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Can't repo init android source code mirror

I'm trying to mirror Android source code but it's not possible.
I had to upgrade python to 3.6 and update repo.
However I can't repo init android source mirror.
jeffrey#devserver:/home1/aosp/mirror$ repo init -u
https://android.googlesource.com/mirror/manifest --mirror Downloading
Repo source from https://gerrit.googlesource.com/git-repo Downloading
manifest from https://android.googlesource.com/mirror/manifest
Traceback (most recent call last): File
"/home1/aosp/mirror/.repo/repo/main.py", line 627, in
_Main(sys.argv[1:]) File "/home1/aosp/mirror/.repo/repo/main.py", line 601, in _Main
result = run() File "/home1/aosp/mirror/.repo/repo/main.py", line 594, in
run = lambda: repo._Run(name, gopts, argv) or 0 File "/home1/aosp/mirror/.repo/repo/main.py", line 260, in _Run
result = cmd.Execute(copts, cargs) File "/home1/aosp/mirror/.repo/repo/subcmds/init.py", line 519, in Execute
self._SyncManifest(opt) File "/home1/aosp/mirror/.repo/repo/subcmds/init.py", line 220, in
_SyncManifest
default_branch = m.ResolveRemoteHead() File "/home1/aosp/mirror/.repo/repo/project.py", line 1914, in
ResolveRemoteHead
output = self.bare_git.ls_remote('-q', '--symref', '--exit-code', name, 'HEAD') File "/home1/aosp/mirror/.repo/repo/project.py", line
3034, in runner
(self._project.name, name, p.stderr)) error.GitError: manifests ls-remote: usage: git ls-remote [--heads] [--tags]
[--upload-pack=]
[-q | --quiet] [--exit-code] [--get-url] [ [...]]
Can anyone help on this?
Thanks,

Your 'git ls-remote' does not have '--symref' parameter, maybe you need to update the git version.

AOSP repo sync fails on macOS Catalina

I keep having the same error while trying to do checkout AOSP source on macOS Catalina 10.15.7. Followed all the instructions on https://source.android.com/setup/build/initializing#setting-up-a-mac-os-x-build-environment, also https://source.android.com/setup/build/downloading and tried different tags. This is what happens after I invoke repo --trace sync -j1.
: git config --file /Volumes/android/aosp/.repo/projects/external/skqp.git/config --includes --null --list 1>| 2>|
: export GIT_DIR=/Volumes/android/aosp/.repo/projects/external/skqp.git
: git rev-parse --verify refs/tags/android-10.0.0_r41^0 1>| 2>|
: cd /Volumes/android/aosp/external/skqp
: git read-tree --reset -u -v HEAD 1>| 2>|
error: RPC failed; HTTP 499 curl 16 Error in the HTTP2 framing layer
fatal: the remote end hung up unexpectedly
error: Cannot checkout platform/external/skqp: GitError: Cannot initialize work tree for platform/external/skqp
: git rev-list refs/tags/android-10.0.0_r41 -1 1>| 2>|
Traceback (most recent call last):
File "/Volumes/android/aosp/.repo/repo/main.py", line 630, in <module>
_Main(sys.argv[1:])
File "/Volumes/android/aosp/.repo/repo/main.py", line 604, in _Main
result = run()
File "/Volumes/android/aosp/.repo/repo/main.py", line 597, in <lambda>
run = lambda: repo._Run(name, gopts, argv) or 0
File "/Volumes/android/aosp/.repo/repo/main.py", line 266, in _Run
result = cmd.Execute(copts, cargs)
File "/Volumes/android/aosp/.repo/repo/subcmds/sync.py", line 983, in Execute
self._Checkout(all_projects, opt, err_event, err_results)
File "/Volumes/android/aosp/.repo/repo/subcmds/sync.py", line 567, in _Checkout
self._CheckoutWorker(**kwargs)
File "/Volumes/android/aosp/.repo/repo/subcmds/sync.py", line 447, in _CheckoutWorker
return self._CheckoutOne(opt, project, *args, **kwargs)
File "/Volumes/android/aosp/.repo/repo/subcmds/sync.py", line 481, in _CheckoutOne
project.Sync_LocalHalf(syncbuf, force_sync=opt.force_sync)
File "/Volumes/android/aosp/.repo/repo/project.py", line 1223, in Sync_LocalHalf
self._InitWorkTree(force_sync=force_sync, submodules=submodules)
File "/Volumes/android/aosp/.repo/repo/project.py", line 2758, in _InitWorkTree
raise GitError('Cannot initialize work tree for ' + self.name)
error.GitError: Cannot initialize work tree for platform/external/skqp

