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libostree: Split off -refs.c 

Continuing to break up ostree-repo.c.
This commit is contained in:
Colin Walters 2013-07-09 19:49:00 -04:00
parent 3b6a94d272
commit cb6b69616c
3 changed files with 671 additions and 646 deletions
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1
Makefile-libostree.am
View File

@ -33,6 +33,7 @@ libostree_la_SOURCES = src/libostree/ostree.h \
src/libostree/ostree-repo.c \
src/libostree/ostree-repo-checkout.c \
src/libostree/ostree-repo-libarchive.c \
src/libostree/ostree-repo-refs.c \
src/libostree/ostree-repo.h \
src/libostree/ostree-repo-private.h \
src/libostree/ostree-repo-file.c \

670
src/libostree/ostree-repo-refs.c Normal file
View File

@ -0,0 +1,670 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* This library 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "ostree-repo-private.h"
static gboolean
add_ref_to_set (const char *remote,
GFile *base,
GFile *child,
GHashTable *refs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
char *contents;
char *relpath;
gsize len;
GString *refname;
if (!g_file_load_contents (child, cancellable, &contents, &len, NULL, error))
goto out;
g_strchomp (contents);
refname = g_string_new ("");
if (remote)
{
g_string_append (refname, remote);
g_string_append_c (refname, ':');
}
relpath = g_file_get_relative_path (base, child);
g_string_append (refname, relpath);
g_free (relpath);
g_hash_table_insert (refs, g_string_free (refname, FALSE), contents);
ret = TRUE;
out:
return ret;
}
static gboolean
write_checksum_file (GFile *parentdir,
const char *name,
const char *sha256,
GError **error)
{
gboolean ret = FALSE;
gsize bytes_written;
int i;
gs_unref_object GFile *parent = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GOutputStream *out = NULL;
gs_unref_ptrarray GPtrArray *components = NULL;
if (!ostree_validate_checksum_string (sha256, error))
goto out;
if (ostree_validate_checksum_string (name, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Rev name '%s' looks like a checksum", name);
goto out;
}
if (!ot_util_path_split_validate (name, &components, error))
goto out;
if (components->len == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid empty ref name");
goto out;
}
parent = g_object_ref (parentdir);
for (i = 0; i+1 < components->len; i++)
{
child = g_file_get_child (parent, (char*)components->pdata[i]);
if (!gs_file_ensure_directory (child, FALSE, NULL, error))
goto out;
g_clear_object (&parent);
parent = child;
child = NULL;
}
child = g_file_get_child (parent, components->pdata[components->len - 1]);
if ((out = (GOutputStream*)g_file_replace (child, NULL, FALSE, 0, NULL, error)) == NULL)
goto out;
if (!g_output_stream_write_all (out, sha256, strlen (sha256), &bytes_written, NULL, error))
goto out;
if (!g_output_stream_write_all (out, "\n", 1, &bytes_written, NULL, error))
goto out;
if (!g_output_stream_close (out, NULL, error))
goto out;
ret = TRUE;
out:
return ret;
}
static gboolean
parse_rev_file (OstreeRepo *self,
GFile *f,
char **sha256,
GError **error) G_GNUC_UNUSED;
static gboolean
parse_rev_file (OstreeRepo *self,
GFile *f,
char **sha256,
GError **error)
{
gboolean ret = FALSE;
GError *temp_error = NULL;
gs_free char *rev = NULL;
if ((rev = gs_file_load_contents_utf8 (f, NULL, &temp_error)) == NULL)
goto out;
if (rev == NULL)
{
if (g_error_matches (temp_error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
{
g_clear_error (&temp_error);
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
else
{
g_strchomp (rev);
}
if (g_str_has_prefix (rev, "ref: "))
{
gs_unref_object GFile *ref = NULL;
char *ref_sha256;
gboolean subret;
ref = g_file_resolve_relative_path (self->local_heads_dir, rev + 5);
