add support for alt social apps (with _ENDPOINT_SOCIAL_APP)

src/commands/bsky_profile.sh

···
   📃 $count_posts $(atfile.util.get_int_suffix "$count_followers" "\e[37mPost\e[0m" "\e[37mPosts\e[0m") ∙ ⚙️  $count_feeds $(atfile.util.get_int_suffix "$count_feeds" "\e[37mFeed\e[0m" "\e[37mFeeds\e[0m") ∙ 📋 $count_lists $(atfile.util.get_int_suffix "$count_lists" "\e[37mList\e[0m" "\e[37mLists\e[0m") ∙ 👥 $count_packs $(atfile.util.get_int_suffix "$count_packs" "\e[37mPack\e[0m" "\e[37mPacks\e[0m")
   $type ∙ ✨ $date_created ∙ 🕷️  $date_indexed
   \e[37m$(atfile.util.repeat_char "-" 3)\e[0m
-  🦋 https://bsky.app/profile/$actor\n"
+  🦋 $_endpoint_social_app/profile/$actor\n"
 
         if [[ "$date_indexed" == "0001-01-01 00:00:00" ]]; then
             atfile.die "No Bluesky profile for '$actor'"

src/commands/help.sh

···
     ${_envvar_prefix}_PASSWORD <string> (required)
         Password of the PDS user
         ℹ️  An App Password is recommended
-           (https://bsky.app/settings/app-passwords)\n
+           ($_endpoint_social_app/settings/app-passwords)\n
     ${_envvar_prefix}_ENABLE_FINGERPRINT <bool¹> (default: $_enable_fingerprint_default)
         Apply machine fingerprint to uploaded files
     ${_envvar_prefix}_OUTPUT_JSON <bool¹> (default: $_output_json_default)
···
            resolving fails)
     ${_envvar_prefix}_ENDPOINT_PLC_DIRECTORY <url> (default: ${_endpoint_plc_directory_default}$([[ $_endpoint_plc_directory_default == *"zio.blue" ]] && echo "²"))
         Endpoint of the PLC directory
+    ${_envvar_prefix}_ENDPOINT_SOCIAL_APP <url> (default: ${_endpoint_social_app_default})
+        Endpoint of the Bluesky (or compatible) social app
     ${_envvar_prefix}_DISABLE_PBC_FALLBACK <bool¹> (default: $_disable_pbc_fallback)
         Disable the (hardcoded) usage of various Bluesky PBC-hosted fallbacks
         if/when required. Currently, there are fallbacks for:
···
     (c) $_meta_year $_meta_author <$_meta_repo>
     Licensed as MIT License ✨\n
     🦋 Follow @$handle on the ATmosphere
-       ↳ Bluesky: https://bsky.app/profile/$handle
+       ↳ $_endpoint_social_app_name: $_endpoint_social_app/profile/$handle
        ↳ Tangled: https://tangled.sh/@$handle
 
 Usage

src/commands/old_cmds.sh

···
             [ -x "$(command -v xdg-open)" ] && \
             [ -x "$(command -v gtk-launch)" ]; then
 
-            [[ -z $file_type ]] && file_type="text/html" # HACK: Open with browser if $file_type isn't set
+            # HACK: Open with browser if $file_type isn't set
+            [[ -z $file_type ]] && file_type="text/html"
 
             if [[ -z $handler ]]; then
                 atfile.say.debug "Querying for handler '$file_type'..."
···
                     json_output+="$c,"
                 else
                     if [[ $_os == "haiku" ]]; then
-                        echo -e "$key\t$name" # BUG: Haiku Terminal has issues with emojis
+                        # BUG: Haiku Terminal has issues with emojis
+                        echo -e "$key\t$name"
                     else
                         echo -e "$key\t$type_emoji $name"
                     fi

src/commands/something_broke.sh

···
 $(for s in "${ATFILE_DEVEL_INCLUDES[@]}"; do echo " ↳ $s"; done)
 $(atfile.something_broke.print_envvar "DEVEL_SOURCE")
 $(atfile.something_broke.print_envvar "DEVEL_PUBLISH" "$_devel_publish_default")
+$(atfile.something_broke.print_envvar "DISABLE_PBC_FALLBACK" "$_disable_pbc_fallback_default")
 $(atfile.something_broke.print_envvar "DISABLE_UPDATE_CHECKING" "$_disable_update_checking_default")
 $(atfile.something_broke.print_envvar "DISABLE_UPDATER" "$_disable_updater_default")
 ↳ ${_envvar_prefix}_DIST_PASSWORD: $([[ -n $(atfile.util.get_envvar "${_envvar_prefix}_DIST_PASSWORD") ]] && echo "(Set)")
···
 $(atfile.something_broke.print_envvar "ENDPOINT_JETSTREAM" "$_endpoint_jetstream_default")
 $(atfile.something_broke.print_envvar "ENDPOINT_PDS")
 $(atfile.something_broke.print_envvar "ENDPOINT_PLC_DIRECTORY" "$_endpoint_plc_directory_default")
+$(atfile.something_broke.print_envvar "ENDPOINT_SOCIAL_APP" "$_endpoint_social_app_default")
 $(atfile.something_broke.print_envvar "FMT_BLOB_URL" "$_fmt_blob_url_default")
 $(atfile.something_broke.print_envvar "FMT_OUT_FILE" "$_fmt_out_file_default")
 $(atfile.something_broke.print_envvar "FORCE_META_AUTHOR")

