> From: Norike Abe <[email protected]>
>
> Is there a command to compare all the changes between two given commits a
> file has suffered, in a given set of lines of code?
There are a number of Git commands to investigate problems like this,
including "git blame" and "git diff".
A tool that I use is "git-history", which is a script to extract all
of the versions of a file that are contained in the current branch.
Once you have all versions of a file, you can use regular Unix tools
to determine many things about the history of the file.
Dale
----------------------------------------------------------------------
#! /bin/bash
# Get the historical versions of a file.
# First argument is the path of the file in question. It is
# interpreted as GIT interprets path arguments.
# Historical versions of the file will be extracted as
# basename.yyyy-mm-ddThh:mm:ss
# in the current directory, where the time is when "git log" notes the
# file (which I think is the first occurrence of that file content).
# The time is shown in the current local timezone.
FILE="$1"
BASENAME="${FILE##*/}"
git log --pretty=tformat:"%H %ci" --date=local -- "$FILE" |
while read HASH DATE TIME ZONE
do
R=( $( git ls-tree --full-tree $HASH "$FILE" ) )
if [[ -n "$R" ]]
then
NAME="$BASENAME.${DATE}T${TIME}"
echo "Creating $NAME..."
git cat-file -p ${R[2]} >$NAME
fi
done
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