fix(dmsquash-live): handle relative pathspec

This change is required to make the earlier canonical example work that is mentioned in the documentation: At the same time, improve the documentation with a more specific example.
dracutdevs · Mar 6, 2023 · ed5b4b9 · ed5b4b9
1 parent 2334031
commit ed5b4b9
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diff --git a/man/dracut.cmdline.7.asc b/man/dracut.cmdline.7.asc
@@ -1157,7 +1157,7 @@ used.
 [listing]
 .Examples
 --
-rd.live.overlay=/dev/sdb1:persistent-overlay.img
+rd.live.overlay=/dev/sdb1:/persistent-overlay.img
 rd.live.overlay=UUID=99440c1f-8daa-41bf-b965-b7240a8996f4
 --
 

diff --git a/modules.d/90dmsquash-live/dmsquash-live-root.sh b/modules.d/90dmsquash-live/dmsquash-live-root.sh
@@ -145,7 +145,7 @@ do_live_overlay() {
         pathspec="/${live_dir}/overlay-$l-$u"
     elif strstr "$overlay" ":"; then
         # pathspec specified, extract
-        pathspec=${overlay##*:}
+        pathspec=/${overlay##*:}
     fi
 
     if [ -z "$pathspec" -o "$pathspec" = "auto" ]; then