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authorTimo Teräs <timo.teras@iki.fi>2011-03-16 16:52:14 +0200
committerTimo Teräs <timo.teras@iki.fi>2011-03-16 16:53:07 +0200
commit93eb38a31ae97f1cb470f18c6019ede19c5c314e (patch)
tree55d46db3a9accd28bb19dc95127a40e96e1b59a5 /src/database.c
parent2222a15eddad9c5fac8d032f51f65811c0947495 (diff)
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db: relocate from /var/lib/apk
move all files therein to other places. this allows /var to be mounted from harddisk, but rest of system be run from ramdisk. this also removes support for historical version of the scripts database which was obsoleted in 2.0_pre16 (in July 2009).
Diffstat (limited to 'src/database.c')
-rw-r--r--src/database.c106
1 files changed, 59 insertions, 47 deletions
diff --git a/src/database.c b/src/database.c
index 6f00aa1..5d8cc38 100644
--- a/src/database.c
+++ b/src/database.c
@@ -52,10 +52,27 @@ unsigned int apk_flags = 0;
const char *apk_arch = APK_DEFAULT_ARCH;
const char * const apkindex_tar_gz = "APKINDEX.tar.gz";
-static const char * const apk_static_cache_dir = "var/lib/apk";
+static const char * const apk_static_cache_dir = "var/cache/apk";
static const char * const apk_linked_cache_dir = "etc/apk/cache";
+
static const char * const apk_lock_file = "var/lock/apkdb";
+static const char * const apk_world_file = "etc/apk/world";
+static const char * const apk_world_file_tmp = "etc/apk/world.new";
+static const char * const apk_world_file_old = "var/lib/apk/world";
+
+static const char * const apk_scripts_file = "lib/apk/db/scripts.tar";
+static const char * const apk_scripts_file_tmp = "lib/apk/db/scripts.tar.new";
+static const char * const apk_scripts_file_old = "var/lib/apk/scripts.tar";
+
+static const char * const apk_triggers_file = "lib/apk/db/triggers";
+static const char * const apk_triggers_file_tmp = "lib/apk/db/triggers.new";
+static const char * const apk_triggers_file_old = "var/lib/apk/triggers";
+
+static const char * const apk_installed_file = "lib/apk/db/installed";
+static const char * const apk_installed_file_tmp = "lib/apk/db/installed.new";
+static const char * const apk_installed_file_old = "var/lib/apk/installed";
+
struct install_ctx {
struct apk_database *db;
struct apk_package *pkg;
@@ -784,30 +801,6 @@ static int apk_db_scriptdb_write(struct apk_database *db, struct apk_ostream *os
return apk_tar_write_entry(os, NULL, NULL);
}
-static int apk_db_scriptdb_read_v1(struct apk_database *db, struct apk_istream *is)
-{
- struct apk_package *pkg;
- struct {
- unsigned char md5sum[16];
- unsigned int type;
- unsigned int size;
- } hdr;
- struct apk_checksum csum;
-
- while (is->read(is, &hdr, sizeof(hdr)) == sizeof(hdr)) {
- memcpy(csum.data, hdr.md5sum, sizeof(hdr.md5sum));
- csum.type = APK_CHECKSUM_MD5;
-
- pkg = apk_db_get_pkg(db, &csum);
- if (pkg != NULL && pkg->ipkg != NULL)
- apk_ipkg_add_script(pkg->ipkg, is, hdr.type, hdr.size);
- else
- apk_istream_skip(is, hdr.size);
- }
-
- return 0;
-}
-
static int apk_read_script_archive_entry(void *ctx,
const struct apk_file_info *ae,
struct apk_istream *is)
@@ -920,7 +913,7 @@ static int apk_db_read_state(struct apk_database *db, int flags)
* 6. script db
*/
if (!(flags & APK_OPENF_NO_WORLD)) {
- blob = apk_blob_from_file(db->root_fd, "var/lib/apk/world");
+ blob = apk_blob_from_file(db->root_fd, apk_world_file);
if (APK_BLOB_IS_NULL(blob))
return -ENOENT;
apk_deps_parse(db, &db->world, blob);
@@ -931,7 +924,7 @@ static int apk_db_read_state(struct apk_database *db, int flags)
}
if (!(flags & APK_OPENF_NO_INSTALLED)) {
- bs = apk_bstream_from_file(db->root_fd, "var/lib/apk/installed");
+ bs = apk_bstream_from_file(db->root_fd, apk_installed_file);
if (bs != NULL) {
r = apk_db_index_read(db, bs, -1);
bs->close(bs, NULL);
@@ -939,7 +932,7 @@ static int apk_db_read_state(struct apk_database *db, int flags)
return -1;
}
- bs = apk_bstream_from_file(db->root_fd, "var/lib/apk/triggers");
+ bs = apk_bstream_from_file(db->root_fd, apk_triggers_file);
if (bs != NULL) {
