mirror of
https://github.com/git/git
synced 2024-09-12 21:04:12 +00:00
510aeca199
If this developer's workflow is any indication, then this is *the* most useful feature of Git's interactive `add `command. Note: once again, this is not a verbatim conversion from the Perl code to C: the `hunk_splittable()` function, for example, essentially did all the work of splitting the hunk, just to find out whether more than one hunk would have been the result (and then tossed that result into the trash). In C we instead count the number of resulting hunks (without actually doing the work of splitting, but just counting the transitions from non-context lines to context lines), and store that information with the hunk, and we do that *while* parsing the diff in the first place. Another deviation: the built-in `git add -p` was designed with a single strbuf holding the diff (and another one holding the colored diff, if that one was asked for) in mind, and hunks essentially store just the start and end offsets pointing into that strbuf. As a consequence, when we split hunks, we now use a special mode where the hunk header is generated dynamically, and only the rest of the hunk is stored using such start/end offsets. This way, we also avoid the frequent formatting/re-parsing of the hunk header of the Perl version. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
762 lines
18 KiB
Bash
Executable file
762 lines
18 KiB
Bash
Executable file
#!/bin/sh
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test_description='add -i basic tests'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-terminal.sh
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if ! test_have_prereq PERL
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then
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skip_all='skipping add -i tests, perl not available'
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test_done
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fi
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diff_cmp () {
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for x
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do
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sed -e '/^index/s/[0-9a-f]*[1-9a-f][0-9a-f]*\.\./1234567../' \
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-e '/^index/s/\.\.[0-9a-f]*[1-9a-f][0-9a-f]*/..9abcdef/' \
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-e '/^index/s/ 00*\.\./ 0000000../' \
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-e '/^index/s/\.\.00*$/..0000000/' \
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-e '/^index/s/\.\.00* /..0000000 /' \
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"$x" >"$x.filtered"
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done
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test_cmp "$1.filtered" "$2.filtered"
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}
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# This function uses a trick to manipulate the interactive add to use color:
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# the `want_color()` function special-cases the situation where a pager was
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# spawned and Git now wants to output colored text: to detect that situation,
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# the environment variable `GIT_PAGER_IN_USE` is set. However, color is
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# suppressed despite that environment variable if the `TERM` variable
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# indicates a dumb terminal, so we set that variable, too.
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force_color () {
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env GIT_PAGER_IN_USE=true TERM=vt100 "$@"
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}
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test_expect_success 'setup (initial)' '
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echo content >file &&
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git add file &&
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echo more >>file &&
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echo lines >>file
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'
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test_expect_success 'status works (initial)' '
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git add -i </dev/null >output &&
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grep "+1/-0 *+2/-0 file" output
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'
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test_expect_success 'setup expected' '
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cat >expected <<-\EOF
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new file mode 100644
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index 0000000..d95f3ad
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--- /dev/null
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+++ b/file
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@@ -0,0 +1 @@
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+content
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EOF
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'
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test_expect_success 'diff works (initial)' '
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test_write_lines d 1 | git add -i >output &&
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sed -ne "/new file/,/content/p" <output >diff &&
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diff_cmp expected diff
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'
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test_expect_success 'revert works (initial)' '
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git add file &&
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test_write_lines r 1 | git add -i &&
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git ls-files >output &&
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! grep . output
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'
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test_expect_success 'setup (commit)' '
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echo baseline >file &&
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git add file &&
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git commit -m commit &&
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echo content >>file &&
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git add file &&
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echo more >>file &&
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echo lines >>file
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'
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test_expect_success 'status works (commit)' '
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git add -i </dev/null >output &&
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grep "+1/-0 *+2/-0 file" output
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'
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test_expect_success 'setup expected' '
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cat >expected <<-\EOF
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index 180b47c..b6f2c08 100644
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--- a/file
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+++ b/file
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@@ -1 +1,2 @@
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baseline
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+content
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EOF
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'
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test_expect_success 'diff works (commit)' '
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test_write_lines d 1 | git add -i >output &&
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sed -ne "/^index/,/content/p" <output >diff &&
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diff_cmp expected diff
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'
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test_expect_success 'revert works (commit)' '
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git add file &&
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test_write_lines r 1 | git add -i &&
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git add -i </dev/null >output &&
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grep "unchanged *+3/-0 file" output
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'
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test_expect_success 'setup expected' '
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cat >expected <<-\EOF
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EOF
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'
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test_expect_success 'dummy edit works' '
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test_set_editor : &&
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test_write_lines e a | git add -p &&
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git diff > diff &&
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diff_cmp expected diff
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'
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test_expect_success 'setup patch' '
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cat >patch <<-\EOF
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@@ -1,1 +1,4 @@
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this
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+patch
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-does not
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apply
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EOF
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'
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test_expect_success 'setup fake editor' '
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write_script "fake_editor.sh" <<-\EOF &&
