def check_for_collisions(parts):
"""Raises a SnapcraftPartConflictError if conflicts are found."""
parts_files = {}
for part in parts:
# Gather our own files up
part_files, _ = part.migratable_fileset_for('stage')
# Scan previous parts for collisions
for other_part_name in parts_files:
common = part_files & parts_files[other_part_name]['files']
conflict_files = []
for f in common:
this = os.path.join(part.installdir, f)
other = os.path.join(
parts_files[other_part_name]['installdir'], f)
if os.path.exists(this) and os.path.exists(other):
if os.path.islink(this) and os.path.islink(other):
continue
if _file_collides(this, other):
conflict_files.append(f)
if conflict_files:
raise errors.SnapcraftPartConflictError(
other_part_name=other_part_name,
part_name=part.name,
conflict_files=conflict_files)
# And add our files to the list
parts_files[part.name] = {
'files': part_files,
'installdir': part.installdir
}
def check_for_collisions(parts):
"""Raises a SnapcraftPartConflictError if conflicts are found."""
parts_files = {}
for part in parts:
# Gather our own files up
part_files, part_directories = part.migratable_fileset_for(steps.STAGE)
part_contents = part_files | part_directories
# Scan previous parts for collisions
for other_part_name in parts_files:
common = part_contents & parts_files[other_part_name]["files"]
conflict_files = []
for f in common:
this = os.path.join(part.plugin.installdir, f)
other = os.path.join(parts_files[other_part_name]["installdir"], f)
if _paths_collide(this, other):
conflict_files.append(f)
if conflict_files:
raise errors.SnapcraftPartConflictError(
other_part_name=other_part_name,
part_name=part.name,
conflict_files=conflict_files,
)
# And add our files to the list
parts_files[part.name] = {
"files": part_contents,
"installdir": part.plugin.installdir,
}
