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please.sh
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#!/bin/sh
# This script is meant to help maintain Git for Windows. It automates large
# parts of the release engineering.
#
# The major trick is to be able to update and build 32-bit as well as 64-bit
# packages. This is particularly problematic when trying to update files that
# are in use, such as msys-2.0.dll or bash.exe. To that end, this script is
# intended to run from a *separate* Bash, such as Git Bash.
#
# Common workflows:
#
# 1) release a new Git version
#
# <make sure that Git for Windows' 'master' reflects the new version>
# ./please.sh sync
# ./please.sh finalize release-notes
# ./please.sh tag_git
# ./please.sh build git
# ./please.sh install git
# ./please.sh test_git 64
# ./please.sh upload git
# ./please.sh release
# ./please.sh publish
#
# 2) release a new Pacman package, e.g. git-extra or msys2-runtime
#
# ./please.sh sync
# <make sure that the 'master' branch reflects the new version>
# ./please.sh build git-extra
# ./please.sh install git-extra
# <verify that everything's alright>
# ./please.sh upload git-extra
# Note: functions whose arguments are documented on the function name's own
# line are actually subcommands, and running this script without any argument
# will list all subcommands.
die () {
printf "$@" >&2
exit 1
}
# Never allow the SDKs to change directory to $HOME
export CHERE_INVOKING=1
# Never allow ORIGINAL_PATH to mess up our PATH
unset ORIGINAL_PATH
sdk_path () { # <bitness>
result="$(git config windows.sdk"$1".path)" && test -n "$result" || {
result="C:/git-sdk-$1" && test -e "$result" ||
die "%s\n\n\t%s\n%s\n" \
"No $1-bit Git for Windows SDK found at location:" \
"C:/git-sdk-$1" \
"Config variable to override: windows.sdk$1.path"
}
echo "$result"
}
sdk64="$(sdk_path 64)"
sdk32="$(sdk_path 32)"
in_use () { # <sdk> <path>
test -n "$(case "$1" in
"$sdk32") "$1/mingw32/bin/WhoUses.exe" -m "$1$2";;
*) "$1/mingw64/bin/WhoUses.exe" -m "$1$2";;
esac | grep '^[^-P]')"
}
# require_not_in_use <sdk> <path>
require_not_in_use () {
! in_use "$@" ||
die "%s: in use\n" "$1/$2"
}
independent_shell=
is_independent_shell () { #
test -n "$independent_shell" || {
normalized64="$(cygpath -w "$sdk64")"
normalized32="$(cygpath -w "$sdk32")"
case "$(cygpath -w "$(which sh.exe)")" in
"$normalized64\\"*|"$normalized32\\"*)
independent_shell=f
;;
*)
independent_shell=t
;;
esac
}
test t = "$independent_shell"
}
info () { #
is_independent_shell && warning= ||
warning="WARNING: Current shell is not independent"
printf "%s\n%s\n%s" \
"Git for Windows 64-bit SDK: $sdk64" \
"Git for Windows 32-bit SDK: $sdk32" \
"$warning"
}
sync () { # [--force]
force=
y_opt=y
while case "$1" in
--force)
force=--force
y_opt=yy
;;
-*) die "Unknown option: %s\n" "$1";;
*) break;;
esac; do shift; done
test $# = 0 ||
die "Expected no argument, got $#: %s\n" "$*"
for sdk in "$sdk32" "$sdk64"
do
mkdir -p "$sdk/var/log" ||
die "Could not ensure %s/var/log/ exists\n" "$sdk"
remove_obsolete_packages ||
die "Could not remove obsolete packages\n"
"$sdk/git-cmd.exe" --command=usr\\bin\\pacman.exe -S$y_opt ||
die "Cannot run pacman in %s\n" "$sdk"
PATH="$sdk/usr/bin:$PATH" \
"$sdk/git-cmd.exe" --cd="$sdk" --command=usr\\bin\\pacman.exe \
-Su $force --noconfirm ||
die "Could not update packages in %s\n" "$sdk"
PATH="$sdk/usr/bin:$PATH" \
"$sdk/git-cmd.exe" --command=usr\\bin\\bash.exe -l -c '
pacman-key --list-keys BB3AA74136C569BB >/dev/null ||
pacman-key --populate git-for-windows' ||
die "Could not re-populate git-for-windows-keyring\n"
case "$(tail -c 16384 "$sdk/var/log/pacman.log" |
grep '\[PACMAN\] starting .* system upgrade' |
tail -n 1)" in
*"full system upgrade")
;; # okay
*)
# only "core" packages were updated, update again
PATH="$sdk/usr/bin:$PATH" \
"$sdk/git-cmd.exe" --cd="$sdk" \
--command=usr\\bin\\sh.exe -l \
-c 'pacman -Su '$force' --noconfirm' ||
die "Cannot update packages in %s\n" "$sdk"
PATH="$sdk/usr/bin:$PATH" \
"$sdk/git-cmd.exe" --command=usr\\bin\\bash.exe -l -c '
pacman-key --list-keys BB3AA74136C569BB \
>/dev/null ||
pacman-key --populate git-for-windows' ||
die "Could not re-populate git-for-windows-keyring\n"
;;
