0 ||
strcmp (key, "xa.from_commit") == 0 ||
strcmp (key, "ostree.collection-binding") == 0 ||
strcmp (key, "ostree.collection-refs-binding") == 0 ||
strcmp (key, "ostree.ref-binding") == 0)
continue;
if (opt_src_repo && strcmp (key, "xa.download-size") == 0)
continue;
if (opt_endoflife &&
strcmp (key, OSTREE_COMMIT_META_KEY_ENDOFLIFE) == 0)
continue;
if (opt_endoflife_rebase &&
strcmp (key, OSTREE_COMMIT_META_KEY_ENDOFLIFE_REBASE) == 0)
continue;
if (opt_token_type >= 0 && strcmp (key, "xa.token-type") == 0)
continue;
if (opt_subsets != NULL && strcmp (key, "xa.subsets") == 0)
continue;
g_variant_builder_add_value (&metadata_builder, child);
}
if (opt_endoflife && *opt_endoflife)
g_variant_builder_add (&metadata_builder, "{sv}", OSTREE_COMMIT_META_KEY_ENDOFLIFE,
g_variant_new_string (opt_endoflife));
if (opt_endoflife_rebase)
{
g_auto(GStrv) dst_ref_parts = g_strsplit (dst_ref, "/", 0);
for (j = 0; opt_endoflife_rebase[j] != NULL; j++)
{
const char *old_prefix = opt_endoflife_rebase[j];
if (flatpak_has_name_prefix (dst_ref_parts[1], old_prefix))
{
g_autofree char *new_id = g_strconcat (opt_endoflife_rebase_new[j], dst_ref_parts[1] + strlen(old_prefix), NULL);
g_autofree char *rebased_ref = g_build_filename (dst_ref_parts[0], new_id, dst_ref_parts[2], dst_ref_parts[3], NULL);
g_variant_builder_add (&metadata_builder, "{sv}", OSTREE_COMMIT_META_KEY_ENDOFLIFE_REBASE,
g_variant_new_string (rebased_ref));
break;
}
}
}
if (opt_token_type >= 0)
g_variant_builder_add (&metadata_builder, "{sv}", "xa.token-type",
g_variant_new_int32 (GINT32_TO_LE (opt_token_type)));
/* Skip "" subsets as they mean everything. This way --subsets= causes old subsets to be stripped from the original commit */
if (get_subsets (opt_subsets, &subsets_v))
g_variant_builder_add (&metadata_builder, "{sv}", "xa.subsets", subsets_v);
timestamp = ostree_commit_get_timestamp (src_commitv);
if (opt_timestamp)
timestamp = ts.tv_sec;
metadata = g_variant_ref_sink (g_variant_builder_end (&metadata_builder));
if (!ostree_repo_write_commit_with_time (dst_repo, dst_parent, subject, body, metadata,
OSTREE_REPO_FILE (dst_root),
timestamp,
&commit_checksum, cancellable, error))
return FALSE;
g_print ("%s: %s\n", dst_ref, commit_checksum);
if (!ostree_repo_load_commit (dst_repo, commit_checksum, &dst_commitv, NULL, error))
return FALSE;
/* This doesn't copy the detached metadata. I'm not sure if this is a problem.
* The main thing there is commit signatures, and we can't copy those, as the commit hash changes.
*/
if (opt_gpg_key_ids)
{
char **iter;
for (iter = opt_gpg_key_ids; iter && *iter; iter++)
{
const char *keyid = *iter;
g_autoptr(GError) my_error = NULL;
if (!ostree_repo_sign_commit (dst_repo,
commit_checksum,
keyid,
opt_gpg_homedir,
cancellable,
&my_error) &&
!g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_EXISTS))
{
g_propagate_error (error, g_steal_pointer (&my_error));
return FALSE;
}
}
}
if (dst_collection_id != NULL)
{
OstreeCollectionRef ref = { (char *) dst_collection_id, (char *) dst_ref };
ostree_repo_transaction_set_collection_ref (dst_repo, &ref, commit_checksum);
}
else
{
ostree_repo_transaction_set_ref (dst_repo, NULL, dst_ref, commit_checksum);
}
if (opt_extra_collection_ids)
{
for (j = 0; opt_extra_collection_ids[j] != NULL; j++)
{
OstreeCollectionRef ref = { (char *) opt_extra_collection_ids[j], (char *) dst_ref };
ostree_repo_transaction_set_collection_ref (dst_repo, &ref, commit_checksum);
}
}
/* Copy + Rewrite any deltas */
{
const char *from[2];
gsize n_from = 0;
if (dst_parent != NULL)
from[n_from++] = dst_parent;
from[n_from++] = NULL;
for (j = 0; j < n_from; j++)
{
g_autoptr(GError) local_error = NULL;
if (!rewrite_delta (src_repo, resolved_ref, dst_repo, commit_checksum, dst_commitv, from[j], &local_error))
g_info ("Failed to copy delta: %s", local_error->message);
}
}
}
if (!ostree_repo_commit_transaction (dst_repo, NULL, cancellable, error))
return FALSE;
if (opt_update_appstream &&
!flatpak_repo_generate_appstream (dst_repo, (const char **) opt_gpg_key_ids, opt_gpg_homedir, 0, cancellable, error))
return FALSE;
if (!opt_no_update_summary)
{
FlatpakRepoUpdateFlags flags = FLATPAK_REPO_UPDATE_FLAG_NONE;
if (opt_no_summary_index)
flags |= FLATPAK_REPO_UPDATE_FLAG_DISABLE_INDEX;
g_info ("Updating summary");
if (!flatpak_repo_update (dst_repo, flags,
(const char **) opt_gpg_key_ids,
opt_gpg_homedir,
cancellable,
error))
return FALSE;
}
return TRUE;
}
gboolean
flatpak_complete_build_commit_from (FlatpakCompletion *completion)
{
g_autoptr(GOptionContext) context = NULL;
g_autoptr(GFile) dst_repofile = NULL;
g_autoptr(OstreeRepo) dst_repo = NULL;
g_autoptr(GFile) src_repofile = NULL;
g_autoptr(OstreeRepo) src_repo = NULL;
context = g_option_context_new ("");
if (!flatpak_option_context_parse (context, options, &completion->argc, &completion->argv,
FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, NULL, NULL))
return FALSE;
switch (completion->argc)
{
case 0:
case 1: /* DST-REPO */
flatpak_complete_options (completion, global_entries);
flatpak_complete_options (completion, options);
flatpak_complete_dir (completion);
break;
case 2: /* DST-REF */
dst_repofile = g_file_new_for_commandline_arg (completion->argv[1]);
dst_repo = ostree_repo_new (dst_repofile);
if (ostree_repo_open (dst_repo, NULL, NULL))
flatpak_complete_ref (completion, dst_repo);
if (opt_src_repo)
{
src_repofile = g_file_new_for_commandline_arg (opt_src_repo);
src_repo = ostree_repo_new (src_repofile);
if (ostree_repo_open (src_repo, NULL, NULL))
flatpak_complete_ref (completion, src_repo);
}
break;
}
return TRUE;
}
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