How to fix fatal: CRLF would be replaced by LF in file.txt in Git

# Check core.autocrlf setting
git config --get core.autocrlf

# Check core.safecrlf setting
git config --get core.safecrlf

# Check all line-ending related settings
git config --list | grep -E "(crlf|eol)"

# Disable safecrlf for current repository
git config core.safecrlf false

# Or set to warn instead of abort
git config core.safecrlf warn

# Now try adding the file again
git add file.txt

git config --global core.safecrlf false

git -c core.safecrlf=false add file.txt

git config core.safecrlf true

# Convert CRLF to LF using sed
sed -i 's/\r$//' file.txt

# Or using dos2unix (install if needed)
dos2unix file.txt

# Convert multiple files
find . -name "*.txt" -exec dos2unix {} \;

# dos2unix is available in Git Bash
dos2unix file.txt

# Or use Perl
perl -pi -e 's/\r\n/\n/g' file.txt

# Read content and write with Unix line endings
(Get-Content file.txt -Raw) -replace "\r\n", "\n" | Set-Content file.txt -NoNewline

# Create or edit .gitattributes in your repository root

# Set default behavior to automatically normalize line endings
* text=auto

# Explicitly declare text files to normalize
*.txt text
*.md text
*.js text
*.ts text
*.json text
*.css text
*.html text
*.xml text
*.yml text
*.yaml text

# Declare files that should always have LF endings, even on Windows
*.sh text eol=lf
*.bash text eol=lf
Makefile text eol=lf

# Declare files that should always have CRLF endings, even on Unix
*.bat text eol=crlf
*.cmd text eol=crlf
*.ps1 text eol=crlf

# Denote binary files that should not be modified
*.png binary
*.jpg binary
*.gif binary
*.ico binary
*.pdf binary
*.zip binary
*.exe binary
*.dll binary

git add .gitattributes
git commit -m "Add .gitattributes for line ending normalization"

# First, commit or stash any uncommitted changes
git stash

# Remove everything from the index
git rm --cached -r .

# Re-add all files (they will be normalized according to .gitattributes)
git reset --hard

# Alternatively, refresh the index
git add --renormalize .

# Check what changed
git status
git diff

# Commit the normalized files
git commit -m "Normalize line endings"

git add --renormalize .
git status
git commit -m "Normalize all line endings"

# Mark specific files as binary
path/to/file.dat binary
*.dat binary
*.bin binary

# Or mark them as not having text conversion
path/to/file.dat -text

# Check how Git sees the file
git check-attr -a filename

# Example output for text file:
# filename: text: auto
# filename: diff: set

# Example output for binary file:
# filename: binary: set
# filename: diff: unset

# Convert LF to CRLF on checkout, CRLF to LF on commit
git config --global core.autocrlf true

# Only convert CRLF to LF on commit (in case of Windows files)
git config --global core.autocrlf input

# No automatic conversion - rely entirely on .gitattributes
git config --global core.autocrlf false

# Apply to all team members
git config --global core.autocrlf false