1#!/bin/sh 2# 3# This is included in commands that either have to be run from the toplevel 4# of the repository, or with GIT_DIR environment variable properly. 5# If the GIT_DIR does not look like the right correct git-repository, 6# it dies. 7 8# Having this variable in your environment would break scripts because 9# you would cause "cd" to be taken to unexpected places. If you 10# like CDPATH, define it for your interactive shell sessions without 11# exporting it. 12unset CDPATH 13 14git_broken_path_fix () { 15case":$PATH:"in 16*:$1:*) : ok ;; 17*) 18 PATH=$( 19 SANE_TOOL_PATH="$1" 20 IFS=: path= sep= 21set x $PATH 22shift 23for elem 24do 25case"$SANE_TOOL_PATH:$elem"in 26(?*:/bin | ?*:/usr/bin) 27 path="$path$sep$SANE_TOOL_PATH" 28 sep=: 29 SANE_TOOL_PATH= 30esac 31 path="$path$sep$elem" 32 sep=: 33done 34echo"$path" 35) 36;; 37esac 38} 39 40# @@BROKEN_PATH_FIX@@ 41 42die() { 43echo>&2"$@" 44exit1 45} 46 47GIT_QUIET= 48 49say () { 50iftest -z"$GIT_QUIET" 51then 52printf'%s\n'"$*" 53fi 54} 55 56iftest -n"$OPTIONS_SPEC";then 57 usage() { 58"$0"-h 59exit1 60} 61 62 parseopt_extra= 63[-n"$OPTIONS_KEEPDASHDASH"] && 64 parseopt_extra="--keep-dashdash" 65 66eval"$( 67 echo "$OPTIONS_SPEC" | 68 git rev-parse --parseopt$parseopt_extra-- "$@" || 69 echo exit $? 70 )" 71else 72 dashless=$(basename "$0" | sed -e 's/-/ /') 73 usage() { 74 die "Usage:$dashless$USAGE" 75} 76 77if[-z"$LONG_USAGE"] 78then 79 LONG_USAGE="Usage:$dashless$USAGE" 80else 81 LONG_USAGE="Usage:$dashless$USAGE 82 83$LONG_USAGE" 84fi 85 86case"$1"in 87-h|--h|--he|--hel|--help) 88echo"$LONG_USAGE" 89exit 90esac 91fi 92 93set_reflog_action() { 94if[-z"${GIT_REFLOG_ACTION:+set}"] 95then 96 GIT_REFLOG_ACTION="$*" 97export GIT_REFLOG_ACTION 98fi 99} 100 101git_editor() { 102iftest -z"${GIT_EDITOR:+set}" 103then 104 GIT_EDITOR="$(git var GIT_EDITOR)"||return $? 105fi 106 107eval"$GIT_EDITOR"'"$@"' 108} 109 110sane_grep () { 111 GREP_OPTIONS= LC_ALL=C grep"$@" 112} 113 114sane_egrep () { 115 GREP_OPTIONS= LC_ALL=C egrep"$@" 116} 117 118is_bare_repository () { 119 git rev-parse --is-bare-repository 120} 121 122cd_to_toplevel () { 123 cdup=$(git rev-parse --show-toplevel)&& 124cd"$cdup"|| { 125echo>&2"Cannot chdir to$cdup, the toplevel of the working tree" 126exit1 127} 128} 129 130require_work_tree () { 131test$(git rev-parse --is-inside-work-tree)= true || 132 die "fatal:$0cannot be used without a working tree." 133} 134 135get_author_ident_from_commit () { 136 pick_author_script=' 137 /^author /{ 138 s/'\''/'\''\\'\'\''/g 139 h 140 s/^author \([^<]*\) <[^>]*> .*$/\1/ 141 s/'\''/'\''\'\'\''/g 142 s/.*/GIT_AUTHOR_NAME='\''&'\''/p 143 144 g 145 s/^author [^<]* <\([^>]*\)> .*$/\1/ 146 s/'\''/'\''\'\'\''/g 147 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p 148 149 g 150 s/^author [^<]* <[^>]*> \(.*\)$/\1/ 151 s/'\''/'\''\'\'\''/g 152 s/.*/GIT_AUTHOR_DATE='\''&'\''/p 153 154 q 155} 156' 157 encoding=$(git config i18n.commitencoding || echo UTF-8) 158 git show -s --pretty=raw --encoding="$encoding" "$1" -- | 159 LANG=C LC_ALL=C sed -ne "$pick_author_script" 160} 161 162# Clear repo-local GIT_* environment variables. Useful when switching to 163# another repository (e.g. when entering a submodule). See also the env 164# list in git_connect() 165clear_local_git_env() { 166 unset$(git rev-parse --local-env-vars) 167} 168 169# Make sure we are in a valid repository of a vintage we understand, 170# if we require to be in a git repository. 171if test -z "$NONGIT_OK" 172then 173 GIT_DIR=$(git rev-parse --git-dir)|| exit 174 if [ -z "$SUBDIRECTORY_OK" ] 175 then 176 test -z "$(git rev-parse --show-cdup)" || { 177 exit=$? 178 echo >&2 "You need to run this command from the toplevel of the working tree." 179 exit$exit 180 } 181 fi 182 test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd)|| { 183 echo >&2 "Unable to determine absolute path of git directory" 184 exit 1 185 } 186 :${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"} 187fi 188 189# Fix some commands on Windows 190case$(uname -s)in 191*MINGW*) 192 # Windows has its own (incompatible) sort and find 193 sort () { 194 /usr/bin/sort "$@" 195 } 196 find () { 197 /usr/bin/find "$@" 198 } 199 ;; 200esac