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-rwxr-xr-x.local/bin/emacs-update-packages32
1 files changed, 20 insertions, 12 deletions
diff --git a/.local/bin/emacs-update-packages b/.local/bin/emacs-update-packages
index 2f162a5..ecf5267 100755
--- a/.local/bin/emacs-update-packages
+++ b/.local/bin/emacs-update-packages
@@ -8,7 +8,15 @@
set -euo pipefail
test "${DEBUG:-}" && set -x
-BKPDIR=.elpa.$(date +%F-%T)
+cd ~/.config/emacs
+
+test -L elpa || {
+ echo >&2 "'elpa' directory must be a symlink."
+ exit 1
+}
+
+OLDELPADIR=$(readlink elpa)
+NEWELPADIR=.elpa.$(date +%F-%T)
read-packages ()
{
@@ -57,8 +65,8 @@ compare-packages ()
# Make a patch for later review.
(
set +e
- diff > ${BKPDIR}/update-${pkg}.patch \
- -ru ${BKPDIR}/${pkg}-${oldv} elpa/${pkg}-${newv}
+ diff > ${NEWELPADIR}/update-${pkg}.patch \
+ -ru ${OLDELPADIR}/${pkg}-${oldv} ${NEWELPADIR}/${pkg}-${newv}
diffstatus=$?
@@ -73,15 +81,15 @@ compare-packages ()
done
}
-(
- cd ~/.config/emacs
- cp -a elpa ${BKPDIR}
+cp -a ${OLDELPADIR} ${NEWELPADIR}
+
+declare -A OLDPACKAGES NEWPACKAGES
- declare -A OLDPACKAGES NEWPACKAGES
+read-packages OLDPACKAGES
+ln -fsT ${NEWELPADIR} elpa
- read-packages OLDPACKAGES
- emacs -f package-upgrade-all -f package-autoremove
- read-packages NEWPACKAGES
+emacs -f package-upgrade-all -f package-autoremove
+read-packages NEWPACKAGES
- enum-packages | compare-packages | column -ts$'\t'
-)
+enum-packages | compare-packages | column -ts$'\t' |
+ tee ${NEWELPADIR}/update.sum