Move Android Sources to another Machine

So, Basically I've synced all the Cm-11.0 sources to my PC. Now I had move the sources to another PC. So i thought that copying just '.repo' folder and running repo sync -l to another PC will do the trick.
Now I have .repo folder and when I run repo sync it gives the following error
dkbhadeshiya#CrayJaguar:~/android/cm11$ repo sync -j1
Fetching project CyanogenMod/android_frameworks_webview
Traceback (most recent call last):
File "/home/dkbhadeshiya/android/cm11/.repo/repo/main.py", line 500, in <module>
_Main(sys.argv[1:])
File "/home/dkbhadeshiya/android/cm11/.repo/repo/main.py", line 476, in _Main
result = repo._Run(argv) or 0
File "/home/dkbhadeshiya/android/cm11/.repo/repo/main.py", line 155, in _Run
result = cmd.Execute(copts, cargs)
File "/home/dkbhadeshiya/android/cm11/.repo/repo/subcmds/sync.py", line 635, in Execute
fetched = self._Fetch(to_fetch, opt)
File "/home/dkbhadeshiya/android/cm11/.repo/repo/subcmds/sync.py", line 339, in _Fetch
self._FetchProjectList(**kwargs)
File "/home/dkbhadeshiya/android/cm11/.repo/repo/subcmds/sync.py", line 234, in _FetchProjectList
success = self._FetchHelper(opt, project, *args, **kwargs)
File "/home/dkbhadeshiya/android/cm11/.repo/repo/subcmds/sync.py", line 275, in _FetchHelper
no_tags=opt.no_tags, archive=self.manifest.IsArchive)
File "/home/dkbhadeshiya/android/cm11/.repo/repo/project.py", line 1076, in Sync_NetworkHalf
self._UpdateHooks()
File "/home/dkbhadeshiya/android/cm11/.repo/repo/project.py", line 2098, in _UpdateHooks
self._InitHooks()
File "/home/dkbhadeshiya/android/cm11/.repo/repo/project.py", line 2126, in _InitHooks
os.symlink(os.path.relpath(stock_hook, os.path.dirname(dst)), dst)
OSError: [Errno 20] Not a directory
and when I run Repo Sync -l It gives following error:
dkbhadeshiya#CrayJaguar:~/android/cm11$ repo sync -l
error: in `sync -l`: revision refs/heads/cm-11.0 in CyanogenMod/android_abi_cpp not found
Any Idea how to solve this??

Maybe you can try this command before you sync.
repo forall -vc "git reset --hard"

Android Source: Repo not displaying any initialization message

I've followed the instructions Google has provided on downloading the Source Tree, but after I run the command
$ repo init -u https://android.googlesource.com/platform/manifest -b android-2.3.7_r1
and I receive the following error message :
$ repo init -u https://android.googlesource.com/platform/manifest -b android-2.3.7_r1
Traceback (most recent call last):
File "/Users/roboguy12/bin/repo", line 690, in <module>
main(sys.argv[1:])
File "/Users/roboguy12/bin/repo", line 657, in main_Init(args)
File "/Users/roboguy12/bin/repo", line 189, in _Init_CheckGitVersion()
File "/Users/roboguy12/bin/repo", line 214, in _CheckGitVersion
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py", line 595, in __init__
errread, errwrite)
File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py", line 1106, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
What did I do wrong? Or is this just an error on behalf of Repo?
UPDATE: Now that I've installed Python 2.7, I still have almost the exact same error message:
$ repo init -u https://android.googlesource.com/platform/manifest -b android-2.3.7_r1
Traceback (most recent call last):
File "/Users/roboguy12/bin/repo", line 690, in <module>
main(sys.argv[1:])
File "/Users/roboguy12/bin/repo", line 657, in main_Init(args)
File "/Users/roboguy12/bin/repo", line 189, in _Init_CheckGitVersion()
File "/Users/roboguy12/bin/repo", line 214, in _CheckGitVersion
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 672, in __init__
errread, errwrite)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1202, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
I call $ python -V and it says Python 2.7.1, so I don't know what else I can do.

Seems to me you might have not done a couple of things: chmod'd the repo to +x and/or put it in your $PATH statement as the first directory to look for (and could be using another version of repo). Have you tried 'ls -al' instead? The directory you're looking for is hidden and you need the -a argument in ls to view hidden files/directories.
UPDATE: Ah, just saw your update. Since you're using a Mac, you need to use Python 2.7. To do so, you'll need to MacPort it. This website provided much help to me: INSTALLING PYTHON 2.7, EASY_INSTALL, PIP, VIRTUALENV AND VIRTUALENVWRAPPER ON MAC OS X

Downloading Android source code

I am new to Android. I wanted take a look at the Andriod source and started the download process. I am having a problem in initialising the repo. I am getting a below error:
$ repo init -u https://android.googlesource.com/platform/manifest
Traceback (most recent call last):
File "/bin/repo", line 685, in <module>
main(sys.argv[1:])
File "/bin/repo", line 652, in main
_Init(args)
File "/bin/repo", line 184, in _Init
_CheckGitVersion()
File "/bin/repo", line 209, in _CheckGitVersion
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
File "/usr/lib/python2.6/subprocess.py", line 633, in __init__
errread, errwrite)
File "/usr/lib/python2.6/subprocess.py", line 1139, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory

You need to install git. The typical command would be :
$ sudo apt-get install git-core