Wednesday, October 31, 2018

Remove one file from git commit to a remote branch

Ooops, I did it again. Commited and pushed one file too much.
? git push --set-upstream origin bugfix/JRASERVER-65811
What now? How to remove the file from a public commit?

Let's first go back to the base branch.
? git checkout -
Switched to branch 'develop'
Your branch is up to date with 'origin/develop'.
I assume I may have some changes in my local copy so first need to clean it. I am going to delete my local branch.
? git branch -D bugfix/JRASERVER-65811
Deleted branch bugfix/JRASERVER-65811 (was 5e17f72f).
Next step is to synchronize with remote repository and fetch the branch again.
? git pull
remote: Enumerating objects: 119, done.
remote: Counting objects: 100% (119/119), done.
remote: Compressing objects: 100% (119/119), done.
remote: Total 119 (delta 41), reused 0 (delta 0)
Receiving objects: 100% (119/119), 43.63 KiB | 1.82 MiB/s, done.
Resolving deltas: 100% (41/41), done.
From gitlab:project/frontend
   736ac14a..ea0ba57e  bugfix/JRASERVER-65811-allopenissues -> origin/bugfix/JRASERVER-65811-allopenissues
Already up to date.
I can now switch to the branch back.
? git checkout bugfix/JRASERVER-65811
Switched to a new branch 'bugfix/JRASERVER-65811'
Branch 'bugfix/JRASERVER-65811' set up to track remote branch 'bugfix/JRASERVER-65811' from 'origin'.
Time to bring the last commit into staging.
? git reset --soft HEAD^
I can see this was done by showing status.
? git status
On branch bugfix/JRASERVER-65811
Your branch is behind 'origin/bugfix/JRASERVER-65811' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)

Changes to be committed:
  (use "git reset HEAD ..." to unstage)

        new file:   src/app/lktree/lktree.component.spec.ts
        modified:   src/app/modules/spaces/data/space-datasource.ts
        modified:   src/app/modules/spaces/document-details/document-details.component.html
        modified:   src/app/modules/spaces/spaces-tree/spaces-tree.component.ts
        modified:   src/app/modules/user-context/data/user-context-datasource.ts
The first of files is the one I want to extract and unstage from to working copy. This simply undo git add.
? git reset src/app/lktree/lktree.component.spec.ts
Yeah! My changes are now in state I wanted!
? git status
On branch bugfix/JRASERVER-65811
Your branch is behind 'origin/bugfix/JRASERVER-65811' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)

Changes to be committed:
  (use "git reset HEAD ..." to unstage)

        modified:   src/app/modules/spaces/data/space-datasource.ts
        modified:   src/app/modules/spaces/document-details/document-details.component.html
        modified:   src/app/modules/spaces/spaces-tree/spaces-tree.component.ts
        modified:   src/app/modules/user-context/data/user-context-datasource.ts

Untracked files:
  (use "git add ..." to include in what will be committed)

        src/app/lktree/
I can commit again - this time the right files.
? git commit src/app/modules/spaces/ src/app/modules/user-context/data/user-context-datasource.ts -m "JRASERVER-65811: allopenissues"
[bugfix/JRASERVER-65811 80002b42] JRASERVER-65811: allopenissues
 4 files changed, 60 insertions(+), 25 deletions(-)
Last commit is to overwrite the remote branch. Do not do it at home ;)
? git push --force

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