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Fixes for the ineptitude of libalpm DB registration

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When a DB is "registered" in libalpm, it goes and tries to create paths and
other BS which is stupid, but a pain in the butt to fix. For now, work
around this terrible behavior by ensuring our paths are always set before we
call any alpm_db_register function.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2007-12-02 12:56:57 -06:00
parent 4845207fd4
commit 8a474e8735
1 changed files with 61 additions and 45 deletions
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106
src/pacman/pacman.c
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@ -230,6 +230,61 @@ static void cleanup(int signum)
exit(signum);
}
/** Sets all libalpm required paths in one go. Called after the command line and
* inital config file parsing. Once this is complete, we can see if any paths were
* defined. If a rootdir was defined and nothing else, we want all of our paths to
* live under the rootdir that was specified. Safe to call multiple times (will only
* do anything the first time).
*/
static void setlibpaths(void)
{
static int init = 0;
if (!init) {
int ret = 0;
pm_printf(PM_LOG_DEBUG, "setlibpaths() called\n");
if(config->rootdir) {
char path[PATH_MAX];
ret = alpm_option_set_root(config->rootdir);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting rootdir '%s' (%s)\n"),
config->rootdir, alpm_strerrorlast());
cleanup(ret);
}
if(!config->dbpath) {
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), DBPATH);
config->dbpath = strdup(path);
}
if(!config->logfile) {
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), LOGFILE);
ret = alpm_option_set_dbpath(path);
config->logfile = strdup(path);
}
}
if(config->dbpath) {
ret = alpm_option_set_dbpath(config->dbpath);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting dbpath '%s' (%s)\n"),
config->dbpath, alpm_strerrorlast());
cleanup(ret);
}
}
if(config->logfile) {
ret = alpm_option_set_logfile(config->logfile);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting logfile '%s' (%s)\n"),
config->logfile, alpm_strerrorlast());
cleanup(ret);
}
}
/* add a default cachedir if one wasn't specified */
if(alpm_option_get_cachedirs() == NULL) {
alpm_option_add_cachedir(CACHEDIR);
}
}
}
/** Parse command-line arguments for each operation.
* @param argc argc
* @param argv argv
@ -502,8 +557,11 @@ static int _parseconfig(const char *file, const char *givensection,
file, linenum);
return(1);
}
/* if we are not looking at the options section, register a db */
/* if we are not looking at the options section, register a db and also
* ensure we have set all of our library paths as the library is too stupid
* at the moment to do lazy opening of the databases */
if(strcmp(section, "options") != 0) {
setlibpaths();
db = alpm_db_register_sync(section);
}
} else {
@ -696,6 +754,8 @@ static int _parseconfig(const char *file, const char *givensection,
free(section);
}
/* call setlibpaths here to ensure we have called it at least once */
setlibpaths();
pm_printf(PM_LOG_DEBUG, "config: finished parsing %s\n", file);
return(0);
}
@ -785,50 +845,6 @@ int main(int argc, char *argv[])
cleanup(ret);
}
/* Oh paths, what a mess. Now that we have parsed the command line and config
* file, we can see if any paths were defined. If a rootdir was defined and
* nothing else, we want all of our paths to live under the rootdir that was
* specified. */
if(config->rootdir) {
char path[PATH_MAX];
ret = alpm_option_set_root(config->rootdir);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting rootdir '%s' (%s)\n"),
config->rootdir, alpm_strerrorlast());
cleanup(ret);
}
if(!config->dbpath) {
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), DBPATH);
config->dbpath = strdup(path);
}
if(!config->logfile) {
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), LOGFILE);
ret = alpm_option_set_dbpath(path);
config->logfile = strdup(path);
}
}
if(config->dbpath) {
ret = alpm_option_set_dbpath(config->dbpath);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting dbpath '%s' (%s)\n"),
config->dbpath, alpm_strerrorlast());
cleanup(ret);
}
}
if(config->logfile) {
ret = alpm_option_set_logfile(config->logfile);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting logfile '%s' (%s)\n"),
config->logfile, alpm_strerrorlast());
cleanup(ret);
}
}
/* add a default cachedir if one wasn't specified */
if(alpm_option_get_cachedirs() == NULL) {
alpm_option_add_cachedir(CACHEDIR);
}
#if defined(HAVE_GETEUID)
/* check if we have sufficient permission for the requested operation */
if(myuid > 0 && needs_transaction()) {