Hi Ævar,
On Fri, 2 Nov 2018, Ævar Arnfjörð Bjarmason wrote:
> Back when git was initially written the likes of "git-add", "git-init"
> etc. were installed in the user's $PATH. A few years later everything,
> with a few exceptions like git-upload-pack and git-receive-pack, was
> expected to be invoked as "git $cmd".
>
> Now something like a decade later we're still installing these old
> commands in gitexecdir. This is so someone with a shellscript that
> still targets e.g. "git-init" can add $(git --exec-path) to their
> $PATH and not have to change their script.
>
> Let's add an option to break this backwards compatibility. Now with
> NO_INSTALL_BUILTIN_EXECDIR_ALIASES=YesPlease there's only 3 programs
> in the bindir that are hardlinked to "git" (receive-pack,
> upload-archive & upload-pack), and 3 in the
> gitexecdir (git-remote-{ftp,ftps,https} linked to git-remote-http).
>
> There's no cross-directory links anymore, so the
> "NO_CROSS_DIRECTORY_HARDLINKS" flag becomes redundant under this new
> option.
>
> 1. https://public-inbox.org/git/[email protected]/
>
> Signed-off-by: Ævar Arnfjörð Bjarmason <[email protected]>
> ---
I like the idea.
With my suggested refactoring that avoids the non-DRY code, this patch
would also become much simpler (as would 2/5 -- 4/5).
However, I would not call these "aliases". That's just confusing. Maybe
NO_INSTALL_DASHED_BUILTINS would be better? It certainly would not have
confused me.
Ciao,
Dscho
> Makefile | 8 ++++++++
> install_programs | 36 +++++++++++++++++++++---------------
> 2 files changed, 29 insertions(+), 15 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index 07c8b74353..a849a7b6d1 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -346,6 +346,13 @@ all::
> # INSTALL_SYMLINKS if you'd prefer not to have the install procedure
> # fallack on hardlinking or copying if "ln -s" fails.
> #
> +# Define NO_INSTALL_BUILTIN_EXECDIR_ALIASES if you'd like to skip
> +# installing legacy such as "git-init" and "git-add" in the
> +# gitexecdir. Unless you're on a system where "which git-init" is
> +# expected to returns something set this. Users have been expected to
> +# use the likes of "git init" for ages now, these programs were only
> +# provided for legacy compatibility.
> +#
> # Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed
> # programs as a tar, where bin/ and libexec/ might be on different file
> systems.
> #
> @@ -2823,6 +2830,7 @@ endif
> --flag-no-install-hardlinks="$(NO_INSTALL_HARDLINKS)" \
>
> --flag-no-cross-directory-hardlinks="$(NO_CROSS_DIRECTORY_HARDLINKS)" \
>
> --flag-no-install-symlinks-fallback="$(NO_INSTALL_SYMLINKS_FALLBACK)" \
> +
> --flag-no-install-builtin-execdir-aliases="$(NO_INSTALL_BUILTIN_EXECDIR_ALIASES)"
> \
> --list-bindir-standalone="git$X $(filter
> $(install_bindir_programs),$(ALL_PROGRAMS))" \
> --list-bindir-git-dashed="$(filter
> $(install_bindir_programs),$(BUILT_INS))" \
> --list-execdir-git-dashed="$(BUILT_INS)" \
> diff --git a/install_programs b/install_programs
> index 51e08019dd..8d89cd9984 100755
> --- a/install_programs
> +++ b/install_programs
> @@ -33,6 +33,9 @@ do
> --flag-no-install-symlinks-fallback=*)
>
> NO_INSTALL_SYMLINKS_FALLBACK="${1#--flag-no-install-symlinks-fallback=}"
> ;;
> + --flag-no-install-builtin-execdir-aliases=*)
> +
> NO_INSTALL_BUILTIN_EXECDIR_ALIASES="${1#--flag-no-install-builtin-execdir-aliases=}"
> + ;;
> --list-bindir-standalone=*)
> list_bindir_standalone="${1#--list-bindir-standalone=}"
> ;;
> @@ -54,7 +57,7 @@ do
> shift
> done &&
>
> -if test "$bindir/" != "$execdir/"
> +if test "$bindir/" != "$execdir/" -a -z "$NO_INSTALL_BUILTIN_EXECDIR_ALIASES"
> then
> for p in $list_bindir_standalone; do
> $RM "$execdir/$p" &&
> @@ -87,20 +90,23 @@ do
> fi
> done &&
>
> -for p in $list_execdir_git_dashed; do
> - $RM "$execdir/$p" &&
> - if test -n "$INSTALL_SYMLINKS" -a -n "$NO_INSTALL_SYMLINKS_FALLBACK"
> - then
> - ln -s "$destdir_from_execdir/$bindir_relative/git$X"
> "$execdir/$p"
> - else
> - test -n "$INSTALL_SYMLINKS" &&
> - ln -s "$destdir_from_execdir/$bindir_relative/git$X"
> "$execdir/$p" ||
> - { test -z "$NO_INSTALL_HARDLINKS" &&
> - ln "$execdir/git$X" "$execdir/$p" ||
> - ln -s "git$X" "$execdir/$p" ||
> - cp "$execdir/git$X" "$execdir/$p" || exit; }
> - fi
> -done &&
> +if test -z "$NO_INSTALL_BUILTIN_EXECDIR_ALIASES"
> +then
> + for p in $list_execdir_git_dashed; do
> + $RM "$execdir/$p" &&
> + if test -n "$INSTALL_SYMLINKS" -a -n
> "$NO_INSTALL_SYMLINKS_FALLBACK"
> + then
> + ln -s "$destdir_from_execdir/$bindir_relative/git$X"
> "$execdir/$p"
> + else
> + test -n "$INSTALL_SYMLINKS" &&
> + ln -s "$destdir_from_execdir/$bindir_relative/git$X"
> "$execdir/$p" ||
> + { test -z "$NO_INSTALL_HARDLINKS" &&
> + ln "$execdir/git$X" "$execdir/$p" ||
> + ln -s "git$X" "$execdir/$p" ||
> + cp "$execdir/git$X" "$execdir/$p" || exit; }
> + fi
> + done
> +fi &&
>
> for p in $list_execdir_curl_aliases; do
> $RM "$execdir/$p" &&
> --
> 2.19.1.930.g4563a0d9d0
>
>
