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-rw-r--r--contrib/completion/git-completion.bash20
-rw-r--r--contrib/completion/git-completion.zsh1
-rw-r--r--contrib/completion/git-prompt.sh77
3 files changed, 73 insertions, 25 deletions
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 9525343..2c59a76 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1221,14 +1221,20 @@ _git_difftool ()
__git_complete_revlist_file
}
+__git_fetch_recurse_submodules="yes on-demand no"
+
__git_fetch_options="
--quiet --verbose --append --upload-pack --force --keep --depth=
- --tags --no-tags --all --prune --dry-run
+ --tags --no-tags --all --prune --dry-run --recurse-submodules=
"
_git_fetch ()
{
case "$cur" in
+ --recurse-submodules=*)
+ __gitcomp "$__git_fetch_recurse_submodules" "" "${cur##--recurse-submodules=}"
+ return
+ ;;
--*)
__gitcomp "$__git_fetch_options"
return
@@ -1583,6 +1589,10 @@ _git_pull ()
__git_complete_strategy && return
case "$cur" in
+ --recurse-submodules=*)
+ __gitcomp "$__git_fetch_recurse_submodules" "" "${cur##--recurse-submodules=}"
+ return
+ ;;
--*)
__gitcomp "
--rebase --no-rebase
@@ -1595,6 +1605,8 @@ _git_pull ()
__git_complete_remote_or_refspec
}
+__git_push_recurse_submodules="check on-demand"
+
_git_push ()
{
case "$prev" in
@@ -1607,10 +1619,15 @@ _git_push ()
__gitcomp_nl "$(__git_remotes)" "" "${cur##--repo=}"
return
;;
+ --recurse-submodules=*)
+ __gitcomp "$__git_push_recurse_submodules" "" "${cur##--recurse-submodules=}"
+ return
+ ;;
--*)
__gitcomp "
--all --mirror --tags --dry-run --force --verbose
--receive-pack= --repo= --set-upstream
+ --recurse-submodules=
"
return
;;
@@ -2547,6 +2564,7 @@ __git_main ()
local expansion=$(__git_aliased_command "$command")
if [ -n "$expansion" ]; then
+ words[1]=$expansion
completion_func="_git_${expansion//-/_}"
declare -f $completion_func >/dev/null && $completion_func
fi
diff --git a/contrib/completion/git-completion.zsh b/contrib/completion/git-completion.zsh
index 6b77968..9f6f0fa 100644
--- a/contrib/completion/git-completion.zsh
+++ b/contrib/completion/git-completion.zsh
@@ -104,6 +104,7 @@ __git_zsh_bash_func ()
local expansion=$(__git_aliased_command "$command")
if [ -n "$expansion" ]; then
+ words[1]=$expansion
completion_func="_git_${expansion//-/_}"
declare -f $completion_func >/dev/null && $completion_func
fi
diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index bd7ff29..9d684b1 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -209,9 +209,7 @@ __git_ps1_show_upstream ()
if [[ -n "$count" && -n "$name" ]]; then
__git_ps1_upstream_name=$(git rev-parse \
--abbrev-ref "$upstream" 2>/dev/null)
- if [ $pcmode = yes ]; then
- # see the comments around the
- # __git_ps1_branch_name variable below
+ if [ $pcmode = yes ] && [ $ps1_expanded = yes ]; then
p="$p \${__git_ps1_upstream_name}"
else
p="$p ${__git_ps1_upstream_name}"
@@ -270,6 +268,13 @@ __git_ps1_colorize_gitstring ()
r="$c_clear$r"
}
+__git_eread ()
+{
+ f="$1"
+ shift
+ test -r "$f" && read "$@" <"$f"
+}
+
# __git_ps1 accepts 0 or 1 arguments (i.e., format string)
# when called from PS1 using command substitution
# in this mode it prints text to add to bash PS1 prompt (includes branch name)
@@ -301,6 +306,43 @@ __git_ps1 ()
;;
esac
+ # ps1_expanded: This variable is set to 'yes' if the shell
+ # subjects the value of PS1 to parameter expansion:
+ #
+ # * bash does unless the promptvars option is disabled
+ # * zsh does not unless the PROMPT_SUBST option is set
+ # * POSIX shells always do
+ #
+ # If the shell would expand the contents of PS1 when drawing
+ # the prompt, a raw ref name must not be included in PS1.
