On 08/13, Thomas Rast via GitGitGadget wrote: > From: Thomas Rast <tr@xxxxxxxxxxxxx> > > These are essentially lifted from https://github.com/trast/tbdiff, with > light touch-ups to account for the command now being named `git > range-diff`. > > Apart from renaming `tbdiff` to `range-diff`, only one test case needed > to be adjusted: 11 - 'changed message'. > > The underlying reason it had to be adjusted is that diff generation is > sometimes ambiguous. In this case, a comment line and an empty line are > added, but it is ambiguous whether they were added after the existing > empty line, or whether an empty line and the comment line are added > *before* the existing empty line. And apparently xdiff picks a different > option here than Python's difflib. > Just noticed while reading the whole series again (hopefully for the last time :)), do we need Thomas Rast's Sign-off here, as he is credited as the author here? > Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx> > --- > t/.gitattributes | 1 + > t/t3206-range-diff.sh | 145 ++++++++++ > t/t3206/history.export | 604 +++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 750 insertions(+) > create mode 100755 t/t3206-range-diff.sh > create mode 100644 t/t3206/history.export > > diff --git a/t/.gitattributes b/t/.gitattributes > index 3bd959ae5..b17bf71b8 100644 > --- a/t/.gitattributes > +++ b/t/.gitattributes > @@ -1,6 +1,7 @@ > t[0-9][0-9][0-9][0-9]/* -whitespace > /diff-lib/* eol=lf > /t0110/url-* binary > +/t3206/* eol=lf > /t3900/*.txt eol=lf > /t3901/*.txt eol=lf > /t4034/*/* eol=lf > diff --git a/t/t3206-range-diff.sh b/t/t3206-range-diff.sh > new file mode 100755 > index 000000000..2237c7f4a > --- /dev/null > +++ b/t/t3206-range-diff.sh > @@ -0,0 +1,145 @@ > +#!/bin/sh > + > +test_description='range-diff tests' > + > +. ./test-lib.sh > + > +# Note that because of the range-diff's heuristics, test_commit does more > +# harm than good. We need some real history. > + > +test_expect_success 'setup' ' > + git fast-import < "$TEST_DIRECTORY"/t3206/history.export > +' > + > +test_expect_success 'simple A..B A..C (unmodified)' ' > + git range-diff --no-color master..topic master..unmodified \ > + >actual && > + cat >expected <<-EOF && > + 1: 4de457d = 1: 35b9b25 s/5/A/ > + 2: fccce22 = 2: de345ab s/4/A/ > + 3: 147e64e = 3: 9af6654 s/11/B/ > + 4: a63e992 = 4: 2901f77 s/12/B/ > + EOF > + test_cmp expected actual > +' > + > +test_expect_success 'simple B...C (unmodified)' ' > + git range-diff --no-color topic...unmodified >actual && > + # same "expected" as above > + test_cmp expected actual > +' > + > +test_expect_success 'simple A B C (unmodified)' ' > + git range-diff --no-color master topic unmodified >actual && > + # same "expected" as above > + test_cmp expected actual > +' > + > +test_expect_success 'trivial reordering' ' > + git range-diff --no-color master topic reordered >actual && > + cat >expected <<-EOF && > + 1: 4de457d = 1: aca177a s/5/A/ > + 3: 147e64e = 2: 14ad629 s/11/B/ > + 4: a63e992 = 3: ee58208 s/12/B/ > + 2: fccce22 = 4: 307b27a s/4/A/ > + EOF > + test_cmp expected actual > +' > + > +test_expect_success 'removed a commit' ' > + git range-diff --no-color master topic removed >actual && > + cat >expected <<-EOF && > + 1: 4de457d = 1: 7657159 s/5/A/ > + 2: fccce22 < -: ------- s/4/A/ > + 3: 147e64e = 2: 43d84d3 s/11/B/ > + 4: a63e992 = 3: a740396 s/12/B/ > + EOF > + test_cmp expected actual > +' > + > +test_expect_success 'added a commit' ' > + git range-diff --no-color master topic added >actual && > + cat >expected <<-EOF && > + 1: 4de457d = 1: 2716022 s/5/A/ > + 2: fccce22 = 2: b62accd s/4/A/ > + -: ------- > 3: df46cfa s/6/A/ > + 3: 147e64e = 4: 3e64548 s/11/B/ > + 4: a63e992 = 5: 12b4063 s/12/B/ > + EOF > + test_cmp expected actual > +' > + > +test_expect_success 'new base, A B C' ' > + git range-diff --no-color master topic rebased >actual && > + cat >expected <<-EOF && > + 1: 4de457d = 1: cc9c443 s/5/A/ > + 2: fccce22 = 2: c5d9641 s/4/A/ > + 3: 147e64e = 3: 28cc2b6 s/11/B/ > + 4: a63e992 = 4: 5628ab7 s/12/B/ > + EOF > + test_cmp expected actual > +' > + > +test_expect_success 'new base, B...C' ' > + # this syntax includes the commits from master! > + git range-diff --no-color topic...rebased >actual && > + cat >expected <<-EOF && > + -: ------- > 1: a31b12e unrelated > + 1: 4de457d = 2: cc9c443 s/5/A/ > + 2: fccce22 = 3: c5d9641 s/4/A/ > + 3: 147e64e = 4: 28cc2b6 s/11/B/ > + 4: a63e992 = 5: 5628ab7 s/12/B/ > + EOF > + test_cmp expected actual > +' > + > +test_expect_success 'changed commit' ' > + git range-diff --no-color topic...changed >actual && > + cat >expected <<-EOF && > + 1: 4de457d = 1: a4b3333 s/5/A/ > + 2: fccce22 = 2: f51d370 s/4/A/ > + 3: 147e64e ! 3: 0559556 s/11/B/ > + @@ -10,7 +10,7 @@ > + 9 > + 10 > + -11 > + -+B > + ++BB > + 12 > + 13 > + 14 > + 4: a63e992 ! 4: d966c5c s/12/B/ > + @@ -8,7 +8,7 @@ > + @@ > + 9 > + 10 > + - B > + + BB > + -12 > + +B > + 13 > + EOF > + test_cmp expected actual > +' > + > +test_expect_success 'changed message' ' > + git range-diff --no-color topic...changed-message >actual && > + sed s/Z/\ /g >expected <<-EOF && > + 1: 4de457d = 1: f686024 s/5/A/ > + 2: fccce22 ! 2: 4ab067d s/4/A/ > + @@ -2,6 +2,8 @@ > + Z > + Z s/4/A/ > + Z > + + Also a silly comment here! > + + > + Zdiff --git a/file b/file > + Z--- a/file > + Z+++ b/file > + 3: 147e64e = 3: b9cb956 s/11/B/ > + 4: a63e992 = 4: 8add5f1 s/12/B/ > + EOF > + test_cmp expected actual > +' > + > +test_done > diff --git a/t/t3206/history.export b/t/t3206/history.export > new file mode 100644 > index 000000000..b8ffff094 > --- /dev/null > +++ b/t/t3206/history.export > @@ -0,0 +1,604 @@ > +blob > +mark :1 > +data 51 > +1 > +2 > +3 > +4 > +5 > +6 > +7 > +8 > +9 > +10 > +11 > +12 > +13 > +14 > +15 > +16 > +17 > +18 > +19 > +20 > + > +reset refs/heads/removed > +commit refs/heads/removed > +mark :2 > +author Thomas Rast <trast@xxxxxxxxxxx> 1374424921 +0200 > +committer Thomas Rast <trast@xxxxxxxxxxx> 1374484724 +0200 > +data 8 > +initial > +M 100644 :1 file > + > +blob > +mark :3 > +data 51 > +1 > +2 > +3 > +4 > +A > +6 > +7 > +8 > +9 > +10 > +11 > +12 > +13 > +14 > +15 > +16 > +17 > +18 > +19 > +20 > + > +commit refs/heads/topic > +mark :4 > +author Thomas Rast <trast@xxxxxxxxxxx> 1374485014 +0200 > +committer Thomas Rast <trast@xxxxxxxxxxx> 1374485014 +0200 > +data 7 > +s/5/A/ > +from :2 > +M 100644 :3 file > + > +blob > +mark :5 > +data 51 > +1 > +2 > +3 > +A > +A > +6 > +7 > +8 > +9 > +10 > +11 > +12 > +13 > +14 > +15 > +16 > +17 > +18 > +19 > +20 > + > +commit refs/heads/topic > +mark :6 > +author Thomas Rast <trast@xxxxxxxxxxx> 1374485024 +0200 > +committer Thomas Rast <trast@xxxxxxxxxxx> 1374485024 +0200 > +data 7 > +s/4/A/ > +from :4 > +M 100644 :5 file > + > +blob > +mark :7 > +data 50 > +1 > +2 > +3 > +A > +A > +6 > +7 > +8 > +9 > +10 > +B > +12 > +13 > +14 > +15 > +16 > +17 > +18 > +19 > +20 > + > +commit 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<trast@xxxxxxxxxxx> 1374486061 +0200 > +data 8 > +s/12/B/ > +from :46 > +M 100644 :28 file > + > +reset refs/heads/removed > +from :47 > + > -- > gitgitgadget >