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mv -f "$1" oldpatch &&
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mv -f patch "$1"
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EOF
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test_set_editor "$(pwd)/fake_editor.sh"
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'
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test_expect_success 'bad edit rejected' '
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git reset &&
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test_write_lines e n d | git add -p >output &&
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grep "hunk does not apply" output
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'
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test_expect_success 'setup patch' '
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cat >patch <<-\EOF
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this patch
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is garbage
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EOF
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'
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test_expect_success 'garbage edit rejected' '
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git reset &&
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test_write_lines e n d | git add -p >output &&
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grep "hunk does not apply" output
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'
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test_expect_success 'setup patch' '
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cat >patch <<-\EOF
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@@ -1,0 +1,0 @@
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baseline
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+content
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+newcontent
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+lines
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EOF
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'
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test_expect_success 'setup expected' '
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cat >expected <<-\EOF
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diff --git a/file b/file
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index b5dd6c9..f910ae9 100644
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--- a/file
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+++ b/file
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@@ -1,4 +1,4 @@
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baseline
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content
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-newcontent
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+more
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lines
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EOF
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'
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test_expect_success 'real edit works' '
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test_write_lines e n d | git add -p &&
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git diff >output &&
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diff_cmp expected output
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'
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test_expect_success 'setup file' '
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test_write_lines a "" b "" c >file &&
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git add file &&
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test_write_lines a "" d "" c >file
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'
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test_expect_success 'setup patch' '
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SP=" " &&
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NULL="" &&
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cat >patch <<-EOF
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@@ -1,4 +1,4 @@
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a
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$NULL
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-b
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+f
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$SP
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c
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EOF
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'
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test_expect_success 'setup expected' '
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cat >expected <<-EOF
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diff --git a/file b/file
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index b5dd6c9..f910ae9 100644
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--- a/file
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+++ b/file
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@@ -1,5 +1,5 @@
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a
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$SP
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-f
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+d
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$SP
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c
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EOF
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'
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test_expect_success 'edit can strip spaces from empty context lines' '
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test_write_lines e n q | git add -p 2>error &&
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test_must_be_empty error &&
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git diff >output &&
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diff_cmp expected output
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'
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test_expect_success 'skip files similarly as commit -a' '
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git reset &&
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echo file >.gitignore &&
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echo changed >file &&
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echo y | git add -p file &&
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git diff >output &&
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git reset &&
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git commit -am commit &&
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git diff >expected &&
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diff_cmp expected output &&
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git reset --hard HEAD^
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'
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rm -f .gitignore
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test_expect_success FILEMODE 'patch does not affect mode' '
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git reset --hard &&
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echo content >>file &&
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chmod +x file &&
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printf "n\\ny\\n" | git add -p &&
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git show :file | grep content &&
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git diff file | grep "new mode"
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'
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test_expect_success FILEMODE 'stage mode but not hunk' '
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git reset --hard &&
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echo content >>file &&
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chmod +x file &&
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printf "y\\nn\\n" | git add -p &&
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git diff --cached file | grep "new mode" &&
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git diff file | grep "+content"
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'
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test_expect_success FILEMODE 'stage mode and hunk' '
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git reset --hard &&
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echo content >>file &&
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chmod +x file &&
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printf "y\\ny\\n" | git add -p &&
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git diff --cached file | grep "new mode" &&
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git diff --cached file | grep "+content" &&
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test -z "$(git diff file)"
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'
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# end of tests disabled when filemode is not usable
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test_expect_success 'different prompts for mode change/deleted' '
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git reset --hard &&
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>file &&
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>deleted &&
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git add --chmod=+x file deleted &&
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echo changed >file &&
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rm deleted &&
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test_write_lines n n n |
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git -c core.filemode=true add -p >actual &&
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sed -n "s/^\(([0-9/]*) Stage .*?\).*/\1/p" actual >actual.filtered &&
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cat >expect <<-\EOF &&
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(1/1) Stage deletion [y,n,q,a,d,?]?