subret = parse_rev_file (self, ref, &ref_sha256, error);
if (!subret)
{
g_free (ref_sha256);
goto out;
}
g_free (rev);
rev = ref_sha256;
}
else
{
if (!ostree_validate_checksum_string (rev, error))
goto out;
}
ot_transfer_out_value(sha256, &rev);
ret = TRUE;
out:
return ret;
}
static gboolean
find_ref_in_remotes (OstreeRepo *self,
const char *rev,
GFile **out_file,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFileEnumerator *dir_enum = NULL;
gs_unref_object GFile *ret_file = NULL;
dir_enum = g_file_enumerate_children (self->remote_heads_dir, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
NULL, error);
if (!dir_enum)
goto out;
while (TRUE)
{
GFileInfo *file_info;
GFile *child;
if (!gs_file_enumerator_iterate (dir_enum, &file_info, &child,
NULL, error))
goto out;
if (file_info == NULL)
break;
if (g_file_info_get_file_type (file_info) != G_FILE_TYPE_DIRECTORY)
continue;
g_clear_object (&ret_file);
ret_file = g_file_resolve_relative_path (child, rev);
if (!g_file_query_exists (ret_file, NULL))
g_clear_object (&ret_file);
else
break;
}
ret = TRUE;
ot_transfer_out_value (out_file, &ret_file);
out:
return ret;
}
static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GError **error);
static gboolean
resolve_refspec_fallback (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_free char *ret_rev = NULL;
if (self->parent_repo)
{
if (!resolve_refspec (self->parent_repo, remote, ref,
allow_noent, &ret_rev, error))
goto out;
}
else if (!allow_noent)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Refspec '%s%s%s' not found",
remote ? remote : "",
remote ? ":" : "",
ref);
goto out;
}
ret = TRUE;
ot_transfer_out_value (out_rev, &ret_rev);
out:
return ret;
}
static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GError **error)
{
gboolean ret = FALSE;
__attribute__((unused)) GCancellable *cancellable = NULL;
GError *temp_error = NULL;
gs_free char *tmp = NULL;
gs_free char *tmp2 = NULL;
gs_free char *ret_rev = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GFile *origindir = NULL;
g_return_val_if_fail (ref != NULL, FALSE);
/* We intentionally don't allow a ref that looks like a checksum */
if (ostree_validate_checksum_string (ref, NULL))
{
ret_rev = g_strdup (ref);
}
else if (remote != NULL)
{
child = ot_gfile_resolve_path_printf (self->remote_heads_dir, "%s/%s",
remote, ref);
if (!g_file_query_exists (child, NULL))
g_clear_object (&child);
}
else
{
child = g_file_resolve_relative_path (self->local_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
child = g_file_resolve_relative_path (self->remote_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
if (!find_ref_in_remotes (self, ref, &child, error))
goto out;
}
}
}
if (child)
{
if ((ret_rev = gs_file_load_contents_utf8 (child, NULL, &temp_error)) == NULL)
{
g_propagate_error (error, temp_error);
g_prefix_error (error, "Couldn't open ref '%s': ", gs_file_get_path_cached (child));
goto out;
}
g_strchomp (ret_rev);
if (!ostree_validate_checksum_string (ret_rev, error))
goto out;
}
else
{
if (!resolve_refspec_fallback (self, remote, ref, allow_noent,
&ret_rev, cancellable, error))
goto out;
}
ot_transfer_out_value (out_rev, &ret_rev);
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_resolve_rev (OstreeRepo *self,
const char *refspec,
gboolean allow_noent,
char **out_rev,
GError **error)
{
gboolean ret = FALSE;
gs_free char *ret_rev = NULL;
g_return_val_if_fail (refspec != NULL, FALSE);
if (ostree_validate_checksum_string (refspec, NULL))
{
ret_rev = g_strdup (refspec);
}
else
{
if (g_str_has_suffix (refspec, "^"))
{
gs_free char *parent_refspec = NULL;
gs_free char *parent_rev = NULL;
gs_unref_variant GVariant *commit = NULL;
gs_unref_variant GVariant *parent_csum_v = NULL;