apk_db_triggers_read(db, bs);
bs->close(bs, NULL);
@@ -947,17 +940,12 @@ static int apk_db_read_state(struct apk_database *db, int flags)
}
if (!(flags & APK_OPENF_NO_SCRIPTS)) {
- is = apk_istream_from_file(db->root_fd, "var/lib/apk/scripts.tar");
+ is = apk_istream_from_file(db->root_fd, apk_scripts_file);
if (is != NULL) {
apk_tar_parse(is, apk_read_script_archive_entry, db,
FALSE, &db->id_cache);
- } else {
- is = apk_istream_from_file(db->root_fd, "var/lib/apk/scripts");
- if (is != NULL)
- apk_db_scriptdb_read_v1(db, is);
- }
- if (is != NULL)
is->close(is);
+ }
}
return 0;
@@ -1047,14 +1035,18 @@ static int apk_db_create(struct apk_database *db)
mkdirat(db->root_fd, "tmp", 01777);
mkdirat(db->root_fd, "dev", 0755);
mknodat(db->root_fd, "dev/null", 0666, makedev(1, 3));
+ mkdirat(db->root_fd, "etc", 0755);
+ mkdirat(db->root_fd, "etc/apk", 0755);
+ mkdirat(db->root_fd, "lib", 0755);
+ mkdirat(db->root_fd, "lib/apk", 0755);
+ mkdirat(db->root_fd, "lib/apk/db", 0755);
mkdirat(db->root_fd, "var", 0755);
- mkdirat(db->root_fd, "var/lib", 0755);
- mkdirat(db->root_fd, "var/lib/apk", 0755);
mkdirat(db->root_fd, "var/cache", 0755);
+ mkdirat(db->root_fd, "var/cache/apk", 0755);
mkdirat(db->root_fd, "var/cache/misc", 0755);
mkdirat(db->root_fd, "var/lock", 0755);
- fd = openat(db->root_fd, "var/lib/apk/world", O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, 0644);
+ fd = openat(db->root_fd, apk_world_file, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, 0644);
if (fd < 0)
return -errno;
close(fd);
@@ -1117,6 +1109,24 @@ static int do_remount(const char *path, const char *option)
return WEXITSTATUS(status);
}
+static void relocate_database(struct apk_database *db)
+{
+ mkdirat(db->root_fd, "etc", 0755);
+ mkdirat(db->root_fd, "etc/apk", 0755);
+ mkdirat(db->root_fd, "lib", 0755);
+ mkdirat(db->root_fd, "lib/apk", 0755);
+ mkdirat(db->root_fd, "lib/apk/db", 0755);
+ mkdirat(db->root_fd, "var", 0755);
+ mkdirat(db->root_fd, "var/cache", 0755);
+ mkdirat(db->root_fd, "var/cache/apk", 0755);
+ mkdirat(db->root_fd, "var/cache/misc", 0755);
+ mkdirat(db->root_fd, "var/lock", 0755);
+ apk_move_file(db->root_fd, apk_world_file_old, apk_world_file);
+ apk_move_file(db->root_fd, apk_scripts_file_old, apk_scripts_file);
+ apk_move_file(db->root_fd, apk_triggers_file_old, apk_triggers_file);
+ apk_move_file(db->root_fd, apk_installed_file_old, apk_installed_file);
+}
+
int apk_db_open(struct apk_database *db, struct apk_db_options *dbopts)
{
const char *msg = NULL;
@@ -1164,6 +1174,9 @@ int apk_db_open(struct apk_database *db, struct apk_db_options *dbopts)
apk_id_cache_init(&db->id_cache, db->root_fd);
if (dbopts->open_flags & APK_OPENF_WRITE) {
+ if (faccessat(db->root_fd, apk_installed_file_old, F_OK, 0) == 0)
+ relocate_database(db);
+
db->lock_fd = openat(db->root_fd, apk_lock_file,
O_CREAT | O_RDWR | O_CLOEXEC, 0400);
if (db->lock_fd < 0 && errno == ENOENT &&
@@ -1331,8 +1344,8 @@ int apk_db_write_config(struct apk_database *db)
}
os = apk_ostream_to_file(db->root_fd,
- "var/lib/apk/world",
- "var/lib/apk/world.new",
+ apk_world_file,
+ apk_world_file_tmp,
0644);
if (os == NULL)
return -1;
@@ -1344,8 +1357,8 @@ int apk_db_write_config(struct apk_database *db)
return r;
os = apk_ostream_to_file(db->root_fd,
- "var/lib/apk/installed",
- "var/lib/apk/installed.new",
+ apk_installed_file,
+ apk_installed_file_tmp,
0644);
if (os == NULL)
return -1;
@@ -1355,8 +1368,8 @@ int apk_db_write_config(struct apk_database *db)
return r;
os = apk_ostream_to_file(db->root_fd,
- "var/lib/apk/scripts.tar",
- "var/lib/apk/scripts.tar.new",
+ apk_scripts_file,
+ apk_scripts_file_tmp,
0644);
if (os == NULL)
return -1;
@@ -1365,12 +1378,11 @@ int apk_db_write_config(struct apk_database *db)
if (r < 0)
return r;
- unlinkat(db->root_fd, "var/lib/apk/scripts", 0);
apk_db_index_write_nr_cache(db);
os = apk_ostream_to_file(db->root_fd,
- "var/lib/apk/triggers",
- "var/lib/apk/triggers.new",
+ apk_triggers_file,
+ apk_triggers_file_tmp,
0644);
if (os == NULL)
return -1;