diff options
| -rw-r--r-- | Documentation/git-branch.txt | 25 | ||||
| -rw-r--r-- | builtin-branch.c | 16 | ||||
| -rwxr-xr-x | t/t3201-branch-contains.sh | 42 |
3 files changed, 80 insertions, 3 deletions
diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt index 6f07a17a2c..c824d88742 100644 --- a/Documentation/git-branch.txt +++ b/Documentation/git-branch.txt @@ -8,7 +8,7 @@ git-branch - List, create, or delete branches SYNOPSIS -------- [verse] -'git-branch' [--color | --no-color] [-r | -a] +'git-branch' [--color | --no-color] [-r | -a] [--merged | --no-merged] [-v [--abbrev=<length> | --no-abbrev]] [--contains <commit>] 'git-branch' [--track | --no-track] [-l] [-f] <branchname> [<start-point>] @@ -24,6 +24,8 @@ and option `-a` shows both. With `--contains <commit>`, shows only the branches that contains the named commit (in other words, the branches whose tip commits are descendant of the named commit). +With `--merged`, only branches merged into HEAD will be listed, and +with `--no-merged` only branches not merged into HEAD will be listed. In its second form, a new branch named <branchname> will be created. It will start out with a head equal to the one given as <start-point>. @@ -118,6 +120,15 @@ OPTIONS --no-track:: Ignore the branch.autosetupmerge configuration variable. +--contains <commit>:: + Only list branches which contain the specified commit. + +--merged:: + Only list branches which are fully contained by HEAD. + +--no-merged:: + Do not list branches which are fully contained by HEAD. + <branchname>:: The name of the branch to create or delete. The new branch name must pass all checks defined by @@ -175,6 +186,18 @@ If you are creating a branch that you want to immediately checkout, it's easier to use the git checkout command with its `-b` option to create a branch and check it out with a single command. +The options `--contains`, `--merged` and `--no-merged` serves three related +but different purposes: + +- `--contains <commit>` is used to find all branches which will need + special attention if <commit> were to be rebased or amended, since those + branches contain the specified <commit>. + +- `--merged` is used to find all branches which can be safely deleted, + since those branches are fully contained by HEAD. + +- `--no-merged` is used to find branches which are candidates for merging + into HEAD, since those branches are not fully contained by HEAD. Author ------ diff --git a/builtin-branch.c b/builtin-branch.c index 5bc4526f64..19c508a608 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -15,7 +15,7 @@ #include "branch.h" static const char * const builtin_branch_usage[] = { - "git-branch [options] [-r | -a]", + "git-branch [options] [-r | -a] [--merged | --no-merged]", "git-branch [options] [-l] [-f] <branchname> [<start-point>]", "git-branch [options] [-r] (-d | -D) <branchname>", "git-branch [options] (-m | -M) [<oldbranch>] <newbranch>", @@ -46,6 +46,8 @@ enum color_branch { COLOR_BRANCH_CURRENT = 4, }; +static int mergefilter = -1; + static int parse_branch_color_slot(const char *var, int ofs) { if (!strcasecmp(var+ofs, "plain")) @@ -210,6 +212,7 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags, struct ref_item *newitem; int kind = REF_UNKNOWN_TYPE; int len; + static struct commit_list branch; /* Detect kind */ if (!prefixcmp(refname, "refs/heads/")) { @@ -231,6 +234,16 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags, if ((kind & ref_list->kinds) == 0) return 0; + if (mergefilter > -1) { + branch.item = lookup_commit_reference_gently(sha1, 1); + if (!branch.item) + die("Unable to lookup tip of branch %s", refname); + if (mergefilter == 0 && has_commit(head_sha1, &branch)) + return 0; + if (mergefilter == 1 && !has_commit(head_sha1, &branch)) + return 0; + } + /* Resize buffer */ if (ref_list->index >= ref_list->alloc) { ref_list->alloc = alloc_nr(ref_list->alloc); @@ -444,6 +457,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2), OPT_BOOLEAN('l', NULL, &reflog, "create the branch's reflog"), OPT_BOOLEAN('f', NULL, &force_create, "force creation (when already exists)"), + OPT_SET_INT(0, "merged", &mergefilter, "list only merged branches", 1), OPT_END(), }; diff --git a/t/t3201-branch-contains.sh b/t/t3201-branch-contains.sh index b4cf628d22..f86f4bc5eb 100755 --- a/t/t3201-branch-contains.sh +++ b/t/t3201-branch-contains.sh @@ -1,6 +1,6 @@ #!/bin/sh -test_description='branch --contains <commit>' +test_description='branch --contains <commit>, --merged, and --no-merged' . ./test-lib.sh @@ -55,4 +55,44 @@ test_expect_success 'branch --contains=side' ' ' +test_expect_success 'side: branch --merged' ' + + git branch --merged >actual && + { + echo " master" && + echo "* side" + } >expect && + test_cmp expect actual + +' + +test_expect_success 'side: branch --no-merged' ' + + git branch --no-merged >actual && + >expect && + test_cmp expect actual + +' + +test_expect_success 'master: branch --merged' ' + + git checkout master && + git branch --merged >actual && + { + echo "* master" + } >expect && + test_cmp expect actual + +' + +test_expect_success 'master: branch --no-merged' ' + + git branch --no-merged >actual && + { + echo " side" + } >expect && + test_cmp expect actual + +' + test_done |