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authorAaron Griffin <aaron@archlinux.org>2007-01-17 04:47:19 +0000
committerAaron Griffin <aaron@archlinux.org>2007-01-17 04:47:19 +0000
commit803f92b6a661f20db39263657f8726f54666960a (patch)
treeb89e8de25868b1c5e7ec07e0ed1fb6bc6b7ffe1b
parent726e90dc2c860ee6893df29f9d8cf9c886fdd66d (diff)
downloadpacman-803f92b6a661f20db39263657f8726f54666960a.tar.xz
James Rosten <seinfeld90@gmail.com>
* _alpm_remove_commit refactoring * clean up/fixes by Dan McGee <dpmcgee@gmail.com>
-rw-r--r--lib/libalpm/remove.c157
1 files changed, 77 insertions, 80 deletions
diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c
index 7d827e8f..f82d68bf 100644
--- a/lib/libalpm/remove.c
+++ b/lib/libalpm/remove.c
@@ -37,7 +37,6 @@
#include <fcntl.h>
#include <string.h>
#include <limits.h>
-#include <zlib.h>
#include <libintl.h>
/* pacman */
#include "list.h"
@@ -156,12 +155,86 @@ static int str_cmp(const void *s1, const void *s2)
return(strcmp(s1, s2));
}
+/* Helper function for iterating through a package's file and deleting them
+ * Used by _alpm_remove_commit
+*/
+static void unlink_file(pmpkg_t *info, pmlist_t *lp, pmlist_t *targ,
+ pmtrans_t *trans, int filenum, int *position)
+{
+ struct stat buf;
+ int nb = 0;
+ double percent = 0.0;
+ char *file = lp->data;
+ char line[PATH_MAX+1];
+ char *checksum = _alpm_needbackup(file, info->backup);
+
+ if ( *position != 0 ) {
+ percent = (double)*position / filenum;
+ } if ( checksum ) {
+ nb = 1;
+ FREE(checksum);
+ } if ( !nb && trans->type == PM_TRANS_TYPE_UPGRADE ) {
+ /* check noupgrade */
+ if ( _alpm_list_is_strin(file, handle->noupgrade) ) {
+ nb = 1;
+ }
+ }
+ snprintf(line, PATH_MAX, "%s%s", handle->root, file);
+ if ( lstat(line, &buf) ) {
+ _alpm_log(PM_LOG_DEBUG, _("file %s does not exist"), file);
+ return;
+ }
+ if ( S_ISDIR(buf.st_mode) ) {
+ if ( rmdir(line) ) {
+ /* this is okay, other pakcages are probably using it (like /usr) */
+ _alpm_log(PM_LOG_DEBUG, _("keeping directory %s"), file);
+ } else {
+ _alpm_log(PM_LOG_DEBUG, _("removing directory %s"), file);
+ }
+ } else {
+ /* check the "skip list" before removing the file.
+ * see the big comment block in db_find_conflicts() for an
+ * explanation. */
+ int skipit = 0;
+ pmlist_t *j;
+ for ( j = trans->skiplist; j; j = j->next ) {
+ if ( !strcmp(file, (char*)j->data) ) {
+ skipit = 1;
+ }
+ }
+ if ( skipit ) {
+ _alpm_log(PM_LOG_FLOW2, _("skipping removal of %s as it has moved to another package"),
+ file);
+ } else {
+ /* if the file is flagged, back it up to .pacsave */
+ if ( nb ) {
+ if ( !(trans->type == PM_TRANS_TYPE_UPGRADE) ) {
+ /* if it was an upgrade, the file would be left alone because
+ * pacman_add() would handle it */
+ if ( !(trans->type & PM_TRANS_FLAG_NOSAVE) ) {
+ char newpath[PATH_MAX];
+ snprintf(newpath, PATH_MAX, "%s.pacsave", line);
+ rename(line, newpath);
+ _alpm_log(PM_LOG_WARNING, _("%s saved as %s"), file);
+ }
+ }
+ } else {
+ _alpm_log(PM_LOG_FLOW2, _("unlinking %s"), file);
+ int list_count = _alpm_list_count(trans->packages); /* this way we don't have to call _alpm_list_count twice during PROGRESS */
+ PROGRESS(trans, PM_TRANS_PROGRESS_REMOVE_START, info->name, (double)(percent * 100), list_count, (list_count - _alpm_list_count(targ) + 1));
