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-rw-r--r--Documentation/git-show-branches-script.txt69
-rw-r--r--Documentation/git.txt2
-rw-r--r--Makefile1
-rwxr-xr-xgit-show-branches-script53
4 files changed, 125 insertions, 0 deletions
diff --git a/Documentation/git-show-branches-script.txt b/Documentation/git-show-branches-script.txt
new file mode 100644
index 0000000..95c7013
--- /dev/null
+++ b/Documentation/git-show-branches-script.txt
@@ -0,0 +1,69 @@
+git-show-branches-script(1)
+===========================
+v0.99.4, Aug 2005
+
+NAME
+----
+git-show-branches-script - Show branches and their commits.
+
+SYNOPSIS
+--------
+'git show-branches <reference>...'
+
+DESCRIPTION
+-----------
+Shows the head commits from the named <reference> (or all refs under
+$GIT_DIR/refs/heads), and displays concise list of commit logs
+to show their relationship semi-visually.
+
+OPTIONS
+-------
+<reference>::
+ Name of the reference under $GIT_DIR/refs/heads/.
+
+
+OUTPUT
+------
+Given N <references>, the first N lines are the one-line
+description from their commit message. The branch head that is
+pointed at by $GIT_DIR/HEAD is prefixed with an asterisk '*'
+character while other heads are prefixed with a '!' character.
+
+Following these N lines, one-line log for each commit is
+displayed, indented N places. If a commit is on the I-th
+branch, the I-th indentation character shows a '+' sign;
+otherwise it shows a space.
+
+The following example shows three branches, "pu", "master" and
+"rc":
+
+ * [pu] Add cheap local clone '-s' flag to git-clone-script
+ ! [master] Documentation updates.
+ ! [rc] Merge master into rc
+ + Add cheap local clone '-s' flag to git-clone-script
+ + Alternate object pool mechanism updates.
+ + Audit rev-parse users.
+ ++ Documentation updates.
+ + Merge master into rc
+ +++ [PATCH] plug memory leak in diff.c::diff_free_filepair()
+
+These three branches all forked from a common commit, "[PATCH]
+plug memory leak...", and "rc" has one commit ahead of it. The
+"master" branch has one different commit that is also shared by
+"pu" branch, and "pu" branch has three more commits on top of
+"master" branch.
+
+
+Author
+------
+Written by Junio C Hamano <junkio@cox.net>
+
+
+Documentation
+--------------
+Documentation by Junio C Hamano.
+
+
+GIT
+---
+Part of the link:git.html[git] suite
diff --git a/Documentation/git.txt b/Documentation/git.txt
index 5950332..8d7209b 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -188,6 +188,8 @@ link:git-pull-script.html[git-pull-script]::
link:git-commit-script.html[git-commit-script]::
Record changes to the repository.
+link:git-show-branches-script.html[git-show-branches-script]::
+ Show branches and their commits.
Ancilliary Commands
-------------------
diff --git a/Makefile b/Makefile
index 76f36cd..16ab0c7 100644
--- a/Makefile
+++ b/Makefile
@@ -71,6 +71,7 @@ SCRIPTS=git git-apply-patch-script git-merge-one-file-script git-prune-script \
SCRIPTS += git-count-objects-script
# SCRIPTS += git-send-email-script
SCRIPTS += git-revert-script
+SCRIPTS += git-show-branches-script
PROG= git-update-cache git-diff-files git-init-db git-write-tree \
git-read-tree git-commit-tree git-cat-file git-fsck-cache \
diff --git a/git-show-branches-script b/git-show-branches-script
new file mode 100755
index 0000000..263025c
--- /dev/null
+++ b/git-show-branches-script
@@ -0,0 +1,53 @@
+#!/bin/sh
+#
+# Show refs and their recent commits.
+#
+
+. git-sh-setup-script || die "Not a git repository"
+
+headref=`readlink $GIT_DIR/HEAD`
+case "$#" in
+0)
+ set x `cd $GIT_DIR/refs &&
+ find heads -type f -print |
+ sed -e 's|heads/||' |
+ sort`
+ shift ;;
+esac
+
+hh= in=
+for ref
+do
+ case "/$headref" in
+ */"$ref") H='*' ;;
+ *) H='!' ;;
+ esac
+ h=`git-rev-parse --verify "$ref^0"` || exit
+ l=`git-log-script --max-count=1 --pretty=oneline "$h" |
+ sed -e 's/^[^ ]* //'`
+ hh="$hh $h"
+ echo "$in$H [$ref] $l"
+ in="$in "
+done
+set x $hh
+shift
+
+git-rev-list --pretty=oneline "$@" |
+while read v l
+do
+ in=''
+ for h
+ do
+ b=`git-merge-base $h $v`
+ case "$b" in
+ $v) in="$in+" ;;
+ *) in="$in " ;;
+ esac
+ done
+
+ echo "$in $l"
+ case "$in" in
+ *' '*) ;;
+ *) break ;;
+ esac
+done