commit 3f34cfeae115be4254c19dff21b6c2213e7d8126
parent 08600ffa4aedd23ce97653ddc5b009f469139f4c
Author: Jacob R. Edwards <n/a>
Date: Sat, 12 Feb 2022 13:06:31 -0800
Add hardlinking to modsync script
You can disable it, with the c option, but otherwise it always
attempts to create a hardlink if the destination file doesn't already
exist. In this way the user doesn't have to think about it, but can
disable it if they want a more uniform experience.
Diffstat:
1 file changed, 21 insertions(+), 5 deletions(-)
diff --git a/lib/modsync b/lib/modsync
@@ -25,9 +25,7 @@ ask() {
# Could be dynamically generated for efficiency, install(1) is also
# an option.
-install() {
- echo "$2" 1>&2
- mkdir -p "$(dirname "$2")"
+update() {
cp -p "$1" "$2"
test "$owner" &&
chown "$owner" "$2"
@@ -35,18 +33,34 @@ install() {
chmod "$perms" "$2"
}
+install() {
+ mkdir -p "$(dirname "$2")"
+ # If there is an error, it's likely that we're on a different
+ # filesystem. If not, cp(1) will likely have the same one.
+ ! $fcopy &&
+ ln "$1" "$2" 2>/dev/null && return
+ update "$1" "$2"
+}
+
+# TODO: Differing source mode, owner, etc. should be updated in dest
filesync() {
# Fix diff(1) output, I cannot get it to produce it for the
# file I want when pulling.
- if ! test -f "$2"
+
+ if test "$1" -ef "$2"
+ then
+ return
+ elif ! test -f "$2"
then
+ echo "$2" 1>&2
install "$1" "$2"
elif $forcediff || test "$1" -nt "$2" -o "$1" -ot "$2"
then
if ! diff -u "$2" "$1" 1>&2
then
+ echo "$2" 1>&2
$patch && ask patch y &&
- install "$1" "$2"
+ update "$1" "$2"
else
touch -r "$1" "$2"
fi
@@ -94,6 +108,7 @@ patch=true
owner=
perms=
forcediff=false
+fcopy=false
while expr x"$1" : x- > /dev/null
do
case "$1" in
@@ -101,6 +116,7 @@ do
(-o) owner="$2"; shift ;;
(-p) perms="$2"; shift ;;
(-d) forcediff=true ;;
+ (-c) fcopy=true ;;
(*) usererror "$name: '$1': Invalid option" ;;
esac
shift