src/commands/update.sh

···
 
             echo "---"
             if [[ $_os == "haiku" ]]; then
+                # BUG: Haiku Terminal has issues with emojis
                 # shellcheck disable=SC2154
-                atfile.say "Update available ($latest_version)\n↳ Run \`$_prog update\` to update" # BUG: Haiku Terminal has issues with emojis
+                atfile.say "Update available ($latest_version)\n↳ Run \`$_prog update\` to update"
             else
                 atfile.say "😎 Update available ($latest_version)\n  ↳ Run \`$_prog update\` to update"
             fi

src/entry.sh

···
 #_endpoint_jetstream_default="wss://stream.zio.blue"
 _endpoint_jetstream_default="$_endpoint_jetstream_fallback"
 _endpoint_plc_directory_default="https://plc.zio.blue"
+_endpoint_social_app_default="https://bsky.app"
 _fmt_blob_url_default="[server]/xrpc/com.atproto.sync.getBlob?did=[did]&cid=[cid]"
 _fmt_out_file_default="[key]__[name]"
 _enable_fingerprint_default=0
···
 _endpoint_appview="$(atfile.util.get_envvar "${_envvar_prefix}_ENDPOINT_APPVIEW" "$_endpoint_appview_default")"
 _endpoint_jetstream="$(atfile.util.get_envvar "${_envvar_prefix}_ENDPOINT_JETSTREAM" "$_endpoint_jetstream_default")"
 _endpoint_plc_directory="$(atfile.util.get_envvar "${_envvar_prefix}_ENDPOINT_PLC_DIRECTORY" "$_endpoint_plc_directory_default")"
+_endpoint_social_app="$(atfile.util.get_envvar "${_envvar_prefix}_ENDPOINT_SOCIAL_APP" "$_endpoint_social_app_default")"
 _fmt_blob_url="$(atfile.util.get_envvar "${_envvar_prefix}_FMT_BLOB_URL" "$_fmt_blob_url_default")"
 _fmt_out_file="$(atfile.util.get_envvar "${_envvar_prefix}_FMT_OUT_FILE" "$_fmt_out_file_default")"
 _force_meta_author="$(atfile.util.get_envvar "${_envvar_prefix}_FORCE_META_AUTHOR")"
···
 _test_desktop_uas="Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0"
 _username="$(atfile.util.get_envvar "${_envvar_prefix}_USERNAME")"
 
-### NSIDs
+### Read-only
 
 _nsid_prefix="blue.zio"
 _nsid_lock="${_nsid_prefix}.atfile.lock"
 _nsid_meta="${_nsid_prefix}.atfile.meta"
 _nsid_upload="${_nsid_prefix}.atfile.upload"
+_endpoint_social_app_name="Bluesky"
+
+case "$_endpoint_social_app" in
+    "https://deer.social") _endpoint_social_app_name="Deer" ;;
+esac
 
 ## "Hello, world!"
 
···
 
 [[ -n $_force_meta_author ]] && \
     _meta_author="$_force_meta_author" &&\
-    atfile.say.debug "Overriding Copyright Author (\$_meta_author)\n↳ ${_envvar_prefix}_FORCE_META_AUTHOR set to '$_force_meta_author'"
+    atfile.util.print_override_envvar_debug "Copyright Author" "_meta_author"
 [[ -n $_force_meta_did ]] && \
     _meta_did="$_force_meta_did" &&\
     _dist_username="$(atfile.util.get_envvar "${_envvar_prefix}_DIST_USERNAME" "$_meta_did")" &&\
-    atfile.say.debug "Overriding DID (\$_meta_did)\n↳ ${_envvar_prefix}_FORCE_META_DID set to '$_force_meta_did'"
+    atfile.util.print_override_envvar_debug "DID" "_meta_did"
 [[ -n $_force_meta_repo ]] && \
     _meta_repo="$_force_meta_repo" &&\
-    atfile.say.debug "Overriding Repo URL (\$_meta_repo)\n↳ ${_envvar_prefix}_FORCE_META_REPO set to '$_force_meta_repo'"
+    atfile.util.print_override_envvar_debug "Repo URL" "_meta_author"
 [[ -n $_force_meta_year ]] && \
     _meta_year="$_force_meta_year" &&\
-    atfile.say.debug "Overriding Copyright Year (\$_meta_year)\n↳ ${_envvar_prefix}_FORCE_META_YEAR set to '$_force_meta_year'"
+    atfile.util.print_override_envvar_debug "Copyright Year" "_meta_year"
 [[ -n $_force_now ]] && \
     _now="$_force_now" &&\
-    atfile.say.debug "Overriding Now (\$_now)\n↳ ${_envvar_prefix}_FORCE_NOW set to '$_force_now'"
+    atfile.util.print_override_envvar_debug "Current Time" "_now"
 [[ -n $_force_os ]] &&\
     _os="$_force_os" &&\
-    atfile.say.debug "Overriding OS (\$_os)\n↳ ${_envvar_prefix}_FORCE_OS set to '$_force_os'"
+    atfile.util.print_override_envvar_debug "OSL" "_os"
 [[ -n $_force_version ]] && \
     _version="$_force_version" &&\
-    atfile.say.debug "Overriding Version (\$_version)\n↳ ${_envvar_prefix}_FORCE_VERSION set to '$_force_version'"
+    atfile.util.print_override_envvar_debug "Version" "_version"
 
