The "git diff --no-index" codepath didn't handle the --no-abbrev option.
Also it didn't behave the same as find_unique_abbrev()
in the case where abbrev == 0.
find_unique_abbrev() returns the full, unabbreviated string in that
case, but the "git diff --no-index" codepath returned an empty string.
Signed-off-by: Jack Bates <jack@xxxxxxxxxxxxxxxx>
---
diff.c | 6 +++++-
t/t4013-diff-various.sh | 7 +++++++
t/t4013/diff.diff_--no-index_--raw_--abbrev=4_dir2_dir | 3 +++
t/t4013/diff.diff_--no-index_--raw_--no-abbrev_dir2_dir | 3 +++
t/t4013/diff.diff_--no-index_--raw_dir2_dir | 3 +++
t/t4013/diff.diff_--raw_--abbrev=4_initial | 6 ++++++
t/t4013/diff.diff_--raw_--no-abbrev_initial | 6 ++++++
t/t4013/diff.diff_--raw_initial | 6 ++++++
8 files changed, 39 insertions(+), 1 deletion(-)
create mode 100644 t/t4013/diff.diff_--no-index_--raw_--abbrev=4_dir2_dir
create mode 100644 t/t4013/diff.diff_--no-index_--raw_--no-abbrev_dir2_dir
create mode 100644 t/t4013/diff.diff_--no-index_--raw_dir2_dir
create mode 100644 t/t4013/diff.diff_--raw_--abbrev=4_initial
create mode 100644 t/t4013/diff.diff_--raw_--no-abbrev_initial
create mode 100644 t/t4013/diff.diff_--raw_initial
diff --git a/diff.c b/diff.c
index ec87283..84dba60 100644
--- a/diff.c
+++ b/diff.c
@@ -3106,7 +3106,8 @@ static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
abbrev = FALLBACK_DEFAULT_ABBREV;
if (abbrev > GIT_SHA1_HEXSZ)
die("BUG: oid abbreviation out of range: %d", abbrev);
- hex[abbrev] = '\0';
+ if (abbrev)
+ hex[abbrev] = '\0';
return hex;
}
}
@@ -3364,6 +3365,7 @@ void diff_setup(struct diff_options *options)
options->file = stdout;
+ options->abbrev = DEFAULT_ABBREV;
options->line_termination = '\n';
options->break_opt = -1;
options->rename_limit = -1;
@@ -4024,6 +4026,8 @@ int diff_opt_parse(struct diff_options *options,
offending, optarg);
return argcount;
}
+ else if (!strcmp(arg, "--no-abbrev"))
+ options->abbrev = 0;
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
else if (skip_prefix(arg, "--abbrev=", &arg)) {
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 566817e..d7b71a0 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -311,6 +311,13 @@ diff --line-prefix=abc master master^ side
diff --dirstat master~1 master~2
diff --dirstat initial rearrange
diff --dirstat-by-file initial rearrange
+# --abbrev and --no-abbrev outside of repository
+diff --raw initial
+diff --raw --abbrev=4 initial
+diff --raw --no-abbrev initial
+diff --no-index --raw dir2 dir
+diff --no-index --raw --abbrev=4 dir2 dir
+diff --no-index --raw --no-abbrev dir2 dir
EOF
test_expect_success 'log -S requires an argument' '
diff --git a/t/t4013/diff.diff_--no-index_--raw_--abbrev=4_dir2_dir b/t/t4013/diff.diff_--no-index_--raw_--abbrev=4_dir2_dir
new file mode 100644
index 0000000..a71b38a
--- /dev/null
+++ b/t/t4013/diff.diff_--no-index_--raw_--abbrev=4_dir2_dir
@@ -0,0 +1,3 @@
+$ git diff --no-index --raw --abbrev=4 dir2 dir
+:000000 100644 0000... 0000... A dir/sub
+$
diff --git a/t/t4013/diff.diff_--no-index_--raw_--no-abbrev_dir2_dir b/t/t4013/diff.diff_--no-index_--raw_--no-abbrev_dir2_dir
new file mode 100644
index 0000000..e0f0097
--- /dev/null
+++ b/t/t4013/diff.diff_--no-index_--raw_--no-abbrev_dir2_dir
@@ -0,0 +1,3 @@
+$ git diff --no-index --raw --no-abbrev dir2 dir
+:000000 100644 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 A dir/sub
+$
diff --git a/t/t4013/diff.diff_--no-index_--raw_dir2_dir b/t/t4013/diff.diff_--no-index_--raw_dir2_dir
new file mode 100644
index 0000000..3cb4ee7
--- /dev/null
+++ b/t/t4013/diff.diff_--no-index_--raw_dir2_dir
@@ -0,0 +1,3 @@
+$ git diff --no-index --raw dir2 dir
+:000000 100644 0000000... 0000000... A dir/sub
+$
diff --git a/t/t4013/diff.diff_--raw_--abbrev=4_initial b/t/t4013/diff.diff_--raw_--abbrev=4_initial
new file mode 100644
index 0000000..c3641db
--- /dev/null
+++ b/t/t4013/diff.diff_--raw_--abbrev=4_initial
@@ -0,0 +1,6 @@
+$ git diff --raw --abbrev=4 initial
+:100644 100644 35d2... 9929... M dir/sub
+:100644 100644 01e7... 10a8... M file0
+:000000 100644 0000... b1e6... A file1
+:100644 000000 01e7... 0000... D file2
+$
diff --git a/t/t4013/diff.diff_--raw_--no-abbrev_initial b/t/t4013/diff.diff_--raw_--no-abbrev_initial
new file mode 100644
index 0000000..c87a125
--- /dev/null
+++ b/t/t4013/diff.diff_--raw_--no-abbrev_initial
@@ -0,0 +1,6 @@
+$ git diff --raw --no-abbrev initial
+:100644 100644 35d242ba79ae89ac695e26b3d4c27a8e6f028f9e 992913c5aa0a5476d10c49ed0f21fc0c6d1aedf3 M dir/sub
+:100644 100644 01e79c32a8c99c557f0757da7cb6d65b3414466d 10a8a9f3657f91a156b9f0184ed79a20adef9f7f M file0
+:000000 100644 0000000000000000000000000000000000000000 b1e67221afe8461efd244b487afca22d46b95eb8 A file1
+:100644 000000 01e79c32a8c99c557f0757da7cb6d65b3414466d 0000000000000000000000000000000000000000 D file2
+$
diff --git a/t/t4013/diff.diff_--raw_initial b/t/t4013/diff.diff_--raw_initial
new file mode 100644
index 0000000..a3e9780
--- /dev/null
+++ b/t/t4013/diff.diff_--raw_initial
@@ -0,0 +1,6 @@
+$ git diff --raw initial
+:100644 100644 35d242b... 992913c... M dir/sub
+:100644 100644 01e79c3... 10a8a9f... M file0
+:000000 100644 0000000... b1e6722... A file1
+:100644 000000 01e79c3... 0000000... D file2
+$
--
2.10.2