wraptool: Remove dead code

Update command is implemented in msubprojects.py, because it can update
all wraps in parallel.

mesonbuild/wrap/wraptool.py

@@ -20,7 +20,7 @@ import typing as T
 
 from glob import glob
 from .wrap import (open_wrapdburl, WrapException, get_releases, get_releases_data,
-                   update_wrap_file, parse_patch_url)
+                   parse_patch_url)
 from pathlib import Path
 
 from .. import mesonlib, msubprojects
@@ -134,31 +134,6 @@ def get_current_version(wrapfile: str) -> T.Tuple[str, str, str, str, T.Optional
         patch_filename = wrap_data['patch_filename']
     return branch, revision, wrap_data['directory'], wrap_data['source_filename'], patch_filename
 
-def update(options: 'argparse.Namespace') -> None:
-    name = options.name
-    if not os.path.isdir('subprojects'):
-        raise SystemExit('Subprojects dir not found. Run this command in your source root directory.')
-    wrapfile = os.path.join('subprojects', name + '.wrap')
-    if not os.path.exists(wrapfile):
-        raise SystemExit('Project ' + name + ' is not in use.')
-    (branch, revision, subdir, src_file, patch_file) = get_current_version(wrapfile)
-    (new_branch, new_revision) = get_latest_version(name, options.allow_insecure)
-    if new_branch == branch and new_revision == revision:
-        print('Project ' + name + ' is already up to date.')
-        raise SystemExit
-    update_wrap_file(wrapfile, name, new_branch, new_revision, options.allow_insecure)
-    shutil.rmtree(os.path.join('subprojects', subdir), ignore_errors=True)
-    try:
-        os.unlink(os.path.join('subprojects/packagecache', src_file))
-    except FileNotFoundError:
-        pass
-    if patch_file is not None:
-        try:
-            os.unlink(os.path.join('subprojects/packagecache', patch_file))
-        except FileNotFoundError:
-            pass
-    print(f'Updated {name} version {new_branch} revision {new_revision}')
-
 def info(options: 'argparse.Namespace') -> None:
     name = options.name
     releases = get_releases(options.allow_insecure)