+ # This protects the user from arbitrary code execution via
+ # specially crafted ref names. For example, a ref named
+ # 'refs/heads/$(IFS=_;cmd=sudo_rm_-rf_/;$cmd)' might cause the
+ # shell to execute 'sudo rm -rf /' when the prompt is drawn.
+ #
+ # Instead, the ref name should be placed in a separate global
+ # variable (in the __git_ps1_* namespace to avoid colliding
+ # with the user's environment) and that variable should be
+ # referenced from PS1. For example:
+ #
+ # __git_ps1_foo=$(do_something_to_get_ref_name)
+ # PS1="...stuff...\${__git_ps1_foo}...stuff..."
+ #
+ # If the shell does not expand the contents of PS1, the raw
+ # ref name must be included in PS1.
+ #
+ # The value of this variable is only relevant when in pcmode.
+ #
+ # Assume that the shell follows the POSIX specification and
+ # expands PS1 unless determined otherwise. (This is more
+ # likely to be correct if the user has a non-bash, non-zsh
+ # shell and safer than the alternative if the assumption is
+ # incorrect.)
+ #
+ local ps1_expanded=yes
+ [ -z "$ZSH_VERSION" ] || [[ -o PROMPT_SUBST ]] || ps1_expanded=no
+ [ -z "$BASH_VERSION" ] || shopt -q promptvars || ps1_expanded=no
+
local repo_info rev_parse_exit_code
repo_info="$(git rev-parse --git-dir --is-inside-git-dir \
--is-bare-repository --is-inside-work-tree \
@@ -332,9 +374,9 @@ __git_ps1 ()
local step=""
local total=""
if [ -d "$g/rebase-merge" ]; then
- read b 2>/dev/null <"$g/rebase-merge/head-name"
- read step 2>/dev/null <"$g/rebase-merge/msgnum"
- read total 2>/dev/null <"$g/rebase-merge/end"
+ __git_eread "$g/rebase-merge/head-name" b
+ __git_eread "$g/rebase-merge/msgnum" step
+ __git_eread "$g/rebase-merge/end" total
if [ -f "$g/rebase-merge/interactive" ]; then
r="|REBASE-i"
else
@@ -342,10 +384,10 @@ __git_ps1 ()
fi
else
if [ -d "$g/rebase-apply" ]; then
- read step 2>/dev/null <"$g/rebase-apply/next"
- read total 2>/dev/null <"$g/rebase-apply/last"
+ __git_eread "$g/rebase-apply/next" step
+ __git_eread "$g/rebase-apply/last" total
if [ -f "$g/rebase-apply/rebasing" ]; then
- read b 2>/dev/null <"$g/rebase-apply/head-name"
+ __git_eread "$g/rebase-apply/head-name" b
r="|REBASE"
elif [ -f "$g/rebase-apply/applying" ]; then
r="|AM"
@@ -369,7 +411,7 @@ __git_ps1 ()
b="$(git symbolic-ref HEAD 2>/dev/null)"
else
local head=""
- if ! read head 2>/dev/null <"$g/HEAD"; then
+ if ! __git_eread "$g/HEAD" head; then
if [ $pcmode = yes ]; then
PS1="$ps1pc_start$ps1pc_end"
fi
@@ -450,21 +492,8 @@ __git_ps1 ()
fi
b=${b##refs/heads/}
- if [ $pcmode = yes ]; then
- # In pcmode (and only pcmode) the contents of
- # $gitstring are subject to expansion by the shell.
- # Avoid putting the raw ref name in the prompt to
- # protect the user from arbitrary code execution via
- # specially crafted ref names (e.g., a ref named
- # '$(IFS=_;cmd=sudo_rm_-rf_/;$cmd)' would execute
- # 'sudo rm -rf /' when the prompt is drawn). Instead,
- # put the ref name in a new global variable (in the
- # __git_ps1_* namespace to avoid colliding with the
- # user's environment) and reference that variable from
- # PS1.
+ if [ $pcmode = yes ] && [ $ps1_expanded = yes ]; then
__git_ps1_branch_name=$b
- # note that the $ is escaped -- the variable will be
- # expanded later (when it's time to draw the prompt)
b="\${__git_ps1_branch_name}"
fi