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Git Patch and Email Workflows

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Patch-oriented Git workflows using format-patch, apply, am, and range-diff for mailing-list and review-based collaboration.

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## Create Patch Series
Format last commit
↗#
git format-patch -1 HEAD

# Generate one patch file from latest commit.

Format commit range
↗#
git format-patch origin/main..HEAD

# Generate patches for commits not yet upstream.

Format with cover letter
↗#
git format-patch --cover-letter -3

# Generate last 3 commits plus cover letter template.

Format threaded series
↗#
git format-patch --thread -5

# Prepare patches for email threading.

## Apply Patches and Mailboxes
Check patch applicability
↗#
git apply --check feature.patch

# Validate patch without modifying files.

Apply patch and update index
↗#
git apply --index feature.patch

# Apply patch to working tree and index.

Apply mailbox series
↗#
git am 0001-feature.patch

# Apply email-formatted patches as commits.

Continue git am
↗#
git am --continue

# Resume after conflict resolution.

Abort git am
↗#
git am --abort

# Cancel mailbox application and restore state.

## Review and Compare Series
Range-diff two series
↗#
git range-diff origin/main...v1 origin/main...v2

# Review changes between patch series revisions.

Log with patches
↗#
git log -p origin/main..HEAD

# Review commits as patch text.

Show one commit patch
↗#
git show --patch <commit_sha>

# Inspect a single commit as patch text.

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