git clone error. fatal: the remote end hung up unexpectedly

error: RPC failed;

curl 56 OpenSSL SSL_read: No error

fatal: the remote end hung up unexpectedly

fatal: early EOF

git 
-c filter.lfs.smudge= 
-c filter.lfs.required=false 
-c diff.mnemonicprefix=false 
-c core.quotepath=false 
--no-optional-locks
 clone
 --branch master 
https://user@bitbucket.org/viewer.git 
C:\Users\viewer
Cloning into 'C:\Users\viewer'...

error: RPC failed;
curl 56 OpenSSL SSL_read: No error
fatal: the remote end hung up unexpectedly
fatal: early EOF

stackoverflow.com

core-tech.jp

$ git clone --depth 1 <my_repo_URI> ./folder

$ git config http.postBuffer 52428000

$ git fetch --depth 8

$ git fetch --unshallow

$ git config http.postBuffer 52428000

$ git fetch --unshallow
remote: Counting objects: 6651, done.
remote: Compressing objects: 100% (2472/2472), done.
error: RPC failed; curl 56 OpenSSL SSL_read: No error04 MiB/s
fatal: the remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed

$ git fetch --depth 8
remote: Counting objects: 613, done.
remote: Compressing objects: 100% (410/410), done.
error: RPC failed; curl 56 OpenSSL SSL_read: No errorMiB/s
Receiving objeremote: Total 613 (delta 316), reused 441 (delta 174)
Receiving objects: 100% (613/613), 930.01 MiB | 2.23 MiB/s, done.
Resolving deltas: 100% (316/316), completed with 58 local objects.

$ git fetch --unshallow
remote: Counting objects: 6042, done.
remote: Compressing objects: 100% (2175/2175), done.
remote: Total 6042 (delta 3810), reused 5770 (delta 3616)
error: RPC failed; curl 56 OpenSSL SSL_read: No error
Receiving objects: 100% (6042/6042), 568.17 MiB | 1.67 MiB/s, done.
Resolving deltas: 100% (3810/3810), completed with 147 local objects.

これで、うまくできた。