parent_refspec = g_strdup (refspec);
parent_refspec[strlen(parent_refspec) - 1] = '\0';
if (!ostree_repo_resolve_rev (self, parent_refspec, allow_noent, &parent_rev, error))
goto out;
if (!ostree_repo_load_variant (self, OSTREE_OBJECT_TYPE_COMMIT, parent_rev,
&commit, error))
goto out;
g_variant_get_child (commit, 1, "@ay", &parent_csum_v);
if (g_variant_n_children (parent_csum_v) == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Commit %s has no parent", parent_rev);
goto out;
}
ret_rev = ostree_checksum_from_bytes_v (parent_csum_v);
}
else
{
gs_free char *remote = NULL;
gs_free char *ref = NULL;
if (!ostree_parse_refspec (refspec, &remote, &ref, error))
goto out;
if (!resolve_refspec (self, remote, ref, allow_noent,
&ret_rev, error))
goto out;
}
}
ret = TRUE;
ot_transfer_out_value (out_rev, &ret_rev);
out:
return ret;
}
static gboolean
enumerate_refs_recurse (OstreeRepo *repo,
const char *remote,
GFile *base,
GFile *dir,
GHashTable *refs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFileEnumerator *enumerator = NULL;
enumerator = g_file_enumerate_children (dir, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
cancellable, error);
if (!enumerator)
goto out;
while (TRUE)
{
GFileInfo *file_info = NULL;
GFile *child = NULL;
if (!gs_file_enumerator_iterate (enumerator, &file_info, &child,
NULL, error))
goto out;
if (file_info == NULL)
break;
if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY)
{
if (!enumerate_refs_recurse (repo, remote, base, child, refs, cancellable, error))
goto out;
}
else if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_REGULAR)
{
if (!add_ref_to_set (remote, base, child, refs,
cancellable, error))
goto out;
}
}
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_list_refs (OstreeRepo *repo,
const char *refspec_prefix,
GHashTable **out_all_refs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_unref_hashtable GHashTable *ret_all_refs = NULL;
gs_free char *remote = NULL;
gs_free char *ref_prefix = NULL;
ret_all_refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
if (refspec_prefix)
{
gs_unref_object GFile *dir = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GFileInfo *info = NULL;
if (!ostree_parse_refspec (refspec_prefix, &remote, &ref_prefix, error))
goto out;
if (remote)
dir = g_file_get_child (repo->remote_heads_dir, remote);
else
dir = g_object_ref (repo->local_heads_dir);
child = g_file_resolve_relative_path (dir, ref_prefix);
if (!ot_gfile_query_info_allow_noent (child, OSTREE_GIO_FAST_QUERYINFO, 0,
&info, cancellable, error))
goto out;
if (info)
{
if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
{
if (!enumerate_refs_recurse (repo, remote, child, child,
ret_all_refs,
cancellable, error))
goto out;
}
else
{
if (!add_ref_to_set (remote, dir, child, ret_all_refs,
cancellable, error))
goto out;
}
}
}
else
{
gs_unref_object GFileEnumerator *remote_enumerator = NULL;
if (!enumerate_refs_recurse (repo, NULL, repo->local_heads_dir, repo->local_heads_dir,
ret_all_refs,
cancellable, error))
goto out;
remote_enumerator = g_file_enumerate_children (repo->remote_heads_dir, OSTREE_GIO_FAST_QUERYINFO,
0,
cancellable, error);
while (TRUE)
{
GFileInfo *info;
GFile *child;
const char *name;
if (!gs_file_enumerator_iterate (remote_enumerator, &info, &child,
cancellable, error))
goto out;
if (!info)
break;
name = g_file_info_get_name (info);
if (!enumerate_refs_recurse (repo, name, child, child,
ret_all_refs,
cancellable, error))
goto out;
}
}
ret = TRUE;
ot_transfer_out_value (out_all_refs, &ret_all_refs);
out:
return ret;
}
static gboolean
write_ref_summary (OstreeRepo *self,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
GHashTableIter hash_iter;
gpointer key, value;
