From 187b0d80dfad2f51df580bffbbc1e7bc2103f6d4 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Sat, 19 May 2007 00:37:25 -0400 Subject: [PATCH] user-manual: finding commits referencing given file content Another amusing git exploration example brought up in irc. (Credit to aeruder for the complete solution.) Signed-off-by: "J. Bruce Fields" --- Documentation/user-manual.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index 1ab3d4b87..222171be3 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -921,6 +921,22 @@ echo "git diff --stat --summary -M v$last v$new > ../diffstat-$new" and then he just cut-and-pastes the output commands after verifying that they look OK. +Finding commits referencing a file with given content +----------------------------------------------------- + +Somebody hands you a copy of a file, and asks which commits modified a +file such that it contained the given content either before or after the +commit. You can find out with this: + +------------------------------------------------- +$ git log --raw -r --abbrev=40 --pretty=oneline -- filename | + grep -B 1 `git hash-object filename` +------------------------------------------------- + +Figuring out why this works is left as an exercise to the (advanced) +student. The gitlink:git-log[1], gitlink:git-diff-tree[1], and +gitlink:git-hash-object[1] man pages may prove helpful. + [[Developing-with-git]] Developing with git =================== -- 2.30.2