+ ++(*position);
+ }
+ if ( unlink(file) ) {
+ _alpm_log(PM_LOG_ERROR, _("cannot remove file %s"), file);
+ }
+ }
+ }
+}
+
int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
{
pmpkg_t *info;
- struct stat buf;
pmlist_t *targ, *lp;
- char line[PATH_MAX+1];
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
@@ -192,89 +265,13 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
/* iterate through the list backwards, unlinking files */
for(lp = _alpm_list_last(info->files); lp; lp = lp->prev) {
- int nb = 0;
- double percent = 0.0;
- char *file = lp->data;
- char *md5 =_alpm_needbackup(file, info->backup);
- char *sha1 =_alpm_needbackup(file, info->backup);
-
- if (position != 0) {
- percent = (double)position / filenum;
- }
- if(md5 && sha1) {
- nb = 1;
- FREE(md5);
- FREE(sha1);
- }
- if(!nb && trans->type == PM_TRANS_TYPE_UPGRADE) {
- /* check noupgrade */
- if(_alpm_list_is_strin(file, handle->noupgrade)) {
- nb = 1;
- }
- }
- snprintf(line, PATH_MAX, "%s%s", handle->root, file);
- if(lstat(line, &buf)) {
- _alpm_log(PM_LOG_DEBUG, _("file %s does not exist"), file);
- continue;
- }
- if(S_ISDIR(buf.st_mode)) {
- if(rmdir(line)) {
- /* this is okay, other packages are probably using it. */
- _alpm_log(PM_LOG_DEBUG, _("keeping directory %s"), file);
- } else {
- _alpm_log(PM_LOG_FLOW2, _("removing directory %s"), file);
- }
- } else {
- /* check the "skip list" before removing the file.
- * see the big comment block in db_find_conflicts() for an
- * explanation. */
- int skipit = 0;
- pmlist_t *j;
- for(j = trans->skiplist; j; j = j->next) {
- if(!strcmp(file, (char*)j->data)) {
- skipit = 1;
- }
- }
- if(skipit) {
- _alpm_log(PM_LOG_FLOW2, _("skipping removal of %s as it has moved to another package"),
- file);
- } else {
- /* if the file is flagged, back it up to .pacsave */
- if(nb) {
- if(trans->type == PM_TRANS_TYPE_UPGRADE) {
- /* we're upgrading so just leave the file as is. pacman_add() will handle it */
- } else {
- if(!(trans->flags & PM_TRANS_FLAG_NOSAVE)) {
- char newpath[PATH_MAX];
- snprintf(newpath, PATH_MAX, "%s.pacsave", line);
- rename(line, newpath);
- _alpm_log(PM_LOG_WARNING, _("%s saved as %s"), file, newpath);
- alpm_logaction(_("%s saved as %s"), line, newpath);
- } else {
- _alpm_log(PM_LOG_FLOW2, _("unlinking %s"), file);
- if(unlink(line)) {
- _alpm_log(PM_LOG_ERROR, _("cannot remove file %s"), file);
- }
- }
- }
- } else {
- _alpm_log(PM_LOG_FLOW2, _("unlinking %s"), file);
- /* Need at here because we count only real unlinked files ? */
- PROGRESS(trans, PM_TRANS_PROGRESS_REMOVE_START, info->name, (double)(percent * 100), _alpm_list_count(trans->packages), (_alpm_list_count(trans->packages) - _alpm_list_count(targ) +1));
- position++;
- if(unlink(line)) {
- _alpm_log(PM_LOG_ERROR, _("cannot remove file %s"), file);
- }
- }
- }
- }
+ unlink_file(info, lp, targ, trans, filenum, &position);
}
}
if(trans->type != PM_TRANS_TYPE_UPGRADE) {
/* run the post-remove script if it exists */
if(info->scriptlet && !(trans->flags & PM_TRANS_FLAG_NOSCRIPTLET)) {
- char pm_install[PATH_MAX];
snprintf(pm_install, PATH_MAX, "%s/%s-%s/install", db->path, info->name, info->version);
_alpm_runscriptlet(handle->root, pm_install, "post_remove", info->version, NULL, trans);
}