gsize bytes_written;
gs_unref_hashtable GHashTable *all_refs = NULL;
gs_unref_object GFile *summary_path = NULL;
gs_unref_object GOutputStream *out = NULL;
gs_free char *buf = NULL;
if (!ostree_repo_list_refs (self, NULL, &all_refs, cancellable, error))
goto out;
summary_path = g_file_resolve_relative_path (ostree_repo_get_path (self),
"refs/summary");
out = (GOutputStream*) g_file_replace (summary_path, NULL, FALSE, 0, cancellable, error);
if (!out)
goto out;
g_hash_table_iter_init (&hash_iter, all_refs);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *name = key;
const char *sha256 = value;
g_free (buf);
buf = g_strdup_printf ("%s %s\n", sha256, name);
if (!g_output_stream_write_all (out, buf, strlen (buf), &bytes_written, cancellable, error))
goto out;
}
if (!g_output_stream_close (out, cancellable, error))
goto out;
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_write_ref (OstreeRepo *self,
const char *remote,
const char *name,
const char *rev,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFile *dir = NULL;
if (remote == NULL)
dir = g_object_ref (self->local_heads_dir);
else
{
dir = g_file_get_child (self->remote_heads_dir, remote);
if (rev != NULL)
{
if (!gs_file_ensure_directory (dir, FALSE, NULL, error))
goto out;
}
}
if (rev == NULL)
{
gs_unref_object GFile *child = g_file_resolve_relative_path (dir, name);
if (g_file_query_exists (child, NULL))
{
if (!gs_file_unlink (child, NULL, error))
goto out;
}
}
else
{
if (!write_checksum_file (dir, name, rev, error))
goto out;
if (rev != NULL)
{
if (self->mode == OSTREE_REPO_MODE_ARCHIVE
|| self->mode == OSTREE_REPO_MODE_ARCHIVE_Z2)
{
if (!write_ref_summary (self, NULL, error))
goto out;
}
}
}
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_write_refspec (OstreeRepo *self,
const char *refspec,
const char *rev,
GError **error)
{
gboolean ret = FALSE;
gs_free char *remote = NULL;
gs_free char *ref = NULL;
if (!ostree_parse_refspec (refspec, &remote, &ref, error))
goto out;
if (!ostree_repo_write_ref (self, remote, ref, rev, error))
goto out;
ret = TRUE;
out:
return ret;
}

646
src/libostree/ostree-repo.c
View File

@ -186,361 +186,6 @@ ostree_repo_new (GFile *path)
{
return g_object_new (OSTREE_TYPE_REPO, "path", path, NULL);
}
static gboolean
parse_rev_file (OstreeRepo *self,
GFile *f,
char **sha256,
GError **error) G_GNUC_UNUSED;
static gboolean
parse_rev_file (OstreeRepo *self,
GFile *f,
char **sha256,
GError **error)
{
gboolean ret = FALSE;
GError *temp_error = NULL;
gs_free char *rev = NULL;
if ((rev = gs_file_load_contents_utf8 (f, NULL, &temp_error)) == NULL)
goto out;
if (rev == NULL)
{
if (g_error_matches (temp_error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
{
g_clear_error (&temp_error);
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
else
{
g_strchomp (rev);
}
if (g_str_has_prefix (rev, "ref: "))
{
gs_unref_object GFile *ref = NULL;
char *ref_sha256;
gboolean subret;
ref = g_file_resolve_relative_path (self->local_heads_dir, rev + 5);
subret = parse_rev_file (self, ref, &ref_sha256, error);
if (!subret)
{
g_free (ref_sha256);
goto out;
}
g_free (rev);
rev = ref_sha256;
}
else
{
if (!ostree_validate_checksum_string (rev, error))
goto out;
}
ot_transfer_out_value(sha256, &rev);
ret = TRUE;
out:
return ret;
}
static gboolean
find_ref_in_remotes (OstreeRepo *self,
const char *rev,
GFile **out_file,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFileEnumerator *dir_enum = NULL;
gs_unref_object GFile *ret_file = NULL;
dir_enum = g_file_enumerate_children (self->remote_heads_dir, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
NULL, error);
if (!dir_enum)
goto out;
while (TRUE)
{
GFileInfo *file_info;
GFile *child;
if (!gs_file_enumerator_iterate (dir_enum, &file_info, &child,
