mirror of
https://github.com/prdlk/dotfiles.git
synced 2026-11-02 19:32:43 +00:00
117 lines
5.2 KiB
Bash
Executable File
117 lines
5.2 KiB
Bash
Executable File
#!/bin/sh
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# ghq get + resolve the on-disk clone path; prints the repo directory.
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# Shell wrappers (fish/bash/zsh `ghg` functions) cd into the printed path —
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# a child process can't change the caller's cwd.
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#
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# Then sets up a prad.codes mirror when the repo has none (best effort; the
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# clone never fails over it):
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# github.com/<owner>/<name> you admin → pull mirror into a prad.codes org
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# (picked with gum, guessed from the language; esc skips), every 8h
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# prad.codes/<org>/<name> that isn't itself a mirror → push mirror to
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# github.com/<you>/<name> (created if missing), on every push and every 8h
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repo=$1
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if [ -z "$repo" ]; then
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echo "usage: ghg-clone <repo>" >&2
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exit 1
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fi
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# ghq natively understands https://, ssh://, git@host:…, and host/user/repo.
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# Keep its output on stderr so stdout stays clean for the wrapper's cd.
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ghq get "$repo" >&2 || exit
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# Reduce the input to ghq's on-disk shape: <host>/<user>/<repo> —
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# strip scheme (https://, ssh://, git://), user@ (git@github.com:…),
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# turn scp host:path into host/path, drop trailing .git.
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rel=$(printf '%s\n' "$repo" \
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| sed -E 's#^[[:alnum:]]+://##; s#^[^@/]+@##; s#:#/#; s#\.git$##')
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# bare "user/repo" with no host → default to github.com
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case "$rel" in
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*.*/*) ;;
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*) rel=github.com/$rel ;;
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esac
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dir=$(ghq root)/$rel
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if [ ! -d "$dir" ]; then
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echo "ghg: expected clone at $dir but it does not exist" >&2
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exit 1
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fi
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command -v zoxide >/dev/null 2>&1 && zoxide add "$dir"
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# ── Mirrors ───────────────────────────────────────────────────────────────
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# Everything below talks on stderr; stdout carries only the final path.
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have() { command -v "$1" >/dev/null 2>&1; }
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# prad.codes orgs are per language; guess one from GitHub's primary language.
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lang_org() {
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case $1 in
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Go) echo go ;;
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Python | "Jupyter Notebook") echo py ;;
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Rust) echo rs ;;
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Dart) echo dart ;;
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TeX) echo tex ;;
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JavaScript | TypeScript | Astro | Svelte | Vue | HTML | CSS) echo js ;;
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Markdown | MDX) echo md ;;
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*) echo env ;; # Lua, Shell, no code at all (dotfiles, configs)
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esac
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}
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pull_mirror() { # owner name
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info=$(gh repo view "$1/$2" --json viewerPermission,isPrivate,primaryLanguage \
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-q '[.viewerPermission, .isPrivate, .primaryLanguage.name // ""] | @tsv' 2>/dev/null) || return 0
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perm=$(printf '%s\n' "$info" | cut -f1)
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private=$(printf '%s\n' "$info" | cut -f2)
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lang=$(printf '%s\n' "$info" | cut -f3)
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[ "$perm" = ADMIN ] || return 0 # someone else's repo: just a clone
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# tea api exits 0 even on errors, hence jq -e on every response.
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tea api "/api/v1/repos/search?q=$2&limit=50" | jq -e --arg u "github.com/$1/$2" \
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'any(.data[]; (.original_url // "") | ascii_downcase | sub("(\\.git)?/?$"; "") | endswith($u | ascii_downcase))' \
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>/dev/null && return 0
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org=$(tea api '/api/v1/orgs?limit=50' | jq -r '.[].username' |
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gum choose --header "Pull-mirror github.com/$1/$2 into which prad.codes org? (esc skips)" \
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--selected "$(lang_org "$lang")") || return 0
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[ -n "$org" ] || return 0
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echo "→ pull mirror: github.com/$1/$2 → prad.codes/$org/$2 (every 8h)" >&2
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priv=
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[ "$private" = true ] && priv=--private
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# shellcheck disable=SC2086 # $priv is one optional flag
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tea repos migrate --name "$2" --owner "$org" --clone-url "https://github.com/$1/$2.git" \
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--service git --mirror --mirror-interval 8h --auth-token "$(gh auth token)" $priv >&2 ||
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echo "ghg: pull mirror failed" >&2
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}
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push_mirror() { # org name
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repo=$(tea api "/api/v1/repos/$1/$2")
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printf '%s' "$repo" | jq -e '.id and (.mirror | not)' >/dev/null || return 0
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tea api "/api/v1/repos/$1/$2/push_mirrors" | jq -e 'length == 0' >/dev/null || return 0
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me=$(gh api user -q .login 2>/dev/null) || return 0
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if gh repo view "$me/$2" >/dev/null 2>&1; then
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gum confirm "Push-mirror prad.codes/$1/$2 to the existing github.com/$me/$2? Mirror pushes overwrite it." || return 0
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else
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gum confirm "Push-mirror prad.codes/$1/$2 to a new github.com/$me/$2?" || return 0
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vis=--public
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[ "$(printf '%s' "$repo" | jq -r .private)" = true ] && vis=--private
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gh repo create "$me/$2" "$vis" --description "Mirror of https://prad.codes/$1/$2" >&2 || return 0
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fi
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if jq -n --arg url "https://github.com/$me/$2.git" --arg user "$me" --arg pass "$(gh auth token)" \
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'{remote_address: $url, remote_username: $user, remote_password: $pass,
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interval: "8h0m0s", sync_on_commit: true}' |
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tea api -d @- "/api/v1/repos/$1/$2/push_mirrors" | jq -e .remote_name >/dev/null; then
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tea api -X POST "/api/v1/repos/$1/$2/push_mirrors-sync" >/dev/null # first push now
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echo "→ push mirror: prad.codes/$1/$2 → github.com/$me/$2 (on push + every 8h)" >&2
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else
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echo "ghg: push mirror failed" >&2
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fi
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}
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if have gh && have tea && have jq && have gum; then
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owner=${rel#*/} name=${owner#*/} owner=${owner%%/*}
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case $rel in
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github.com/*/*) pull_mirror "$owner" "$name" ;;
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prad.codes/*/*) push_mirror "$owner" "$name" ;;
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esac
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fi
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printf '%s\n' "$dir"
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