From d398768d104641e4def1c37792fa792374bb05a5 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@samizdat>
Date: Mon, 4 Oct 2021 23:54:03 -0400
Subject: avoid creating files in current directory

---
 .gitignore     |  2 --
 selfpublish.sh | 24 ++++++++++++++++++------
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/.gitignore b/.gitignore
index b703b20..c00df13 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1 @@
 *.deb
-have-dependencies
-want-dependencies
diff --git a/selfpublish.sh b/selfpublish.sh
index 1029556..3ec7ca8 100644
--- a/selfpublish.sh
+++ b/selfpublish.sh
@@ -497,17 +497,29 @@ EOF
     echo
 }
 
-control_file_unchanged()
+in_temp_dir()
+{
+	(
+		__tempdir=$(mktemp -d) || return
+		__r=1
+		trap 'rm -rf "$__tempdir"; (exit $__r)' EXIT
+		cd "$__tempdir" && "$@"
+		__r=$?
+	)
+}
+
+_control_file_unchanged()
 {
-    (
-        destdir=$(mktemp -d)
-        trap 'rm -r "$destdir"' EXIT
         [ "$(dpkg-query -f '${Version}' -W ${SELF_PACKAGE})" = "${SELF_VERSION}" ] || return
 
         dependencies > want-dependencies
         dpkg-query -f '${Depends}\n' -W "${SELF_PACKAGE}" | sed 's/, */\n/g' | sort -u > have-dependencies
-        diff -q want-dependencies have-dependencies
-    )
+	diff -q want-dependencies have-dependencies
+}
+
+control_file_unchanged()
+{
+	in_temp_dir _control_file_unchanged "$@"
 }
 
 equivocate()
-- 
cgit v1.2.3