NULL, error))
goto out;
if (file_info == NULL)
break;
if (g_file_info_get_file_type (file_info) != G_FILE_TYPE_DIRECTORY)
continue;
g_clear_object (&ret_file);
ret_file = g_file_resolve_relative_path (child, rev);
if (!g_file_query_exists (ret_file, NULL))
g_clear_object (&ret_file);
else
break;
}
ret = TRUE;
ot_transfer_out_value (out_file, &ret_file);
out:
return ret;
}
static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GError **error);
static gboolean
resolve_refspec_fallback (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_free char *ret_rev = NULL;
if (self->parent_repo)
{
if (!resolve_refspec (self->parent_repo, remote, ref,
allow_noent, &ret_rev, error))
goto out;
}
else if (!allow_noent)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Refspec '%s%s%s' not found",
remote ? remote : "",
remote ? ":" : "",
ref);
goto out;
}
ret = TRUE;
ot_transfer_out_value (out_rev, &ret_rev);
out:
return ret;
}
static gboolean
resolve_refspec (OstreeRepo *self,
const char *remote,
const char *ref,
gboolean allow_noent,
char **out_rev,
GError **error)
{
gboolean ret = FALSE;
__attribute__((unused)) GCancellable *cancellable = NULL;
GError *temp_error = NULL;
gs_free char *tmp = NULL;
gs_free char *tmp2 = NULL;
gs_free char *ret_rev = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GFile *origindir = NULL;
g_return_val_if_fail (ref != NULL, FALSE);
/* We intentionally don't allow a ref that looks like a checksum */
if (ostree_validate_checksum_string (ref, NULL))
{
ret_rev = g_strdup (ref);
}
else if (remote != NULL)
{
child = ot_gfile_resolve_path_printf (self->remote_heads_dir, "%s/%s",
remote, ref);
if (!g_file_query_exists (child, NULL))
g_clear_object (&child);
}
else
{
child = g_file_resolve_relative_path (self->local_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
child = g_file_resolve_relative_path (self->remote_heads_dir, ref);
if (!g_file_query_exists (child, NULL))
{
g_clear_object (&child);
if (!find_ref_in_remotes (self, ref, &child, error))
goto out;
}
}
}
if (child)
{
if ((ret_rev = gs_file_load_contents_utf8 (child, NULL, &temp_error)) == NULL)
{
g_propagate_error (error, temp_error);
g_prefix_error (error, "Couldn't open ref '%s': ", gs_file_get_path_cached (child));
goto out;
}
g_strchomp (ret_rev);
if (!ostree_validate_checksum_string (ret_rev, error))
goto out;
}
else
{
if (!resolve_refspec_fallback (self, remote, ref, allow_noent,
&ret_rev, cancellable, error))
goto out;
}
ot_transfer_out_value (out_rev, &ret_rev);
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_resolve_rev (OstreeRepo *self,
const char *refspec,
gboolean allow_noent,
char **out_rev,
GError **error)
{
gboolean ret = FALSE;
gs_free char *ret_rev = NULL;
g_return_val_if_fail (refspec != NULL, FALSE);
if (ostree_validate_checksum_string (refspec, NULL))
{
ret_rev = g_strdup (refspec);
}
else
{
if (g_str_has_suffix (refspec, "^"))
{
gs_free char *parent_refspec = NULL;
gs_free char *parent_rev = NULL;
gs_unref_variant GVariant *commit = NULL;
gs_unref_variant GVariant *parent_csum_v = NULL;
parent_refspec = g_strdup (refspec);
parent_refspec[strlen(parent_refspec) - 1] = '\0';
if (!ostree_repo_resolve_rev (self, parent_refspec, allow_noent, &parent_rev, error))
goto out;
if (!ostree_repo_load_variant (self, OSTREE_OBJECT_TYPE_COMMIT, parent_rev,
&commit, error))
goto out;
g_variant_get_child (commit, 1, "@ay", &parent_csum_v);
if (g_variant_n_children (parent_csum_v) == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Commit %s has no parent", parent_rev);
goto out;
}
ret_rev = ostree_checksum_from_bytes_v (parent_csum_v);
}
else
{
gs_free char *remote = NULL;
gs_free char *ref = NULL;
