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Update push-to-discussions.yml
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‎.github/workflows/push-to-discussions.yml‎

Lines changed: 125 additions & 104 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
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name: Push → Discussion (GraphQL)
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name: Push → Discussion (gh cli)
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on:
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push:
@@ -10,114 +10,135 @@ permissions:
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discussions: write
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env:
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DISCUSSIONS_CATEGORY: Push Updates # must match the category name in your repo
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DISCUSSIONS_CATEGORY: Push Updates
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jobs:
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post:
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runs-on: ubuntu-latest
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} # gh uses this
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steps:
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- name: Create a discussion for this push
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uses: actions/github-script@v7
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with:
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github-token: ${{ secrets.GITHUB_TOKEN }}
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script: |
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const { owner, repo } = context.repo;
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const desiredName = (process.env.DISCUSSIONS_CATEGORY || "").trim();
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// 1) GraphQL: get repo id + discussion categories
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const query = `
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query($owner: String!, $name: String!) {
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repository(owner: $owner, name: $name) {
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id
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hasDiscussionsEnabled
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discussionCategories(first: 50) {
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nodes { id name }
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}
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- name: Build title and body from push payload
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id: build
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run: |
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set -euo pipefail
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EV="$GITHUB_EVENT_PATH"
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OWNER="${GITHUB_REPOSITORY%/*}"
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REPO="${GITHUB_REPOSITORY#*/}"
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BRANCH="$(jq -r '.ref' "$EV" | sed 's#^refs/heads/##')"
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[ -z "$BRANCH" ] && BRANCH="(unknown)"
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PUSHER="$(jq -r '.pusher.name // .sender.login // "unknown"' "$EV")"
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BEFORE="$(jq -r '.before' "$EV")"
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AFTER="$(jq -r '.after' "$EV")"
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COMPARE="$(jq -r '.compare // empty' "$EV")"
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if [ -z "$COMPARE" ]; then
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COMPARE="https://github.com/${OWNER}/${REPO}/compare/${BEFORE}...${AFTER}"
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fi
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COMMIT_COUNT="$(jq -r '.commits | length' "$EV")"
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# Commit list (first line of message, author, link)
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COMMITS_MD="$(jq -r '
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if (.commits | length) == 0 then
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""
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else
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[.commits[]
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| "- [`\(.id[0:7])`](\(.url)) \((.message // "" ) | split("\n")[0]) — _\(.author.name // "unknown")_"
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] | join("\n")
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end
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' "$EV")"
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TITLE="Push to ${BRANCH} by ${PUSHER} — ${COMMIT_COUNT} commit"
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[ "$COMMIT_COUNT" -ne 1 ] && TITLE="${TITLE}s"
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{
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echo "> _This discussion was created automatically by GitHub Actions from a \`push\` event._"
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echo
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echo "**Branch:** \`${BRANCH}\`"
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echo "**Pusher:** ${PUSHER}"
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echo "**Compare:** ${COMPARE}"
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echo
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echo "### Commits"
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if [ -n "$COMMITS_MD" ]; then
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echo "$COMMITS_MD"
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else
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echo "_No commit details available._"
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fi
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echo
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echo "<sub>— end of automated log —</sub>"
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} > body.md
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echo "title<<EOF" >> $GITHUB_OUTPUT
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echo "$TITLE" >> $GITHUB_OUTPUT
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echo "EOF" >> $GITHUB_OUTPUT
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- name: Resolve repo & category IDs via GraphQL
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id: ids
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run: |
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set -euo pipefail
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OWNER="${GITHUB_REPOSITORY%/*}"
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REPO="${GITHUB_REPOSITORY#*/}"
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# Query repo info + categories
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RESP="$(gh api graphql -f query='
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query($owner:String!, $name:String!){
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repository(owner:$owner, name:$name){
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id
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hasDiscussionsEnabled
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discussionCategories(first:50){
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nodes{ id name }
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}
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}
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`;
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let repoInfo;
