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git/t/t3701-add-interactive.sh
Thomas Rast ac083c47ea git-add--interactive: manual hunk editing mode
Adds a new option 'e' to the 'add -p' command loop that lets you edit
the current hunk in your favourite editor.

If the resulting patch applies cleanly, the edited hunk will
immediately be marked for staging. If it does not apply cleanly, you
will be given an opportunity to edit again. If all lines of the hunk
are removed, then the edit is aborted and the hunk is left unchanged.

Applying the changed hunk(s) relies on Johannes Schindelin's new
--recount option for git-apply.

Note that the "real patch" test intentionally uses
  (echo e; echo n; echo d) | git add -p
even though the 'n' and 'd' are superfluous at first sight.  They
serve to get out of the interaction loop if git add -p wrongly
concludes the patch does not apply.

Many thanks to Jeff King <peff@peff.net> for lots of help and
suggestions.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-07-02 15:31:49 -07:00

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#!/bin/sh
test_description='add -i basic tests'
. ./test-lib.sh
test_expect_success 'setup (initial)' '
echo content >file &&
git add file &&
echo more >>file &&
echo lines >>file
'
test_expect_success 'status works (initial)' '
git add -i </dev/null >output &&
grep "+1/-0 *+2/-0 file" output
'
cat >expected <<EOF
new file mode 100644
index 0000000..d95f3ad
--- /dev/null
+++ b/file
@@ -0,0 +1 @@
+content
EOF
test_expect_success 'diff works (initial)' '
(echo d; echo 1) | git add -i >output &&
sed -ne "/new file/,/content/p" <output >diff &&
test_cmp expected diff
'
test_expect_success 'revert works (initial)' '
git add file &&
(echo r; echo 1) | git add -i &&
git ls-files >output &&
! grep . output
'
test_expect_success 'setup (commit)' '
echo baseline >file &&
git add file &&
git commit -m commit &&
echo content >>file &&
git add file &&
echo more >>file &&
echo lines >>file
'
test_expect_success 'status works (commit)' '
git add -i </dev/null >output &&
grep "+1/-0 *+2/-0 file" output
'
cat >expected <<EOF
index 180b47c..b6f2c08 100644
--- a/file
+++ b/file
@@ -1 +1,2 @@
baseline
+content
EOF
test_expect_success 'diff works (commit)' '
(echo d; echo 1) | git add -i >output &&
sed -ne "/^index/,/content/p" <output >diff &&
test_cmp expected diff
'
test_expect_success 'revert works (commit)' '
git add file &&
(echo r; echo 1) | git add -i &&
git add -i </dev/null >output &&
grep "unchanged *+3/-0 file" output
'
cat >expected <<EOF
EOF
cat >fake_editor.sh <<EOF
EOF
chmod a+x fake_editor.sh
test_set_editor "$(pwd)/fake_editor.sh"
test_expect_success 'dummy edit works' '
(echo e; echo a) | git add -p &&
git diff > diff &&
test_cmp expected diff
'
cat >patch <<EOF
@@ -1,1 +1,4 @@
this
+patch
-doesn't
apply
EOF
echo "#!$SHELL_PATH" >fake_editor.sh
cat >>fake_editor.sh <<\EOF
mv -f "$1" oldpatch &&
mv -f patch "$1"
EOF
chmod a+x fake_editor.sh
test_set_editor "$(pwd)/fake_editor.sh"
test_expect_success 'bad edit rejected' '
git reset &&
(echo e; echo n; echo d) | git add -p >output &&
grep "hunk does not apply" output
'
cat >patch <<EOF
this patch
is garbage
EOF
test_expect_success 'garbage edit rejected' '
git reset &&
(echo e; echo n; echo d) | git add -p >output &&
grep "hunk does not apply" output
'
cat >patch <<EOF
@@ -1,0 +1,0 @@
baseline
+content
+newcontent
+lines
EOF
cat >expected <<EOF
diff --git a/file b/file
index b5dd6c9..f910ae9 100644
--- a/file
+++ b/file
@@ -1,4 +1,4 @@
baseline
content
-newcontent
+more
lines
EOF
test_expect_success 'real edit works' '
(echo e; echo n; echo d) | git add -p &&
git diff >output &&
test_cmp expected output
'
if test "$(git config --bool core.filemode)" = false
then
say 'skipping filemode tests (filesystem does not properly support modes)'
else
test_expect_success 'patch does not affect mode' '
git reset --hard &&
echo content >>file &&
chmod +x file &&
printf "n\\ny\\n" | git add -p &&
git show :file | grep content &&
git diff file | grep "new mode"
'
test_expect_success 'stage mode but not hunk' '
git reset --hard &&
echo content >>file &&
chmod +x file &&
printf "y\\nn\\n" | git add -p &&
git diff --cached file | grep "new mode" &&
git diff file | grep "+content"
'
fi
# end of tests disabled when filemode is not usable
test_done