From 6d1dcf7937ba3739d17eda614591d1f59ac0bf3a Mon Sep 17 00:00:00 2001
From: Andrew Gregory <andrew.gregory.8@gmail.com>
Date: Sat, 15 Apr 2017 18:12:56 -0400
Subject: conflict: include owner for filesystem conflicts

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
---
 lib/libalpm/conflict.c                             | 25 +++++++++++++++++-----
 src/pacman/sync.c                                  |  9 ++++++--
 test/pacman/tests/TESTS                            |  1 +
 .../tests/file-conflict-with-installed-pkg.py      | 17 +++++++++++++++
 4 files changed, 45 insertions(+), 7 deletions(-)
 create mode 100644 test/pacman/tests/file-conflict-with-installed-pkg.py

diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index 0e37419f..d52f8942 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -278,12 +278,15 @@ static alpm_list_t *add_fileconflict(alpm_handle_t *handle,
 
 	STRDUP(conflict->target, pkg1->name, goto error);
 	STRDUP(conflict->file, filestr, goto error);
-	if(pkg2) {
-		conflict->type = ALPM_FILECONFLICT_TARGET;
-		STRDUP(conflict->ctarget, pkg2->name, goto error);
-	} else {
+	if(!pkg2) {
 		conflict->type = ALPM_FILECONFLICT_FILESYSTEM;
 		STRDUP(conflict->ctarget, "", goto error);
+	} else if(pkg2->origin == ALPM_PKG_FROM_LOCALDB) {
+		conflict->type = ALPM_FILECONFLICT_FILESYSTEM;
+		STRDUP(conflict->ctarget, pkg2->name, goto error);
+	} else {
+		conflict->type = ALPM_FILECONFLICT_TARGET;
+		STRDUP(conflict->ctarget, pkg2->name, goto error);
 	}
 
 	conflicts = alpm_list_add(conflicts, conflict);
@@ -385,6 +388,17 @@ static alpm_list_t *alpm_db_find_file_owners(alpm_db_t* db, const char *path)
 	return owners;
 }
 
+static alpm_pkg_t *_alpm_find_file_owner(alpm_handle_t *handle, const char *path)
+{
+	alpm_list_t *i;
+	for(i = alpm_db_get_pkgcache(handle->db_local); i; i = i->next) {
+		if(alpm_filelist_contains(alpm_pkg_get_files(i->data), path)) {
+			return i->data;
+		}
+	}
+	return NULL;
+}
+
 static int _alpm_can_overwrite_file(alpm_handle_t *handle, const char *path)
 {
 	return handle->trans->flags & ALPM_TRANS_FLAG_FORCE
@@ -668,7 +682,8 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
 			}
 
 			if(!resolved_conflict) {
-				conflicts = add_fileconflict(handle, conflicts, path, p1, NULL);
+				conflicts = add_fileconflict(handle, conflicts, path, p1,
+						_alpm_find_file_owner(handle, relative_path));
 				if(handle->pm_errno == ALPM_ERR_MEMORY) {
 					alpm_list_free_inner(conflicts,
 							(alpm_list_fn_free) alpm_conflict_free);
diff --git a/src/pacman/sync.c b/src/pacman/sync.c
index e37b91c7..680d7b3e 100644
--- a/src/pacman/sync.c
+++ b/src/pacman/sync.c
@@ -823,8 +823,13 @@ int sync_prepare_execute(void)
 									conflict->file, conflict->target, conflict->ctarget);
 							break;
 						case ALPM_FILECONFLICT_FILESYSTEM:
-							printf(_("%s: %s exists in filesystem\n"),
-									conflict->target, conflict->file);
+							if(conflict->ctarget[0]) {
+								printf(_("%s: %s exists in filesystem (owned by %s)\n"),
+										conflict->target, conflict->file, conflict->ctarget);
+							} else {
+								printf(_("%s: %s exists in filesystem\n"),
+										conflict->target, conflict->file);
+							}
 							break;
 					}
 					alpm_fileconflict_free(conflict);
diff --git a/test/pacman/tests/TESTS b/test/pacman/tests/TESTS
index 4dfa3bdb..309eb17e 100644
--- a/test/pacman/tests/TESTS
+++ b/test/pacman/tests/TESTS
@@ -28,6 +28,7 @@ TESTS += test/pacman/tests/epoch005.py
 TESTS += test/pacman/tests/epoch010.py
 TESTS += test/pacman/tests/epoch011.py
 TESTS += test/pacman/tests/epoch012.py
+TESTS += test/pacman/tests/file-conflict-with-installed-pkg.py
 TESTS += test/pacman/tests/fileconflict001.py
 TESTS += test/pacman/tests/fileconflict002.py
 TESTS += test/pacman/tests/fileconflict003.py
diff --git a/test/pacman/tests/file-conflict-with-installed-pkg.py b/test/pacman/tests/file-conflict-with-installed-pkg.py
new file mode 100644
index 00000000..cf88e8a9
--- /dev/null
+++ b/test/pacman/tests/file-conflict-with-installed-pkg.py
@@ -0,0 +1,17 @@
+self.description = "File conflict with an installed package"
+
+lp = pmpkg("foobar")
+lp.files = ["conflicting-file"]
+self.addpkg2db("local", lp)
+
+p1 = pmpkg("pkg1")
+p1.files = ["conflicting-file"]
+self.addpkg(p1)
+
+self.args = "-U %s" % (p1.filename())
+
+self.addrule("!PACMAN_RETCODE=0")
+self.addrule("PKG_EXIST=foobar")
+self.addrule("!PKG_EXIST=pkg1")
+self.addrule("FILE_EXIST=conflicting-file")
+self.addrule("PACMAN_OUTPUT=foobar")
-- 
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