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Go Back   Linux Archive > ArchLinux > ArchLinux Pacman Development

 
 
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Old 07-29-2012, 06:18 AM
Allan McRae
 
Default Resolve file paths during inter-package conflict check

File paths are resolved if necessary during inter-package conflict
checks so that packages carrying the same effective file due to
directory symlinks on the filesystem are flagged as conflicting.

Signed-off-by: Allan McRae <allan@archlinux.org>
---
lib/libalpm/conflict.c | 5 +++++
lib/libalpm/filelist.c | 13 +++++--------
test/pacman/tests/fileconflict001.py | 2 --
test/pacman/tests/fileconflict016.py | 2 --
test/pacman/tests/fileconflict017.py | 26 ++++++++++++++++++++++++++
5 files changed, 36 insertions(+), 12 deletions(-)
create mode 100644 test/pacman/tests/fileconflict017.py

diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index ccfe990..afef56c 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -361,12 +361,17 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
int percent = (current * 100) / numtargs;
PROGRESS(handle, ALPM_PROGRESS_CONFLICTS_START, "", percent,
numtargs, current);
+
+ _alpm_filelist_resolve(handle, alpm_pkg_get_files(p1));
+
/* CHECK 1: check every target against every target */
_alpm_log(handle, ALPM_LOG_DEBUG, "searching for file conflicts: %s
",
p1->name);
for(j = i->next; j; j = j->next) {
alpm_list_t *common_files;
alpm_pkg_t *p2 = j->data;
+ _alpm_filelist_resolve(handle, alpm_pkg_get_files(p2));
+
common_files = _alpm_filelist_intersection(alpm_pkg_get_files(p1) ,
alpm_pkg_get_files(p2));

diff --git a/lib/libalpm/filelist.c b/lib/libalpm/filelist.c
index 288907a..59bf1ec 100644
--- a/lib/libalpm/filelist.c
+++ b/lib/libalpm/filelist.c
@@ -241,21 +241,18 @@ alpm_list_t *_alpm_filelist_intersection(alpm_filelist_t *filesA,
int cmp, isdirA, isdirB;
char *strA, *strB;

- alpm_file_t *fileA = filesA->files + ctrA;
- alpm_file_t *fileB = filesB->files + ctrB;
-
isdirA = 0;
- strA = fileA->name;
+ strA = filesA->resolved_path[ctrA];
if(strA[strlen(strA)-1] == '/') {
isdirA = 1;
- strA = strndup(fileA->name, strlen(strA)-1);
+ strA = strndup(filesA->resolved_path[ctrA], strlen(strA)-1);
}

isdirB = 0;
- strB = fileB->name;
+ strB = filesB->resolved_path[ctrB];
if(strB[strlen(strB)-1] == '/') {
isdirB = 1;
- strB = strndup(fileB->name, strlen(strB)-1);
+ strB = strndup(filesB->resolved_path[ctrB], strlen(strB)-1);
}

cmp = strcmp(strA, strB);
@@ -273,7 +270,7 @@ alpm_list_t *_alpm_filelist_intersection(alpm_filelist_t *filesA,

/* when not directories, item in both qualifies as an intersect */
if(! (isdirA && isdirB)) {
- ret = alpm_list_add(ret, fileA);
+ ret = alpm_list_add(ret, filesA->files + ctrA);
}
ctrA++;
ctrB++;
diff --git a/test/pacman/tests/fileconflict001.py b/test/pacman/tests/fileconflict001.py
index e1371f8..b1ad5e1 100644
--- a/test/pacman/tests/fileconflict001.py
+++ b/test/pacman/tests/fileconflict001.py
@@ -25,5 +25,3 @@
self.addrule("!PKG_EXIST=pkg2")
self.addrule("FILE_EXIST=dir/realdir/realfile")
self.addrule("!FILE_EXIST=dir/realdir/file")
-
-self.expectfailure = True
diff --git a/test/pacman/tests/fileconflict016.py b/test/pacman/tests/fileconflict016.py
index 5625984..c5daf48 100644
--- a/test/pacman/tests/fileconflict016.py
+++ b/test/pacman/tests/fileconflict016.py
@@ -22,5 +22,3 @@
self.addrule("PACMAN_RETCODE=1")
self.addrule("!PKG_EXIST=pkg1")
self.addrule("!PKG_EXIST=pkg2")
-
-self.expectfailure = True
diff --git a/test/pacman/tests/fileconflict017.py b/test/pacman/tests/fileconflict017.py
new file mode 100644
index 0000000..3855a93
--- /dev/null
+++ b/test/pacman/tests/fileconflict017.py
@@ -0,0 +1,26 @@
+self.description = "file conflict with same effective path across packages (directory symlink - deep)"
+
+lp1 = pmpkg("filesystem", "1.0-1")
+lp1.files = ["usr/",
+ "usr/lib/",
+ "lib -> usr/lib/"]
+self.addpkg2db("local", lp1)
+
+p1 = pmpkg("pkg1")
+p1.files = ["lib/",
+ "lib/foo/",
+ "lib/foo/bar"]
+self.addpkg2db("sync", p1)
+
+p2 = pmpkg("pkg2")
+p2.files = ["usr/",
+ "usr/lib/",
+ "usr/lib/foo/",
+ "usr/lib/foo/bar"]
+self.addpkg2db("sync", p2)
+
+self.args = "-S pkg1 pkg2"
+
+self.addrule("PACMAN_RETCODE=1")
+self.addrule("!PKG_EXIST=pkg1")
+self.addrule("!PKG_EXIST=pkg2")
--
1.7.11.3
 

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