David Kastrup <dak@xxxxxxx> writes:
> ... The problem I have
> with that is that "somefile.c" renders commits uninteresting, but
> not if they have interesting parents (what do their parents have to do
> with it?). So if I have
>
> A -> B -> B1 -> C -> HEAD
>
> where somefile.c does not change between B and B1, then
> git-rev-list HEAD --not B -- somefile.c
> spews out
> HEAD
> C
> and that's it. Quite as expected. However,
> git-rev-list HEAD --not B --parents -- somefile.c
> spews out
> HEAD C
> C B1
> B1 B
>
> and look and behold, B1 became interesting because of its unlisted
> parent B.
>
> There is something wrong with that.
There indeed is, and that is not what I am seeing.
Running this script in an empty directory gives me:
#!/bin/sh
GIT_AUTHOR_NAME='A U Thor'
GIT_AUTHOR_EMAIL=a.u.thor@xxxxxxxxxx
GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"
GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"
GIT_AUTHOR_DATE='2007-07-16 00:00:00 +0000'
GIT_COMMITTER_DATE='2007-07-16 00:00:00 +0000'
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL \
GIT_AUTHOR_DATE GIT_COMMITTER_DATE
rm -fr .git
git init
echo A >somefile.c; git add somefile.c; git commit -m 'A'; git tag A
echo B >somefile.c; git add somefile.c; git commit -m 'B'; git tag B
echo B1 >another; git add another; git commit -m 'B1'; git tag B1
echo C >somefile.c; git add somefile.c; git commit -m 'C'; git tag C
echo H >somefile.c; git add somefile.c; git commit -m 'H'; git tag H
git rev-list --parents HEAD --not B -- somefile.c |
git name-rev --tags --stdin
$ sh t000.sh
Initialized empty Git repository in .git/
Created initial commit 7a13cf5: A
1 files changed, 1 insertions(+), 0 deletions(-)
create mode 100644 somefile.c
Created commit b66d40b: B
1 files changed, 1 insertions(+), 1 deletions(-)
Created commit 5530c91: B1
1 files changed, 1 insertions(+), 0 deletions(-)
create mode 100644 another
Created commit 7ee2b7e: C
1 files changed, 1 insertions(+), 1 deletions(-)
Created commit 71fafc0: H
1 files changed, 1 insertions(+), 1 deletions(-)
71fafc0f49ffb82b123c09ec0857f9f458ed32c4 (tags/H) 7ee2b7ed072190c56a2eedda3130f6bb729d0da1 (tags/C)
7ee2b7ed072190c56a2eedda3130f6bb729d0da1 (tags/C) b66d40bd7ed6d7403c16d8e37e6e410852598247 (tags/B)
The commit listed are H and then C; their (rewritten) parents
are C and B, respectively.
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