From 629d9f785fecb964245dac52b422aec0bd00278e Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Sun, 13 May 2007 22:58:06 -0400 Subject: [PATCH] user-manual: listing commits reachable from some refs not others This is just an amusing example raised by someone in irc. Signed-off-by: "J. Bruce Fields" --- Documentation/user-manual.txt | 48 +++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index 773ed3664..735fea162 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -830,6 +830,54 @@ available Which shows that e05db0fd is reachable from itself, from v1.5.0-rc1, and from v1.5.0-rc2, but not from v1.5.0-rc0. +[[showing-commits-unique-to-a-branch]] +Showing commits unique to a given branch +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Suppose you would like to see all the commits reachable from the branch +head named "master" but not from any other head in your repository. + +We can list all the heads in this repository with +gitlink:git-show-ref[1]: + +------------------------------------------------- +$ git show-ref --heads +bf62196b5e363d73353a9dcf094c59595f3153b7 refs/heads/core-tutorial +db768d5504c1bb46f63ee9d6e1772bd047e05bf9 refs/heads/maint +a07157ac624b2524a059a3414e99f6f44bebc1e7 refs/heads/master +24dbc180ea14dc1aebe09f14c8ecf32010690627 refs/heads/tutorial-2 +1e87486ae06626c2f31eaa63d26fc0fd646c8af2 refs/heads/tutorial-fixes +------------------------------------------------- + +We can get just the branch-head names, and remove "master", with +the help of the standard utilities cut and grep: + +------------------------------------------------- +$ git show-ref --heads | cut -d' ' -f2 | grep -v '^refs/heads/master' +refs/heads/core-tutorial +refs/heads/maint +refs/heads/tutorial-2 +refs/heads/tutorial-fixes +------------------------------------------------- + +And then we can ask to see all the commits reachable from master +but not from these other heads: + +------------------------------------------------- +$ gitk master --not $( git show-ref --heads | cut -d' ' -f2 | + grep -v '^refs/heads/master' ) +------------------------------------------------- + +Obviously, endless variations are possible; for example, to see all +commits reachable from some head but not from any tag in the repository: + +------------------------------------------------- +$ gitk ($ git show-ref --heads ) --not $( git show-ref --tags ) +------------------------------------------------- + +(See gitlink:git-rev-parse[1] for explanations of commit-selecting +syntax such as `--not`.) + [[making-a-release]] Creating a changelog and tarball for a software release ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- 2.30.2