As project might contain some files which size is bigger than 50M or whole project size bigger than 1G, using TFS provided tool might not work to migrate to Git. The following are steps we are going to use to migrate project to Devops.
Instructions
(Please note If you have Chocolatey already installed, you can jump to step 4)
1. Open CMD as administrator
2. run following in cmd shell to install Chocolatey package manager
@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin"
3. run following in cmd shell to test Chocolatey installation
choco
(Please note If you have Git-TFS already installed, you can jump to step 7)
4. run following in cmd shell to install gittfs through Chocolatey
choco install gittfs
5. Type "Y" when prompt to install any additional toolset.
6. run following in cmd shell to verify git-tfs installation.
git tfs help
7. run following command if want to list all TFS branches that could be cloned (Please be careful to use this command as it might take long time)
git tfs list-remote-branches http://tfsprod:8080/tfs/Marine%20Safety/
If you don't see the branch you want to clone, then it probably hasn't been configured as a branch in TFS. You can do this through Visual Studio by right-clicking on the "project" in Source Control Explorer and converting it to a branch:
8.run following command to clone only latest code. For example: MPDIS-SDDPM (You might need to set up userName and Email for git before clone: git config – global user.name "YourName" ; git config --global user.email "xx.xx@tc.gc.ca")
git tfs clone http://tfsprod:8080/tfs/Marine%20Safety/ $/MPDIS-SDDPM_Scrum/DEVELOPMENT/MPDIS-SDDPM c:\tmp\migration\mpdis
9. or Run following command to clone all histroy from TFS for all branches. For example: MPDIS-SDDPM
git tfs clone http://tfsprod:8080/tfs/Marine%20Safety/ $/MPDIS-SDDPM_Scrum/DEVELOPMENT/MPDIS-SDDPM c:\tmp\migration\mpdis --branches=all
10. Check history: git log
11. check origin: git remote -v
12. If has already attached a remote origin, we need to remove origin: git remote rm origin
13. Add devops origin: git remote add origin https://tcnarwhals@dev.azure.com/tcnarwhals/MPDIS-SDDPM_Scrum/_git/MPDIS-SDDPM_Scrum
If the DevOps Master branch has ReadMe.md file created and committed, we need to run the following commands to merge remote and local together.
git -c diff.mnemonicprefix=false -c core.quotepath=false --no-optional-locks pull --no-commit origin master --allow-unrelated-histories
git commit -m "Merge branch 'master' of https://dev.azure.com/DSD-Marine/MSS-Portfolio/_git/MPDIS-SDDPM_Scrum"
14. git push -u origin --all
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