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(1/2) Stage mode change [y,n,q,a,d,j,J,g,/,?]?
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(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]?
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EOF
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test_cmp expect actual.filtered
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'
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test_expect_success 'correct message when there is nothing to do' '
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git reset --hard &&
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git add -p 2>err &&
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test_i18ngrep "No changes" err &&
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printf "\\0123" >binary &&
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git add binary &&
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printf "\\0abc" >binary &&
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git add -p 2>err &&
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test_i18ngrep "Only binary files changed" err
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'
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test_expect_success 'setup again' '
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git reset --hard &&
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test_chmod +x file &&
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echo content >>file
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'
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# Write the patch file with a new line at the top and bottom
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test_expect_success 'setup patch' '
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cat >patch <<-\EOF
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index 180b47c..b6f2c08 100644
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--- a/file
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+++ b/file
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@@ -1,2 +1,4 @@
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+firstline
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baseline
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content
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+lastline
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\ No newline at end of file
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EOF
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'
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# Expected output, diff is similar to the patch but w/ diff at the top
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test_expect_success 'setup expected' '
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echo diff --git a/file b/file >expected &&
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cat patch |sed "/^index/s/ 100644/ 100755/" >>expected &&
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cat >expected-output <<-\EOF
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--- a/file
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+++ b/file
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@@ -1,2 +1,4 @@
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+firstline
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baseline
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content
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+lastline
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\ No newline at end of file
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@@ -1,2 +1,3 @@
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+firstline
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baseline
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content
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@@ -1,2 +2,3 @@
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baseline
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content
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+lastline
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\ No newline at end of file
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EOF
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'
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# Test splitting the first patch, then adding both
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test_expect_success C_LOCALE_OUTPUT 'add first line works' '
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git commit -am "clear local changes" &&
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git apply patch &&
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printf "%s\n" s y y | git add -p file 2>error |
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sed -n -e "s/^([1-2]\/[1-2]) Stage this hunk[^@]*\(@@ .*\)/\1/" \
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-e "/^[-+@ \\\\]"/p >output &&
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test_must_be_empty error &&
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git diff --cached >diff &&
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diff_cmp expected diff &&
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test_cmp expected-output output
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'
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test_expect_success 'setup expected' '
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cat >expected <<-\EOF
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diff --git a/non-empty b/non-empty
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deleted file mode 100644
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index d95f3ad..0000000
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--- a/non-empty
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+++ /dev/null
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@@ -1 +0,0 @@
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-content
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EOF
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'
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test_expect_success 'deleting a non-empty file' '
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git reset --hard &&
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echo content >non-empty &&
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git add non-empty &&
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git commit -m non-empty &&
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rm non-empty &&
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echo y | git add -p non-empty &&
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git diff --cached >diff &&
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diff_cmp expected diff
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'
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test_expect_success 'setup expected' '
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cat >expected <<-\EOF
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diff --git a/empty b/empty
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deleted file mode 100644
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index e69de29..0000000
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EOF
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'
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test_expect_success 'deleting an empty file' '
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git reset --hard &&
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> empty &&
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git add empty &&
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git commit -m empty &&
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rm empty &&
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echo y | git add -p empty &&
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git diff --cached >diff &&
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diff_cmp expected diff
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'
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test_expect_success 'split hunk setup' '
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git reset --hard &&
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test_write_lines 10 20 30 40 50 60 >test &&
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git add test &&
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test_tick &&
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git commit -m test &&
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test_write_lines 10 15 20 21 22 23 24 30 40 50 60 >test
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'
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test_expect_success 'split hunk "add -p (edit)"' '
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# Split, say Edit and do nothing. Then:
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#
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# 1. Broken version results in a patch that does not apply and
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# only takes [y/n] (edit again) so the first q is discarded
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# and then n attempts to discard the edit. Repeat q enough
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# times to get out.
