Changeset 751ae8c for scripts

Timestamp:

Apr 26, 2010, 7:52:03 PM (15 years ago)

Author:

Nelson Elhage <nelhage@mit.edu>

Branches:

master, release-1.10, release-1.6, release-1.7, release-1.8, release-1.9

Children:

0be790a

Parents:

0fd5bd5

git-author:

David Benjamin <davidben@mit.edu> (04/24/10 19:01:10)

git-committer:

Nelson Elhage <nelhage@mit.edu> (04/26/10 19:52:03)

Message:

If the targets do not exist, remove the link

This should correctly handle locker-updates to versions before and after
the soname migration.

File:

• scripts/locker-update (modified) (2 diffs)

scripts/locker-update

@@ -36 +36 @@
 cd /mit/barnowl/arch/
 
+update_symlink() {
+  local dir="$1"
+  local target="$2"
+  local link="$3"
+  if [ -e "$dir/$target" ]; then
+    # update the symlink
+    $E ln -sf "$target" "$dir/$link"
+  else
+    # delete the symlink
+    $E rm -f "$dir/$link"
+  fi
+}
+
 for i in *; do
     if [ -L "$i" ]; then
@@ -48 +61 @@
         # Sanity -- make sure the 'barnowl' symlink is correct.
         $E ln -sf "../../common/bin/barnowl$B" "$i/bin/barnowl$B"
-        [ -e "$i/bin/$NEWVERSION" ]         && $E ln -sf "$NEWVERSION"         "$i/bin/barnowl.real$B"
-        [ -e "$i/bin/$NEWVERSION.zephyr3" ] && $E ln -sf "$NEWVERSION.zephyr3" "$i/bin/barnowl.real$B.zephyr3"
-        [ -e "$i/bin/$NEWVERSION.zephyr4" ] && $E ln -sf "$NEWVERSION.zephyr4" "$i/bin/barnowl.real$B.zephyr4"
+        update_symlink "$i/bin" "$NEWVERSION"         "barnowl.real$B"
+        update_symlink "$i/bin" "$NEWVERSION.zephyr3" "barnowl.real$B.zephyr3"
+        update_symlink "$i/bin" "$NEWVERSION.zephyr4" "barnowl.real$B.zephyr4"
 
         $E ln -sf "zcrypt${NEWVERSION#barnowl}" "$i/bin/zcrypt"