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-rw-r--r--Documentation/diff-options.txt9
-rw-r--r--diff.c5
-rwxr-xr-xt/t4013-diff-various.sh63
-rw-r--r--t/t4013/diff.diff-tree_--root_-p_--abbrev=10_initial29
-rw-r--r--t/t4013/diff.diff-tree_--root_-p_--full-index_--abbrev=10_initial29
-rw-r--r--t/t4013/diff.diff-tree_--root_-p_--full-index_initial29
6 files changed, 138 insertions, 26 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index b7af973d9c..573fb9bb71 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -446,10 +446,11 @@ endif::git-format-patch[]
--abbrev[=<n>]::
Instead of showing the full 40-byte hexadecimal object
name in diff-raw format output and diff-tree header
- lines, show only a partial prefix. This is
- independent of the `--full-index` option above, which controls
- the diff-patch output format. Non default number of
- digits can be specified with `--abbrev=<n>`.
+ lines, show only a partial prefix.
+ In diff-patch output format, `--full-index` takes higher
+ precedence, i.e. if `--full-index` is specified, full blob
+ names will be shown regardless of `--abbrev`.
+ Non default number of digits can be specified with `--abbrev=<n>`.
-B[<n>][/<m>]::
--break-rewrites[=[<n>][/<m>]]::
diff --git a/diff.c b/diff.c
index f175019eb7..e3a5ee3bee 100644
--- a/diff.c
+++ b/diff.c
@@ -4319,7 +4319,10 @@ static void fill_metainfo(struct strbuf *msg,
}
if (one && two && !oideq(&one->oid, &two->oid)) {
const unsigned hexsz = the_hash_algo->hexsz;
- int abbrev = o->flags.full_index ? hexsz : DEFAULT_ABBREV;
+ int abbrev = o->abbrev ? o->abbrev : DEFAULT_ABBREV;
+
+ if (o->flags.full_index)
+ abbrev = hexsz;
if (o->flags.binary) {
mmfile_t mf;
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 5f97dd6d65..5c7b0122b4 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -130,27 +130,45 @@ test_expect_success setup '
EOF
process_diffs () {
- _x04="[0-9a-f][0-9a-f][0-9a-f][0-9a-f]" &&
- _x07="$_x05[0-9a-f][0-9a-f]" &&
- sed -e "s/$OID_REGEX/$ZERO_OID/g" \
- -e "s/From $_x40 /From $ZERO_OID /" \
- -e "s/from $_x40)/from $ZERO_OID)/" \
- -e "s/commit $_x40\$/commit $ZERO_OID/" \
- -e "s/commit $_x40 (/commit $ZERO_OID (/" \
- -e "s/$_x40 $_x40 $_x40/$ZERO_OID $ZERO_OID $ZERO_OID/" \
- -e "s/$_x40 $_x40 /$ZERO_OID $ZERO_OID /" \
- -e "s/^$_x40 $_x40$/$ZERO_OID $ZERO_OID/" \
- -e "s/^$_x40 /$ZERO_OID /" \
- -e "s/^$_x40$/$ZERO_OID/" \
- -e "s/$_x07\.\.$_x07/fffffff..fffffff/g" \
- -e "s/$_x07,$_x07\.\.$_x07/fffffff,fffffff..fffffff/g" \
- -e "s/$_x07 $_x07 $_x07/fffffff fffffff fffffff/g" \
- -e "s/$_x07 $_x07 /fffffff fffffff /g" \
- -e "s/Merge: $_x07 $_x07/Merge: fffffff fffffff/g" \
- -e "s/$_x07\.\.\./fffffff.../g" \
- -e "s/ $_x04\.\.\./ ffff.../g" \
- -e "s/ $_x04/ ffff/g" \
- "$1"
+ perl -e '
+ my $oid_length = length($ARGV[0]);
+ my $x40 = "[0-9a-f]{40}";
+ my $xab = "[0-9a-f]{4,16}";
+ my $orx = "[0-9a-f]" x $oid_length;
+
+ sub munge_oid {
+ my ($oid) = @_;
+ my $x;
+
+ return "" unless length $oid;
+
+ if ($oid =~ /^(100644|100755|120000)$/) {
+ return $oid;
+ }
+
+ if ($oid =~ /^0*$/) {
+ $x = "0";
+ } else {
+ $x = "f";
+ }
+
+ if (length($oid) == 40) {
+ return $x x $oid_length;
+ } else {
+ return $x x length($oid);
+ }
+ }
+
+ while (<STDIN>) {
+ s/($orx)/munge_oid($1)/ge;
+ s/From ($x40)( |\))/"From " . munge_oid($1) . $2/ge;
+ s/commit ($x40)($| \(from )($x40?)/"commit " . munge_oid($1) . $2 . munge_oid($3)/ge;
+ s/\b($x40)( |\.\.|$)/munge_oid($1) . $2/ge;
+ s/^($x40)($| )/munge_oid($1) . $2/e;
+ s/($xab)(\.\.|,| |\.\.\.|$)/munge_oid($1) . $2/ge;
+ print;
+ }
+ ' "$ZERO_OID" <"$1"
}
V=$(git version | sed -e 's/^git version //' -e 's/\./\\./g')
@@ -221,6 +239,9 @@ diff-tree --root -r --abbrev=4 initial
:noellipses diff-tree --root -r --abbrev=4 initial
diff-tree -p initial
diff-tree --root -p initial
+diff-tree --root -p --abbrev=10 initial
+diff-tree --root -p --full-index initial
+diff-tree --root -p --full-index --abbrev=10 initial
diff-tree --patch-with-stat initial
diff-tree --root --patch-with-stat initial
diff-tree --patch-with-raw initial
diff --git a/t/t4013/diff.diff-tree_--root_-p_--abbrev=10_initial b/t/t4013/diff.diff-tree_--root_-p_--abbrev=10_initial
new file mode 100644
index 0000000000..7518a9044e
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-p_--abbrev=10_initial
@@ -0,0 +1,29 @@
+$ git diff-tree --root -p --abbrev=10 initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000000..35d242ba79
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000000..01e79c32a8
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000000..01e79c32a8
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--root_-p_--full-index_--abbrev=10_initial b/t/t4013/diff.diff-tree_--root_-p_--full-index_--abbrev=10_initial
new file mode 100644
index 0000000000..69f913fbe5
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-p_--full-index_--abbrev=10_initial
@@ -0,0 +1,29 @@
+$ git diff-tree --root -p --full-index --abbrev=10 initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000000000000000000000000000000000000..35d242ba79ae89ac695e26b3d4c27a8e6f028f9e
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000000000000000000000000000000000000..01e79c32a8c99c557f0757da7cb6d65b3414466d
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000000000000000000000000000000000000..01e79c32a8c99c557f0757da7cb6d65b3414466d
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--root_-p_--full-index_initial b/t/t4013/diff.diff-tree_--root_-p_--full-index_initial
new file mode 100644
index 0000000000..1b0b6717fa
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-p_--full-index_initial
@@ -0,0 +1,29 @@
+$ git diff-tree --root -p --full-index initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000000000000000000000000000000000000..35d242ba79ae89ac695e26b3d4c27a8e6f028f9e
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000000000000000000000000000000000000..01e79c32a8c99c557f0757da7cb6d65b3414466d
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000000000000000000000000000000000000..01e79c32a8c99c557f0757da7cb6d65b3414466d
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$