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contrib: rework update-modules to fix race cond. #441

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Jun 20, 2024
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contrib: rework update-modules to fix race cond. #441

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59 changes: 34 additions & 25 deletions contrib/actions/update-modules.sh
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Original file line number Diff line number Diff line change
@@ -1,30 +1,39 @@
#!/bin/bash
set -eEu
set -o pipefail

# Die Datei, die die Repository-Informationen enthaelt
# file that contains the module information
MODULES_FILE="modules"

# Durchlaufe die Datei, um alle Repository-URLs und ihre entsprechenden Commit-Variablen zu finden
# shellcheck disable=SC2094
while IFS= read -r line; do
# Überprüfe, ob die Zeile eine Repository-URL ist
if [[ "$line" == "PACKAGES_"*"_REPO="* ]]; then
# Extrahiere den Repository-Namen und die URL
REPO_NAME=$(echo "$line" | cut -d '=' -f 1)
REPO_URL=$(echo "$line" | cut -d '=' -f 2-)

# Den neuesten Commit für das Repository abrufen
NEW_COMMIT=$(git ls-remote "$REPO_URL" | grep -oE '[0-9a-f]{40}' | head -n1)

# Überprüfen, ob ein neuer Commit gefunden wurde
if [ -n "$NEW_COMMIT" ]; then
# Den Wert des Commits in der Datei aktualisieren
# shellcheck disable=SC2094
COMMIT_LINE=$(grep -n "${REPO_NAME/_REPO/_COMMIT}" "$MODULES_FILE" | cut -d ':' -f 1)
# shellcheck disable=SC2094
sed -i "${COMMIT_LINE}s/.*/${REPO_NAME/_REPO/_COMMIT}=$NEW_COMMIT/" "$MODULES_FILE"
echo "Der Wert von ${REPO_NAME/_REPO/_COMMIT} wurde auf den neuesten Commit ($NEW_COMMIT) aktualisiert."
else
echo "Fehler: Der neueste Commit f r $REPO_NAME konnte nicht abgerufen werden."
fi
if ((BASH_VERSINFO[0] < 4)); then
echo "This script requires Bash 4.0 or above."
exit 1
fi

function get_value_from_line() {
cat | cut -d '=' -f 2
}

function get_all_repo_names() {
local file=$1
grep "^GLUON_SITE_FEEDS" "${file}" | get_value_from_line | tr -d "'"
}

for repo in $(get_all_repo_names "${MODULES_FILE}"); do
REPO_URL=$(grep "^PACKAGES_${repo^^}_REPO" "${MODULES_FILE}" | get_value_from_line)
REPO_COMMIT=$(grep "^PACKAGES_${repo^^}_COMMIT" "${MODULES_FILE}" | get_value_from_line)
REPO_BRANCH=$(grep "^PACKAGES_${repo^^}_BRANCH" "${MODULES_FILE}" | get_value_from_line)

# Get newest commit of the repo
NEW_COMMIT=$(git ls-remote --heads "${REPO_URL}" "${REPO_BRANCH}" | grep -oE '[0-9a-f]{40}')

# Check if the commit has changed
if [[ "${REPO_COMMIT}" == "${NEW_COMMIT}" ]]; then
echo "No updates for ${repo} repository"
continue
fi
done < "$MODULES_FILE"

# Update the value of the commit
sed -i "s/${REPO_COMMIT}/${NEW_COMMIT}/" "${MODULES_FILE}"
echo "Updated commit of ${repo} (${REPO_COMMIT}) to the newest commit (${NEW_COMMIT})."
done