# 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
-die() {
- echo >&2 "$@"
- exit 1
+# Similarly for IFS
+unset IFS
+
+git_broken_path_fix () {
+ case ":$PATH:" in
+ *:$1:*) : ok ;;
+ *)
+ PATH=$(
+ SANE_TOOL_PATH="$1"
+ IFS=: path= sep=
+ set x $PATH
+ shift
+ for elem
+ do
+ case "$SANE_TOOL_PATH:$elem" in
+ (?*:/bin | ?*:/usr/bin)
+ path="$path$sep$SANE_TOOL_PATH"
+ sep=:
+ SANE_TOOL_PATH=
+ esac
+ path="$path$sep$elem"
+ sep=:
+ done
+ echo "$path"
+ )
+ ;;
+ esac
+}
+
+# @@BROKEN_PATH_FIX@@
+
+die () {
+ die_with_status 1 "$@"
+}
+
+die_with_status () {
+ status=$1
+ shift
+ echo >&2 "$*"
+ exit "$status"
+}
+
+GIT_QUIET=
+
+say () {
+ if test -z "$GIT_QUIET"
+ then
+ printf '%s\n' "$*"
+ fi
}
if test -n "$OPTIONS_SPEC"; then
fi
case "$1" in
- -h|--h|--he|--hel|--help)
+ -h)
echo "$LONG_USAGE"
exit
esac
}
git_editor() {
- : "${GIT_EDITOR:=$(git config core.editor)}"
- : "${GIT_EDITOR:=${VISUAL:-${EDITOR}}}"
- case "$GIT_EDITOR,$TERM" in
- ,dumb)
- echo >&2 "No editor specified in GIT_EDITOR, core.editor, VISUAL,"
- echo >&2 "or EDITOR. Tried to fall back to vi but terminal is dumb."
- echo >&2 "Please set one of these variables to an appropriate"
- echo >&2 "editor or run $0 with options that will not cause an"
- echo >&2 "editor to be invoked (e.g., -m or -F for git-commit)."
- exit 1
- ;;
- esac
- eval "${GIT_EDITOR:=vi}" '"$@"'
+ if test -z "${GIT_EDITOR:+set}"
+ then
+ GIT_EDITOR="$(git var GIT_EDITOR)" || return $?
+ fi
+
+ eval "$GIT_EDITOR" '"$@"'
+}
+
+git_pager() {
+ if test -t 1
+ then
+ GIT_PAGER=$(git var GIT_PAGER)
+ else
+ GIT_PAGER=cat
+ fi
+ : ${LESS=-FRSX}
+ export LESS
+
+ eval "$GIT_PAGER" '"$@"'
+}
+
+sane_grep () {
+ GREP_OPTIONS= LC_ALL=C grep "$@"
+}
+
+sane_egrep () {
+ GREP_OPTIONS= LC_ALL=C egrep "$@"
}
is_bare_repository () {
}
cd_to_toplevel () {
- cdup=$(git rev-parse --show-cdup)
- if test ! -z "$cdup"
+ cdup=$(git rev-parse --show-toplevel) &&
+ cd "$cdup" || {
+ echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
+ exit 1
+ }
+}
+
+require_work_tree_exists () {
+ if test "z$(git rev-parse --is-bare-repository)" != zfalse
then
- # The "-P" option says to follow "physical" directory
- # structure instead of following symbolic links. When cdup is
- # "../", this means following the ".." entry in the current
- # directory instead textually removing a symlink path element
- # from the PWD shell variable. The "-P" behavior is more
- # consistent with the C-style chdir used by most of Git.
- cd -P "$cdup" || {
- echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
- exit 1
- }
+ die "fatal: $0 cannot be used without a working tree."
fi
}
require_work_tree () {
- test $(git rev-parse --is-inside-work-tree) = true ||
+ test "$(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/'\''/'\''\'\'\''/g
- s/.*/GIT_AUTHOR_NAME='\''&'\''/p
-
- g
- s/^author [^<]* <\([^>]*\)> .*$/\1/
- s/'\''/'\''\'\'\''/g
- s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
-
- g
- s/^author [^<]* <[^>]*> \(.*\)$/\1/
- s/'\''/'\''\'\'\''/g
- s/.*/GIT_AUTHOR_DATE='\''&'\''/p
-
- q
- }
- '
encoding=$(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
+# another repository (e.g. when entering a submodule). See also the env
+# list in git_connect()
+clear_local_git_env() {
+ 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