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#
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# 2. Correct version applies the (not)edited version, and asks
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# about the next hunk, against which we say q and program
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# exits.
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printf "%s\n" s e q n q q |
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EDITOR=: git add -p &&
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git diff >actual &&
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! grep "^+15" actual
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'
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test_expect_failure 'split hunk "add -p (no, yes, edit)"' '
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test_write_lines 5 10 20 21 30 31 40 50 60 >test &&
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git reset &&
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# test sequence is s(plit), n(o), y(es), e(dit)
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# q n q q is there to make sure we exit at the end.
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printf "%s\n" s n y e q n q q |
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EDITOR=: git add -p 2>error &&
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test_must_be_empty error &&
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git diff >actual &&
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! grep "^+31" actual
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'
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test_expect_success 'split hunk with incomplete line at end' '
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git reset --hard &&
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printf "missing LF" >>test &&
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git add test &&
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test_write_lines before 10 20 30 40 50 60 70 >test &&
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git grep --cached missing &&
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test_write_lines s n y q | git add -p &&
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test_must_fail git grep --cached missing &&
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git grep before &&
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test_must_fail git grep --cached before
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'
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test_expect_failure 'edit, adding lines to the first hunk' '
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test_write_lines 10 11 20 30 40 50 51 60 >test &&
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git reset &&
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tr _ " " >patch <<-EOF &&
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@@ -1,5 +1,6 @@
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_10
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+11
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+12
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_20
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+21
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+22
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_30
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EOF
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# test sequence is s(plit), e(dit), n(o)
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# q n q q is there to make sure we exit at the end.
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printf "%s\n" s e n q n q q |
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EDITOR=./fake_editor.sh git add -p 2>error &&
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test_must_be_empty error &&
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git diff --cached >actual &&
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grep "^+22" actual
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'
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test_expect_success 'patch mode ignores unmerged entries' '
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git reset --hard &&
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test_commit conflict &&
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test_commit non-conflict &&
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git checkout -b side &&
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test_commit side conflict.t &&
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git checkout master &&
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test_commit master conflict.t &&
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test_must_fail git merge side &&
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echo changed >non-conflict.t &&
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echo y | git add -p >output &&
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! grep a/conflict.t output &&
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cat >expected <<-\EOF &&
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* Unmerged path conflict.t
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diff --git a/non-conflict.t b/non-conflict.t
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index f766221..5ea2ed4 100644
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--- a/non-conflict.t
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+++ b/non-conflict.t
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@@ -1 +1 @@
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-non-conflict
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+changed
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EOF
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git diff --cached >diff &&
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diff_cmp expected diff
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'
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test_expect_success 'diffs can be colorized' '
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git reset --hard &&
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echo content >test &&
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printf y >y &&
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force_color git add -p >output 2>&1 <y &&
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# We do not want to depend on the exact coloring scheme
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# git uses for diffs, so just check that we saw some kind of color.
