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add_loadtarget: load package info only when needed

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This commit is contained in:
Aurelien Foret 2005-04-17 10:02:47 +00:00
parent 6dfa3ef6af
commit cd26093b06
1 changed files with 50 additions and 27 deletions
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71
lib/libalpm/add.c
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@ -50,43 +50,49 @@ extern pmhandle_t *handle;
int add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
{
pmpkg_t *info, *dummy;
pmpkg_t *info = NULL, *dummy;
char pkgname[PKG_NAME_LEN], pkgver[PKG_VERSION_LEN];
PMList *j;
struct stat buf;
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(name != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
ASSERT(name != NULL && strlen(name) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* ORE
load_pkg should be done only if pkg has to be added to the transaction */
if(stat(name, &buf)) {
pm_errno = PM_ERR_NOT_A_FILE;
goto error;
}
_alpm_log(PM_LOG_FLOW2, "reading %s", name);
info = pkg_load(name);
if(info == NULL) {
/* pm_errno is already set by pkg_load() */
return(-1);
_alpm_log(PM_LOG_FLOW2, "loading target %s", name);
if(pkg_splitname(name, pkgname, pkgver) == -1) {
pm_errno = PM_ERR_PKG_INVALID_NAME;
goto error;
}
/* no additional hyphens in version strings */
if(strchr(info->version, '-') != strrchr(info->version, '-')) {
pm_errno = PM_ERR_INVALID_NAME;
if(strchr(pkgver, '-') != strrchr(pkgver, '-')) {
pm_errno = PM_ERR_PKG_INVALID_NAME;
goto error;
}
dummy = db_get_pkgfromcache(db, info->name);
/* only upgrade/install this package if it is already installed and at a lesser version */
if(trans->flags & PM_TRANS_FLAG_FRESHEN) {
if(dummy == NULL || rpmvercmp(dummy->version, info->version) >= 0) {
pm_errno = PM_ERR_PKG_CANT_FRESH;
goto error;
}
}
/* only install this package if it is not already installed */
if(trans->type != PM_TRANS_TYPE_UPGRADE) {
/* only install this package if it is not already installed */
dummy = db_get_pkgfromcache(db, pkgname);
if(dummy) {
pm_errno = PM_ERR_PKG_INSTALLED;
goto error;
}
} else {
if(trans->flags & PM_TRANS_FLAG_FRESHEN) {
/* only upgrade/install this package if it is already installed and at a lesser version */
dummy = db_get_pkgfromcache(db, pkgname);
if(dummy == NULL || rpmvercmp(dummy->version, pkgver) >= 0) {
pm_errno = PM_ERR_PKG_CANT_FRESH;
goto error;
}
}
}
/* check if an older version of said package is already in transaction packages.
@ -96,16 +102,31 @@ int add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
for(j = trans->packages; j; j = j->next) {
pmpkg_t *pkg = j->data;
if(strcmp(pkg->name, info->name) == 0) {
if(rpmvercmp(pkg->version, info->version) < 0) {
_alpm_log(PM_LOG_WARNING, "replacing older version of %s %s by %s in target list", pkg->name, pkg->version, info->version);
if(strcmp(pkg->name, pkgname) == 0) {
if(rpmvercmp(pkg->version, pkgver) < 0) {
_alpm_log(PM_LOG_WARNING, "replacing older version of %s %s by %s in target list", pkg->name, pkg->version, pkgver);
FREEPKG(j->data);
j->data = info;
j->data = pkg_load(name);
if(j->data == NULL) {
/* pm_errno is already set by pkg_load() */
goto error;
}
}
return(0);
}
}
_alpm_log(PM_LOG_FLOW2, "reading %s", name);
info = pkg_load(name);
if(info == NULL) {
/* pm_errno is already set by pkg_load() */
goto error;
}
/* check to verify we're not getting fooled by a corrupted package */
if(strcmp(pkgname, info->name) != 0 || strcmp(pkgver, info->version) != 0) {
pm_errno = PM_ERR_PKG_INVALID;
goto error;
}
/* add the package to the transaction */
trans->packages = pm_list_add(trans->packages, info);
@ -302,6 +323,8 @@ int add_commit(pmtrans_t *trans, pmdb_t *db)
if(info->scriptlet) {
_alpm_runscriptlet(handle->root, info->data, "pre_install", info->version, NULL);
}
} else {
_alpm_log(PM_LOG_FLOW1, "adding new package (%s-%s)", info->name, info->version);
}
/* Add the package to the database */