File renamed without changes
William-Owen / gist-pull
Last active 1 month ago
A small Fish script can take an OpenGist URL, download the current HEAD ZIP, and extract all files without creating a Git repository.
William-Owen revised this gist 1 month ago · ecf0b01
1 file changed
William-Owen revised this gist 2 months ago · a00fe39
1 file changed, 70 insertions
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| 1 | + | #!/usr/bin/env fish | |
| 2 | + | ||
| 3 | + | function usage | |
| 4 | + | echo "Usage: gist-pull <gist-url> [destination]" | |
| 5 | + | echo | |
| 6 | + | echo "Example:" | |
| 7 | + | echo " gist-pull https://gist.example.com/william/my-gist ./config" | |
| 8 | + | end | |
| 9 | + | ||
| 10 | + | if test (count $argv) -lt 1 | |
| 11 | + | usage | |
| 12 | + | exit 1 | |
| 13 | + | end | |
| 14 | + | ||
| 15 | + | set -l gist_url $argv[1] | |
| 16 | + | set -l destination "." | |
| 17 | + | ||
| 18 | + | if test (count $argv) -ge 2 | |
| 19 | + | set destination $argv[2] | |
| 20 | + | end | |
| 21 | + | ||
| 22 | + | # Remove query strings, fragments, trailing slash and optional .git suffix | |
| 23 | + | set gist_url (string replace -r '[?#].*$' '' -- $gist_url) | |
| 24 | + | set gist_url (string replace -r '/+$' '' -- $gist_url) | |
| 25 | + | set gist_url (string replace -r '\.git$' '' -- $gist_url) | |
| 26 | + | ||
| 27 | + | if not string match -rq '^https?://' -- $gist_url | |
| 28 | + | echo "Error: expected an HTTP or HTTPS OpenGist URL" >&2 | |
| 29 | + | exit 1 | |
| 30 | + | end | |
| 31 | + | ||
| 32 | + | set -l archive_url "$gist_url/archive/HEAD" | |
| 33 | + | set -l archive (mktemp --suffix=.zip) | |
| 34 | + | ||
| 35 | + | if test $status -ne 0 | |
| 36 | + | echo "Error: could not create temporary file" >&2 | |
| 37 | + | exit 1 | |
| 38 | + | end | |
| 39 | + | ||
| 40 | + | function cleanup --on-event fish_exit | |
| 41 | + | rm -f $archive | |
| 42 | + | end | |
| 43 | + | ||
| 44 | + | echo "Fetching $gist_url" | |
| 45 | + | ||
| 46 | + | if not curl --fail --location --silent --show-error \ | |
| 47 | + | "$archive_url" \ | |
| 48 | + | --output "$archive" | |
| 49 | + | echo "Error: failed to download gist" >&2 | |
| 50 | + | exit 1 | |
| 51 | + | end | |
| 52 | + | ||
| 53 | + | mkdir -p "$destination" | |
| 54 | + | ||
| 55 | + | if command -q bsdtar | |
| 56 | + | if not bsdtar -xf "$archive" -C "$destination" | |
| 57 | + | echo "Error: failed to extract gist" >&2 | |
| 58 | + | exit 1 | |
| 59 | + | end | |
| 60 | + | else if command -q unzip | |
| 61 | + | if not unzip -oq "$archive" -d "$destination" | |
| 62 | + | echo "Error: failed to extract gist" >&2 | |
| 63 | + | exit 1 | |
| 64 | + | end | |
| 65 | + | else | |
| 66 | + | echo "Error: bsdtar or unzip is required" >&2 | |
| 67 | + | exit 1 | |
| 68 | + | end | |
| 69 | + | ||
| 70 | + | echo "Updated: $destination" | |