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grep "$(printf "\\033")" output
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'
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test_expect_success 'diffFilter filters diff' '
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git reset --hard &&
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echo content >test &&
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test_config interactive.diffFilter "sed s/^/foo:/" &&
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printf y >y &&
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force_color git add -p >output 2>&1 <y &&
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# avoid depending on the exact coloring or content of the prompts,
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# and just make sure we saw our diff prefixed
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grep foo:.*content output
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'
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test_expect_success 'detect bogus diffFilter output' '
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git reset --hard &&
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echo content >test &&
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test_config interactive.diffFilter "echo too-short" &&
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printf y >y &&
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|
test_must_fail force_color git add -p <y
|
|
'
|
|
|
|
test_expect_success 'diff.algorithm is passed to `git diff-files`' '
|
|
git reset --hard &&
|
|
|
|
>file &&
|
|
git add file &&
|
|
echo changed >file &&
|
|
test_must_fail git -c diff.algorithm=bogus add -p 2>err &&
|
|
test_i18ngrep "error: option diff-algorithm accepts " err
|
|
'
|
|
|
|
test_expect_success 'patch-mode via -i prompts for files' '
|
|
git reset --hard &&
|
|
|
|
echo one >file &&
|
|
echo two >test &&
|
|
git add -i <<-\EOF &&
|
|
patch
|
|
test
|
|
|
|
y
|
|
quit
|
|
EOF
|
|
|
|
echo test >expect &&
|
|
git diff --cached --name-only >actual &&
|
|
diff_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'add -p handles globs' '
|
|
git reset --hard &&
|
|
|
|
mkdir -p subdir &&
|
|
echo base >one.c &&
|
|
echo base >subdir/two.c &&
|
|
git add "*.c" &&
|
|
git commit -m base &&
|
|
|
|
echo change >one.c &&
|
|
echo change >subdir/two.c &&
|
|
git add -p "*.c" <<-\EOF &&
|
|
y
|
|
y
|
|
EOF
|
|
|
|
cat >expect <<-\EOF &&
|
|
one.c
|
|
subdir/two.c
|
|
EOF
|
|
git diff --cached --name-only >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'add -p handles relative paths' '
|
|
git reset --hard &&
|
|
|
|
echo base >relpath.c &&
|
|
git add "*.c" &&
|
|
git commit -m relpath &&
|
|
|
|
echo change >relpath.c &&
|
|
mkdir -p subdir &&
|
|
git -C subdir add -p .. 2>error <<-\EOF &&
|
|
y
|
|
EOF
|
|
|
|
test_must_be_empty error &&
|
|
|
|
cat >expect <<-\EOF &&
|
|
relpath.c
|
|
EOF
|
|
git diff --cached --name-only >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'add -p does not expand argument lists' '
|
|
git reset --hard &&
|
|
|
|
echo content >not-changed &&
|
|
git add not-changed &&
|
|
git commit -m "add not-changed file" &&
|
|
|
|
echo change >file &&
|
|
GIT_TRACE=$(pwd)/trace.out git add -p . <<-\EOF &&
|
|
y
|
|
EOF
|
|
|
|
# we know that "file" must be mentioned since we actually
|
|
# update it, but we want to be sure that our "." pathspec
|
|
# was not expanded into the argument list of any command.
|
|
# So look only for "not-changed".
|
|
! grep -E "^trace: (built-in|exec|run_command): .*not-changed" trace.out
|
|
'
|
|
|
|
test_expect_success 'hunk-editing handles custom comment char' '
|
|
git reset --hard &&
|
|
echo change >>file &&
|
|
test_config core.commentChar "\$" &&
|
|
echo e | GIT_EDITOR=true git add -p &&
|
|
git diff --exit-code
|
|
'
|
|
|
|
test_expect_success 'add -p works even with color.ui=always' '
|
|
git reset --hard &&
|
|
echo change >>file &&
|
|
test_config color.ui always &&
|
|
