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| 1 | +#!/bin/bash |
| 2 | + |
| 3 | +set -e |
| 4 | + |
| 5 | +if ! command -v jq &>/dev/null; then |
| 6 | + echo "jq is not installed." |
| 7 | + exit 1 |
| 8 | +fi |
| 9 | + |
| 10 | +: "${GITHUB_TOKEN:?GITHUB_TOKEN is required and cannot be empty}" |
| 11 | +: "${GITHUB_OWNER:?GITHUB_OWNER is required and cannot be empty}" |
| 12 | +: "${GITHUB_REPO:?GITHUB_REPO is required and cannot be empty}" |
| 13 | +: "${GITHUB_BRANCH:?GITHUB_BRANCH is required and cannot be empty}" |
| 14 | +: "${SOURCE_FILE_PATH:?SOURCE_FILE_PATH is required and cannot be empty}" |
| 15 | +: "${DEST_FILE_PATH:?DEST_FILE_PATH is required and cannot be empty}" |
| 16 | +: "${COMMIT_MESSAGE:?COMMIT_MESSAGE is required and cannot be empty}" |
| 17 | + |
| 18 | +GITHUB_API_URL="https://api.github.com/repos/$GITHUB_OWNER/$GITHUB_REPO/contents/$DEST_FILE_PATH" |
| 19 | + |
| 20 | +function get_existing_file_sha { |
| 21 | + # Get file SHA if it exists |
| 22 | + FILE_INFO=$(curl -s -H "Authorization: token $GITHUB_TOKEN" $GITHUB_API_URL?ref=$GITHUB_BRANCH) |
| 23 | + echo "$FILE_INFO" | jq -r .sha |
| 24 | +} |
| 25 | + |
| 26 | +# Read and encode file |
| 27 | +if [ ! -f "$SOURCE_FILE_PATH" ]; then |
| 28 | + echo "File $SOURCE_FILE_PATH not found!" |
| 29 | + exit 1 |
| 30 | +fi |
| 31 | +# NOTE: -w 0 disables line wrapping |
| 32 | +ENCODED_CONTENT=$(base64 -w 0 "$SOURCE_FILE_PATH") |
| 33 | + |
| 34 | +EXISTING_FILE_SHA=$(get_existing_file_sha) |
| 35 | + |
| 36 | +# Prepare API payload |
| 37 | +if [ "$EXISTING_FILE_SHA" == "null" ]; then |
| 38 | + echo "Creating new file..." |
| 39 | + SHA_PART="" |
| 40 | +else |
| 41 | + echo "Updating existing file..." |
| 42 | + SHA_PART=", \"sha\": \"$EXISTING_FILE_SHA\"" |
| 43 | +fi |
| 44 | + |
| 45 | +# To avoid `Argument list too long` error |
| 46 | +TMPFILE=$(mktemp) |
| 47 | + |
| 48 | +if [ -n "$EXISTING_FILE_SHA" ]; then |
| 49 | + cat > "$TMPFILE" <<EOF |
| 50 | +{ |
| 51 | + "message": "$COMMIT_MESSAGE", |
| 52 | + "content": "$ENCODED_CONTENT", |
| 53 | + "branch": "$GITHUB_BRANCH", |
| 54 | + "sha": "$EXISTING_FILE_SHA" |
| 55 | +} |
| 56 | +EOF |
| 57 | +else |
| 58 | + cat > "$TMPFILE" <<EOF |
| 59 | +{ |
| 60 | + "message": "$COMMIT_MESSAGE", |
| 61 | + "content": "$ENCODED_CONTENT", |
| 62 | + "branch": "$GITHUB_BRANCH" |
| 63 | +} |
| 64 | +EOF |
| 65 | +fi |
| 66 | + |
| 67 | +curl --fail -X PUT \ |
| 68 | + $GITHUB_API_URL \ |
| 69 | + -H "Authorization: token $GITHUB_TOKEN" \ |
| 70 | + -H "Content-Type: application/json" \ |
| 71 | + -H "Accept: application/vnd.github.v3+json" \ |
| 72 | + -d @"$TMPFILE" |
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