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-rw-r--r--Documentation/config/log.txt6
-rw-r--r--Documentation/diff-options.txt13
-rw-r--r--builtin/log.c2
-rw-r--r--diff-merges.c40
-rw-r--r--diff-merges.h2
-rwxr-xr-xt/t4013-diff-various.sh54
-rw-r--r--t/t4013/diff.log_--diff-merges=first-parent_--diff-merges=hide_master34
-rwxr-xr-xt/t9902-completion.sh3
8 files changed, 147 insertions, 7 deletions
diff --git a/Documentation/config/log.txt b/Documentation/config/log.txt
index 5f96cf87fb..d40a8468d5 100644
--- a/Documentation/config/log.txt
+++ b/Documentation/config/log.txt
@@ -37,6 +37,12 @@ log.diffMerges::
Set diff format to be used when `--diff-merges=on` is
specified, see `--diff-merges` in linkgit:git-log[1] for
details. Defaults to `separate`.
++
+When used with 'hide' or 'no-hide', sets the default hiding of
+diffs for merge commits when `-p` option is not used.
+
+log.diffMergesHide::
+ `true` implies `--diff-merges=hide` option.
log.follow::
If `true`, `git log` will act as if the `--follow` option was used when
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 3674ac48e9..b062bdab04 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -34,7 +34,7 @@ endif::git-diff[]
endif::git-format-patch[]
ifdef::git-log[]
---diff-merges=(off|none|on|first-parent|1|separate|m|combined|c|dense-combined|cc|remerge|r)::
+--diff-merges=(off|none|on|first-parent|1|separate|m|combined|c|dense-combined|cc|remerge|r|[no-]hide)::
--no-diff-merges::
Specify diff format to be used for merge commits. Default is
{diff-merges-default} unless `--first-parent` is in use, in which case
@@ -49,11 +49,12 @@ ifdef::git-log[]
--diff-merges=m:::
-m:::
This option makes diff output for merge commits to be shown in
- the default format. `-m` will produce the output only if `-p`
- is given as well. The default format could be changed using
+ the default format. The default format could be changed using
`log.diffMerges` configuration parameter, which default value
is `separate`.
+
+ `-m` is a shortcut for '--diff-merges=on --diff-merges=hide'
++
--diff-merges=first-parent:::
--diff-merges=1:::
This option makes merge commits show the full diff with
@@ -94,6 +95,12 @@ documented).
uninteresting hunks whose contents in the parents have only
two variants and the merge result picks one of them without
modification. `--cc` implies `-p`.
++
+--diff-merges=hide:::
+--diff-merges=no-hide:::
+ Hide (do not hide) the diff for merge commits unless `-p` options is given
+ as well. The default `no-hide` could be changed using `log.diffMerges`
+ configuration parameter.
--combined-all-paths::
This flag causes combined diffs (used for merge commits) to
diff --git a/builtin/log.c b/builtin/log.c
index 5eafcf26b4..46e45d4553 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -582,6 +582,8 @@ static int git_log_config(const char *var, const char *value, void *cb)
}
if (!strcmp(var, "log.diffmerges"))
return diff_merges_config(value);
+ if (!strcmp(var, "log.diffmergeshide"))
+ return diff_merges_hide_config(git_config_bool(var, value));
if (!strcmp(var, "log.showroot")) {
default_show_root = git_config_bool(var, value);
return 0;
diff --git a/diff-merges.c b/diff-merges.c
index 85cbefa5af..55fe5b70c1 100644
--- a/diff-merges.c
+++ b/diff-merges.c
@@ -7,6 +7,7 @@ static void set_separate(struct rev_info *revs);
static diff_merges_setup_func_t set_to_default = set_separate;
static int suppress_m_parsing;
+static int hide = 0;
static void suppress(struct rev_info *revs)
{
@@ -20,10 +21,15 @@ static void suppress(struct rev_info *revs)
revs->remerge_diff = 0;
}
+static void set_need_diff(struct rev_info *revs)
+{
+ revs->merges_need_diff = !hide;
+}
+
static void common_setup(struct rev_info *revs)
{
suppress(revs);
- revs->merges_need_diff = 1;
+ set_need_diff(revs);
}
static void set_none(struct rev_info *revs)
@@ -31,6 +37,18 @@ static void set_none(struct rev_info *revs)
suppress(revs);
}
+static void set_hide(struct rev_info *revs)
+{
+ hide = 1;
+ set_need_diff(revs);
+}
+
+static void set_no_hide(struct rev_info *revs)
+{
+ hide = 0;
+ set_need_diff(revs);
+}
+
static void set_separate(struct rev_info *revs)
{
common_setup(revs);
@@ -69,6 +87,10 @@ static diff_merges_setup_func_t func_by_opt(const char *optarg)
{
if (!strcmp(optarg, "off") || !strcmp(optarg, "none"))
return set_none;
+ if (!strcmp(optarg, "hide"))
+ return set_hide;
+ if (!strcmp(optarg, "no-hide"))
+ return set_no_hide;
if (!strcmp(optarg, "1") || !strcmp(optarg, "first-parent"))
return set_first_parent;
if (!strcmp(optarg, "separate"))
@@ -105,7 +127,19 @@ int diff_merges_config(const char *value)
if (!func)
return -1;
- set_to_default = func;
+ if (func == set_hide)
+ hide = 1;
+ else if (func == set_no_hide)
+ hide = 0;
+ else
