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-rwxr-xr-xabuild.in20
1 files changed, 19 insertions, 1 deletions
diff --git a/abuild.in b/abuild.in
index 4437877..65778d1 100755
--- a/abuild.in
+++ b/abuild.in
@@ -86,6 +86,9 @@ cleanup() {
msg "Uninstalling dependencies..."
$SUDO $APK del --quiet $apk_opt_wait $uninstall_after
fi
+ if [ -n "$CLEANUP_FILES" ]; then
+ rm -f $CLEANUP_FILES
+ fi
}
die() {
@@ -258,7 +261,8 @@ uri_fetch() {
local d="${uri##*/}" # $(basename $uri)
local opts
[ -n "$quiet" ] && opts="-s"
- [ -f "$SRCDEST/$d" ] && return 0
+
+ local lockfile="$SRCDEST/$d".lock
# fix saveas-*://* URIs
case "$uri" in
@@ -272,6 +276,14 @@ uri_fetch() {
esac
mkdir -p "$SRCDEST"
+
+ CLEANUP_FILES="$CLEANUP_FILES $lockfile"
+ (
+ flock -n -x 200 || msg "Waiting for ${lockfile##*/}..."
+ flock -w 600 -x 200
+
+ [ -f "$SRCDEST/$d" ] && exit 0 # use exit since its a subshell
+
if [ -f "$SRCDEST/$d.part" ]; then
msg "Partial download found. Trying to resume"
opts="$opts -C -"
@@ -289,6 +301,12 @@ uri_fetch() {
$fetcher $opts -o "$SRCDEST/$d.part" "$uri" \
&& mv "$SRCDEST/$d.part" "$SRCDEST/$d"
+
+ ) 200>$lockfile
+
+ local rc=$?
+ rm -f "$lockfile"
+ return $rc
}
is_remote() {