shake

commit 5a5001bc1ed40966e7e23e0bdee86a5434a5ad35
parent a834872d388cd578b39c3dd196b46121a3ca3708
Author: Jul <jul@9o.is>
Date:   Wed, 18 Mar 2026 15:08:21 +0800

change var command to let

Diffstat:
M
README.md
 | 
20
++++++++++----------
M
example/nested/Shakefile
 | 
10
+++++-----
M
example/nested/bin/Shakefile
 | 
2
+-
M
example/simple/Shakefile
 | 
8
++++----
M
shake
 | 
18
+++++++++---------

5 files changed, 29 insertions(+), 29 deletions(-)
diff --git a/README.md b/README.md
@@ -32,8 +32,8 @@ Run the installation script:
 1. **Create a Shakefile** in your project root:
 
 ```sh
-var CC    ${CC:-cc}
-var CFLAGS ${CFLAGS:--Wall -g}
+let CC    ${CC:-cc}
+let CFLAGS ${CFLAGS:--Wall -g}
 
 rule cc '$CC $CFLAGS -c $in -o $out'
     bind description 'CC $in'
@@ -75,8 +75,8 @@ Shake supports recursive builds - each subdirectory can have its own Shakefile:
 # Root Shakefile (extends the example above)
 shake lib
 
-var LIBDIR $dir/lib
-var CFLAGS $CFLAGS -I$LIBDIR
+let LIBDIR $dir/lib
+let CFLAGS $CFLAGS -I$LIBDIR
 
 cc   main.o: main.c - $LIBDIR/lib.h
 link  hello: main.o $LIBDIR/lib.a
@@ -84,7 +84,7 @@ link  hello: main.o $LIBDIR/lib.a
 
 ```sh
 # lib/Shakefile
-var AR ${AR:-ar}
+let AR ${AR:-ar}
 
 rule ar '$AR rcs $out $in'
     bind description 'AR $out'
@@ -131,14 +131,14 @@ you can run shake from any subdirectory.
 
 ### Variables
 
-Define variables with `var`:
+Define variables with `let`:
 
 ```sh
-var CC ${CC:-cc}
-var CFLAGS -Wall -g
+let CC ${CC:-cc}
+let CFLAGS -Wall -g
 ```
 
-Variables can reference environment variables with `${VAR:-default}` syntax. The var
+Variables can reference environment variables with `${VAR:-default}` syntax. The let
 command essentially writes a variable to the ninja file, and defines a shell variable
 so you can refer to it from any Shakefile.
 
@@ -206,7 +206,7 @@ Each subdirectory should have its own `Shakefile`. Shake generates Ninja files f
 
 Two special variables are automatically available:
 - `$dir` - the directory containing the current Shakefile
-- `$outdir` - the output directory (can be overridden with `-o` or var command)
+- `$outdir` - the output directory (can be overridden with `-o` or let command)
 
 ### Import Files
 
diff --git a/example/nested/Shakefile b/example/nested/Shakefile
@@ -1,8 +1,8 @@
-var CC      ${CC:-cc}
-var CFLAGS  ${CFLAGS:--Wall -Wextra -g}
-var PREFIX  ${PREFIX:-/usr/local}
-var DESTDIR ${DESTDIR:-}
-var LIBDIR  $dir/lib
+let CC      ${CC:-cc}
+let CFLAGS  ${CFLAGS:--Wall -Wextra -g}
+let PREFIX  ${PREFIX:-/usr/local}
+let DESTDIR ${DESTDIR:-}
+let LIBDIR  $dir/lib
 
 rule cc $CC $CFLAGS -c $in -o $out
     bind description CC $in
diff --git a/example/nested/bin/Shakefile b/example/nested/bin/Shakefile
@@ -1,4 +1,4 @@
-var CFLAGS $CFLAGS -I $LIBDIR
+let CFLAGS $CFLAGS -I $LIBDIR
 
 cc   main.o: main.c - $LIBDIR/lib.h
 link  hello: main.o $LIBDIR/lib.a
diff --git a/example/simple/Shakefile b/example/simple/Shakefile
@@ -1,7 +1,7 @@
-var CC      ${CC:-cc}
-var CFLAGS  ${CFLAGS:--Wall -Wextra -g}
-var PREFIX  ${PREFIX:-/usr/local}
-var DESTDIR ${DESTDIR:-}
+let CC      ${CC:-cc}
+let CFLAGS  ${CFLAGS:--Wall -Wextra -g}
+let PREFIX  ${PREFIX:-/usr/local}
+let DESTDIR ${DESTDIR:-}
 
 rule cc $CC $CFLAGS -c $in -o $out
     bind description CC $in
diff --git a/shake b/shake
@@ -162,9 +162,9 @@ shake() {
 			NINJA_FILES=$shakedir/local.ninja
 
 			_shake_open
-			var dir	$dir/$1
-			var outdir $outdir/$1
-			var shakedir $shakedir/$1
+			let dir	$dir/$1
+			let outdir $outdir/$1
+			let shakedir $shakedir/$1
 
 			[ "${2-}" ] && eval "$2 $1"
 			. $DIR/Shakefile
@@ -174,7 +174,7 @@ shake() {
 	fi
 }
 
-var() {
+let() {
 	printf '%s =' "$1" >&3
 	for _v in ${*:2}; do
 		printf ' %s' "$_v" >&3
@@ -427,11 +427,11 @@ out='$out'
 opts='$opts'
 
 _shake_open
-var ninja_required_version 1.8
-var builddir $SHAKEDIR
-var dir	$DIR
-var outdir $OUTDIR
-var shakedir $SHAKEDIR
+let ninja_required_version 1.8
+let builddir $SHAKEDIR
+let dir	$DIR
+let outdir $OUTDIR
+let shakedir $SHAKEDIR
 
 rule gen "$SHAKE_BIN $dir"
 bind description SHAKE $dir