.sh

commit 9daafb33f66d1ed30028a2203059922bbbc0cb0f
parent 8e010791298575b4a89d17673a6fae30fe95ef45
Author: Byron Torres <b@torresjrjr.com>
Date:   Tue, 18 Apr 2023 11:02:17 +0100

gfa*: make tmp files per process

Diffstat:
M
bin/gfa
 | 
35
++++++++++++++++++-----------------

1 file changed, 18 insertions(+), 17 deletions(-)
diff --git a/bin/gfa b/bin/gfa
@@ -4,22 +4,22 @@
 println() {
 	{ flock 3
 		line=$1 column=$2 colour=$3 text=$4
-		lines=$( wc -l </tmp/gfa-lines )
+		lines=$( wc -l <"$run/lines" )
 		offset=$(( $lines - $line + 1))
 		env printf '\r\e[%sA\e[%sC\e[%sm%s\e[m\r\e[%sB\r' \
 			$offset $column \
 			$colour "$text" \
 			$offset
-	} 3</tmp/gfa-mutex
+	} 3<"$run/mutex"
 }
 
 worker() {
-	local n="$( head -n1 /tmp/gfa-inits )"
+	local n="$( head -n1 "$run/inits" )"
 	local dir="${1%/.git}"
 
 	{ flock 3
-		env printf '\n' | tee -a /tmp/gfa-lines
-	} 3</tmp/gfa-mutex
+		env printf '\n' | tee -a "$run/lines"
+	} 3<"$run/mutex"
 
 	cd "$cwd"
 	cd "$dir"
@@ -27,8 +27,8 @@ worker() {
 
 	git fetch -q 2>&- || {
 		println $n $width 31  "$?"
-		env printf '\n' >/tmp/gfa-done
-		env printf '\n' >/tmp/gfa-finis
+		env printf '\n' >"$run/done"
+		env printf '\n' >"$run/finis"
 		return
 	}
 
@@ -51,8 +51,8 @@ worker() {
 			;;
 	esac
 
-	env printf '\n' >/tmp/gfa-done
-	env printf '\n' >/tmp/gfa-finis
+	env printf '\n' >"$run/done"
+	env printf '\n' >"$run/finis"
 	return
 }
 
@@ -69,11 +69,10 @@ repos=$( find -maxdepth "$maxdepth" -path '*/.git' -not -path '*/_*' | sort )
 width="$(printf '%s\n' "$repos" | wc -L)"
 total="$(printf '%s\n' "$repos" | wc -l)"
 
-touch /tmp/gfa-dummy
-rm /tmp/gfa-*
-touch /tmp/gfa-lines
-touch /tmp/gfa-mutex
-mkfifo /tmp/gfa-inits /tmp/gfa-finis /tmp/gfa-done
+run=$(mktemp -d)
+touch "$run/lines"
+touch "$run/mutex"
+mkfifo "$run/inits" "$run/finis" "$run/done"
 
 env printf '[fetching %s repos]\n' "$total"
 
@@ -86,7 +85,7 @@ worker_manager() {
 	for N in $(seq $total)
 	do
 		[ "$N" -gt $winsz ] && {
-			head -n1 /tmp/gfa-finis >/dev/null
+			head -n1 "$run/finis" >/dev/null
 		}
 
 		env printf '%s\n' "$N"
@@ -94,9 +93,11 @@ worker_manager() {
 	done
 }
 
-worker_manager >/tmp/gfa-inits &
+worker_manager >"$run/inits" &
 
 for N in $(seq $total)
 do
-	head -n1 /tmp/gfa-done >/dev/null
+	head -n1 "$run/done" >/dev/null
 done
+
+rm -r "$run"