From 2383aa498192091f08f57576ad1bac41cf85457f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Moritz=20Mei=C3=9Felbach?= <arbelzapf@gmail.com>
Date: Fri, 19 Jun 2020 22:31:54 +0200
Subject: #22. Add some very basic logging to help investigate this bug. debug
 information is directed to file descriptor 3 and can be dumped using
 `./sway-launcher-desktop.sh 3>> ~/sway-launcher-desktop.log`

---
 README.md                | 5 +++++
 sway-launcher-desktop.sh | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 84d716c..8d305f0 100644
--- a/README.md
+++ b/README.md
@@ -62,3 +62,8 @@ The `launch_cmd` is fired when the user has selected one of the provider's entri
 
 Note: Pass the environment variable `PROVIDERS_FILE` to read custom providers from another file than the default `providers.conf`.
 The path in `PROVIDERS_FILE` can either be absolute or relative to `${HOME}/.config/sway-launcher-desktop/`.
+
+
+## Troubleshooting
+
+Debug information is directed to file descriptor `3` and can be dumped using `./sway-launcher-desktop.sh 3>> ~/sway-launcher-desktop.log`
\ No newline at end of file
diff --git a/sway-launcher-desktop.sh b/sway-launcher-desktop.sh
index 7199474..34b7313 100755
--- a/sway-launcher-desktop.sh
+++ b/sway-launcher-desktop.sh
@@ -138,7 +138,9 @@ function entries() {
   # the empty stdin is needed in case no *.desktop files
 }
 function run-desktop() {
-  bash -c "$("${0}" generate-command "$@")"
+  CMD="$("${0}" generate-command "$@")"
+  echo "Generated Launch command from .desktop file: ${CMD}" >&3
+  bash -c "${CMD}"
 }
 function generate-command() {
   # Define the search pattern that specifies the block to search for within the .desktop file
@@ -232,6 +234,7 @@ describe | describe-desktop | describe-command | entries | list-entries | list-c
   exit
   ;;
 esac
+echo "Starting launcher instance with the following providers:" "${!PROVIDERS[@]}" >&3
 
 FZFPIPE=$(mktemp -u)
 mkfifo "$FZFPIPE"
@@ -276,4 +279,6 @@ readarray -d ${DEL} -t PROVIDER_ARGS <<<${PROVIDERS[${PARAMS[1]}]}
 # Substitute {1}, {2} etc with the correct values
 COMMAND=${PROVIDER_ARGS[2]//\{1\}/${PARAMS[0]}}
 COMMAND=${COMMAND//\{2\}/${PARAMS[3]}}
+COMMAND=${COMMAND%%[[:space:]]}
+echo "Launching command: ${COMMAND}" >&3
 (exec setsid /bin/sh -c "${COMMAND}" &>/dev/null &)
-- 
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