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List: git
Subject: [PATCHv2 2/7] revision.h: introduce blob/tree walking in order of the commits
From: Stefan Beller <sbeller () google ! com>
Date: 2017-10-31 21:18:47
Message-ID: 20171031211852.13001-3-sbeller () google ! com
[Download RAW message or body]
The functionality to list tree objects in the order they were seen
while traversing the commits will be used in the next commit,
where we teach `git describe` to describe not only commits, but
trees and blobs, too.
Signed-off-by: Stefan Beller <sbeller@google.com>
---
Documentation/rev-list-options.txt | 5 +++++
list-objects.c | 2 ++
revision.c | 2 ++
revision.h | 3 ++-
t/t6100-rev-list-in-order.sh | 46 ++++++++++++++++++++++++++++++++++++++
5 files changed, 57 insertions(+), 1 deletion(-)
create mode 100755 t/t6100-rev-list-in-order.sh
diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index 13501e1556..9066e0c777 100644
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -686,6 +686,11 @@ ifdef::git-rev-list[]
all object IDs which I need to download if I have the commit
object _bar_ but not _foo_''.
+--in-commit-order::
+ Print tree and blob ids in order of the commits. The tree
+ and blob ids are printed after they are first referenced
+ by a commit.
+
--objects-edge::
Similar to `--objects`, but also print the IDs of excluded
commits prefixed with a ``-'' character. This is used by
diff --git a/list-objects.c b/list-objects.c
index ef9dbe8f92..03438e5a8b 100644
--- a/list-objects.c
+++ b/list-objects.c
@@ -239,6 +239,8 @@ void traverse_commit_list(struct rev_info *revs,
if (commit->tree)
add_pending_tree(revs, commit->tree);
show_commit(commit, data);
+ if (revs->tree_blobs_in_commit_order)
+ traverse_trees_and_blobs(revs, &csp, show_object, data);
}
traverse_trees_and_blobs(revs, &csp, show_object, data);
diff --git a/revision.c b/revision.c
index d167223e69..9329d4ebbf 100644
--- a/revision.c
+++ b/revision.c
@@ -1845,6 +1845,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->dense = 0;
} else if (!strcmp(arg, "--show-all")) {
revs->show_all = 1;
+ } else if (!strcmp(arg, "--in-commit-order")) {
+ revs->tree_blobs_in_commit_order = 1;
} else if (!strcmp(arg, "--remove-empty")) {
revs->remove_empty_trees = 1;
} else if (!strcmp(arg, "--merges")) {
diff --git a/revision.h b/revision.h
index 54761200ad..86985d68aa 100644
--- a/revision.h
+++ b/revision.h
@@ -121,7 +121,8 @@ struct rev_info {
bisect:1,
ancestry_path:1,
first_parent_only:1,
- line_level_traverse:1;
+ line_level_traverse:1,
+ tree_blobs_in_commit_order:1;
/* Diff flags */
unsigned int diff:1,
diff --git a/t/t6100-rev-list-in-order.sh b/t/t6100-rev-list-in-order.sh
new file mode 100755
index 0000000000..651666979b
--- /dev/null
+++ b/t/t6100-rev-list-in-order.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+test_description='miscellaneous rev-list tests'
+
+. ./test-lib.sh
+
+
+test_expect_success 'setup' '
+ for x in one two three four
+ do
+ echo $x >$x &&
+ git add $x &&
+ git commit -m "add file $x"
+ done &&
+ for x in four three
+ do
+ git rm $x &&
+ git commit -m "remove $x"
+ done &&
+ git rev-list --in-commit-order --objects HEAD >actual.raw &&
+ cut -c 1-40 >actual <actual.raw &&
+
+ git cat-file --batch-check="%(objectname)" >expect.raw <<-\EOF &&
+ HEAD^{commit}
+ HEAD^{tree}
+ HEAD^{tree}:one
+ HEAD^{tree}:two
+ HEAD~1^{commit}
+ HEAD~1^{tree}
+ HEAD~1^{tree}:three
+ HEAD~2^{commit}
+ HEAD~2^{tree}
+ HEAD~2^{tree}:four
+ HEAD~3^{commit}
+ # HEAD~3^{tree} skipped
+ HEAD~4^{commit}
+ # HEAD~4^{tree} skipped
+ HEAD~5^{commit}
+ HEAD~5^{tree}
+ EOF
+ grep -v "#" >expect <expect.raw &&
+
+ test_cmp expect actual
+'
+
+test_done
--
2.15.0.rc2.443.gfcc3b81c0a
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