if (!ostree_parse_refspec (refspec, &remote, &ref, error))
goto out;
if (!resolve_refspec (self, remote, ref, allow_noent,
&ret_rev, error))
goto out;
}
}
ret = TRUE;
ot_transfer_out_value (out_rev, &ret_rev);
out:
return ret;
}
static gboolean
write_checksum_file (GFile *parentdir,
const char *name,
const char *sha256,
GError **error)
{
gboolean ret = FALSE;
gsize bytes_written;
int i;
gs_unref_object GFile *parent = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GOutputStream *out = NULL;
gs_unref_ptrarray GPtrArray *components = NULL;
if (!ostree_validate_checksum_string (sha256, error))
goto out;
if (ostree_validate_checksum_string (name, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Rev name '%s' looks like a checksum", name);
goto out;
}
if (!ot_util_path_split_validate (name, &components, error))
goto out;
if (components->len == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid empty ref name");
goto out;
}
parent = g_object_ref (parentdir);
for (i = 0; i+1 < components->len; i++)
{
child = g_file_get_child (parent, (char*)components->pdata[i]);
if (!gs_file_ensure_directory (child, FALSE, NULL, error))
goto out;
g_clear_object (&parent);
parent = child;
child = NULL;
}
child = g_file_get_child (parent, components->pdata[components->len - 1]);
if ((out = (GOutputStream*)g_file_replace (child, NULL, FALSE, 0, NULL, error)) == NULL)
goto out;
if (!g_output_stream_write_all (out, sha256, strlen (sha256), &bytes_written, NULL, error))
goto out;
if (!g_output_stream_write_all (out, "\n", 1, &bytes_written, NULL, error))
goto out;
if (!g_output_stream_close (out, NULL, error))
goto out;
ret = TRUE;
out:
return ret;
}
/**
* ostree_repo_get_config:
* @self:
@ -1752,297 +1397,6 @@ create_empty_gvariant_dict (void)
return g_variant_builder_end (&builder);
}
static gboolean
add_ref_to_set (const char *remote,
GFile *base,
GFile *child,
GHashTable *refs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
char *contents;
char *relpath;
gsize len;
GString *refname;
if (!g_file_load_contents (child, cancellable, &contents, &len, NULL, error))
goto out;
g_strchomp (contents);
refname = g_string_new ("");
if (remote)
{
g_string_append (refname, remote);
g_string_append_c (refname, ':');
}
relpath = g_file_get_relative_path (base, child);
g_string_append (refname, relpath);
g_free (relpath);
g_hash_table_insert (refs, g_string_free (refname, FALSE), contents);
ret = TRUE;
out:
return ret;
}
static gboolean
enumerate_refs_recurse (OstreeRepo *repo,
const char *remote,
GFile *base,
GFile *dir,
GHashTable *refs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFileEnumerator *enumerator = NULL;
enumerator = g_file_enumerate_children (dir, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
cancellable, error);
if (!enumerator)
goto out;
while (TRUE)
{
GFileInfo *file_info = NULL;
GFile *child = NULL;
if (!gs_file_enumerator_iterate (enumerator, &file_info, &child,
NULL, error))
goto out;
if (file_info == NULL)
break;
if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY)
{
if (!enumerate_refs_recurse (repo, remote, base, child, refs, cancellable, error))
goto out;
}
else if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_REGULAR)
{
if (!add_ref_to_set (remote, base, child, refs,
cancellable, error))
goto out;
}
}
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_list_refs (OstreeRepo *repo,
const char *refspec_prefix,
GHashTable **out_all_refs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_unref_hashtable GHashTable *ret_all_refs = NULL;
gs_free char *remote = NULL;
gs_free char *ref_prefix = NULL;
ret_all_refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
if (refspec_prefix)
{
gs_unref_object GFile *dir = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GFileInfo *info = NULL;
