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Diffstat (limited to 'githooks/commit-msg')
| -rwxr-xr-x | githooks/commit-msg | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/githooks/commit-msg b/githooks/commit-msg new file mode 100755 index 0000000..bf3ef2f --- /dev/null +++ b/githooks/commit-msg @@ -0,0 +1,136 @@ +#!/bin/zsh + +################## +# License Notice # +################## +# +# This githook script consists of two parts: +# +# * get current Git branch, and +# * edit commit message. +# +# The first part is borrowed from Z shell. Follow the license described below. +# The second part is written by me, licensed under Public Domain. + + +########################## +# Get current Git branch # +########################## +# +# Original: +# https://github.com/zsh-users/zsh/blob/5c60ec46ec087e7e58c8fc00c6821060e8caecb8/Functions/VCS_Info/Backends/VCS_INFO_get_data_git +# +# File copyright: +# git support by: Frank Terbeck <ft@bewatermyfriend.org> +# Distributed under the same BSD-ish license as zsh itself. +# +# Zsh License: +# https://github.com/zsh-users/zsh/blob/5c60ec46ec087e7e58c8fc00c6821060e8caecb8/LICENCE +# +# ------------------------------------------------------------------------------ +# Unless otherwise noted in the header of specific files, files in this +# distribution have the licence shown below. +# +# However, note that certain shell functions are licensed under versions +# of the GNU General Public Licence. Anyone distributing the shell as a +# binary including those files needs to take account of this. Search +# shell functions for "Copyright" for specific copyright information. +# None of the core functions are affected by this, so those files may +# simply be omitted. +# +# -- +# +# The Z Shell is copyright (c) 1992-2017 Paul Falstad, Richard Coleman, +# Zoltán Hidvégi, Andrew Main, Peter Stephenson, Sven Wischnowsky, and +# others. All rights reserved. Individual authors, whether or not +# specifically named, retain copyright in all changes; in what follows, they +# are referred to as `the Zsh Development Group'. This is for convenience +# only and this body has no legal status. The Z shell is distributed under +# the following licence; any provisions made in individual files take +# precedence. +# +# Permission is hereby granted, without written agreement and without +# licence or royalty fees, to use, copy, modify, and distribute this +# software and to distribute modified versions of this software for any +# purpose, provided that the above copyright notice and the following +# two paragraphs appear in all copies of this software. +# +# In no event shall the Zsh Development Group be liable to any party for +# direct, indirect, special, incidental, or consequential damages arising out +# of the use of this software and its documentation, even if the Zsh +# Development Group have been advised of the possibility of such damage. +# +# The Zsh Development Group specifically disclaim any warranties, including, +# but not limited to, the implied warranties of merchantability and fitness +# for a particular purpose. The software provided hereunder is on an "as is" +# basis, and the Zsh Development Group have no obligation to provide +# maintenance, support, updates, enhancements, or modifications. +# ------------------------------------------------------------------------------ + +setopt localoptions extendedglob NO_shwordsplit + +local gitdir=.git +local gitbranch +local gitsymref="git symbolic-ref HEAD" + +local tmp actiondir +actiondir='' +for tmp in "${gitdir}/rebase-apply" \ + "${gitdir}/rebase"; do + if [[ -d ${tmp} ]]; then + actiondir=${tmp} + break + fi +done +if [[ -n ${actiondir} ]] ; then + gitbranch="$(${(z)gitsymref} 2> /dev/null)" + [[ -z ${gitbranch} ]] && [[ -r ${actiondir}/head-name ]] \ + && gitbranch="$(< ${actiondir}/head-name)" + [[ -z ${gitbranch} || ${gitbranch} == 'detached HEAD' ]] && [[ -r ${actiondir}/onto ]] \ + && gitbranch="$(< ${actiondir}/onto)" + +elif [[ -f "${gitdir}/MERGE_HEAD" ]] ; then + gitbranch="$(${(z)gitsymref} 2> /dev/null)" + [[ -z ${gitbranch} ]] && gitbranch="$(< ${gitdir}/ORIG_HEAD)" + +elif [[ -d "${gitdir}/rebase-merge" ]] ; then + gitbranch="$(< ${gitdir}/rebase-merge/head-name)" + if [[ $gitbranch == 'detached HEAD' ]]; then + # get a sha1 + gitbranch="$(< ${gitdir}/rebase-merge/orig-head)" + fi + +elif gitbranch="$(${(z)gitsymref} 2> /dev/null)" ; then +elif gitbranch="refs/tags/$(git describe --all --exact-match HEAD 2>/dev/null)" ; then +elif gitbranch="$(git describe --contains HEAD 2>/dev/null)" ; then +## Commented out because we don't know of a case in which 'describe --contains' fails and 'name-rev --tags' succeeds. +#elif gitbranch="$(git name-rev --name-only --no-undefined --tags HEAD 2>/dev/null)" ; then +elif gitbranch="$(git name-rev --name-only --no-undefined --always HEAD 2>/dev/null)" ; then +fi + +if [[ -z ${gitbranch} ]] ; then + gitbranch="${${"$(< $gitdir/HEAD)"}[1,7]}..." +fi + +gitbranch="${gitbranch##refs/[^/]##/}" + + +####################### +# Edit commit message # +####################### + +if [[ -z ${gitbranch} ]]; then + # Failed to get Git branch. Leave the commit message as it is. + return 0 +fi + +# Extract issue number from branch name. +local issue_number="${gitbranch##feature/}" +if [[ -z ${issue_number} ]]; then + # Failed to extract. Leave the commit message as it is. + return 0 +fi + +# Substitute '###' with '#NNNNN', where 'NNNNN' is the issue number. +# '$1' is passed by Git, the file name that holds commit message. +sed -i '' -e "s/###/#${issue_number}/g" $1 |