From 4fecc76083bebc31e0bfa47e7313f98c617ebd3d Mon Sep 17 00:00:00 2001
From: Linus Dierheimer <Linus@Dierheimer.de>
Date: Tue, 15 Jun 2021 09:51:55 +0200
Subject: [PATCH] specific fish version code

---
 src/common/detectTerminalShell.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/common/detectTerminalShell.c b/src/common/detectTerminalShell.c
index 5507fc39f..b019ddc01 100644
--- a/src/common/detectTerminalShell.c
+++ b/src/common/detectTerminalShell.c
@@ -166,6 +166,18 @@ static void getShellVersionZsh(FFstrbuf* exe, FFstrbuf* version)
     });
 }
 
+static void getShellVersionFish(FFstrbuf* exe, FFstrbuf* version)
+{
+    ffProcessAppendStdOut(version, (char* const[]) {
+        "env",
+        "-i",
+        exe->chars,
+        "-c",
+        "printf \"%s\" \"$FISH_VERSION\"",
+        NULL
+    });
+}
+
 static void getShellVersionGeneric(FFstrbuf* exe, const char* exeName, FFstrbuf* version)
 {
     FFstrbuf command;
@@ -194,6 +206,8 @@ static void getShellVersion(FFstrbuf* exe, const char* exeName, FFstrbuf* versio
         getShellVersionBash(exe, version);
     else if(strcasecmp(exeName, "zsh") == 0)
         getShellVersionZsh(exe, version);
+    else if(strcasecmp(exeName, "fish") == 0)
+        getShellVersionFish(exe, version);
     else
         getShellVersionGeneric(exe, exeName, version);
 }