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Script to upload a release asset using the GitHub API v3.
#!/usr/bin/env bash
#
# Author: Stefan Buck
# License: MIT
# https://gist.github.com/stefanbuck/ce788fee19ab6eb0b4447a85fc99f447
#
#
# This script accepts the following parameters:
#
# * owner
# * repo
# * tag
# * filename
# * github_api_token
#
# Script to upload a release asset using the GitHub API v3.
#
# Example:
#
# upload-github-release-asset.sh github_api_token=TOKEN owner=stefanbuck repo=playground tag=v0.1.0 filename=./build.zip
#
# Check dependencies.
set -e
xargs=$(which gxargs || which xargs)
# Validate settings.
[ "$TRACE" ] && set -x
CONFIG=$@
for line in $CONFIG; do
eval "$line"
done
# Define variables.
GH_API="https://api.github.com"
GH_REPO="$GH_API/repos/$owner/$repo"
GH_TAGS="$GH_REPO/releases/tags/$tag"
AUTH="Authorization: token $github_api_token"
WGET_ARGS="--content-disposition --auth-no-challenge --no-cookie"
CURL_ARGS="-LJO#"
if [[ "$tag" == 'LATEST' ]]; then
GH_TAGS="$GH_REPO/releases/latest"
fi
# Validate token.
curl -o /dev/null -sH "$AUTH" $GH_REPO || { echo "Error: Invalid repo, token or network issue!"; exit 1; }
# Read asset tags.
response=$(curl -sH "$AUTH" $GH_TAGS)
# Get ID of the asset based on given filename.
eval $(echo "$response" | grep -m 1 "id.:" | grep -w id | tr : = | tr -cd '[[:alnum:]]=')
[ "$id" ] || { echo "Error: Failed to get release id for tag: $tag"; echo "$response" | awk 'length($0)<100' >&2; exit 1; }
# Upload asset
echo "Uploading asset... "
# Construct url
GH_ASSET="https://uploads.github.com/repos/$owner/$repo/releases/$id/assets?name=$(basename $filename)"
curl "$GITHUB_OAUTH_BASIC" --data-binary @"$filename" -H "Authorization: token $github_api_token" -H "Content-Type: application/octet-stream" $GH_ASSET
@WesleyBatista

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WesleyBatista commented Feb 8, 2018

Didn't tried your snippet, but $localAssetPath is not defined. It should work? maybe you meant $filename

@babelouest

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babelouest commented Feb 13, 2018

That's a very cool script, can you add a license to it so I could reuse it on other projects?

Thanks in advance

@stefanbuck

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stefanbuck commented Feb 14, 2018

@babelouest License added, thanks for the hint.

@WesleyBatista Good spot. I removed $localAssetPath, it's not really needed

@huxingyi

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huxingyi commented Apr 15, 2018

Thanks @stefanbuck, very convenient script.

And for those who want overwrite the asset with the same filename:

… …

# Read asset tags.
response=$(curl -sH "$AUTH" $GH_TAGS)

# !!! Change start from here until the end !!!

# Get ID of the release.
eval $(echo "$response" | grep -m 1 "id.:" | grep -w id | tr : = | tr -cd '[[:alnum:]]=')
[ "$id" ] || { echo "Error: Failed to get release id for tag: $tag"; echo "$response" | awk 'length($0)<100' >&2; exit 1; }
release_id="$id"

# Get ID of the asset based on given filename.
id=""
eval $(echo "$response" | grep -C1 "name.:.\+$filename" | grep -m 1 "id.:" | grep -w id | tr : = | tr -cd '[[:alnum:]]=')
assert_id="$id"
if [ "$assert_id" = "" ]; then
    echo "No need to overwrite asset"
else
    echo "Deleting asset($assert_id)... "
    curl "$GITHUB_OAUTH_BASIC" -X "DELETE" -H "Authorization: token $github_api_token" "https://api.github.com/repos/$owner/$repo/releases/assets/$assert_id"
fi

# Upload asset
echo "Uploading asset... "

# Construct url
GH_ASSET="https://uploads.github.com/repos/$owner/$repo/releases/$release_id/assets?name=$(basename $filename)"

curl "$GITHUB_OAUTH_BASIC" --data-binary @"$filename" -H "Authorization: token $github_api_token" -H "Content-Type: application/octet-stream" $GH_ASSET

@zhanghongtong

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zhanghongtong commented Nov 2, 2018

I tried uploading the file using upload_url but it didn't work.

$ echo "uploading asset to release to url : $upload_url"
uploading asset to release to url : https://uploads.github.com/repos/zhanghongtong/test-trello/releases/13626806/assets?client_id=559b37ca1dfdad45d224&client_secret=a39a8fd8b5a2ce54eaa07axxxxxxxxxxxxxx

$ curl -s  \
        -H "Content-Type: application/zip" \
        --data-binary @test.zip  \
        "$upload_url&name=test.zip&label=some-binary.zip"
{"message":"Not Found","request_id":"F743:6DD1:903D2:CCF7E:5BDBAE02","documentation_url":"https://developer.github.com/v3"}%

Any idea what is going sour here?

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pjheslin commented Apr 13, 2019

Brilliant! This is just what I needed. Thanks. I do get a message saying "curl: (3) malformed" whenever I run it, but that doesn't seem to interfere with its functioning.

@anandchakru

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anandchakru commented Aug 6, 2019

What is basename ?

Edit: Nevermind, basename reduced the full path of the file to just filename.

Update: Note to self, if switching to gh-actions to publish to gh-pages, refer this simple yml and don't forget to generate a PAT (Personal Access Tokens) here and add it into your repo -> settings -> secrets under key: GITHUB_PAT

@awais786327

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awais786327 commented Nov 24, 2019

@stefanbuck what in that case if we need to upload more then 1 zip file ?

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stefanbuck commented Nov 25, 2019

@awais786327 I recommend using GitHub Actions for this task https://github.com/actions/upload-release-asset nowadays.

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typebrook commented Dec 27, 2019

Thanks! This script is really useful when working under cli !
Also, Github Actions and hub-release works fine in other cases.

@stefanbuck I followed the hint from @huxingyi and added some improvement with my fork (revision is at here).
Now it supports parameter overwrite

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