powerline-go: fix PROMPT_COMMAND duplicate in bash initialization

poe84it · poe84it · commit b27e89da688d · 2025-08-19T12:37:43.000+02:00
diff --git a/modules/programs/powerline-go.nix b/modules/programs/powerline-go.nix
@@ -165,7 +165,9 @@ in
       }
 
       if [ "$TERM" != "linux" ]; then
-        PROMPT_COMMAND="_update_ps1;$PROMPT_COMMAND"
+        if [[ ";''${PROMPT_COMMAND:-};" != *";_update_ps1;"* ]]; then
+          PROMPT_COMMAND="_update_ps1''${PROMPT_COMMAND:+;$PROMPT_COMMAND}"
+        fi
       fi
     '';
 

Original file line number	Diff line number	Diff line change
`@@ -165,7 +165,9 @@ in`
`165`	`165`	`}`
`166`	`166`
`167`	`167`	`if [ "$TERM" != "linux" ]; then`
`168`		`- PROMPT_COMMAND="_update_ps1;$PROMPT_COMMAND"`
	`168`	`+ if [[ ";''${PROMPT_COMMAND:-};" != ";_update_ps1;" ]]; then`
	`169`	`+ PROMPT_COMMAND="_update_ps1''${PROMPT_COMMAND:+;$PROMPT_COMMAND}"`
	`170`	`+ fi`
`169`	`171`	`fi`
`170`	`172`	`'';`
`171`	`173`