add fish complete

3 files changed, 53 insertions, 2 deletions

diff --git a/xmake/scripts/completions/register-completions.fish b/xmake/scripts/completions/register-completions.fish
new file mode 100755
index 000000000..a06a64443
--- /dev/null
+++ b/xmake/scripts/completions/register-completions.fish
@@ -0,0 +1,49 @@
+# fish parameter completion for xmake
+function _xmake_fish_complete
+    # Read the current command line
+    set -l raw_cmd (commandline)
+    set -l words (commandline -o)
+    # Get the current token
+    set -l token (commandline -ot)
+
+    # Call XMake built-in completion to get available results
+    set -l result (MAKE_SKIP_HISTORY=1 XMAKE_ROOT=y xmake lua private.utils.complete 0 nospace "$raw_cmd")
+    if test (count $result) -lt 1
+        # When there are no available completions, the function ends immediately
+        # Otherwise, the subsequent `contains` command will trigger an error
+        return 1
+    end
+
+    # Are there multiple selectable results?
+    # When there are multiple options, the user's current token is definitely incomplete
+    test (count $result) -gt 1
+    set -l is_multiple_choice $status
+    # Is the only selectable option identical to the current token under the cursor (which may be empty)?
+    # Identical means the user has already completed the process
+    # Repeated option outputs are not completions at the current cursor position
+    contains -- $token $result
+    set -l is_token_incomplete $status
+    # Is the only selectable option identical to the last visible token of the command line array?
+    # When completing without a prefix in every token position, the current token is an empty string
+    # The last item of the command line tokenized array is the token before the cursor
+    # This is mainly used to handle completions triggered after a space without a prefix
+    contains -- $words[-1] $result
+    set -l not_token_completed $status
+
+    test \( $is_token_incomplete -eq 1 \) -a \( $not_token_completed -eq 1 \)
+    test \( $is_multiple_choice -eq 0 \) -o \( $status -eq 0 \)
+    if test $status -eq 0
+        # When the completion list has more than one item, or the current token is different from the unique token in the completion list
+        # The user must not have completed the token and needs to be provided with completion options
+        for item in $result
+            # Each result takes up a separate line, and for the "-a" parameter, it needs to be echoed separately
+            # Although the result itself has a newline, "-a" still treats it as a whole,
+            # Without tokenizing it as multiple parameters
+            if not string match -- '*error*' "$item" > /dev/null
+                echo $item
+            end
+        end
+    end
+end
+
+complete -c xmake -f -a "(_xmake_fish_complete)"
diff --git a/xmake/scripts/completions/register-completions.zsh b/xmake/scripts/completions/register-completions.zsh
index 4a0bb9985..86f42498f 100755
--- a/xmake/scripts/completions/register-completions.zsh
+++ b/xmake/scripts/completions/register-completions.zsh
@@ -1,5 +1,5 @@
 # zsh parameter completion for xmake
-_xmake_zsh_complete() 
+_xmake_zsh_complete()
 {
   local completions=("$(XMAKE_SKIP_HISTORY=1 XMAKE_ROOT=y xmake lua private.utils.complete 0 nospace "$words")")
   reply=( "${(ps:\n:)completions}" )
@@ -7,7 +7,7 @@ _xmake_zsh_complete()
 compctl -f -S "" -K _xmake_zsh_complete xmake
 
 # zsh parameter completion for xrepo
-_xrepo_zsh_complete() 
+_xrepo_zsh_complete()
 {
   local completions=("$(XMAKE_SKIP_HISTORY=1 XMAKE_ROOT=y xmake lua private.xrepo.complete 0 nospace "$words")")
   reply=( "${(ps:\n:)completions}" )
diff --git a/xmake/scripts/register-completions.sh b/xmake/scripts/register-completions.sh
index 48335bd89..0f60869be 100755
--- a/xmake/scripts/register-completions.sh
+++ b/xmake/scripts/register-completions.sh
@@ -2,5 +2,7 @@ if   [[ "$SHELL" = */zsh ]]; then
   . "$XMAKE_PROGRAM_DIR/scripts/completions/register-completions.zsh"
 elif [[ "$SHELL" = */bash ]]; then
   . "$XMAKE_PROGRAM_DIR/scripts/completions/register-completions.bash"
+elif [[ "$SHELL" = */fish ]]; then
+  . "$XMAKE_PROGRAM_DIR/scripts/completions/register-completions.fish"
 fi