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-rw-r--r--Documentation/config.txt6
-rw-r--r--builtin-log.c20
-rwxr-xr-xt/t4013-diff-various.sh1
3 files changed, 23 insertions, 4 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 9d3c71c3b8..9090762819 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -219,6 +219,12 @@ i18n.commitEncoding::
browser (and possibly at other places in the future or in other
porcelains). See e.g. gitlink:git-mailinfo[1]. Defaults to 'utf-8'.
+log.showroot::
+ If true, the initial commit will be shown as a big creation event.
+ This is equivalent to a diff against an empty tree.
+ Tools like gitlink:git-log[1] or gitlink:git-whatchanged[1], which
+ normally hide the root commit will now show it. True by default.
+
merge.summary::
Whether to include summaries of merged commits in newly created
merge commit messages. False by default.
diff --git a/builtin-log.c b/builtin-log.c
index fedb0137bc..7acf5d3b0c 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -13,6 +13,8 @@
#include <time.h>
#include <sys/time.h>
+static int default_show_root = 1;
+
/* this is in builtin-diff.c */
void add_head(struct rev_info *revs);
@@ -22,6 +24,7 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
rev->abbrev = DEFAULT_ABBREV;
rev->commit_format = CMIT_FMT_DEFAULT;
rev->verbose_header = 1;
+ rev->show_root_diff = default_show_root;
argc = setup_revisions(argc, argv, rev, "HEAD");
if (rev->diffopt.pickaxe || rev->diffopt.filter)
rev->always_show_header = 0;
@@ -44,11 +47,20 @@ static int cmd_log_walk(struct rev_info *rev)
return 0;
}
+static int git_log_config(const char *var, const char *value)
+{
+ if (!strcmp(var, "log.showroot")) {
+ default_show_root = git_config_bool(var, value);
+ return 0;
+ }
+ return git_diff_ui_config(var, value);
+}
+
int cmd_whatchanged(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
- git_config(git_diff_ui_config);
+ git_config(git_log_config);
init_revisions(&rev, prefix);
rev.diff = 1;
rev.diffopt.recursive = 1;
@@ -63,7 +75,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
- git_config(git_diff_ui_config);
+ git_config(git_log_config);
init_revisions(&rev, prefix);
rev.diff = 1;
rev.diffopt.recursive = 1;
@@ -80,7 +92,7 @@ int cmd_log(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
- git_config(git_diff_ui_config);
+ git_config(git_log_config);
init_revisions(&rev, prefix);
rev.always_show_header = 1;
cmd_log_init(argc, argv, prefix, &rev);
@@ -109,7 +121,7 @@ static int git_format_config(const char *var, const char *value)
if (!strcmp(var, "diff.color")) {
return 0;
}
- return git_diff_ui_config(var, value);
+ return git_log_config(var, value);
}
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 71c454356f..ed37141b6e 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -73,6 +73,7 @@ test_expect_success setup '
for i in 1 2; do echo $i; done >>dir/sub &&
git update-index file0 dir/sub &&
+ git repo-config log.showroot false &&
git commit --amend &&
git show-branch
'