Ted Pavlic <ted@xxxxxxxxxxxxx> wrote:
> If .git/HEAD is not readable, __git_ps1 does nothing.
>
> If --is-in-git-dir, __git_ps1 returns " (GIT_DIR!)" as a cautionary
> note. The previous behavior would show the branch name (and would
> optionally attempt to determine the dirtyState of the directory, which
> was impossible because a "git diff" was used).
>
> If --is-in-work-tree, __git_ps1 returns the branch name. Additionally,
> if showDirtyState is on, the dirty state is displayed.
>
> Signed-off-by: Ted Pavlic <ted@xxxxxxxxxxxxx>
Acked-by: Shawn O. Pearce <spearce@xxxxxxxxxxx>
> ---
> contrib/completion/git-completion.bash | 36 +++++++++++++++++++------------
> 1 files changed, 22 insertions(+), 14 deletions(-)
>
> diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
> index 7706170..c28d6be 100755
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -108,7 +108,9 @@ __git_ps1 ()
> fi
> if ! b="$(git symbolic-ref HEAD 2>/dev/null)"; then
> if ! b="$(git describe --exact-match HEAD 2>/dev/null)"; then
> - b="$(cut -c1-7 "$g/HEAD")..."
> + if [ -r "$g/HEAD" ]; then
> + b="$(cut -c1-7 "$g/HEAD")..."
> + fi
> fi
> fi
> fi
> @@ -116,23 +118,29 @@ __git_ps1 ()
> local w
> local i
>
> - if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ]; then
> - if [ "$(git config --bool bash.showDirtyState)" != "false" ]; then
> - git diff --no-ext-diff --ignore-submodules \
> - --quiet --exit-code || w="*"
> - if git rev-parse --quiet --verify HEAD >/dev/null; then
> - git diff-index --cached --quiet \
> - --ignore-submodules HEAD -- || i="+"
> - else
> - i="#"
> + if [ "true" = "$(git rev-parse --is-inside-git-dir 2>/dev/null)" ]; then
> + b="GIT_DIR!"
> + elif [ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]; then
> + if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ]; then
> + if [ "$(git config --bool bash.showDirtyState)" != "false" ]; then
> + git diff --no-ext-diff --ignore-submodules \
> + --quiet --exit-code || w="*"
> + if git rev-parse --quiet --verify HEAD >/dev/null; then
> + git diff-index --cached --quiet \
> + --ignore-submodules HEAD -- || i="+"
> + else
> + i="#"
> + fi
> fi
> fi
> fi
>
> - if [ -n "${1-}" ]; then
> - printf "$1" "${b##refs/heads/}$w$i$r"
> - else
> - printf " (%s)" "${b##refs/heads/}$w$i$r"
> + if [ -n "$b" ]; then
> + if [ -n "${1-}" ]; then
> + printf "$1" "${b##refs/heads/}$w$i$r"
> + else
> + printf " (%s)" "${b##refs/heads/}$w$i$r"
> + fi
> fi
> fi
> }
> --
> 1.6.1.2.390.gba743
>
--
Shawn.
--
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