Add "last" action to move the cursor to the last match

This is the opposite of "first" (previously known as "top").

CHANGELOG.md

@@ -23,6 +23,9 @@ CHANGELOG
   # Write "regular" if you want to clear the attributes
   fzf --color hl:176:regular,hl+:177:regular
   ```
+- Added `last` action to move the cursor to the last match
+    - The opposite action `top` is renamed to `first`, but `top` is still
+      recognized as a synonym for backward compatibility
 
 0.24.4
 ------

man/man1/fzf.1

@@ -21,7 +21,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 ..
-.TH fzf 1 "Dec 2020" "fzf 0.24.4" "fzf - a command-line fuzzy finder"
+.TH fzf 1 "Dec 2020" "fzf 0.24.5" "fzf - a command-line fuzzy finder"
 
 .SH NAME
 fzf - a command-line fuzzy finder
@@ -750,8 +750,8 @@ or any single character
 Triggered whenever the query string is changed
 
 e.g.
-     \fB# Moves cursor to the top (or bottom depending on --layout) whenever the query is changed
+     \fB# Move cursor to the first entry whenever the query is changed
-     fzf --bind change:top\fR
+     fzf --bind change:first\fR
 .RE
 
 \fIbackward-eof\fR
@@ -788,6 +788,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBend-of-line\fR               \fIctrl-e  end\fR
     \fBexecute(...)\fR              (see below for the details)
     \fBexecute-silent(...)\fR       (see below for the details)
+    \fBfirst\fR                     (move to the first match)
     \fBforward-char\fR              \fIctrl-f  right\fR
     \fBforward-word\fR              \fIalt-f   shift-right\fR
     \fBignore\fR
@@ -795,6 +796,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBjump-accept\fR               (jump and accept)
     \fBkill-line\fR
     \fBkill-word\fR                 \fIalt-d\fR
+    \fBlast\fR                      (move to the last match)
     \fBnext-history\fR              (\fIctrl-n\fR on \fB--history\fR)
     \fBpage-down\fR                 \fIpgdn\fR
     \fBpage-up\fR                   \fIpgup\fR
@@ -822,7 +824,6 @@ A key or an event can be bound to one or more of the following actions.
     \fBtoggle-preview-wrap\fR
     \fBtoggle-sort\fR
     \fBtoggle+up\fR                 \fIbtab    (shift-tab)\fR
-    \fBtop\fR                       (move to the top result)
     \fBunix-line-discard\fR         \fIctrl-u\fR
     \fBunix-word-rubout\fR          \fIctrl-w\fR
     \fBup\fR                        \fIctrl-k  ctrl-p  up\fR

src/options.go

@@ -879,8 +879,10 @@ func parseKeymap(keymap map[int][]action, str string) {
 				appendAction(actDown)
 			case "up":
 				appendAction(actUp)
-			case "top":
+			case "first", "top":
-				appendAction(actTop)
+				appendAction(actFirst)
+			case "last":
+				appendAction(actLast)
 			case "page-up":
 				appendAction(actPageUp)
 			case "page-down":

src/options_test.go

@@ -246,7 +246,7 @@ func TestBind(t *testing.T) {
 			"f1:execute(ls {+})+abort+execute(echo {+})+select-all,f2:execute/echo {}, {}, {}/,f3:execute[echo '({})'],f4:execute;less {};,"+
 			"alt-a:execute-Multi@echo (,),[,],/,:,;,%,{}@,alt-b:execute;echo (,),[,],/,:,@,%,{};,"+
 			"x:Execute(foo+bar),X:execute/bar+baz/"+
-			",f1:+top,f1:+top"+
+			",f1:+first,f1:+top"+
 			",,:abort,::accept,+:execute:++\nfoobar,Y:execute(baz)+up")
 	check(tui.CtrlA, "", actKillLine)
 	check(tui.CtrlB, "", actToggleSort, actUp, actDown)
@@ -254,7 +254,7 @@ func TestBind(t *testing.T) {
 	check(tui.AltZ+',', "", actAbort)
 	check(tui.AltZ+':', "", actAccept)
 	check(tui.AltZ, "", actPageDown)
-	check(tui.F1, "ls {+}", actExecute, actAbort, actExecute, actSelectAll, actTop, actTop)
+	check(tui.F1, "ls {+}", actExecute, actAbort, actExecute, actSelectAll, actFirst, actFirst)
 	check(tui.F2, "echo {}, {}, {}", actExecute)
 	check(tui.F3, "echo '({})'", actExecute)
 	check(tui.F4, "less {}", actExecute)

src/terminal.go

@@ -265,7 +265,8 @@ const (
 	actExecuteSilent
 	actExecuteMulti // Deprecated
 	actSigStop
-	actTop
+	actFirst
+	actLast
 	actReload
 )
 
@@ -2366,9 +2367,12 @@ func (t *Terminal) Loop() {
 					t.version++
 					req(reqList, reqInfo)
 				}
-			case actTop:
+			case actFirst:
 				t.vset(0)
 				req(reqList)
+			case actLast:
+				t.vset(t.merger.Length() - 1)
+				req(reqList)
 			case actUnixLineDiscard:
 				beof = len(t.input) == 0
 				if t.cx > 0 {