feat(version): add spinner while checking upstream versions

It may take quite some time to check a lot of upstream versions.
However, we still want to nicely group the results together. To avoid
just showing a static status message it makes much more sense to show a
dynamic spinner with a summary of the progress.

Component: pkgctl version check
Component: pkgctl version upgrade
Signed-off-by: Levente Polyak <anthraxx@archlinux.org>

1 files changed, 48 insertions, 1 deletions

diff --git a/src/lib/version/check.sh b/src/lib/version/check.sh
index ddd400d..fba2d1a 100644
--- a/src/lib/version/check.sh
+++ b/src/lib/version/check.sh
@@ -8,6 +8,8 @@ DEVTOOLS_INCLUDE_VERSION_CHECK_SH=1
 _DEVTOOLS_LIBRARY_DIR=${_DEVTOOLS_LIBRARY_DIR:-@pkgdatadir@}
 # shellcheck source=src/lib/common.sh
 source "${_DEVTOOLS_LIBRARY_DIR}"/lib/common.sh
+# shellcheck source=src/lib/util/term.sh
+source "${_DEVTOOLS_LIBRARY_DIR}"/lib/util/term.sh
 
 source /usr/share/makepkg/util/message.sh
 
@@ -37,11 +39,12 @@ _EOF_
 pkgctl_version_check() {
 	local path
 	local pkgbases=()
-	local path pkgbase upstream_version result
+	local status_file path pkgbase upstream_version result
 
 	local up_to_date=()
 	local out_of_date=()
 	local failure=()
+	local current_item=0
 	local section_separator=''
 
 	while (( $# )); do
@@ -78,6 +81,10 @@ pkgctl_version_check() {
 		fi
 	fi
 
+	# start a terminal spinner as checking versions takes time
+	status_dir=$(mktemp --tmpdir="${WORKDIR}" --directory pkgctl-version-check-spinner.XXXXXXXXXX)
+	term_spinner_start "${status_dir}"
+
 	for path in "${pkgbases[@]}"; do
 		pushd "${path}" >/dev/null
 
@@ -85,6 +92,16 @@ pkgctl_version_check() {
 			die "No PKGBUILD found for ${path}"
 		fi
 
+		# update the current terminal spinner status
+		(( ++current_item ))
+		pkgctl_version_check_spinner \
+			"${status_dir}" \
+			"${#up_to_date[@]}" \
+			"${#out_of_date[@]}" \
+			"${#failure[@]}" \
+			"${current_item}" \
+			"${#pkgbases[@]}"
+
 		# reset common PKGBUILD variables
 		unset pkgbase pkgname arch source pkgver pkgrel validpgpkeys
 		# shellcheck source=contrib/makepkg/PKGBUILD.proto
@@ -120,6 +137,9 @@ pkgctl_version_check() {
 		popd >/dev/null
 	done
 
+	# stop the terminal spinner after all checks
+	term_spinner_stop "${status_dir}"
+
 	if (( ${#failure[@]} > 0 )); then
 		printf "%sFailure%s\n" "${section_separator}${BOLD}${UNDERLINE}" "${ALL_OFF}"
 		section_separator=$'\n'
@@ -256,3 +276,30 @@ pkgctl_version_check_summary() {
 		msg_warn " Out-of-date: ${BOLD}${out_of_date_count}${ALL_OFF}" 2>&1
 	fi
 }
+
+pkgctl_version_check_spinner() {
+	local status_dir=$1
+	local up_to_date_count=$2
+	local out_of_date_count=$3
+	local failure_count=$4
+	local current=$5
+	local total=$6
+
+	local percentage=$(( 100 * current / total ))
+	local tmp_file="${status_dir}/tmp"
+	local status_file="${status_dir}/status"
+
+	# print the current summary
+	pkgctl_version_check_summary \
+		"${up_to_date_count}" \
+		"${out_of_date_count}" \
+		"${failure_count}" > "${tmp_file}"
+
+	# print the progress status
+	printf "📡 Checking: %s/%s [%s] %%spinner%%" \
+		"${BOLD}${current}" "${total}" "${percentage}%${ALL_OFF}"  \
+		>> "${tmp_file}"
+
+	# swap the status file
+	mv "${tmp_file}" "${status_file}"
+}