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fix(scripts): add empty description validation and branch checkout error handling #1559

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fix(scripts): add empty description validation and branch checkout error handling #1559

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18 changes: 17 additions & 1 deletion scripts/bash/create-new-feature.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,13 @@ if [ -z "$FEATURE_DESCRIPTION" ]; then
exit 1
fi

# Trim whitespace and validate description is not empty (e.g., user passed only whitespace)
FEATURE_DESCRIPTION=$(echo "$FEATURE_DESCRIPTION" | xargs)
if [ -z "$FEATURE_DESCRIPTION" ]; then
echo "Error: Feature description cannot be empty or contain only whitespace" >&2
exit 1
fi

# Function to find the repository root by searching for existing project markers
find_repo_root() {
local dir="$1"
Expand Down Expand Up @@ -272,7 +279,16 @@ if [ ${#BRANCH_NAME} -gt $MAX_BRANCH_LENGTH ]; then
fi

if [ "$HAS_GIT" = true ]; then
git checkout -b "$BRANCH_NAME"
if ! git checkout -b "$BRANCH_NAME" 2>/dev/null; then
# Check if branch already exists
if git branch --list "$BRANCH_NAME" | grep -q .; then
>&2 echo "Error: Branch '$BRANCH_NAME' already exists. Please use a different feature name or specify a different number with --number."
exit 1
else
>&2 echo "Error: Failed to create git branch '$BRANCH_NAME'. Please check your git configuration and try again."
exit 1
fi
fi
else
>&2 echo "[specify] Warning: Git repository not detected; skipped branch creation for $BRANCH_NAME"
fi
Expand Down
26 changes: 24 additions & 2 deletions scripts/powershell/create-new-feature.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,12 @@ if (-not $FeatureDescription -or $FeatureDescription.Count -eq 0) {

$featureDesc = ($FeatureDescription -join ' ').Trim()

# Validate description is not empty after trimming (e.g., user passed only whitespace)
if ([string]::IsNullOrWhiteSpace($featureDesc)) {
Write-Error "Error: Feature description cannot be empty or contain only whitespace"
exit 1
}

# Resolve repository root. Prefer git information when available, but fall back
# to searching for repository markers so the workflow still functions in repositories that
# were initialized with --no-git.
Expand Down Expand Up @@ -242,10 +248,26 @@ if ($branchName.Length -gt $maxBranchLength) {
}

if ($hasGit) {
$branchCreated = $false
try {
git checkout -b $branchName | Out-Null
git checkout -b $branchName 2>&1 | Out-Null
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Copilot AI Feb 23, 2026

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The stderr redirection 2>&1 is inconsistent with other git commands in this file, which use 2>$null. For consistency and to match the pattern used elsewhere (lines 88, 115, 145, 263), this should be 2>$null | Out-Null instead of 2>&1 | Out-Null.

Suggested change
git checkout -b $branchName 2>&1 | Out-Null
git checkout -b $branchName 2>$null | Out-Null

Copilot uses AI. Check for mistakes.
if ($LASTEXITCODE -eq 0) {
$branchCreated = $true
}
} catch {
Write-Warning "Failed to create git branch: $branchName"
# Exception during git command
}

if (-not $branchCreated) {
# Check if branch already exists
$existingBranch = git branch --list $branchName 2>$null
if ($existingBranch) {
Write-Error "Error: Branch '$branchName' already exists. Please use a different feature name or specify a different number with -Number."
exit 1
} else {
Write-Error "Error: Failed to create git branch '$branchName'. Please check your git configuration and try again."
exit 1
}
}
} else {
Write-Warning "[specify] Warning: Git repository not detected; skipped branch creation for $branchName"
Expand Down