Gabriel Brown
b4ce148caf
Every role carried a single representative type, so setting "Images" changed image/png and left image/jpeg wherever it landed. That is how this desktop ended up opening PDFs in GIMP, PNGs in a pixel-art editor and MP3s in a video transcoder: nobody chose any of it, applications registered themselves for everything they could read, and the roles governed one type each. Roles now own families and write every type when set, the settings page exposes the documents, text and archives roles it never offered, and a new seed command curates a fresh machine during setup while always keeping a choice the user has already made. The shipped editor entry launches kitty explicitly. The stock nvim.desktop sets Terminal=true, which defers to whatever the system considers default rather than the terminal this desktop themes. Claude-Session: https://claude.ai/code/session_01BRvzt4H8XXLPVH5MyYdk9L
105 lines
4.4 KiB
Bash
Executable File
105 lines
4.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
# A default-application role owns a FAMILY of types, and every type in it must
|
|
# agree.
|
|
#
|
|
# Each role used to map to a single representative type, so setting "images"
|
|
# changed image/png and left image/jpeg wherever it happened to land. That is
|
|
# how this desktop ended up opening PNGs in a pixel-art editor, MP3s in a video
|
|
# transcoder and PDFs in an image editor -- nobody chose any of it, the
|
|
# applications registered themselves and the roles governed one type each.
|
|
#
|
|
# The failure is invisible until someone double-clicks a file, which is the
|
|
# worst possible moment to discover it.
|
|
#
|
|
# Read-only: this inspects the schema of the roles and the state of the machine.
|
|
# It never changes a default, because doing so on the daily driver would be
|
|
# rude and the point is to detect drift, not create it.
|
|
|
|
set -uo pipefail
|
|
|
|
repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
|
|
helper="$repo_dir/config/dot/quickshell/scripts/panama-default-apps"
|
|
|
|
fail() {
|
|
printf 'default apps family contract: %s\n' "$1" >&2
|
|
exit 1
|
|
}
|
|
|
|
[[ -x "$helper" ]] || fail 'panama-default-apps is missing or not executable'
|
|
|
|
# The role table, read from the helper itself so the two cannot disagree.
|
|
families="$(python3 - "$helper" <<'PY'
|
|
import ast, re, sys
|
|
source = open(sys.argv[1]).read()
|
|
match = re.search(r"ROLE_TARGETS = (\{.*?\n\})", source, re.S)
|
|
if not match:
|
|
raise SystemExit("ROLE_TARGETS not found")
|
|
table = ast.literal_eval(match.group(1))
|
|
for role, (kind, targets) in table.items():
|
|
if kind != "mime":
|
|
continue
|
|
print(role + "\t" + ",".join(targets))
|
|
PY
|
|
)" || fail 'could not read ROLE_TARGETS from the helper'
|
|
|
|
[[ -n "$families" ]] || fail 'no mime-backed roles found'
|
|
|
|
command -v xdg-mime >/dev/null 2>&1 || { printf 'default apps family contract: SKIP (no xdg-mime)\n'; exit 0; }
|
|
|
|
checked=0
|
|
while IFS=$'\t' read -r role types; do
|
|
[[ -n "$role" ]] || continue
|
|
|
|
first=""
|
|
disagreeing=""
|
|
for mime in ${types//,/ }; do
|
|
handler="$(xdg-mime query default "$mime" 2>/dev/null)"
|
|
# A type nothing claims is not drift; it is simply unclaimed, and
|
|
# forcing a handler for every exotic type is not this role's job.
|
|
[[ -n "$handler" ]] || continue
|
|
if [[ -z "$first" ]]; then
|
|
first="$handler"
|
|
continue
|
|
fi
|
|
[[ "$handler" == "$first" ]] || disagreeing+="$mime->$handler "
|
|
done
|
|
|
|
[[ -z "$disagreeing" ]] \
|
|
|| fail "the \"$role\" role is split: its first type opens with $first but $disagreeing-- setting the role must write every type in the family"
|
|
|
|
checked=$((checked + 1))
|
|
done <<<"$families"
|
|
|
|
# Every role the helper can set must be reachable from the settings page, and
|
|
# every row on the page must name a role the helper knows. A role that exists
|
|
# only in the helper is unreachable from the UI; a row naming a role the helper
|
|
# does not have does nothing when someone taps it.
|
|
page="$repo_dir/config/dot/quickshell/modules/settings/ApplicationsPage.qml"
|
|
[[ -r "$page" ]] || fail 'ApplicationsPage.qml is missing'
|
|
|
|
helper_roles="$(python3 - "$helper" <<'ROLES'
|
|
import ast, re, sys
|
|
source = open(sys.argv[1]).read()
|
|
table = ast.literal_eval(re.search(r"ROLE_TARGETS = (\{.*?\n\})", source, re.S).group(1))
|
|
print("\n".join(sorted(table)))
|
|
ROLES
|
|
)"
|
|
page_roles="$(grep -o 'key: "[a-z]*"' "$page" | sed 's/key: "//; s/"//' | sort -u)"
|
|
|
|
missing="$(comm -23 <(printf '%s\n' "$helper_roles") <(printf '%s\n' "$page_roles") | tr '\n' ' ')"
|
|
extra="$(comm -13 <(printf '%s\n' "$helper_roles") <(printf '%s\n' "$page_roles") | tr '\n' ' ')"
|
|
[[ -z "${missing// }" ]] || fail "the helper can set these roles but the settings page never offers them: $missing"
|
|
[[ -z "${extra// }" ]] || fail "the settings page offers roles the helper cannot set: $extra"
|
|
|
|
# The editor Panama ships must launch in Panama's terminal. The stock
|
|
# nvim.desktop sets Terminal=true, which hands the launch to whatever the
|
|
# system considers default -- not necessarily the terminal this desktop themes.
|
|
entry="$repo_dir/config/local/share/applications/panama-nvim.desktop"
|
|
[[ -r "$entry" ]] || fail 'panama-nvim.desktop is missing'
|
|
grep -q '^Exec=kitty ' "$entry" || fail 'the shipped editor entry does not launch kitty explicitly'
|
|
grep -q '^Terminal=false' "$entry" \
|
|
|| fail 'the editor entry sets Terminal=true, which defers to the system terminal rather than kitty'
|
|
|
|
printf 'default apps family contract: PASS (%d role families consistent)\n' "$checked"
|