screen-lock: the operator's lock screen is kept, i3lock-color with its blur, ring and clock

The first version swapped the colour build for the distribution's plain i3lock and locked to black;
adopting means keeping what the operator had. Plain i3lock remains the fallback, with a blurred
screenshot of its own.

modules/screen-lock/module.json

@@ -29,12 +29,6 @@
     }
   ],
   "resources": [
-    {
-      "id": "colour-locker",
-      "type": "package",
-      "package": "i3lock-color",
-      "absent": true
-    },
     {
       "id": "screensaver",
       "type": "package",
@@ -57,7 +51,7 @@
       "path": "${machine:account-home}/.local/bin/screen-lock",
       "owner": "${machine:account}",
       "mode": "0755",
-      "content": "#!/usr/bin/env bash\n# screen-lock (module screen-lock, novox/hq ADR 0208): the locker. xss-lock runs it on idle, before\n# suspend and on logind's Lock, and node-lock-screen's `lock` ends in it.\n#\n# The distribution's i3lock: a black screen, failed attempts shown, an empty Enter ignored. The colour\n# build the predecessor used is not in the distribution; it can come back as a pinned archive\n# (ADR 0205), and then only these options change.\n#\n# Before a suspend, xss-lock hands this script a lock on the sleep (XSS_SLEEP_LOCK_FD) and suspends\n# once it is released. The locker must not inherit it, or the machine would wait for the unlock\n# before sleeping; it is released once i3lock is up, so the machine never sleeps unlocked. This is\n# xss-lock's own documented pattern for i3lock.\nset -u\n\noptions=(--color=000000 --show-failed-attempts --ignore-empty-password)\n\n# One locker: a second press of the key, or a lock while locked, changes nothing.\nif pgrep -xu \"$EUID\" i3lock >/dev/null; then\n\texit 0\nfi\n\nif [[ -e /dev/fd/${XSS_SLEEP_LOCK_FD:--1} ]]; then\n\tkill_i3lock() { pkill -xu \"$EUID\" \"$@\" i3lock; }\n\ttrap kill_i3lock TERM INT\n\ti3lock \"${options[@]}\" {XSS_SLEEP_LOCK_FD}<&-\n\texec {XSS_SLEEP_LOCK_FD}<&-\n\twhile kill_i3lock -0; do\n\t\tsleep 0.5\n\tdone\nelse\n\ttrap 'kill %%' TERM INT\n\ti3lock --nofork \"${options[@]}\" &\n\twait\nfi\n"
+      "content": "#!/usr/bin/env bash\n# screen-lock (module screen-lock, novox/hq ADR 0208): the locker. xss-lock runs it on idle, before\n# suspend and on logind's Lock, and node-lock-screen's `lock` ends in it.\n#\n# The operator's look, adopted from the predecessor's my-i3lock: the screen as it was, blurred, with\n# an orange ring, the time and the date. That needs i3lock-color, from the distribution's user\n# repository, kept as found until the mesh carries such software (novox/hq research 027, question 1).\n# On a machine without it the distribution's i3lock shows the same blurred screen, taken here, with\n# its own plain ring; failing that, black.\n#\n# Before a suspend, xss-lock hands this script a lock on the sleep (XSS_SLEEP_LOCK_FD) and suspends\n# once it is released. The locker must not inherit it, or the machine would wait for the unlock\n# before sleeping; it is released once i3lock is up, so the machine never sleeps unlocked. This is\n# xss-lock's own documented pattern for i3lock.\nset -u\n\n# One locker: a second press of the key, or a lock while locked, changes nothing.\nif pgrep -xu \"$EUID\" i3lock >/dev/null; then\n\texit 0\nfi\n\nif i3lock --version 2>&1 | grep -qi color; then\n\tblank='#00000000' clear='#ffffff22' accent='#ca4a00' wrong='#880000bb' verifying='#bb00bbbb'\n\toptions=(\n\t\t--insidever-color=\"$clear\" --ringver-color=\"$verifying\"\n\t\t--insidewrong-color=\"$clear\" --ringwrong-color=\"$wrong\"\n\t\t--inside-color=\"$blank\" --ring-color=\"$accent\" --line-color=\"$blank\" --separator-color=\"$accent\"\n\t\t--verif-color=\"$accent\" --wrong-color=\"$accent\" --time-color=\"$accent\" --date-color=\"$accent\"\n\t\t--layout-color=\"$accent\" --keyhl-color=\"$wrong\" --bshl-color=\"$wrong\"\n\t\t--screen 1 --blur 5 --ring-width=7.0 --clock --indicator\n\t\t--time-str=\"%H:%M:%S\" --date-str=\"%A, %Y-%m-%d\"\n\t\t--time-font=sans-serif --date-font=sans-serif --verif-font=sans-serif\n\t\t--wrong-font=sans-serif --layout-font=sans-serif --keylayout 1\n\t\t--show-failed-attempts --ignore-empty-password\n\t)\nelse\n\toptions=(--color=000000 --show-failed-attempts --ignore-empty-password)\n\tshot=\"${XDG_RUNTIME_DIR:-/tmp}/screen-lock.png\"\n\tif command -v magick >/dev/null && magick import -window root -resize 25% -blur 0x3 -resize 400% \"$shot\" 2>/dev/null; then\n\t\toptions+=(--image=\"$shot\")\n\tfi\nfi\n\nif [[ -e /dev/fd/${XSS_SLEEP_LOCK_FD:--1} ]]; then\n\tkill_i3lock() { pkill -xu \"$EUID\" \"$@\" i3lock; }\n\ttrap kill_i3lock TERM INT\n\ti3lock \"${options[@]}\" {XSS_SLEEP_LOCK_FD}<&-\n\texec {XSS_SLEEP_LOCK_FD}<&-\n\twhile kill_i3lock -0; do\n\t\tsleep 0.5\n\tdone\nelse\n\ttrap 'kill %%' TERM INT\n\ti3lock --nofork \"${options[@]}\" &\n\twait\nfi\n"
     }
   ],
   "build": {