esac
# A ruby upgrade (or something else) may require a re-install
# of the `asciidoctor` gem. We only do this for the 64-bit
# SDK, though, as we require asciidoctor only when building
# Git, whose 32-bit packages are cross-compiled in from 64-bit.
test "$sdk64" != "$sdk" ||
PATH="$sdk/usr/bin:$PATH" \
"$sdk/git-cmd.exe" --command=usr\\bin\\sh.exe -l -c \
'test -n "$(gem list --local | grep "^asciidoctor ")" ||
gem install asciidoctor || exit;
export PATH=/mingw32/bin:$PATH;
test -n "$(gem list --local | grep "^asciidoctor ")" ||
gem install asciidoctor' ||
die "Could not re-install asciidoctor in %s\n" "$sdk"
# git-extra rewrites some files owned by other packages,
# therefore it has to be (re-)installed now
PATH="$sdk/usr/bin:$PATH" \
"$sdk/git-cmd.exe" --command=usr\\bin\\sh.exe -l -c \
'pacman -S '$force' --noconfirm git-extra' ||
die "Cannot update git-extra in %s\n" "$sdk"
pacnew="$(sed -ne '/starting core system upgrade/{
:1;
s/.*/WAIT/;x
:2;
n;
/warning:.*installed as .*\.pacnew$/{s/.* as //;H;b2}
/starting full system upgrade/{x;s/WAIT//;x;b2}
/starting core system upgrade/{x;/WAIT/{x;b2};b1}
${x;s/WAIT//;s/^\n//;/./p}
b2;
}' <"$sdk"/var/log/pacman.log)" ||
die "Could not get list of .pacnew files\n"
if test -n "$pacnew"
then
# Make sure we have the git-extra package locally, as
# one of the .pacnew files could be pacman.conf, and
# replacing it removes the link to Git for Windows'
# Pacman repository
PATH="$sdk/bin:$PATH" \
"$sdk/git-cmd.exe" --command=usr\\bin\\sh.exe -l -c \
'pkg=/var/cache/pacman/pkg/$(pacman -Q git-extra |
tr \ -)*.pkg.tar.xz
test -f $pkg || {
pacman -Sw --noconfirm git-extra &&
test -f $pkg || {
echo "Could not cache $pkg" >&2
exit 1
}
}
for f in '"$(echo "$pacnew" | tr '\n' ' ')"'
do
test ! -f $f ||
mv -f $f ${f%.pacnew} || {
echo "Could not rename $f" >&2
exit 1
}
done
pacman -U --noconfirm '$force' $pkg || {
echo "Could not reinstall $pkg" >&2
exit 1
}' ||
die "Could not handle .pacnew files\n"
fi
done
}
run () { # <bitness> <command> [<arg>...]
test 32 = "$1" || test 64 = "$1" || die "Which bitness?\n"
sdk="$(eval "echo \$sdk$1")"
shift
cmdline=eval
for arg
do
cmdline="$cmdline '$(echo "$arg" | sed -e "s/'/&\\\\&&/g")'"
done
"$sdk/git-cmd.exe" --command=usr\\bin\\sh.exe -l -c "$cmdline"
}
killall () { # <bitness>
sdk="$(eval "echo \$sdk$1")"
pids="$("$sdk/git-cmd.exe" --command=usr\\bin\\ps.exe -s |
grep -v ' /usr/bin/ps$' |
sed -n "s/^ *\([0-9][0-9]*\).*/\1/p")"
test -z "$pids" ||
"$sdk/git-cmd.exe" --command=usr\\bin\\kill.exe $pids
}
mount_sdks () { #
test -d /sdk32 || mount "$sdk32" /sdk32
test -d /sdk64 || mount "$sdk64" /sdk64
}
# set_package <package>
set_package () {
package="$1"
extra_packages=
extra_makepkg_opts=
case "$package" in
git-extra)
type=MINGW
pkgpath=/usr/src/build-extra/$package
;;
git-for-windows-keyring)
type=MSYS
pkgpath=/usr/src/build-extra/$package
;;
git)
package=mingw-w64-git
extra_packages="mingw-w64-git-doc-html mingw-w64-git-doc-man mingw-w64-git-test-artifacts mingw-w64-git-pdb"
type=MINGW
pkgpath=/usr/src/MINGW-packages/$package
;;
mingw-w64-git)
type=MINGW
extra_packages="mingw-w64-git-doc-html mingw-w64-git-doc-man mingw-w64-git-test-artifacts mingw-w64-git-pdb"
pkgpath=/usr/src/MINGW-packages/$package
;;
mingw-w64-git-credential-manager)
type=MINGW
pkgpath=/usr/src/build-extra/mingw-w64-git-credential-manager
;;
gcm|credential-manager|git-credential-manager)
package=mingw-w64-git-credential-manager
type=MINGW
pkgpath=/usr/src/build-extra/mingw-w64-git-credential-manager
;;
lfs|git-lfs|mingw-w64-git-lfs)
package=mingw-w64-git-lfs
type=MINGW
pkgpath=/usr/src/build-extra/mingw-w64-git-lfs
;;
cv2pdb|mingw-w64-cv2pdb)
package=mingw-w64-cv2pdb
type=MINGW
pkgpath=/usr/src/build-extra/mingw-w64-cv2pdb
;;
pcre2|mingw-w64-pcre2)