 ### Validation
 

src/shared/util.sh

···
 
     if [[ -n "$actor" && -n "$collection" && -n "$rkey" ]]; then
         case "$collection" in
-            "app.bsky.actor.profile") resolved_url="https://bsky.app/profile/$actor" ;;
-            "app.bsky.feed.generator") resolved_url="https://bsky.app/profile/$actor/feed/$rkey" ;;
-            "app.bsky.graph.list") resolved_url="https://bsky.app/profile/$actor/lists/$rkey" ;;
-            "app.bsky.graph.starterpack") resolved_url="https://bsky.app/starter-pack/$actor/$rkey" ;;
-            "app.bsky.feed.post") resolved_url="https://bsky.app/profile/$actor/post/$rkey" ;;
+            "app.bsky.actor.profile") resolved_url="$_endpoint_social_app/profile/$actor" ;;
+            "app.bsky.feed.generator") resolved_url="$_endpoint_social_app/profile/$actor/feed/$rkey" ;;
+            "app.bsky.graph.list") resolved_url="$_endpoint_social_app/profile/$actor/lists/$rkey" ;;
+            "app.bsky.graph.starterpack") resolved_url="$_endpoint_social_app/starter-pack/$actor/$rkey" ;;
+            "app.bsky.feed.post") resolved_url="$_endpoint_social_app/profile/$actor/post/$rkey" ;;
             "blue.linkat.board") resolved_url="https://linkat.blue/$actor_handle" ;;
             "blue.zio.atfile.upload") ignore_url_validation=1 && resolved_url="atfile://$actor/$rkey" ;;
-            "chat.bsky.actor.declaration") resolved_url="https://bsky.app/messages/settings" ;;
+            "chat.bsky.actor.declaration") resolved_url="$_endpoint_social_app/messages/settings" ;;
             "com.shinolabs.pinksea.oekaki") resolved_url="https://pinksea.art/$actor/oekaki/$rkey" ;;
             "com.whtwnd.blog.entry") resolved_url="https://whtwnd.com/$actor/$rkey" ;;
             "events.smokesignal.app.profile") resolved_url="https://smokesignal.events/$actor" ;;
···
                         "app.bsky.feed.threadgate")
                             resolved_url="$(atfile.util.get_app_url_for_at_uri "$(echo "$record" | jq -r '.value.post')")" ;;
                         "app.bsky.graph.follow")
-                            resolved_url="https://bsky.app/profile/$(echo "$record" | jq -r '.value.subject')" ;;
+                            resolved_url="$_endpoint_social_app/profile/$(echo "$record" | jq -r '.value.subject')" ;;
                         "app.bsky.graph.listblock")
                             resolved_url="$(atfile.util.get_app_url_for_at_uri "$(echo "$record" | jq -r '.value.subject')")" ;;
                         "app.bsky.graph.listitem")
-                            resolved_url="https://bsky.app/profile/$(echo "$record" | jq -r '.value.subject')" ;;
+                            resolved_url="$_endpoint_social_app/profile/$(echo "$record" | jq -r '.value.subject')" ;;
                         "events.smokesignal.calendar.rsvp")
                             resolved_url="$(atfile.util.get_app_url_for_at_uri "$(echo "$record" | jq -r '.value.subject.uri')")" ;;
                         "fyi.unravel.frontpage.comment")
···
 ║    Do not upload copyrighted files!    ║ 
 ╚════════════════════════════════════════╝"
     fi
+}
+
+function atfile.util.print_override_envvar_debug() {
+    pretty_name="$1"
+    override_variable="$2"
+    
+    override_value="$(eval echo "\$_force${override_variable}")"
+    envvar_suffix="_FORCE${override_variable^^}"
+
+    atfile.say.debug "Overriding $pretty_name (\$$override_variable)\n↳ ${_envvar_prefix}$envvar_suffix set to '$override_value'"
 }
 
 function atfile.util.print_seconds_since_start_debug() {