services: Disable systemd service linking

I have not used (most) of these services in a long time. This makes the
unlinking more official. Also paves the way for setting up simple
runit-managed user services.

services/systemd/.local/share/services/git-sync

@@ -0,0 +1,111 @@
+#!/usr/bin/env sh
+#
+# Keeps a git directory synced by automatically committing every x seconds.
+# After y number of runs without changes automatically pushes the directory to a remote.
+
+# time in seconds to check for changes to commit
+TIME_TO_COMMIT=${GS_TIME_TO_COMMIT:-120}
+# amount of times to check for changes *without changes occurring* to push to origin
+UNCHANGED_RUNS_TO_PUSH=${GS_UNCHANGED_RUNS_TO_PUSH:-30}
+
+# logging verbosity level -- 0=error, 1=info, 2=debug
+VERBOSITY=${GS_LOG_VERBOSITY:-1}
+
+set_target() {
+  [ -z "$GS_TARGETDIR" ] && [ -z "$1" ] && {
+    msg "ERROR: git-sync requires a target directory to keep in sync to be passed in." 0
+    exit 1
+  }
+  DIR="${GS_TARGETDIR:-$1}"
+}
+
+pull() {
+  msg "Pulling upstream changes into $DIR"
+  run_git pull --ff-only --ff
+}
+
+commit() {
+  msg "Committing changes to $DIR"
+  run_git add .
+  # shellcheck disable=2039
+  run_git commit --no-gpg-sign -m "Git sync: $(date +%F_%R) from ${HOSTNAME:-"${HOST:-undefined}"}"
+}
+
+push() {
+  msg "No changes for $((UNCHANGED_RUNS_TO_PUSH * TIME_TO_COMMIT)) seconds, pushing to origin"
+  run_git push
+}
+
+should_commit() {
+  if [ "$(run_git diff-files --name-only | wc -l)" -eq 0 ]; then
+    msg "No changes to commit in $DIR" 2
+    false
+  else
+    msg "Found changes to commit in $DIR" 2
+    true
+  fi
+}
+
+should_push() {
+  if [ "$no_change_cycle" -ge "$UNCHANGED_RUNS_TO_PUSH" ]; then
+    true
+  else
+    false
+  fi
+}
+
+should_pull() {
+  run_git fetch
+  # shellcheck disable=1083
+  if [ "$(run_git rev-parse HEAD)" = "$(run_git rev-parse @{u})" ]; then
+    false
+  else
+    true
+  fi
+}
+
+run_git() {
+  git -C "$DIR" "$@"
+}
+
+# echos its first argument
+# verbosity level optionally set through second argument
+# default verbosity 1 (info), can be set to 2 (debug), or 0 (error)
+msg() {
+  lvl=${2:-1}
+  [ "$lvl" -gt "$VERBOSITY" ] && return 0
+
+  echo "$1"
+}
+
+watch_changes() {
+  no_change_cycle=0
+  while true; do
+    if should_pull; then
+      pull
+    fi
+
+    if should_commit; then
+      commit
+      no_change_cycle=0
+    fi
+
+    if should_push; then
+      push
+      no_change_cycle=-9999
+    fi
+
+    msg "No changes for $((no_change_cycle * TIME_TO_COMMIT)) of $((UNCHANGED_RUNS_TO_PUSH * TIME_TO_COMMIT)) seconds, going back to sleep for $((TIME_TO_COMMIT)) seconds." 2
+
+    no_change_cycle=$((no_change_cycle + 1))
+    sleep "$TIME_TO_COMMIT"
+  done
+}
+
+main() {
+  set_target "$1"
+
+  watch_changes
+}
+
+main "$1"

services/systemd/.local/share/services/x-started-confirm.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# from: https://superuser.com/questions/759759/writing-a-service-that-depends-on-xorg/1351489#1351489
+
+COUNTER=0
+
+while true; do
+    # Check whether or not socket exists
+    if [ -S /tmp/.X11-unix/X0 ]; then
+        exit 0
+    fi
+
+    ((++COUNTER))
+
+    if [ "$COUNTER" -gt 20 ]; then
+        printf "X did not start in time\n"
+        exit 1
+    fi
+    printf "X not yet started, counter at %s\n" "$COUNTER"
+    sleep 1
+done