Re* [PATCH] allow git-am to run in a subdirectory

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Jeff King <peff@xxxxxxxx> writes:

> The problem is that I need to turn the original "$@" into a new "$@"
> that is correctly prefixed, which requires proper quoting.

Perhaps like this?

---
 git-am.sh            |   19 +++++++++++++
 t/t4150-am-subdir.sh |   72 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+), 0 deletions(-)

diff --git a/git-am.sh b/git-am.sh
index a2c6fea..de34636 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -24,6 +24,7 @@ r,resolved      to be used after a patch failure
 skip            skip the current patch"
 
 . git-sh-setup
+prefix=$(git rev-parse --show-prefix)
 set_reflog_action am
 require_work_tree
 cd_to_toplevel
@@ -206,6 +207,24 @@ else
 	# Start afresh.
 	mkdir -p "$dotest" || exit
 
+	if test -n "$prefix" && test $# != 0
+	then
+		first=t
+		for arg
+		do
+			test -n "$first" && {
+				set x
+				first=
+			}
+			case "$arg" in
+			/*)
+				set "$@" "$arg" ;;
+			*)
+				set "$@" "$prefix$arg" ;;
+			esac
+		done
+		shift
+	fi
 	git mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" ||  {
 		rm -fr "$dotest"
 		exit 1
diff --git a/t/t4150-am-subdir.sh b/t/t4150-am-subdir.sh
new file mode 100755
index 0000000..929d2cb
--- /dev/null
+++ b/t/t4150-am-subdir.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+test_description='git am running from a subdirectory'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+	echo hello >world &&
+	git add world &&
+	test_tick &&
+	git commit -m initial &&
+	git tag initial &&
+	echo goodbye >world &&
+	git add world &&
+	test_tick &&
+	git commit -m second &&
+	git format-patch --stdout HEAD^ >patchfile &&
+	: >expect
+'
+
+test_expect_success 'am regularly from stdin' '
+	git checkout initial &&
+	git am <patchfile &&
+	git diff master >actual &&
+	diff -u expect actual
+'
+
+test_expect_success 'am regularly from file' '
+	git checkout initial &&
+	git am patchfile &&
+	git diff master >actual &&
+	diff -u expect actual
+'
+
+test_expect_success 'am regularly from stdin in subdirectory' '
+	rm -fr subdir &&
+	git checkout initial &&
+	(
+		mkdir -p subdir &&
+		cd subdir &&
+		git am <../patchfile
+	) &&
+	git diff master>actual &&
+	diff -u expect actual
+'
+
+test_expect_success 'am regularly from file in subdirectory' '
+	rm -fr subdir &&
+	git checkout initial &&
+	(
+		mkdir -p subdir &&
+		cd subdir &&
+		git am ../patchfile
+	) &&
+	git diff master >actual &&
+	diff -u expect actual
+'
+
+test_expect_success 'am regularly from file in subdirectory with full path' '
+	rm -fr subdir &&
+	git checkout initial &&
+	P=$(pwd) &&
+	(
+		mkdir -p subdir &&
+		cd subdir &&
+		git am "$P/patchfile"
+	) &&
+	git diff master >actual &&
+	diff -u expect actual
+'
+
+test_done
--
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