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authorNguyễn Thái Ngọc Duy <pclouds@gmail.com>2019-05-29 09:11:15 (GMT)
committerJunio C Hamano <gitster@pobox.com>2019-05-29 18:04:32 (GMT)
commit8ef05193bcdda6a28cd41fa3ecd8f356061d49e0 (patch)
treed320df22f655cd124361fc5b93f564437dcb65de /t
parent7f125ff9094bfebbb381afa19380943a088c8fcb (diff)
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diff-parseopt: restore -U (no argument) behavior
Before d473e2e0e8 (diff.c: convert -U|--unified, 2019-01-27), -U and --unified are implemented with a custom parser opt_arg() in diff.c. I didn't check this code carefully and not realize that it's the equivalent of PARSE_OPT_NONEG | PARSE_OPT_OPTARG. In other words, if -U is specified without any argument, the option should be accepted, and the default value should be used. Without PARSE_OPT_OPTARG, parse_options() will reject this case and cause a regression. Reported-by: Bryan Turner <bturner@atlassian.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't')
-rwxr-xr-xt/t4013-diff-various.sh2
-rw-r--r--t/t4013/diff.diff_-U1_initial..side29
-rw-r--r--t/t4013/diff.diff_-U2_initial..side31
-rw-r--r--t/t4013/diff.diff_-U_initial..side32
4 files changed, 94 insertions, 0 deletions
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 7d985ff..3c4a3df 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -330,6 +330,8 @@ format-patch --inline --stdout initial..master^^
format-patch --stdout --cover-letter -n initial..master^
diff --abbrev initial..side
+diff -U initial..side
+diff -U1 initial..side
diff -r initial..side
diff --stat initial..side
diff -r --stat initial..side
diff --git a/t/t4013/diff.diff_-U1_initial..side b/t/t4013/diff.diff_-U1_initial..side
new file mode 100644
index 0000000..b69f8f0
--- /dev/null
+++ b/t/t4013/diff.diff_-U1_initial..side
@@ -0,0 +1,29 @@
+$ git diff -U1 initial..side
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2 +2,3 @@ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -3 +3,4 @@
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.diff_-U2_initial..side b/t/t4013/diff.diff_-U2_initial..side
new file mode 100644
index 0000000..8ffe04f
--- /dev/null
+++ b/t/t4013/diff.diff_-U2_initial..side
@@ -0,0 +1,31 @@
+$ git diff -U2 initial..side
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -2,2 +2,5 @@
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.diff_-U_initial..side b/t/t4013/diff.diff_-U_initial..side
new file mode 100644
index 0000000..c66c0dd
--- /dev/null
+++ b/t/t4013/diff.diff_-U_initial..side
@@ -0,0 +1,32 @@
+$ git diff -U initial..side
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$