# you would cause "cd" to be taken to unexpected places. If you
# like CDPATH, define it for your interactive shell sessions without
# exporting it.
+# But we protect ourselves from such a user mistake nevertheless.
unset CDPATH
+# Similarly for IFS
+unset IFS
+
git_broken_path_fix () {
case ":$PATH:" in
*:$1:*) : ok ;;
# @@BROKEN_PATH_FIX@@
-die() {
- echo >&2 "$@"
- exit 1
+die () {
+ die_with_status 1 "$@"
+}
+
+die_with_status () {
+ status=$1
+ shift
+ echo >&2 "$*"
+ exit "$status"
}
GIT_QUIET=
fi
case "$1" in
- -h|--h|--he|--hel|--help)
+ -h)
echo "$LONG_USAGE"
exit
esac
}
}
+require_work_tree_exists () {
+ if test "z$(git rev-parse --is-bare-repository)" != zfalse
+ then
+ die "fatal: $0 cannot be used without a working tree."
+ fi
+}
+
require_work_tree () {
test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true ||
die "fatal: $0 cannot be used without a working tree."
}
+require_clean_work_tree () {
+ git rev-parse --verify HEAD >/dev/null || exit 1
+ git update-index -q --ignore-submodules --refresh
+ err=0
+
+ if ! git diff-files --quiet --ignore-submodules
+ then
+ echo >&2 "Cannot $1: You have unstaged changes."
+ err=1
+ fi
+
+ if ! git diff-index --cached --quiet --ignore-submodules HEAD --
+ then
+ if [ $err = 0 ]
+ then
+ echo >&2 "Cannot $1: Your index contains uncommitted changes."
+ else
+ echo >&2 "Additionally, your index contains uncommitted changes."
+ fi
+ err=1
+ fi
+
+ if [ $err = 1 ]
+ then
+ test -n "$2" && echo >&2 "$2"
+ exit 1
+ fi
+}
+
+# Generate a sed script to parse identities from a commit.
+#
+# Reads the commit from stdin, which should be in raw format (e.g., from
+# cat-file or "--pretty=raw").
+#
+# The first argument specifies the ident line to parse (e.g., "author"), and
+# the second specifies the environment variable to put it in (e.g., "AUTHOR"
+# for "GIT_AUTHOR_*"). Multiple pairs can be given to parse author and
+# committer.
+pick_ident_script () {
+ while test $# -gt 0
+ do
+ lid=$1; shift
+ uid=$1; shift
+ printf '%s' "
+ /^$lid /{
+ s/'/'\\\\''/g
+ h
+ s/^$lid "'\([^<]*\) <[^>]*> .*$/\1/'"
+ s/.*/GIT_${uid}_NAME='&'/p
+
+ g
+ s/^$lid "'[^<]* <\([^>]*\)> .*$/\1/'"
+ s/.*/GIT_${uid}_EMAIL='&'/p
+
+ g
+ s/^$lid "'[^<]* <[^>]*> \(.*\)$/@\1/'"
+ s/.*/GIT_${uid}_DATE='&'/p
+ }
+ "
+ done
+ echo '/^$/q'
+}
+
+# Create a pick-script as above and feed it to sed. Stdout is suitable for
+# feeding to eval.
+parse_ident_from_commit () {
+ LANG=C LC_ALL=C sed -ne "$(pick_ident_script "$@")"
+}
+
+# Parse the author from a commit given as an argument. Stdout is suitable for
+# feeding to eval to set the usual GIT_* ident variables.
get_author_ident_from_commit () {
- pick_author_script='
- /^author /{
- s/'\''/'\''\\'\'\''/g
- h
- s/^author \([^<]*\) <[^>]*> .*$/\1/
- s/.*/GIT_AUTHOR_NAME='\''&'\''/p
-
- g
- s/^author [^<]* <\([^>]*\)> .*$/\1/
- s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
-
- g
- s/^author [^<]* <[^>]*> \(.*\)$/\1/
- s/.*/GIT_AUTHOR_DATE='\''&'\''/p
-
- q
- }
- '
encoding=$(git config i18n.commitencoding || echo UTF-8)
git show -s --pretty=raw --encoding="$encoding" "$1" -- |
- LANG=C LC_ALL=C sed -ne "$pick_author_script"
+ parse_ident_from_commit author AUTHOR
}
# Clear repo-local GIT_* environment variables. Useful when switching to
unset $(git rev-parse --local-env-vars)
}
+
+# Platform specific tweaks to work around some commands
+case $(uname -s) in
+*MINGW*)
+ # Windows has its own (incompatible) sort and find
+ sort () {
+ /usr/bin/sort "$@"
+ }
+ find () {
+ /usr/bin/find "$@"
+ }
+ # git sees Windows-style pwd
+ pwd () {
+ builtin pwd -W
+ }
+ is_absolute_path () {
+ case "$1" in
+ [/\\]* | [A-Za-z]:*)
+ return 0 ;;
+ esac
+ return 1
+ }
+ ;;
+*)
+ is_absolute_path () {
+ case "$1" in
+ /*)
+ return 0 ;;
+ esac
+ return 1
+ }
+esac
+
# Make sure we are in a valid repository of a vintage we understand,
# if we require to be in a git repository.
if test -z "$NONGIT_OK"
}
: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
fi
-
-# Fix some commands on Windows
-case $(uname -s) in
-*MINGW*)
- # Windows has its own (incompatible) sort and find
- sort () {
- /usr/bin/sort "$@"
- }
- find () {
- /usr/bin/find "$@"
- }
- ;;
-esac