When fetch is invoked with --all, we need to pass the tag-following
preference to each individual fetch; without this, we will always
auto-follow tags, preventing us from fetching the remote tags into a
remote-specific namespace, for example.

Reported-by: Oswald Buddenhagen <o...@kde.org>
Signed-off-by: Dan Johnson <computerdr...@gmail.com>
On Sat, Sep 1, 2012 at 7:22 AM, Jeff King <p...@peff.net> wrote:
>Hmm. We allocate argv in fetch_multiple like this:
>  const char *argv[12] = { "fetch", "--append" };
>and then add a bunch of options to it, along with the name of the
>remote. By my count, the current code can hit exactly 12 (including the
>terminating NULL) if all options are set. Your patch would make it
>possible to overflow. Of course, I may be miscounting since it is
>extremely error-prone to figure out the right number by tracing each
>possible conditional.
>Maybe we should switch it to a dynamic argv_array? Like this:
>  [1/2]: argv-array: add pop function
>  [2/2]: fetch: use argv_array instead of hand-building arrays

This version is re-rolled to be on top of jk/argv-array, avoiding the issue of
the fixed-size array entirely. If needed, we could of course use the old
version of this patch and bump the number, but I figure this is preferable.

I've also added some test cases to cover this behavior, but I'm not entirely
happy with them. I'm not sure if/how we should be testing the pass-through
behavior of various arguments with fetch --all, but if so, we should probably do
so more thouroughly than I have here, but that just seems like combining
together tests of two unrelated things. It might just make more sense to ignore
it and drop these tests, I don't know.

Sorry this took me a few days to send, I just kept not getting around to it.

 builtin/fetch.c           |  4 ++++
 t/t5514-fetch-multiple.sh | 29 +++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/builtin/fetch.c b/builtin/fetch.c
index 6196e91..4494aed 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -858,6 +858,10 @@ static void add_options_to_argv(struct argv_array *argv)
                argv_array_push(argv, "--recurse-submodules");
        else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
                argv_array_push(argv, "--recurse-submodules=on-demand");
+       if (tags == TAGS_SET)
+               argv_array_push(argv, "--tags");
+       else if (tags == TAGS_UNSET)
+               argv_array_push(argv, "--no-tags");
        if (verbosity >= 2)
                argv_array_push(argv, "-v");
        if (verbosity >= 1)
diff --git a/t/t5514-fetch-multiple.sh b/t/t5514-fetch-multiple.sh
index 227dd56..cbd2460 100755
--- a/t/t5514-fetch-multiple.sh
+++ b/t/t5514-fetch-multiple.sh
@@ -151,4 +151,33 @@ test_expect_success 'git fetch --multiple (ignoring 
skipFetchAll)' '
         test_cmp ../expect output)
+cat > expect << EOF
+test_expect_success 'git fetch --all --no-tags' '
+       (git clone one test5 &&
+        git clone test5 test6 &&
+        (cd test5 && git tag test-tag) &&
+        cd test6 &&
+        git fetch --all --no-tags &&
+        git tag >output &&
+        test_cmp ../expect output)
+cat > expect << EOF
+test_expect_success 'git fetch --all --tags' '
+       (git clone one test7 &&
+        git clone test7 test8 &&
+        (cd test7 &&
+      test_commit test-tag &&
+      git reset --hard HEAD^) &&
+        cd test8 &&
+        git fetch --all --tags &&
+        git tag >output &&
+        test_cmp ../expect output)

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