http://stackoverflow.com/questions/36546774/gitlab-repository-corrupted-showing-500-error-on-frontend
1. # cd gitlab/repositories/<namespace>/<reponame>.git
2. # git fsck
If any error like below
error: object file objects/11/fbf0dfb1a54283e84044b5e99230efbafd77d8 is empty
error: object file objects/11/fbf0dfb1a54283e84044b5e99230efbafd77d8 is empty
fatal: loose object 11fbf0dfb1a54283e84044b5e99230efbafd77d8 (stored in objects/11/fbf0dfb1a54283e84044b5e99230efbafd77d8) is corrupt
3. # find . –size 0 –delete
This will delete all files which has 0 byte size and corrupt
4. # git fsck
Checking object directories: 100% (256/256), done.
Checking objects: 100% (4970/4970), done.
error: HEAD: not a commit
error: refs/heads/master: not a commit
dangling commit de516dd3d99d13147b6e2f946fe5b8c0660e4eed
5. Try to push code from local without add and commit
# git push origin <branch>
If got below error
remote: error: Could not read 5329f756010fad47026f112dc7126bdaa2f9ad7f
remote: fatal: Failed to traverse parents of commit 8eecd866caa916a3b2e8550153f0bb5a54a28919
remote: aborting due to possible repository corruption on the remote side.
fatal: protocol error: bad pack header
6. Go to cd gitlab/repositories/<namespace>/<reponame>.git
# rm –fr ref/head/<branchname>
# git fsck
notice: HEAD points to an unborn branch (master)
Checking object directories: 100% (256/256), done.
notice: No default references
dangling commit eb84ebc9010ea3d3d5646b4eab1bacd358178fbd
7. Try to push code from local without add and commit
# git push origin <branch>
具体执行指令如下：
df -h
2000 cd /var/
2001 ls
2002 cd opt/
2003 ls
2004 cd gitlab/
2005 ls
2006 cd git-data/
2007 ls
2008 cd repositories/
2009 ls
2010 cd htk-app/
2011 ls
2012 ls -l
2013 ls -ll
2014 cd ios.git/
2015 ls
2016 ls -ll
2017 git fsck
2018 find . –size 0 –delete
2019 git fsck
2020 find . -size 0 -delete
2021 git fsck
2022 git push origin
2023 ls
2024 pwd
2025 cd refs/heads/
2026 cd ..
2027 cd head
2028 cd heads
2029 ls
2030 cd ../..
2031 ls
2032 rm -fr refs/heads/develop1.1
2033 git fsck
2034 git push origin develop1.1
2035 git push origin
2036 history