echo y | git add -p &&
|
|
echo file >expect &&
|
|
git diff --cached --name-only >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'setup different kinds of dirty submodules' '
|
|
test_create_repo for-submodules &&
|
|
(
|
|
cd for-submodules &&
|
|
test_commit initial &&
|
|
test_create_repo dirty-head &&
|
|
(
|
|
cd dirty-head &&
|
|
test_commit initial
|
|
) &&
|
|
cp -R dirty-head dirty-otherwise &&
|
|
cp -R dirty-head dirty-both-ways &&
|
|
git add dirty-head &&
|
|
git add dirty-otherwise dirty-both-ways &&
|
|
git commit -m initial &&
|
|
|
|
cd dirty-head &&
|
|
test_commit updated &&
|
|
cd ../dirty-both-ways &&
|
|
test_commit updated &&
|
|
echo dirty >>initial &&
|
|
: >untracked &&
|
|
cd ../dirty-otherwise &&
|
|
echo dirty >>initial &&
|
|
: >untracked
|
|
) &&
|
|
git -C for-submodules diff-files --name-only >actual &&
|
|
cat >expected <<-\EOF &&
|
|
dirty-both-ways
|
|
dirty-head
|
|
dirty-otherwise
|
|
EOF
|
|
test_cmp expected actual &&
|
|
git -C for-submodules diff-files --name-only --ignore-submodules=dirty >actual &&
|
|
cat >expected <<-\EOF &&
|
|
dirty-both-ways
|
|
dirty-head
|
|
EOF
|
|
test_cmp expected actual
|
|
'
|
|
|
|
test_expect_success 'status ignores dirty submodules (except HEAD)' '
|
|
git -C for-submodules add -i </dev/null >output &&
|
|
grep dirty-head output &&
|
|
grep dirty-both-ways output &&
|
|
! grep dirty-otherwise output
|
|
'
|
|
|
|
test_expect_success 'set up pathological context' '
|
|
git reset --hard &&
|
|
test_write_lines a a a a a a a a a a a >a &&
|
|
git add a &&
|
|
git commit -m a &&
|
|
test_write_lines c b a a a a a a a b a a a a >a &&
|
|
test_write_lines a a a a a a a b a a a a >expected-1 &&
|
|
test_write_lines b a a a a a a a b a a a a >expected-2 &&
|
|
# check editing can cope with missing header and deleted context lines
|
|
# as well as changes to other lines
|
|
test_write_lines +b " a" >patch
|
|
'
|
|
|
|
test_expect_success 'add -p works with pathological context lines' '
|
|
git reset &&
|
|
printf "%s\n" n y |
|
|
git add -p &&
|
|
git cat-file blob :a >actual &&
|
|
test_cmp expected-1 actual
|
|
'
|
|
|
|
test_expect_success 'add -p patch editing works with pathological context lines' '
|
|
git reset &&
|
|
# n q q below is in case edit fails
|
|
printf "%s\n" e y n q q |
|
|
git add -p &&
|
|
git cat-file blob :a >actual &&
|
|
test_cmp expected-2 actual
|
|
'
|
|
|
|
test_expect_success 'checkout -p works with pathological context lines' '
|
|
test_write_lines a a a a a a >a &&
|
|
git add a &&
|
|
test_write_lines a b a b a b a b a b a > a&&
|
|
test_write_lines s n n y q | git checkout -p &&
|
|
test_write_lines a b a b a a b a b a >expect &&
|
|
test_cmp expect a
|
|
'
|
|
|
|
test_expect_success 'show help from add--helper' '
|
|
git reset --hard &&
|
|
cat >expect <<-EOF &&
|
|
|
|
<BOLD>*** Commands ***<RESET>
|
|
1: <BOLD;BLUE>s<RESET>tatus 2: <BOLD;BLUE>u<RESET>pdate 3: <BOLD;BLUE>r<RESET>evert 4: <BOLD;BLUE>a<RESET>dd untracked
|
|
5: <BOLD;BLUE>p<RESET>atch 6: <BOLD;BLUE>d<RESET>iff 7: <BOLD;BLUE>q<RESET>uit 8: <BOLD;BLUE>h<RESET>elp
|
|
<BOLD;BLUE>What now<RESET>> <BOLD;RED>status - show paths with changes<RESET>
|
|
<BOLD;RED>update - add working tree state to the staged set of changes<RESET>
|
|
<BOLD;RED>revert - revert staged set of changes back to the HEAD version<RESET>
|
|
<BOLD;RED>patch - pick hunks and update selectively<RESET>
|
|
<BOLD;RED>diff - view diff between HEAD and index<RESET>
|
|
<BOLD;RED>add untracked - add contents of untracked files to the staged set of changes<RESET>
|
|
<BOLD>*** Commands ***<RESET>
|
|
1: <BOLD;BLUE>s<RESET>tatus 2: <BOLD;BLUE>u<RESET>pdate 3: <BOLD;BLUE>r<RESET>evert 4: <BOLD;BLUE>a<RESET>dd untracked
|
|
5: <BOLD;BLUE>p<RESET>atch 6: <BOLD;BLUE>d<RESET>iff 7: <BOLD;BLUE>q<RESET>uit 8: <BOLD;BLUE>h<RESET>elp
|
|
<BOLD;BLUE>What now<RESET>>$SP
|
|
Bye.
|
|
EOF
|
|
test_write_lines h | force_color git add -i >actual.colored &&
|
|
test_decode_color <actual.colored >actual &&
|
|
test_i18ncmp expect actual
|
|
'
|
|
|
|
test_done
|