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git-branch --track: fix tracking branch computation.
The original code did not take hierarchical branch names into account at all. Tested-by: Gerrit Pape <pape@smarden.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -317,8 +317,6 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev)
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static char *config_repo;
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static char *config_remote;
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static const char *start_ref;
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static int start_len;
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static int base_len;
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static int get_remote_branch_name(const char *value)
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{
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@ -334,26 +332,41 @@ static int get_remote_branch_name(const char *value)
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end = value + strlen(value);
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/* Try an exact match first. */
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/*
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* Try an exact match first. I.e. handle the case where the
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* value is "$anything:refs/foo/bar/baz" and start_ref is exactly
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* "refs/foo/bar/baz". Then the name at the remote is $anything.
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*/
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if (!strcmp(colon + 1, start_ref)) {
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/* Truncate the value before the colon. */
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/* Truncate the value before the colon. */
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nfasprintf(&config_repo, "%.*s", colon - value, value);
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return 1;
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}
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/* Try with a wildcard match now. */
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if (end - value > 2 && end[-2] == '/' && end[-1] == '*' &&
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colon - value > 2 && colon[-2] == '/' && colon[-1] == '*' &&
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(end - 2) - (colon + 1) == base_len &&
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!strncmp(colon + 1, start_ref, base_len)) {
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/* Replace the star with the remote branch name. */
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nfasprintf(&config_repo, "%.*s%s",
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(colon - 2) - value, value,
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start_ref + base_len);
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return 1;
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}
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/*
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* Is this a wildcard match?
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*/
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if ((end - 2 <= value) || end[-2] != '/' || end[-1] != '*' ||
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(colon - 2 <= value) || colon[-2] != '/' || colon[-1] != '*')
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return 0;
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return 0;
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/*
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* Value is "refs/foo/bar/<asterisk>:refs/baz/boa/<asterisk>"
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* and start_ref begins with "refs/baz/boa/"; the name at the
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* remote is refs/foo/bar/ with the remaining part of the
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* start_ref. The length of the prefix on the RHS is (end -
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* colon - 2), including the slash immediately before the
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* asterisk.
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*/
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if ((strlen(start_ref) < end - colon - 2) ||
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memcmp(start_ref, colon + 1, end - colon - 2))
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return 0; /* does not match prefix */
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/* Replace the asterisk with the remote branch name. */
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nfasprintf(&config_repo, "%.*s%s",
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(colon - 1) - value, value,
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start_ref + (end - colon - 2));
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return 1;
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}
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static int get_remote_config(const char *key, const char *value)
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@ -363,10 +376,12 @@ static int get_remote_config(const char *key, const char *value)
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return 0;
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var = strrchr(key, '.');
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if (var == key + 6)
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if (var == key + 6 || strcmp(var, ".fetch"))
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return 0;
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if (!strcmp(var, ".fetch") && get_remote_branch_name(value))
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/*
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* Ok, we are looking at key == "remote.$foo.fetch";
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*/
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if (get_remote_branch_name(value))
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nfasprintf(&config_remote, "%.*s", var - (key + 7), key + 7);
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return 0;
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@ -392,14 +407,14 @@ static void set_branch_merge(const char *name, const char *config_remote,
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static void set_branch_defaults(const char *name, const char *real_ref)
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{
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const char *slash = strrchr(real_ref, '/');
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if (!slash)
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return;
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/*
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* name is the name of new branch under refs/heads;
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* real_ref is typically refs/remotes/$foo/$bar, where
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* $foo is the remote name (there typically are no slashes)
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* and $bar is the branch name we map from the remote
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* (it could have slashes).
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*/
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start_ref = real_ref;
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start_len = strlen(real_ref);
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base_len = slash - real_ref;
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git_config(get_remote_config);
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if (!config_repo && !config_remote &&
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!prefixcmp(real_ref, "refs/heads/")) {
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@ -136,8 +136,8 @@ test_expect_success 'test tracking setup (non-wildcard, not matching)' \
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git-config remote.local.fetch refs/heads/s:refs/remotes/local/s &&
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(git-show-ref -q refs/remotes/local/master || git-fetch local) &&
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git-branch --track my5 local/master &&
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! test $(git-config branch.my5.remote) = local &&
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! test $(git-config branch.my5.merge) = refs/heads/master'
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! test "$(git-config branch.my5.remote)" = local &&
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! test "$(git-config branch.my5.merge)" = refs/heads/master'
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test_expect_success 'test tracking setup via config' \
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'git-config branch.autosetupmerge true &&
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@ -155,14 +155,22 @@ test_expect_success 'test overriding tracking setup via --no-track' \
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(git-show-ref -q refs/remotes/local/master || git-fetch local) &&
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git-branch --no-track my2 local/master &&
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git-config branch.autosetupmerge false &&
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! test $(git-config branch.my2.remote) = local &&
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! test $(git-config branch.my2.merge) = refs/heads/master'
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! test "$(git-config branch.my2.remote)" = local &&
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! test "$(git-config branch.my2.merge)" = refs/heads/master'
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test_expect_success 'test local tracking setup' \
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'git branch --track my6 s &&
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test $(git-config branch.my6.remote) = . &&
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test $(git-config branch.my6.merge) = refs/heads/s'
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test_expect_success 'test tracking setup via --track but deeper' \
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'git-config remote.local.url . &&
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git-config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
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(git-show-ref -q refs/remotes/local/o/o || git-fetch local) &&
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git-branch --track my7 local/o/o &&
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test "$(git-config branch.my7.remote)" = local &&
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test "$(git-config branch.my7.merge)" = refs/heads/o/o'
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# Keep this test last, as it changes the current branch
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cat >expect <<EOF
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0000000000000000000000000000000000000000 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master
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