valmat · July 25, 2025 20:49 · valmat · Jul 25, 2025
diff --git a/gitaitag.sh b/gitaitag.sh
 #!/bin/env bash

 set -e

 model="gpt-4.1";
 temperature=0.8;
 endpoint_url="https://api.openai.com/v1/chat/completions"
 api_key="$OPENAI_API_KEY"

 # the hash of the commit that was marked with the last tag
 latest_tag_hash=$(git rev-list --tags --max-count=1)

 # the name of the last tag, using its hash
 latest_tag=$(git describe --tags --abbrev=0 $latest_tag_hash)

 minor_ver="${latest_tag##*.}"
 base_ver="${latest_tag%.*}"
 ((minor_ver+=1))
 new_tag="${base_ver}.${minor_ver}"


 prompt="Below is the output of \`git log <latest_tag>..HEAD\`."`
    `"\nPlease provide a perfect tag ($new_tag) message."`
    `"\nUse emojis in the message text when appropriate. Use past tense."`
    `"\nProvide a message ready for direct substitution "`
    `"(don't use \`\`\` and provide  multiline message)."`
    `" The message is intended for git, so format it as a plain text (not Markdown)."


 if ! [[ $# -eq 0 ]]; then
    prompt="${prompt}\n\nUse the following hint provided by the developer to generate the tag message: \`$1\`."`
    `"\nThe message language is strictly English."
 fi

 # Output the commit log from the previous tag to the HEAD (current state)
 # use the found name of the previous tag to start the story
 message=`git log $latest_tag..HEAD`

 echo "$latest_tag -> $new_tag"

 if [ -z "$message" ]; then
    echo "Nothing to commit, working tree clean" >&2
    exit 1
 fi

 echo "$message" > "/tmp/gitaitag-message.txt"

 json_payload=$(jq -n \
    --arg model "$model" \
    --arg temperature "$temperature" \
    --arg prompt "$prompt" \
    --rawfile message "/tmp/gitaitag-message.txt" \
    '{
        model: $model,
        temperature: ($temperature | tonumber),
        messages: [
          {
            role: "system",
            content: $prompt
          },{
            role: "user",
            content: $message
          }
        ]
    }')


 echo "$json_payload" > "/tmp/gitaitag-payload.txt"
 rm -f "/tmp/gitaitag-message.txt"

 response=$(curl -s "$endpoint_url" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $api_key" \
  --data-binary "@/tmp/gitaitag-payload.txt")

 # Clean up the temporary file
 rm "/tmp/gitaitag-payload.txt"

 # Checking if the "error" key is in the response
 if echo "$response" | jq -e '.error' > /dev/null; then
    echo "Error: $(echo "$response" | jq -r '.error.message')" >&2
    exit 2
 else
    # If there is no error, trying to extract the desired message
    content=$(echo "$response" | jq -e -r '.choices[0].message.content')
    
    # Checking if the message was extracted
    if ! [[ $? -eq 0 ]]; then
        # If the message could not be extracted, 
        # output the original text of the response to stderr
        echo "Failed to extract the message. Response was:" >&2
        echo "$response" >&2
        exit 3
    fi
 fi

 description_file=$(mktemp)
 echo "$content" > "$description_file"

 nano "$description_file"
 git tag -a "$new_tag" -F "$description_file"

 cat "$description_file"
 rm "$description_file"
	#!/bin/env bash

	set -e

	model="gpt-4.1";
	temperature=0.8;
	endpoint_url="https://api.openai.com/v1/chat/completions"
	api_key="$OPENAI_API_KEY"

	# the hash of the commit that was marked with the last tag
	latest_tag_hash=$(git rev-list --tags --max-count=1)

	# the name of the last tag, using its hash
	latest_tag=$(git describe --tags --abbrev=0 $latest_tag_hash)

	minor_ver="${latest_tag##*.}"
	base_ver="${latest_tag%.*}"
	((minor_ver+=1))
	new_tag="${base_ver}.${minor_ver}"


	prompt="Below is the output of \`git log <latest_tag>..HEAD\`."`
	`"\nPlease provide a perfect tag ($new_tag) message."`
	`"\nUse emojis in the message text when appropriate. Use past tense."`
	`"\nProvide a message ready for direct substitution "`
	`"(don't use \`\`\` and provide multiline message)."`
	`" The message is intended for git, so format it as a plain text (not Markdown)."


	if ! [[ $# -eq 0 ]]; then
	prompt="${prompt}\n\nUse the following hint provided by the developer to generate the tag message: \`$1\`."`
	`"\nThe message language is strictly English."
	fi

	# Output the commit log from the previous tag to the HEAD (current state)
	# use the found name of the previous tag to start the story
	message=`git log $latest_tag..HEAD`

	echo "$latest_tag -> $new_tag"

	if [ -z "$message" ]; then
	echo "Nothing to commit, working tree clean" >&2
	exit 1
	fi

	echo "$message" > "/tmp/gitaitag-message.txt"

	json_payload=$(jq -n \
	--arg model "$model" \
	--arg temperature "$temperature" \
	--arg prompt "$prompt" \
	--rawfile message "/tmp/gitaitag-message.txt" \
	'{
	model: $model,
	temperature: ($temperature \| tonumber),
	messages: [
	{
	role: "system",
	content: $prompt
	},{
	role: "user",
	content: $message
	}
	]
	}')


	echo "$json_payload" > "/tmp/gitaitag-payload.txt"
	rm -f "/tmp/gitaitag-message.txt"

	response=$(curl -s "$endpoint_url" \
	-H "Content-Type: application/json" \
	-H "Authorization: Bearer $api_key" \
	--data-binary "@/tmp/gitaitag-payload.txt")

	# Clean up the temporary file
	rm "/tmp/gitaitag-payload.txt"

	# Checking if the "error" key is in the response
	if echo "$response" \| jq -e '.error' > /dev/null; then
	echo "Error: $(echo "$response" \| jq -r '.error.message')" >&2
	exit 2
	else
	# If there is no error, trying to extract the desired message
	content=$(echo "$response" \| jq -e -r '.choices[0].message.content')

	# Checking if the message was extracted
	if ! [[ $? -eq 0 ]]; then
	# If the message could not be extracted,
	# output the original text of the response to stderr
	echo "Failed to extract the message. Response was:" >&2
	echo "$response" >&2
	exit 3
	fi
	fi

	description_file=$(mktemp)
	echo "$content" > "$description_file"

	nano "$description_file"
	git tag -a "$new_tag" -F "$description_file"

	cat "$description_file"
	rm "$description_file"
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