How to fix error: could not revert abc1234... commit message CONFLICT (content) in Git

First, check which files have conflicts and understand the situation:

# See which files are in conflict
git status

# Example output:
# Unmerged paths:
#   (use "git restore --staged <file>..." to unstage)
#   (use "git add <file>..." to mark resolution)
#
#       both modified:   src/utils.js

The "both modified" status indicates files where Git couldn't automatically apply the revert.

Open each conflicted file and look for conflict markers:

<<<<<<< HEAD
// Current code in your branch
const result = processData(input);
=======
// What Git tried to apply from the revert
const result = handleData(input);
>>>>>>> parent of abc1234 (original commit message)

The section between <<<<<<< HEAD and ======= shows your current code. The section between ======= and >>>>>>> shows what the revert is trying to restore.

Edit each file to produce the desired final state:

1. Remove all conflict markers (<<<<<<<, =======, >>>>>>>)
2. Keep the code you want—this might be one version, the other, or a combination
3. Save the file

For example, if you want to keep the current code and not apply the revert:

// Keep the current version
const result = processData(input);

Or if you want the reverted version:

// Restore the original code
const result = handleData(input);

After resolving conflicts in each file, stage them to mark them as resolved:

# Stage a specific resolved file
git add src/utils.js

# Or stage all resolved files
git add .

# Verify the status
git status
# Should now show: "all conflicts fixed: run 'git revert --continue'"

Important: Only run git add after you've removed all conflict markers from the file.

Once all conflicts are resolved and staged, complete the revert:

git revert --continue

This opens your default editor to confirm or modify the commit message. Save and close to complete the revert commit.

If you want to use the default message without editing:

git revert --continue --no-edit

If you decide not to proceed with the revert, you can abort it entirely:

# Abort and return to the state before the revert
git revert --abort

This discards all conflict resolution work and restores your working directory to its pre-revert state. Use this when:
- The conflicts are too complex to resolve cleanly
- You realize the revert isn't the right approach
- You need more time to understand the changes before proceeding

If you're reverting multiple commits and want to skip one:

# Skip the current problematic commit
git revert --skip

This skips the current commit and continues with the remaining commits in the revert sequence. Only use this when you've started a multi-commit revert with a range like:

git revert HEAD~3..HEAD

For certain scenarios, you can use merge strategy options to automatically resolve conflicts:

# Favor the current branch's version (effectively skip conflicting changes)
git revert -X ours <commit-hash>

# Favor the reverted version (apply revert even if it overwrites newer changes)
git revert -X theirs <commit-hash>

Warning: Using these options blindly may discard important changes. Only use when you understand the implications and have verified the result is correct.