+ set_to_default = func;
+
+ return 0;
+}
+
+int diff_merges_hide_config(int on)
+{
+ hide = on;
return 0;
}
@@ -122,7 +156,7 @@ int diff_merges_parse_opts(struct rev_info *revs, const char **argv)
if (!suppress_m_parsing && !strcmp(arg, "-m")) {
set_to_default(revs);
- revs->merges_need_diff = 0;
+ set_hide(revs);
} else if (!strcmp(arg, "-c")) {
set_combined(revs);
revs->merges_imply_patch = 1;
diff --git a/diff-merges.h b/diff-merges.h
index 19639689bb..e86e538169 100644
--- a/diff-merges.h
+++ b/diff-merges.h
@@ -11,6 +11,8 @@ struct rev_info;
int diff_merges_config(const char *value);
+int diff_merges_hide_config(int hide);
+
void diff_merges_suppress_m_parsing(void);
int diff_merges_parse_opts(struct rev_info *revs, const char **argv);
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index dfcf3a0aaa..4fc8ba2fc5 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -334,6 +334,7 @@ log --first-parent --diff-merges=off -p master
log -p --first-parent master
log -p --diff-merges=first-parent master
log --diff-merges=first-parent master
+log --diff-merges=first-parent --diff-merges=hide master
log -m -p --first-parent master
log -m -p master
log --cc -m -p master
@@ -460,7 +461,18 @@ EOF
test_expect_success 'log -m matches pure log' '
git log master >result &&
process_diffs result >expected &&
- git log -m >result &&
+ git log -m master >result &&
+ process_diffs result >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'log --diff-merges=on matches -m only with --diff-merges=hide' '
+ git log -m master >result &&
+ process_diffs result >expected &&
+ git log --diff-merges=on master >result &&
+ process_diffs result >actual &&
+ ! test_cmp expected actual &&
+ git log --diff-merges=on --diff-merges=hide master >result &&
process_diffs result >actual &&
test_cmp expected actual
'
@@ -496,6 +508,46 @@ test_expect_success 'git config log.diffMerges first-parent vs -m' '
test_cmp expected actual
'
+test_expect_success 'git config log.diffMerges hide: has effect' '
+ git log --diff-merges=on master >result &&
+ process_diffs result >no-hide &&
+ test_config log.diffMerges hide &&
+ git log --diff-merges=on master >result &&
+ process_diffs result >hide &&
+ ! test_cmp no-hide hide
+'
+
+test_expect_success 'git config log.diffMerges no-hide: is the default' '
+ git log --diff-merges=on master >result &&
+ process_diffs result >default &&
+ test_config log.diffMerges no-hide &&
+ git log --diff-merges=on master >result &&
+ process_diffs result >no-hide &&
+ test_cmp default no-hide
+'
+
+# As "-m" is synonym for "--diff-merges=hide --diff-merges=on", the
+# "log.diffMerges=hide" configuration should have no effect on "-m"
+test_expect_success 'git config log.diffMerges hide: has no effect on -m' '
+ git log -m master >result &&
+ process_diffs result >expected &&
+ test_config log.diffMerges hide &&
+ git log -m master >result &&
+ process_diffs result >actual &&
+ test_cmp expected actual
+'
+
+# As "--cc" implies "-p", the "log.diffMerges=hide" configuration
+# should have no effect on "--cc"
+test_expect_success 'git config log.diffMerges hide: has no effect on --cc' '
+ git log --cc master >result &&
+ process_diffs result >expected &&
+ test_config log.diffMerges hide &&
+ git log --cc master >result &&
+ process_diffs result >actual &&
+ test_cmp expected actual
+'
+
# -m in "git diff-index" means "match missing", that differs
# from its meaning in "git diff". Let's check it in diff-index.
# The line in the output for removed file should disappear when
diff --git a/t/t4013/diff.log_--diff-merges=first-parent_--diff-merges=hide_master b/t/t4013/diff.log_--diff-merges=first-parent_--diff-merges=hide_master
new file mode 100644
index 0000000000..596caec642
--- /dev/null
+++ b/t/t4013/diff.log_--diff-merges=first-parent_--diff-merges=hide_master
@@ -0,0 +1,34 @@
+$ git log --diff-merges=first-parent --diff-merges=hide master
+commit 59d314ad6f356dd08601a4cd5e530381da3e3c64
+Merge: 9a6d494 c7a2ab9
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+commit 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+commit 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+ This is the second commit.
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index 43de868b80..fc6b072221 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -2497,6 +2497,7 @@ test_expect_success 'git config - variable name' '
log.date Z
log.decorate Z
log.diffMerges Z
+ log.diffMergesHide Z
EOF
'
@@ -2525,6 +2526,7 @@ test_expect_success 'git -c - variable name' '
log.date=Z
log.decorate=Z
log.diffMerges=Z
+ log.diffMergesHide=Z
EOF
'
@@ -2547,6 +2549,7 @@ test_expect_success 'git clone --config= - variable name' '
log.date=Z
log.decorate=Z
log.diffMerges=Z
+ log.diffMergesHide=Z
EOF
'