mergetools: create mergetool_find_win32_cmd() helper function for winmerge

Signed-off-by: Jacob Nisnevich <jacob.nisnevich@gmail.com>
Acked-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 54ac8e4..302c56d 100644 (file)
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -372,3 +372,28 @@ get_merge_tool () {
        fi
        echo "$merge_tool"
 }
+
+mergetool_find_win32_cmd () {
+       executable=$1
+       sub_directory=$2
+
+       # Use $executable if it exists in $PATH
+       if type -p "$executable" >/dev/null 2>&1
+       then
+               printf '%s' "$executable"
+               return
+       fi
+
+       # Look for executable in the typical locations
+       for directory in $(env | grep -Ei '^PROGRAM(FILES(\(X86\))?|W6432)=' |
+               cut -d '=' -f 2- | sort -u)
+       do
+               if test -n "$directory" && test -x "$directory/$sub_directory/$executable"
+               then
+                       printf '%s' "$directory/$sub_directory/$executable"
+                       return
+               fi
+       done
+
+       printf '%s' "$executable"
+}

diff --git a/mergetools/winmerge b/mergetools/winmerge
index 74a66d4..f3819d3 100644 (file)
--- a/mergetools/winmerge
+++ b/mergetools/winmerge
@@ -13,24 +13,5 @@ merge_cmd () {
 }
 
 translate_merge_tool_path() {
-       # Use WinMergeU.exe if it exists in $PATH
-       if type -p WinMergeU.exe >/dev/null 2>&1
-       then
-               printf WinMergeU.exe
-               return
-       fi
-
-       # Look for WinMergeU.exe in the typical locations
-       winmerge_exe="WinMerge/WinMergeU.exe"
-       for directory in $(env | grep -Ei '^PROGRAM(FILES(\(X86\))?|W6432)=' |
-               cut -d '=' -f 2- | sort -u)
-       do
-               if test -n "$directory" && test -x "$directory/$winmerge_exe"
-               then
-                       printf '%s' "$directory/$winmerge_exe"
-                       return
-               fi
-       done
-
-       printf WinMergeU.exe
+       mergetool_find_win32_cmd "WinMergeU.exe" "WinMerge"
 }