if (!ostree_parse_refspec (refspec_prefix, &remote, &ref_prefix, error))
goto out;
if (remote)
dir = g_file_get_child (repo->remote_heads_dir, remote);
else
dir = g_object_ref (repo->local_heads_dir);
child = g_file_resolve_relative_path (dir, ref_prefix);
if (!ot_gfile_query_info_allow_noent (child, OSTREE_GIO_FAST_QUERYINFO, 0,
&info, cancellable, error))
goto out;
if (info)
{
if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
{
if (!enumerate_refs_recurse (repo, remote, child, child,
ret_all_refs,
cancellable, error))
goto out;
}
else
{
if (!add_ref_to_set (remote, dir, child, ret_all_refs,
cancellable, error))
goto out;
}
}
}
else
{
gs_unref_object GFileEnumerator *remote_enumerator = NULL;
if (!enumerate_refs_recurse (repo, NULL, repo->local_heads_dir, repo->local_heads_dir,
ret_all_refs,
cancellable, error))
goto out;
remote_enumerator = g_file_enumerate_children (repo->remote_heads_dir, OSTREE_GIO_FAST_QUERYINFO,
0,
cancellable, error);
while (TRUE)
{
GFileInfo *info;
GFile *child;
const char *name;
if (!gs_file_enumerator_iterate (remote_enumerator, &info, &child,
cancellable, error))
goto out;
if (!info)
break;
name = g_file_info_get_name (info);
if (!enumerate_refs_recurse (repo, name, child, child,
ret_all_refs,
cancellable, error))
goto out;
}
}
ret = TRUE;
ot_transfer_out_value (out_all_refs, &ret_all_refs);
out:
return ret;
}
static gboolean
write_ref_summary (OstreeRepo *self,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
GHashTableIter hash_iter;
gpointer key, value;
gsize bytes_written;
gs_unref_hashtable GHashTable *all_refs = NULL;
gs_unref_object GFile *summary_path = NULL;
gs_unref_object GOutputStream *out = NULL;
gs_free char *buf = NULL;
if (!ostree_repo_list_refs (self, NULL, &all_refs, cancellable, error))
goto out;
summary_path = g_file_resolve_relative_path (ostree_repo_get_path (self),
"refs/summary");
out = (GOutputStream*) g_file_replace (summary_path, NULL, FALSE, 0, cancellable, error);
if (!out)
goto out;
g_hash_table_iter_init (&hash_iter, all_refs);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *name = key;
const char *sha256 = value;
g_free (buf);
buf = g_strdup_printf ("%s %s\n", sha256, name);
if (!g_output_stream_write_all (out, buf, strlen (buf), &bytes_written, cancellable, error))
goto out;
}
if (!g_output_stream_close (out, cancellable, error))
goto out;
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_write_ref (OstreeRepo *self,
const char *remote,
const char *name,
const char *rev,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFile *dir = NULL;
if (remote == NULL)
dir = g_object_ref (self->local_heads_dir);
else
{
dir = g_file_get_child (self->remote_heads_dir, remote);
if (rev != NULL)
{
if (!gs_file_ensure_directory (dir, FALSE, NULL, error))
goto out;
}
}
if (rev == NULL)
{
gs_unref_object GFile *child = g_file_resolve_relative_path (dir, name);
if (g_file_query_exists (child, NULL))
{
if (!gs_file_unlink (child, NULL, error))
goto out;
}
}
else
{
if (!write_checksum_file (dir, name, rev, error))
goto out;
if (rev != NULL)
{
if (self->mode == OSTREE_REPO_MODE_ARCHIVE
|| self->mode == OSTREE_REPO_MODE_ARCHIVE_Z2)
{
if (!write_ref_summary (self, NULL, error))
goto out;
}
}
}
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_write_refspec (OstreeRepo *self,
const char *refspec,
const char *rev,
GError **error)
{
gboolean ret = FALSE;
gs_free char *remote = NULL;
gs_free char *ref = NULL;
if (!ostree_parse_refspec (refspec, &remote, &ref, error))
goto out;
if (!ostree_repo_write_ref (self, remote, ref, rev, error))
goto out;
ret = TRUE;
out:
return ret;
}
gboolean
ostree_repo_stage_commit (OstreeRepo *self,
const char *branch,