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author | Jonathan Nieder <jrnieder@gmail.com> | 2010-01-26 10:08:44 -0600 |
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committer | Jonathan Nieder <jrnieder@gmail.com> | 2010-01-26 10:08:44 -0600 |
commit | 225f78c817755bebff91629cc525a258cf60eaea (patch) | |
tree | fc8146efeb2e2165d5427854f7f36d78fa59e168 /builtin-branch.c | |
parent | Makefile: drop dependency on $(wildcard */*.h) (diff) | |
parent | am: fix patch format detection for Thunderbird "Save As" emails (diff) | |
download | tgif-225f78c817755bebff91629cc525a258cf60eaea.tar.xz |
Merge branch 'master' of git://repo.or.cz/alt-git into jn/autodep
* 'master' of git://repo.or.cz/alt-git: (384 commits)
am: fix patch format detection for Thunderbird "Save As" emails
t0022: replace non-portable literal CR
tests: consolidate CR removal/addition functions
commit-tree: remove unused #define
t5541-http-push: make grep expression check for one line only
rebase: replace antiquated sed invocation
Add test-run-command to .gitignore
git_connect: use use_shell instead of explicit "sh", "-c"
gitweb.js: Workaround for IE8 bug
Make test numbers unique
Windows: Remove dependency on pthreadGC2.dll
Documentation: move away misplaced 'push --upstream' description
Documentation: add missing :: in config.txt
pull: re-fix command line generation
Documentation: merge: use MERGE_HEAD to refer to the remote branch
Documentation: simplify How Merge Works
Documentation: merge: add a section about fast-forward
Documentation: emphasize when git merge terminates early
Documentation: merge: add an overview
Documentation: merge: move merge strategy list to end
...
Conflicts:
Makefile
Diffstat (limited to 'builtin-branch.c')
-rw-r--r-- | builtin-branch.c | 66 |
1 files changed, 56 insertions, 10 deletions
diff --git a/builtin-branch.c b/builtin-branch.c index ddc9f2dab7..a28a13986d 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -93,9 +93,60 @@ static const char *branch_get_color(enum color_branch ix) return ""; } +static int branch_merged(int kind, const char *name, + struct commit *rev, struct commit *head_rev) +{ + /* + * This checks whether the merge bases of branch and HEAD (or + * the other branch this branch builds upon) contains the + * branch, which means that the branch has already been merged + * safely to HEAD (or the other branch). + */ + struct commit *reference_rev = NULL; + const char *reference_name = NULL; + int merged; + + if (kind == REF_LOCAL_BRANCH) { + struct branch *branch = branch_get(name); + unsigned char sha1[20]; + + if (branch && + branch->merge && + branch->merge[0] && + branch->merge[0]->dst && + (reference_name = + resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) + reference_rev = lookup_commit_reference(sha1); + } + if (!reference_rev) + reference_rev = head_rev; + + merged = in_merge_bases(rev, &reference_rev, 1); + + /* + * After the safety valve is fully redefined to "check with + * upstream, if any, otherwise with HEAD", we should just + * return the result of the in_merge_bases() above without + * any of the following code, but during the transition period, + * a gentle reminder is in order. + */ + if ((head_rev != reference_rev) && + in_merge_bases(rev, &head_rev, 1) != merged) { + if (merged) + warning("deleting branch '%s' that has been merged to\n" + " '%s', but it is not yet merged to HEAD.", + name, reference_name); + else + warning("not deleting branch '%s' that is not yet merged to\n" + " '%s', even though it is merged to HEAD.", + name, reference_name); + } + return merged; +} + static int delete_branches(int argc, const char **argv, int force, int kinds) { - struct commit *rev, *head_rev = head_rev; + struct commit *rev, *head_rev = NULL; unsigned char sha1[20]; char *name = NULL; const char *fmt, *remote; @@ -148,15 +199,8 @@ static int delete_branches(int argc, const char **argv, int force, int kinds) continue; } - /* This checks whether the merge bases of branch and - * HEAD contains branch -- which means that the HEAD - * contains everything in both. - */ - - if (!force && - !in_merge_bases(rev, &head_rev, 1)) { - error("The branch '%s' is not an ancestor of " - "your current HEAD.\n" + if (!force && !branch_merged(kinds, bname.buf, rev, head_rev)) { + error("The branch '%s' is not fully merged.\n" "If you are sure you want to delete it, " "run 'git branch -D %s'.", bname.buf, bname.buf); ret = 1; @@ -564,6 +608,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT__VERBOSE(&verbose), OPT_SET_INT('t', "track", &track, "set up tracking mode (see git-pull(1))", BRANCH_TRACK_EXPLICIT), + OPT_SET_INT( 0, "set-upstream", &track, "change upstream info", + BRANCH_TRACK_OVERRIDE), OPT_BOOLEAN( 0 , "color", &branch_use_color, "use colored output"), OPT_SET_INT('r', NULL, &kinds, "act on remote-tracking branches", REF_REMOTE_BRANCH), |