commit 3f74e793ad447d28eb2a54ed4b910d87e4df8fdb
Author: Juergen Hoetzel <juergen@hoetzel.info>
Date:   Sat Jun 20 15:01:58 2020 +0200

    Initial import

diff --git a/README.org b/README.org
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--- /dev/null
+++ b/README.org
@@ -0,0 +1,26 @@
+#+title: Mirror your starred Github repos to a Gitea organization
+
+* Inspiration for this script
+
+[[https://github.com/go-gitea/gitea/issues/8424][Proposal: Mirror an entire github organization into gitea organization]]
+
+I wanted to mirror my starred repos instead. Mirroring an organization is on the [[*TODOs][TODOs]] list.
+
+* Usage
+
+Using [[https://github.com/][GitHub]] user =juergenhoetzel= and Gitea organization =githubmirror=
+
+#+BEGIN_SRC bash
+  export ACCESS_TOKEN=3a765a661619136db92aa267d90c457573x98812
+  export GITEA_URL=http://gitea.fritz.box:3000
+  github2gitea-mirror  juergenhoetzel githubmirror
+#+END_SRC
+
+
+* TODOs
+  - [ ] Mirror github organization
+  - [ ] Mirror private repos
+
+
+
+
diff --git a/github2gitea-mirror b/github2gitea-mirror
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index 0000000..28c1007
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+#!/bin/bash -e
+# Mirror starred Github repos to a Gitea Organization
+CURL="curl -f"
+
+if [[ -z "${ACCESS_TOKEN}" || -z "${GITEA_URL}" ]];then
+    echo -e "Please set gitea access token and url in environment:\nexport ACCESS_TOKEN=abc\nexport GITEA_URL=http://gitea:3000\n" >&2
+    echo -e "Don't use trailing slash in URL!"
+    exit 1
+fi
+
+github_user="${1}"
+gitea_organization="${2}"
+
+if [[ -z "${github_user}" || -z "${gitea_organization}" ]]; then
+    echo "Usage: $0 github_user gitea_organization" >&2
+    exit 1
+fi
+
+header_options=(-H  "Authorization: Bearer ${ACCESS_TOKEN}" -H "accept: application/json" -H "Content-Type: application/json")
+jsonoutput=$(mktemp -d -t github-repos-XXXXXXXX)
+trap "rm -rvf ${jsonoutput}" EXIT
+
+uid=$($CURL -s "${header_options[@]}" $GITEA_URL/api/v1/orgs/${gitea_organization} |jq .id)
+
+fetch_starred_repos(){
+    i=1
+    # Github API just returns empty arrays instead of 404
+    while $CURL "https://api.github.com/users/${github_user}/starred?page=${i}&per_page=100" >${jsonoutput}/${i}.json \
+	    && (( $(jq <${jsonoutput}/${i}.json '.|length') > 0 )) ; do
+	(( i++ ))
+    done
+}
+
+create_migration_repo() {
+    if ! $CURL -w  "%{http_code}\n"  "${header_options[@]}" -d @- -X POST $GITEA_URL/api/v1/repos/migrate > ${jsonoutput}/result.txt 2>${jsonoutput}/stderr.txt;then
+	local code=$(<${jsonoutput}/result.txt)
+	if (( code != 409 ));then # 409 == repo already exits
+	    cat ${jsonoutput}/stderr.txt >&2
+	fi
+    fi
+}
+
+repos_to_migration() {
+    for f in ${jsonoutput}/*.json; do
+	n=$(jq '.|length'<$f)
+	(( n-- ))		# last element
+	for i in $(seq 0 $n); do
+	    jq ".[$i]|.uid=${uid}|.mirror=true|.clone_addr=.clone_url|.repo_name=.name|{uid,repo_name,clone_addr,description}" <$f \
+		| create_migration_repo
+	done
+    done
+}
+
+fetch_starred_repos
+repos_to_migration
+