From: Bruno Haible Date: Sun, 1 Sep 2019 15:34:03 +0000 (+0200) Subject: gitsub.sh: Add support for shallow-cloning of subdirectories. X-Git-Tag: v1.0~4679 X-Git-Url: https://gitweb.git.savannah.gnu.org/gitweb/?a=commitdiff_plain;h=231b2a884fe695a5bc221e545440210c94f44eea;p=gnulib.git gitsub.sh: Add support for shallow-cloning of subdirectories. * top/gitsub.sh (func_usage): Document allowed git options with 'git pull'. (func_pull): Accept GIT_OPTIONS argument. (pull): Parse git options before complaining about too many arguments. Pass the git options to func_pull. --- diff --git a/ChangeLog b/ChangeLog index 2c6939b925..fbf95966d5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2019-09-01 Bruno Haible + + gitsub.sh: Add support for shallow-cloning of subdirectories. + * top/gitsub.sh (func_usage): Document allowed git options with + 'git pull'. + (func_pull): Accept GIT_OPTIONS argument. + (pull): Parse git options before complaining about too many arguments. + Pass the git options to func_pull. + 2019-08-29 Bruno Haible lock: Fix cross-compilation guesses. diff --git a/top/gitsub.sh b/top/gitsub.sh index 9665198068..4df47fd5a8 100755 --- a/top/gitsub.sh +++ b/top/gitsub.sh @@ -95,13 +95,17 @@ Usage: gitsub.sh pull [SUBDIR] Operations: -gitsub.sh pull [SUBDIR] +gitsub.sh pull [GIT_OPTIONS] [SUBDIR] You should perform this operation after 'git clone ...' and after every 'git pull'. It brings your checkout in sync with what the other developers of your package have committed and pushed. If an environment variable _SRCDIR is set, with a non-empty value, nothing is done for this SUBDIR. + Supported GIT_OPTIONS (for expert git users) are: + --reference + --depth + --recursive If no SUBDIR is specified, the operation applies to all dependencies. gitsub.sh upgrade [SUBDIR] @@ -201,7 +205,8 @@ case "$1" in echo "Try 'gitsub.sh --help' for more information." 1>&2 exit 1 ;; esac -if test $# = 2 && test $mode != checkout || test $# -gt 2; then +if { test $mode = upgrade && test $# -gt 1; } \ + || { test $mode = checkout && test $# -gt 2; }; then echo "gitsub.sh: too many arguments in '$mode' mode" 1>&2 echo "Try 'gitsub.sh --help' for more information." 1>&2 exit 1 @@ -335,7 +340,7 @@ func_cleanup_current_git_clone () func_fatal_error "git clone failed" } -# func_pull SUBDIR +# func_pull SUBDIR GIT_OPTIONS # Implements the 'pull' operation. func_pull () { @@ -350,7 +355,7 @@ func_pull () else # The subdir does not yet exist. Create a plain checkout. trap func_cleanup_current_git_clone 1 2 13 15 - git clone "$url" "$path" || func_cleanup_current_git_clone + git clone $2 "$url" "$path" || func_cleanup_current_git_clone trap - 1 2 13 15 fi ;; @@ -359,7 +364,7 @@ func_pull () # It's a submodule. if test -n "$needs_init"; then # Create a submodule checkout. - git submodule init -- "$path" && git submodule update -- "$path" || func_fatal_error "git operation failed" + git submodule init -- "$path" && git submodule update $2 -- "$path" || func_fatal_error "git operation failed" else # See https://stackoverflow.com/questions/1030169/easy-way-to-pull-latest-of-all-git-submodules # https://stackoverflow.com/questions/4611512/is-there-a-way-to-make-git-pull-automatically-update-submodules @@ -428,9 +433,30 @@ func_checkout () case "$mode" in pull ) + git_options="" + while test $# -gt 0; do + case "$1" in + --reference=* | --depth=* | --recursive) + git_options="$git_options $1" + shift + ;; + --reference | --depth) + git_options="$git_options $1 $2" + shift; shift + ;; + *) + break + ;; + esac + done + if test $# -gt 1; then + echo "gitsub.sh: too many arguments in '$mode' mode" 1>&2 + echo "Try 'gitsub.sh --help' for more information." 1>&2 + exit 1 + fi if test $# = 0; then for sub in $subcheckout_names $submodule_names; do - func_pull "$sub" + func_pull "$sub" "$git_options" done else valid=false @@ -440,7 +466,7 @@ case "$mode" in fi done if $valid; then - func_pull "$1" + func_pull "$1" "$git_options" else func_fatal_error "Subdir '$1' is not configured as a subcheckout or a submodule in .gitmodules" fi