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https://github.com/RGBCube/GitHub2Forgejo
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Rename shell script file
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parent
9523361143
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3 changed files with 3 additions and 3 deletions
133
github2forgejo
Executable file
133
github2forgejo
Executable file
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#!/usr/bin/env nu
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def or-default [default: closure] {
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if ($in == null) {
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do $default
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} else {
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$in
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}
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}
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# Migrates a GitHub users repositories to a Forgejo instance.
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#
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# Accepted environment variables:
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#
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# GITHUB_USER: The user to fetch the repositories from.
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# GITHUB_TOKEN: An access token for fetching private repositories. Optional.
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#
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# FORGEJO_URL: The URL to the Forgejo instance. Must include the protocol (https://).
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# FORGEJO_USER: The user to migrate the repositories to.
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# FORGEJO_TOKEN: An access token for the specified user.
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#
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# STRATEGY:
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# The strategy. Valid options are "mirrored" or "cloned" (case insensitive).
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# "mirrored" will mirror the repository and tell the Forgejo instance to
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# periodically update it, "cloned" will only clone once. "cloned" is
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# useful if you are never going to use GitHub again.
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#
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# FORCE_SYNC:
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# Whether to delete a mirrored repo from the Forgejo instance if the
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# source on GitHub doesn't exist anymore. Must be either "true" or "false".
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#
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# To leave an environment variable unspecified, set it to an empty string.
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def main [] {
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let github_user = $env | get -i GITHUB_USER | or-default { input $"(ansi red)GitHub username: (ansi reset)" }
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let github_token = $env | get -i GITHUB_TOKEN | or-default { input $"(ansi red)GitHub access token (ansi yellow)\((ansi blue)optional, only used for private repositories(ansi yellow))(ansi red): (ansi reset)" }
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let forgejo_url = $env | get -i FORGEJO_URL | or-default { input $"(ansi green)Forgejo instance URL \(with https://): (ansi reset)" } | str trim --right --char "/"
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let forgejo_user = $env | get -i FORGEJO_USER | or-default { input $"(ansi green)Forgejo username or organization to migrate to: (ansi reset)" }
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let forgejo_token = $env | get -i FORGEJO_TOKEN | or-default { input $"(ansi green)Forgejo access token: (ansi reset)" }
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let strategy = $env | get -i STRATEGY | or-default { [ Mirrored Cloned ] | input list $"(ansi cyan)Should the repos be mirrored, or just cloned once?(ansi reset)" } | str downcase
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let force_sync = $env | get -i FORCE_SYNC | or-default { [ "Yup, delete them" Nope ] | input list $"(ansi yellow)Should mirrored repos that don't have a GitHub source anymore be deleted?(ansi reset)" } | $in != "Nope"
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let github_repos = do {
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def get-repos-at [page_nr: number] {
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if $github_token != "" {
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(http get $"https://api.github.com/user/repos?per_page=100&page=($page_nr)"
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-H [ Authorization $"token ($github_token)" ])
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} else {
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http get $"https://api.github.com/users/($github_user)/repos?per_page=100?page=($page_nr)"
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}
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}
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mut repos = []
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mut page_nr = 1
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loop {
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let next = get-repos-at $page_nr
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$repos = ($repos | append $next)
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if ($next | length) >= 100 {
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$page_nr += 1
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} else {
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break
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}
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}
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$repos | filter { get owner.login | $in == $github_user }
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}
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# Delete mirrored repos that do not exist on GitHub.
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if $force_sync {
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let github_repo_names = ($github_repos | get name)
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let forgejo_mirrored_repos = (
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http get $"($forgejo_url)/api/v1/user/repos"
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-H [ Authorization $"token ($forgejo_token)" ]
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| filter { get mirror }
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| filter { ($github_token != "") and not $in.private }
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)
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let forgejo_not_on_github = ($forgejo_mirrored_repos | filter { not ($in.name in $github_repo_names) })
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$forgejo_not_on_github | each {|forgejo_repo|
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print --no-newline $"(ansi red)Deleting ($forgejo_url)/($forgejo_repo.full_name) because the mirror source doesn't exist on GitHub anymore...(ansi reset)"
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(http delete $"($forgejo_url)/api/v1/repos/($forgejo_repo.full_name)"
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-H [ Authorization $"token ($forgejo_token)" ])
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print $" (ansi green_bold)Success!(ansi reset)"
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}
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}
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# Mirror repos that do exist on GitHub to Forgejo.
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$github_repos | each {|github_repo|
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print --no-newline $"(ansi blue)(
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$strategy | str capitalize | str replace "ed" "ing"
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) (
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[ $"(ansi green)public(ansi blue)(char space)" $"(ansi red)private(ansi blue)" ] | get ($github_repo.private | into int)
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) repository (ansi purple)($github_repo.html_url)(ansi blue) to (ansi white_bold)($forgejo_url)/($forgejo_user)/($github_repo.name)(ansi blue)...(ansi reset)"
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let github_repo_url = if not $github_repo.private {
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$github_repo.html_url
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} else {
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$"https://($github_token)@github.com/($github_repo.full_name)"
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}
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let response = (
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http post $"($forgejo_url)/api/v1/repos/migrate"
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--allow-errors
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-t application/json
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-H [ Authorization $"token ($forgejo_token)" ]
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{
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clone_addr: $github_repo_url
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mirror: ($strategy != "cloned")
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private: $github_repo.private
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repo_owner: $forgejo_user
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repo_name: $github_repo.name
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}
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)
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let error_message = ($response | get -i message)
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if ($error_message != null and $error_message =~ "already exists") {
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print $" (ansi yellow)Already mirrored!(ansi reset)"
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} else if ($error_message != null) {
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print $" (ansi red)Unknown error: ($error_message)(ansi reset)"
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} else {
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print $" (ansi green_bold)Success!(ansi reset)"
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}
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}
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null
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}
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