X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-sh-setup.sh;h=c41c2f7439724adc3dd13b92c86b25d254fc23b8;hb=e627e50a70677c057e984aea8bac4c27687e9614;hp=f07d96b9b5e3997b21736893be39ce91950f4878;hpb=3827210b91a7d363ea67bcf0b9c6ee1c91d2f3c5;p=git.git

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index f07d96b9b..c41c2f743 100755
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -11,11 +11,48 @@
 # exporting it.
 unset CDPATH
 
+git_broken_path_fix () {
+	case ":$PATH:" in
+	*:$1:*) : ok ;;
+	*)
+		PATH=$(
+			SANE_TOOL_PATH="$1"
+			IFS=: path= sep=
+			set x $PATH
+			shift
+			for elem
+			do
+				case "$SANE_TOOL_PATH:$elem" in
+				(?*:/bin | ?*:/usr/bin)
+					path="$path$sep$SANE_TOOL_PATH"
+					sep=:
+					SANE_TOOL_PATH=
+				esac
+				path="$path$sep$elem"
+				sep=:
+			done
+			echo "$path"
+		)
+		;;
+	esac
+}
+
+# @@BROKEN_PATH_FIX@@
+
 die() {
 	echo >&2 "$@"
 	exit 1
 }
 
+GIT_QUIET=
+
+say () {
+	if test -z "$GIT_QUIET"
+	then
+		printf '%s\n' "$*"
+	fi
+}
+
 if test -n "$OPTIONS_SPEC"; then
 	usage() {
 		"$0" -h
@@ -85,27 +122,14 @@ cd_to_toplevel () {
 	cdup=$(git rev-parse --show-cdup)
 	if test ! -z "$cdup"
 	then
-		case "$cdup" in
-		/*)
-			# Not quite the same as if we did "cd -P '$cdup'" when
-			# $cdup contains ".." after symlink path components.
-			# Don't fix that case at least until Git switches to
-			# "cd -P" across the board.
-			phys="$cdup"
-			;;
-		..|../*|*/..|*/../*)
-			# Interpret $cdup relative to the physical, not logical, cwd.
-			# Probably /bin/pwd is more portable than passing -P to cd or pwd.
-			phys="$(/bin/pwd)/$cdup"
-			;;
-		*)
-			# There's no "..", so no need to make things absolute.
-			phys="$cdup"
-			;;
-		esac
-
-		cd "$phys" || {
-			echo >&2 "Cannot chdir to $phys, the toplevel of the working tree"
+		# The "-P" option says to follow "physical" directory
+		# structure instead of following symbolic links.  When cdup is
+		# "../", this means following the ".." entry in the current
+		# directory instead textually removing a symlink path element
+		# from the PWD shell variable.  The "-P" behavior is more
+		# consistent with the C-style chdir used by most of Git.
+		cd -P "$cdup" || {
+			echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
 			exit 1
 		}
 	fi