show message instead of automatically remove deprecated code

husky

@@ -1,5 +1,4 @@
 #!/usr/bin/env sh
-# shellcheck disable=SC1090
 [ "$HUSKY" = "2" ] && set -x
 n=$(basename "$0")
 s=$(dirname "$(dirname "$0")")/$n
@@ -14,14 +13,10 @@ i="${XDG_CONFIG_HOME:-$HOME/.config}/husky/init.sh"
 
 [ "${HUSKY-}" = "0" ] && exit 0
 
-c=0
-h() {
-	[ $c = 0 ] && return
-	[ $c != 0 ] && echo "husky - $n script failed (code $c)"
-	[ $c = 127 ] && echo "husky - command not found in PATH=$PATH"
-	exit 1
-}
-trap 'c=$?; h' EXIT
-set -e
-PATH=node_modules/.bin:$PATH
-. "$s"
+export PATH=node_modules/.bin:$PATH
+sh -e "$s" "$@"
+c=$?
+
+[ $c != 0 ] && echo "husky - $n script failed (code $c)"
+[ $c = 127 ] && echo "husky - command not found in PATH=$PATH"
+exit $c

index.js

@@ -3,7 +3,7 @@ import f, { readdir, writeFileSync as w } from 'fs'
 import p from 'path'
 
 let l = [ 'pre-commit', 'prepare-commit-msg', 'commit-msg', 'post-commit', 'applypatch-msg', 'pre-applypatch', 'post-applypatch', 'pre-rebase', 'post-rewrite', 'post-checkout', 'post-merge', 'pre-push', 'pre-auto-gc' ],
-	re = /^(#!\/usr\/bin\/env sh|\. "\$\(dirname -- "\$0"\)\/_\/husky\.sh")\r?\n/gm
+	msg = `echo "husky - DEPRECATED\n\nPlease remove the following lines from your hook scripts:\n\n#!/usr/bin/env sh\n. \\"\\$(dirname -- \\"\\$0\\")/_/husky.sh\\"\n\nThey WILL FAIL in v10.0.0\n"`
 
 export default (d = '.husky') => {
 	if (process.env.HUSKY === '0') return 'HUSKY=0 skip install'
@@ -16,18 +16,10 @@ export default (d = '.husky') => {
 	if (s) return '' + e
 
 	f.rmSync(_('husky.sh'), { force: true })
-	l.forEach(h => {
-		let hp = p.join(d, h)
-		if (!f.existsSync(hp)) return
-		let prev = f.readFileSync(hp, 'utf8')
-		let next = prev.replace(re, '')
-		if (prev !== next) console.log(`husky - removed deprecated code from ${hp}`)
-		f.writeFileSync(hp, next)
-	})
-
 	f.mkdirSync(_(), { recursive: true })
 	w(_('.gitignore'), '*')
 	f.copyFileSync(new URL('husky', import.meta.url), _('h'))
 	l.forEach(h => w(_(h), `#!/usr/bin/env sh\n. "\$(dirname "\$0")/h"`, { mode: 0o755 }))
+	w(_('husky.sh'), msg)
 	return ''
 }

test.sh

@@ -13,4 +13,4 @@ sh test/8_set_u.sh
 sh test/9_husky_0.sh
 sh test/10_init.sh
 sh test/11_time.sh
-sh test/12_rm_deprecated.sh
+sh test/12_deprecated.sh

test/12_deprecated.sh

@@ -5,17 +5,10 @@ install
 
 npx --no-install husky
 
+git add package.json
 cat > .husky/pre-commit <<'EOL'
-# foo
 #!/usr/bin/env sh
 . "$(dirname -- "$0")/_/husky.sh"
-# bar
 EOL
 
-cat > expected <<'EOL'
-# foo
-# bar
-EOL
-
-npx --no-install husky
-expect 0 "diff .husky/pre-commit expected"
+expect 0 "git commit -m foo"

test/7_node_modules_path.sh

@@ -7,5 +7,6 @@ npx --no-install husky
 
 # Test pre-commit
 git add package.json
-echo 'echo "$PATH" | grep -q "node_modules/.bin"' > .husky/pre-commit
+# Should not fail when running hook
+echo 'echo "$PATH" | grep "node_modules/.bin"' > .husky/pre-commit
 expect 0 "git commit -m foo"

test/8_set_u.sh

@@ -7,7 +7,7 @@ npx --no-install husky
 expect_hooksPath_to_be ".husky/_"
 
 git add package.json
-echo "echo \"pre-commit\"" >.husky/pre-commit
+echo "echo \"pre-commit\"" > .husky/pre-commit
 
 # Should not fail if set -u is used
 mkdir -p config/husky