git-commit-vandalism/t/t1200-tutorial.sh
Linus Torvalds 9153983310 Log message printout cleanups
On Sun, 16 Apr 2006, Junio C Hamano wrote:
>
> In the mid-term, I am hoping we can drop the generate_header()
> callchain _and_ the custom code that formats commit log in-core,
> found in cmd_log_wc().

Ok, this was nastier than expected, just because the dependencies between
the different log-printing stuff were absolutely _everywhere_, but here's
a patch that does exactly that.

The patch is not very easy to read, and the "--patch-with-stat" thing is
still broken (it does not call the "show_log()" thing properly for
merges). That's not a new bug. In the new world order it _should_ do
something like

	if (rev->logopt)
		show_log(rev, rev->logopt, "---\n");

but it doesn't. I haven't looked at the --with-stat logic, so I left it
alone.

That said, this patch removes more lines than it adds, and in particular,
the "cmd_log_wc()" loop is now a very clean:

	while ((commit = get_revision(rev)) != NULL) {
		log_tree_commit(rev, commit);
		free(commit->buffer);
		commit->buffer = NULL;
	}

so it doesn't get much prettier than this. All the complexity is entirely
hidden in log-tree.c, and any code that needs to flush the log literally
just needs to do the "if (rev->logopt) show_log(...)" incantation.

I had to make the combined_diff() logic take a "struct rev_info" instead
of just a "struct diff_options", but that part is pretty clean.

This does change "git whatchanged" from using "diff-tree" as the commit
descriptor to "commit", and I changed one of the tests to reflect that new
reality. Otherwise everything still passes, and my other tests look fine
too.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-04-17 15:18:25 -07:00

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#!/bin/sh
#
# Copyright (c) 2005 Johannes Schindelin
#
test_description='Test git-rev-parse with different parent options'
. ./test-lib.sh
echo "Hello World" > hello
echo "Silly example" > example
git-update-index --add hello example
test_expect_success 'blob' "test blob = \"$(git-cat-file -t 557db03)\""
test_expect_success 'blob 557db03' "test \"Hello World\" = \"$(git-cat-file blob 557db03)\""
echo "It's a new day for git" >>hello
cat > diff.expect << EOF
diff --git a/hello b/hello
index 557db03..263414f 100644
--- a/hello
+++ b/hello
@@ -1 +1,2 @@
Hello World
+It's a new day for git
EOF
git-diff-files -p > diff.output
test_expect_success 'git-diff-files -p' 'cmp diff.expect diff.output'
git diff > diff.output
test_expect_success 'git diff' 'cmp diff.expect diff.output'
tree=$(git-write-tree 2>/dev/null)
test_expect_success 'tree' "test 8988da15d077d4829fc51d8544c097def6644dbb = $tree"
output="$(echo "Initial commit" | git-commit-tree $(git-write-tree) 2>&1 > .git/refs/heads/master)"
test_expect_success 'commit' "test 'Committing initial tree 8988da15d077d4829fc51d8544c097def6644dbb' = \"$output\""
git-diff-index -p HEAD > diff.output
test_expect_success 'git-diff-index -p HEAD' 'cmp diff.expect diff.output'
git diff HEAD > diff.output
test_expect_success 'git diff HEAD' 'cmp diff.expect diff.output'
#rm hello
#test_expect_success 'git-read-tree --reset HEAD' "git-read-tree --reset HEAD ; test \"hello: needs update\" = \"$(git-update-index --refresh)\""
cat > whatchanged.expect << EOF
commit VARIABLE
Author: VARIABLE
Date: VARIABLE
Initial commit
diff --git a/example b/example
new file mode 100644
index 0000000..f24c74a
--- /dev/null
+++ b/example
@@ -0,0 +1 @@
+Silly example
diff --git a/hello b/hello
new file mode 100644
index 0000000..557db03
--- /dev/null
+++ b/hello
@@ -0,0 +1 @@
+Hello World
EOF
git-whatchanged -p --root | \
sed -e "1s/^\(.\{7\}\).\{40\}/\1VARIABLE/" \
-e "2,3s/^\(.\{8\}\).*$/\1VARIABLE/" \
> whatchanged.output
test_expect_success 'git-whatchanged -p --root' 'cmp whatchanged.expect whatchanged.output'
git tag my-first-tag
test_expect_success 'git tag my-first-tag' 'cmp .git/refs/heads/master .git/refs/tags/my-first-tag'
# TODO: test git-clone
git checkout -b mybranch
test_expect_success 'git checkout -b mybranch' 'cmp .git/refs/heads/master .git/refs/heads/mybranch'
cat > branch.expect <<EOF
master
* mybranch
EOF
git branch > branch.output
test_expect_success 'git branch' 'cmp branch.expect branch.output'
git checkout mybranch
echo "Work, work, work" >>hello
git commit -m 'Some work.' -i hello
git checkout master
echo "Play, play, play" >>hello
echo "Lots of fun" >>example
git commit -m 'Some fun.' -i hello example
test_expect_failure 'git resolve now fails' 'git resolve HEAD mybranch "Merge work in mybranch"'
cat > hello << EOF
Hello World
It's a new day for git
Play, play, play
Work, work, work
EOF
git commit -m 'Merged "mybranch" changes.' -i hello
cat > show-branch.expect << EOF
* [master] Merged "mybranch" changes.
! [mybranch] Some work.
--
- [master] Merged "mybranch" changes.
*+ [mybranch] Some work.
EOF
git show-branch --topo-order master mybranch > show-branch.output
test_expect_success 'git show-branch' 'cmp show-branch.expect show-branch.output'
git checkout mybranch
cat > resolve.expect << EOF
Updating from VARIABLE to VARIABLE
example | 1 +
hello | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
EOF
git resolve HEAD master "Merge upstream changes." | \
sed -e "1s/[0-9a-f]\{40\}/VARIABLE/g" > resolve.output
test_expect_success 'git resolve' 'cmp resolve.expect resolve.output'
cat > show-branch2.expect << EOF
! [master] Merged "mybranch" changes.
* [mybranch] Merged "mybranch" changes.
--
-- [master] Merged "mybranch" changes.
EOF
git show-branch --topo-order master mybranch > show-branch2.output
test_expect_success 'git show-branch' 'cmp show-branch2.expect show-branch2.output'
# TODO: test git fetch
# TODO: test git push
test_expect_success 'git repack' 'git repack'
test_expect_success 'git prune-packed' 'git prune-packed'
test_expect_failure '-> only packed objects' 'find -type f .git/objects/[0-9a-f][0-9a-f]'
test_done