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Refactor update-template-ubuntu.sh and add update-template-debian.sh #2731

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Merged
merged 1 commit into from
Oct 22, 2024
Merged

Refactor update-template-ubuntu.sh and add update-template-debian.sh #2731

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58 changes: 42 additions & 16 deletions hack/cache-common-inc.sh
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Original file line number Diff line number Diff line change
@@ -1,5 +1,11 @@
#!/usr/bin/env bash

# print the error message and exit with status 1
function error_exit() {
echo "Error: $*" >&2
exit 1
}

# e.g.
# ```console
# $ download_template_if_needed templates/default.yaml
Expand Down Expand Up @@ -97,7 +103,7 @@ function size_from_location() {
)
}

# Check the remote location and return the http code and size.
# Check the remote location and print the http code and size.
# If GITHUB_ACTIONS is true, the result is not cached.
# e.g.
# ```console
Expand All @@ -113,7 +119,7 @@ function check_location() {
fi
}

# Check the remote location and return the http code and size.
# Check the remote location and print the http code and size.
# The result is cached in .check_location-response-cache.yaml
# e.g.
# ```console
Expand Down Expand Up @@ -209,8 +215,7 @@ function location_to_sha256() {
elif command -v shasum >/dev/null; then
sha256="$(echo -n "${location}" | shasum -a 256 | cut -d' ' -f1)"
else
echo "sha256sum or shasum not found" >&2
exit 1
error_exit "sha256sum or shasum not found"
fi
echo "${sha256}"
)
Expand Down Expand Up @@ -351,16 +356,32 @@ function hash_file() {
# /Users/user/Library/Caches/lima/download/by-url-sha256/346ee1ff9e381b78ba08e2a29445960b5cd31c51f896fc346b82e26e345a5b9a/data # on macOS
# /home/user/.cache/lima/download/by-url-sha256/346ee1ff9e381b78ba08e2a29445960b5cd31c51f896fc346b82e26e345a5b9a/data # on others
function download_to_cache() {
local code_time_type_url
code_time_type_url=$(
curl -sSLI -w "%{http_code}\t%header{Last-Modified}\t%header{Content-Type}\t%{url_effective}" "$1" -o /dev/null
)
local cache_path
cache_path=$(location_to_cache_path "$1")
# before checking remote location, check if the data file is already downloaded and the time file is updated within 10 minutes
if [[ -f ${cache_path}/data && -n "$(find "${cache_path}/time" -mmin -10 || true)" ]]; then
echo "${cache_path}/data"
return
fi

# check the remote location
local curl_info_json write_out
write_out='{
"http_code":%{http_code},
"last_modified":"%header{Last-Modified}",
"content_type":"%{content_type}",
"url":"%{url_effective}",
"filename":"%{filename_effective}"
}'
curl_info_json=$(curl -sSLI -w "${write_out}" "$1" -o /dev/null)

local code time type url
IFS=$'\t' read -r code time type url filename <<<"${code_time_type_url}"
[[ ${code} == 200 ]] || exit 1
code=$(jq -r '.http_code' <<<"${curl_info_json}")
time=$(jq -r '.last_modified' <<<"${curl_info_json}")
type=$(jq -r '.content_type' <<<"${curl_info_json}")
url=$(jq -r '.url' <<<"${curl_info_json}")
[[ ${code} == 200 ]] || error_exit "Failed to download $1"

local cache_path
cache_path=$(location_to_cache_path "${url}")
[[ -d ${cache_path} ]] || mkdir -p "${cache_path}"

Expand All @@ -369,18 +390,23 @@ function download_to_cache() {
[[ -f ${cache_path}/time && "$(<"${cache_path}/time")" == "${time}" ]] || needs_download=1
[[ -f ${cache_path}/type && "$(<"${cache_path}/type")" == "${type}" ]] || needs_download=1
if [[ ${needs_download} -eq 1 ]]; then
local code_time_type_url_filename
code_time_type_url_filename=$(
curl_info_json=$(
echo "downloading ${url}" >&2
curl -SL -w "%{http_code}\t%header{Last-Modified}\t%header{Content-Type}\t%{url_effective}\t%{filename_effective}" --no-clobber -o "${cache_path}/data" "${url}"
curl -SL -w "${write_out}" --no-clobber -o "${cache_path}/data" "${url}"
)
local filename
IFS=$'\t' read -r code time type url filename <<<"${code_time_type_url_filename}"
[[ ${code} == 200 ]] || exit 1
code=$(jq -r '.http_code' <<<"${curl_info_json}")
time=$(jq -r '.last_modified' <<<"${curl_info_json}")
type=$(jq -r '.content_type' <<<"${curl_info_json}")
url=$(jq -r '.url' <<<"${curl_info_json}")
filename=$(jq -r '.filename' <<<"${curl_info_json}")
[[ ${code} == 200 ]] || error_exit "Failed to download ${url}"
[[ "${cache_path}/data" == "${filename}" ]] || mv "${filename}" "${cache_path}/data"
# sha256.digest seems existing if expected digest is available. so, not creating it here.
# sha256sum "${cache_path}/data" | awk '{print "sha256:"$1}' >"${cache_path}/sha256.digest"
echo -n "${time}" >"${cache_path}/time"
else
touch "${cache_path}/time"
fi
[[ -f ${cache_path}/type ]] || echo -n "${type}" >"${cache_path}/type"
[[ -f ${cache_path}/url ]] || echo -n "${url}" >"${cache_path}/url"
Expand Down
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