checkout-branch-worktree

   1 #!/usr/bin/env python3
   2
   3 import argparse
   4 import json
   5 import os
   6 import subprocess
   7 import xml.etree.ElementTree as ET
   8 import sys
   9
  10 from common import git
  11 from common import Colors
  12 from common import get_meson
  13 from common import accept_command
  14
  15
  16 SCRIPTDIR = os.path.normpath(os.path.dirname(__file__))
  17
  18
  19 def checkout_subprojects(worktree_dir, branch):
  20     subprojects_dir = os.path.join(SCRIPTDIR, "subprojects")
  21     worktree_subdir = os.path.join(worktree_dir, "subprojects")
  22
  23     meson = get_meson()
  24     installed_s = subprocess.check_output(meson + ['introspect', options.builddir, '--projectinfo'])
  25     for subproj in json.loads(installed_s.decode())["subprojects"]:
  26         repo_name = subproj["name"]
  27         if not repo_name.startswith("gst"):
  28             continue
  29
  30         repo_dir = os.path.normpath(os.path.join(SCRIPTDIR, subprojects_dir, repo_name))
  31         if not os.path.exists(os.path.join(repo_dir, '.git')):
  32             continue
  33
  34         workdir = os.path.normpath(os.path.join(worktree_subdir, repo_name))
  35         if not checkout_worktree(repo_name, repo_dir, workdir, branch):
  36             return False
  37
  38     return True
  39
  40
  41 def checkout_worktree(repo_name, repo_dir, worktree_dir, branch):
  42     print("Checking out worktree %s in %s (branch %s)" % (repo_name, worktree_dir, branch))
  43     try:
  44         git("worktree", "add", worktree_dir, branch, repository_path=repo_dir)
  45     except Exception as e:
  46         out = getattr(e, "output", b"").decode()
  47         print("\nCould not checkout worktree %s, please fix and try again."
  48               " Error:\n\n%s %s" % (repo_dir, out, e))
  49
  50         return False
  51
  52     commit_message = git("show", "--shortstat", repository_path=repo_dir).split("\n")
  53     print(u"  -> %s%s%s - %s" % (Colors.HEADER, repo_dir, Colors.ENDC,
  54                                     commit_message[4].strip()))
  55
  56     return True
  57
  58
  59 if __name__ == "__main__":
  60     parser = argparse.ArgumentParser(prog="git-update")
  61
  62
  63     parser.add_argument('worktree_dir', metavar='worktree_dir', type=str,
  64                         help='The directory where to checkout the new worktree')
  65     parser.add_argument('branch', metavar='branch', type=str,
  66                         help='The branch to checkout')
  67     parser.add_argument("--no-color",
  68                         default=False,
  69                         action='store_true',
  70                         help="Do not output ansi colors.")
  71     parser.add_argument("--builddir", '-C',
  72                         default=os.path.join(SCRIPTDIR, "build"),
  73                         help="The meson build directory")
  74     options = parser.parse_args()
  75
  76     if options.no_color:
  77         Colors.disable()
  78
  79     if not os.path.exists(options.builddir):
  80         print("GStreamer not built in %s\n\nBuild it and try again" %
  81               options.builddir)
  82         exit(1)
  83
  84     options.worktree_dir = os.path.abspath(options.worktree_dir)
  85     if not checkout_worktree('gst-build', SCRIPTDIR, options.worktree_dir, options.branch):
  86         exit(1)
  87     if not checkout_subprojects(options.worktree_dir, options.branch):
  88         exit(1)