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Abort transaction if there's not enough free space on disk.

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Close #7.
This commit is contained in:
Juan RP
2014-07-13 11:45:04 +02:00
parent 79fe312302
commit 4356b6fd65
4 changed files with 40 additions and 5 deletions
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20
lib/transaction_dictionary.c
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@@ -28,6 +28,7 @@
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/statvfs.h>
#include "xbps_api_impl.h"
@@ -58,6 +59,8 @@ compute_transaction_stats(struct xbps_handle *xhp)
xbps_dictionary_t pkg_metad;
xbps_object_iterator_t iter;
xbps_object_t obj;
struct statvfs svfs;
unsigned long rootdir_free_size;
uint64_t tsize, dlsize, instsize, rmsize;
uint32_t inst_pkgcnt, up_pkgcnt, cf_pkgcnt, rm_pkgcnt;
const char *tract, *pkgver, *repo;
@@ -101,6 +104,8 @@ compute_transaction_stats(struct xbps_handle *xhp)
!xbps_binpkg_exists(xhp, obj)) {
xbps_dictionary_get_uint64(obj,
"filename-size", &tsize);
/* signature file: 512 bytes */
tsize += 512;
dlsize += tsize;
instsize += tsize;
}
@@ -159,6 +164,21 @@ compute_transaction_stats(struct xbps_handle *xhp)
"total-removed-size", rmsize))
return EINVAL;
/* Get free space from target rootdir: return ENOSPC if there's not enough space */
if (statvfs(xhp->rootdir, &svfs) == -1) {
xbps_dbg_printf(xhp, "%s: statvfs failed: %s\n", __func__, strerror(errno));
return EINVAL;
}
/* compute free space on disk */
rootdir_free_size = svfs.f_bfree * svfs.f_bsize - instsize;
if (!xbps_dictionary_set_uint64(xhp->transd,
"disk-free-size", rootdir_free_size))
return EINVAL;
if (instsize > rootdir_free_size)
return ENOSPC;
return 0;
}