.git/hooks/prepare-commit-msg.sample

#!/bin/sh
#
# An example hook script to prepare the commit log message.
# Called by "git commit" with the name of the file that has the
# commit message, followed by the description of the commit
# message's source.  The hook's purpose is to edit the commit
# message file.  If the hook fails with a non-zero status,
# the commit is aborted.
#
# To enable this hook, rename this file to "prepare-commit-msg".

# This hook includes three examples.  The first comments out the
# "Conflicts:" part of a merge commit.
#
# The second includes the output of "git diff --name-status -r"
# into the message, just before the "git status" output.  It is
# commented because it doesn't cope with --amend or with squashed
# commits.
#
# The third example adds a Signed-off-by line to the message, that can
# still be edited.  This is rarely a good idea.

case "$2,$3" in
  merge,)
    /usr/bin/perl -i.bak -ne 's/^/# /, s/^# #/#/ if /^Conflicts/ .. /#/; print' "$1" ;;

# ,|template,)
#   /usr/bin/perl -i.bak -pe '
#      print "\n" . `git diff --cached --name-status -r`
#        if /^#/ && $first++ == 0' "$1" ;;

  *) ;;
esac

# SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p')
# grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
1	#!/bin/sh
2	#
3	# An example hook script to prepare the commit log message.
4	# Called by "git commit" with the name of the file that has the
5	# commit message, followed by the description of the commit
6	# message's source. The hook's purpose is to edit the commit
7	# message file. If the hook fails with a non-zero status,
8	# the commit is aborted.
9	#
10	# To enable this hook, rename this file to "prepare-commit-msg".
11
12	# This hook includes three examples. The first comments out the
13	# "Conflicts:" part of a merge commit.
14	#
15	# The second includes the output of "git diff --name-status -r"
16	# into the message, just before the "git status" output. It is
17	# commented because it doesn't cope with --amend or with squashed
18	# commits.
19	#
20	# The third example adds a Signed-off-by line to the message, that can
21	# still be edited. This is rarely a good idea.
22
23	case "$2,$3" in
24	merge,)
25	/usr/bin/perl -i.bak -ne 's/^/# /, s/^# #/#/ if /^Conflicts/ .. /#/; print' "$1" ;;
26
27	# ,\|template,)
28	# /usr/bin/perl -i.bak -pe '
29	# print "\n" . `git diff --cached --name-status -r`
30	# if /^#/ && $first++ == 0' "$1" ;;
31
32	*) ;;
33	esac
34
35	# SOB=$(git var GIT_AUTHOR_IDENT \| sed -n 's/^\(.>\).$/Signed-off-by: \1/p')
36	# grep -qs "^$SOB" "$1" \|\| echo "$SOB" >> "$1"