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try {
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repoInfo = await github.graphql(query, { owner, name: repo });
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} catch (e) {
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core.setFailed(\`GraphQL repo/category lookup failed: \${e.message}\`);
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return;
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}
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const repository = repoInfo?.repository;
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if (!repository) {
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core.setFailed("Repository not found by GraphQL; check owner/repo context.");
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return;
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}
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if (!repository.hasDiscussionsEnabled) {
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core.setFailed("Discussions are not enabled for this repository (Settings → General → Features → Discussions).");
54-
return;
55-
}
56-
57-
const categories = repository.discussionCategories?.nodes || [];
58-
const category = categories.find(c => c.name.toLowerCase() === desiredName.toLowerCase());
59-
if (!category) {
60-
const names = categories.map(c => `- ${c.name}`).join("\n") || "(none found)";
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core.setFailed(`Category "${desiredName}" not found.\nAvailable categories:\n${names}`);
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return;
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}
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// 2) Build title/body from push payload
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const push = context.payload;
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const branch = (push.ref || "").replace("refs/heads/", "") || "(unknown)";
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const pusher = push.pusher?.name || push.sender?.login || "unknown";
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const commits = push.commits || [];
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const commitCount = commits.length;
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const title = `Push to ${branch} by ${pusher} — ${commitCount} commit${commitCount === 1 ? "" : "s"}`;
73-
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const lines = commits.map(c => {
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const sha7 = (c.id || "").slice(0,7);
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const first = (c.message || "").split("\n")[0];
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const author = c.author?.name || "unknown";
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const url = c.url || \`https://github.com/${owner}/${repo}/commit/\${c.id}\`;
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return `- [\`${sha7}\`](${url}) ${first} — _${author}_`;
80-
});
81-
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const compareUrl =
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push.compare ||
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\`https://github.com/${owner}/${repo}/compare/\${push.before}...\${push.after}\`;
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const body = [
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`> _This discussion was created automatically by GitHub Actions from a \`push\` event._`,
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"",
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`**Branch:** \`${branch}\``,
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`**Pusher:** ${pusher}`,
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`**Compare:** ${compareUrl}`,
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"",
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"### Commits",
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lines.length ? lines.join("\n") : "_No commit details available._",
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"",
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"<sub>— end of automated log —</sub>"
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].join("\n");
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// 3) GraphQL: create discussion
100-
const mutation = `
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mutation($repoId: ID!, $catId: ID!, $title: String!, $body: String!) {
102-
createDiscussion(input: {
103-
repositoryId: $repoId,
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categoryId: $catId,
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title: $title,
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body: $body
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}) {
108-
discussion { url }
97+
}' -f owner="$OWNER" -f name="$REPO")"
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REPO_ID="$(echo "$RESP" | jq -r '.data.repository.id')"
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DISC_ENABLED="$(echo "$RESP" | jq -r '.data.repository.hasDiscussionsEnabled')"
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[ "$DISC_ENABLED" != "true" ] && { echo "Discussions not enabled"; exit 1; }
102+
103+
CAT_NAME="${DISCUSSIONS_CATEGORY}"
104+
CAT_ID="$(echo "$RESP" | jq -r --arg n "$CAT_NAME" '
105+
.data.repository.discussionCategories.nodes[]
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| select((.name|ascii_downcase)==($n|ascii_downcase))
107+
| .id
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')"
109+
110+
if [ -z "$CAT_ID" ]; then
111+
echo "Available categories:"
112+
echo "$RESP" | jq -r '.data.repository.discussionCategories.nodes[].name'
113+
echo "Category \"$CAT_NAME\" not found."
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exit 1
115+
fi
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117+
echo "repo_id=$REPO_ID" >> $GITHUB_OUTPUT
118+
echo "cat_id=$CAT_ID" >> $GITHUB_OUTPUT
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120+
- name: Create discussion
121+
run: |
122+
set -euo pipefail
123+
TITLE="${{ steps.build.outputs.title }}"
124+
REPO_ID="${{ steps.ids.outputs.repo_id }}"
125+
CAT_ID="${{ steps.ids.outputs.cat_id }}"
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BODY_CONTENT="$(cat body.md)"
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gh api graphql \
129+
-f query='
130+
mutation($repoId:ID!, $catId:ID!, $title:String!, $body:String!){
131+
createDiscussion(input:{
132+
repositoryId:$repoId,
133+
categoryId:$catId,
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title:$title,
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body:$body
136+
}){
137+
discussion{ url }
109138
}
110-
}
111-
`;
112-
try {
113-
const res = await github.graphql(mutation, {
114-
repoId: repository.id,
115-
catId: category.id,
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title,
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body
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});
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const url = res?.createDiscussion?.discussion?.url;
120-
core.info(\`Created discussion: \${url}\`);
121-
} catch (e) {
122-
core.setFailed(\`Failed to create discussion via GraphQL: \${e.message}\`);
123-
}
139+
}' \
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-f repoId="$REPO_ID" \
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-f catId="$CAT_ID" \
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-f title="$TITLE" \
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-f body="$BODY_CONTENT" \
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--jq '.data.createDiscussion.discussion.url'

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