These two Git commands apply staged changes to a repository, but the second command additionally resets the working directory and index before allowing for selective staging of changes.

Run example

npm run import -- "git discard whitespace"

git discard whitespace

git diff -U0 -w --no-color | git apply --cached --ignore-whitespace --unidiff-zero -

git diff -w --no-color | git apply --cached --ignore-whitespace && git checkout -- . && git reset && git add -p

#!/bin/bash

# Define the git stash functionality
stash_changes() {
  # Generate a patch from the unstaged changes
  local patch=$(git diff -U0 -w --no-color)
  # Apply the patch to the index
  git apply --cached --ignore-whitespace --unidiff-zero <(echo "$patch")
}

# Define the git reset functionality
reset_git() {
  # Generate a patch from the unstaged changes
  local patch=$(git diff -w --no-color)
  # Apply the patch to the index
  git apply --cached --ignore-whitespace <(echo "$patch")
  # Checkout the modified files
  git checkout --.
  # Reset the index
  git reset
  # Stage the files interactively
  git add -p
}

# Usage:
stash_changes   # Stash changes in the index
reset_git       # Reset the index and stage the files interactively

These are two commands used for applying changes to a Git repository, but they handle the process differently.

Command 1:

git diff -U0 -w --no-color | git apply --cached --ignore-whitespace --unidiff-zero -

• git diff -U0 -w --no-color: This part generates a unified diff (-U0) without whitespace changes (-w) and color (-no-color).
• | git apply --cached --ignore-whitespace --unidiff-zero -: This pipes the diff output to git apply.
  • --cached: Applies the changes from the staging area (index).
  • --ignore-whitespace: Ignores whitespace differences.
  • --unidiff-zero: Handles diffs with only one line changes.

In essence, this command applies staged changes to the working directory, ignoring whitespace differences and handling single-line changes specifically.

Command 2:

git diff -w --no-color | git apply --cached --ignore-whitespace && git checkout -- . && git reset && git add -p

• git diff -w --no-color: Same as before, generates a diff without whitespace changes and color.
• git apply --cached --ignore-whitespace: Applies the staged changes to the working directory, ignoring whitespace.
• && git checkout -- .: Resets the working directory to the HEAD commit.
• && git reset: Resets the index to the HEAD commit.
• && git add -p: Allows you to selectively stage changes in the working directory.

This command applies staged changes, resets the working directory and index, and then allows you to stage changes individually.