package=mingw-w64-pcre2
type=MINGW
pkgpath=/usr/src/MINGW-packages/mingw-w64-pcre2
;;
busybox|mingw-w64-busybox)
package=mingw-w64-busybox
type=MINGW
extra_packages="mingw-w64-busybox-pdb"
pkgpath=/usr/src/MINGW-packages/mingw-w64-busybox
;;
msys2-runtime)
type=MSYS
extra_packages="msys2-runtime-devel"
pkgpath=/usr/src/MSYS2-packages/$package
;;
mintty)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
;;
w3m)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
;;
openssh)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
;;
openssl)
type=MSYS
extra_packages="libopenssl openssl-devel"
pkgpath=/usr/src/MSYS2-packages/$package
extra_makepkg_opts=--nocheck
;;
mingw-w64-openssl)
type=MINGW
extra_packages="mingw-w64-openssl-pdb"
pkgpath=/usr/src/MINGW-packages/$package
;;
curl)
type=MSYS
extra_packages="libcurl libcurl-devel"
pkgpath=/usr/src/MSYS2-packages/$package
;;
mingw-w64-curl)
type=MINGW
extra_packages="mingw-w64-curl-pdb"
pkgpath=/usr/src/MINGW-packages/$package
;;
git-flow)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
;;
p7zip)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
;;
mingw-w64-asciidoctor-extensions)
type=MINGW
pkgpath=/usr/src/MINGW-packages/$package
;;
wintoast|mingw-w64-wintoast)
package=mingw-w64-wintoast
type=MINGW
pkgpath=/usr/src/build-extra/mingw-w64-wintoast
;;
bash)
type=MSYS
extra_packages="bash-devel"
pkgpath=/usr/src/MSYS2-packages/$package
;;
heimdal)
type=MSYS
extra_packages="heimdal-libs heimdal-devel"
pkgpath=/usr/src/MSYS2-packages/$package
;;
perl)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
extra_makepkg_opts=--nocheck
;;
perl-Net-SSLeay)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
;;
tig)
type=MSYS
pkgpath=/usr/src/MSYS2-packages/$package
;;
*)
die "Unknown package: %s\n" "$package"
;;
esac
}
# foreach_sdk <function> [<args>]
foreach_sdk () {
# Run function in 32-bit/64-bit SDKs (only 64-bit for MINGW packages)
for sdk in "$sdk32" "$sdk64"
do
# MINGW packages are compiled in the 64-bit SDK only
test "a$sdk64" = "a$sdk" ||
test MINGW != "$type" ||
continue
(cd "$sdk/$pkgpath" ||
die "%s does not exist\n" "$sdk/$pkgpath"
"$@") ||
die "Could not run '%s' in '%s'\n" "$*" "$sdk"
done
}
require_clean_worktree () {
git update-index -q --ignore-submodules --refresh &&
git diff-files --quiet --ignore-submodules &&
git diff-index --cached --quiet --ignore-submodules HEAD ||
die "%s not up-to-date\n" "$sdk/$pkgpath"
}
ff_master () {
test refs/heads/master = "$(git rev-parse --symbolic-full-name HEAD)" ||
die "%s: Not on 'master'\n" "$sdk/$pkgpath"
require_clean_worktree
git pull --ff-only origin master ||
die "%s: cannot fast-forward 'master'\n" "$sdk/$pkgpath"
}
update () { # <package>
if test git != "$1" && test -d "$sdk64"/usr/src/"$1"
then
pkgpath=/usr/src/"$1"
else
set_package "$1"
fi
foreach_sdk ff_master
}
remove_obsolete_packages () {
test "a$sdk" = "a$sdk32" &&
arch=i686 ||
arch=x86_64
for p in mingw-w64-$arch-curl-winssl-bin
do
test ! -d "$sdk"/var/lib/pacman/local/$p-[0-9]* ||
"$sdk"/git-cmd.exe --command=usr\\bin\\pacman.exe \
-R --noconfirm $p ||
die "Could not remove %s\n" "$p"
done
}
# require <metapackage> <telltale>
require () {
test -d "$sdk"/var/lib/pacman/local/"${2:-$1}"-[0-9]* ||
"$sdk"/git-cmd.exe --command=usr\\bin\\pacman.exe \
-Sy --needed --noconfirm "$1" ||
die "Could not install %s\n" "$1"
}
install_git_32bit_prereqs () {
require mingw-w64-i686-asciidoctor-extensions
}
pkg_build () {
require_clean_worktree
test "a$sdk" = "a$sdk32" &&
arch=i686 ||
arch=x86_64
# Git for Windows' packages are only visible to the SDK of the
# matching architecture. However, we want to build Git for both
# 32-bit and 64-bit in the 64-bit SDK at the same time, therefore
# we need even the prerequisite asciidoctor-extensions for 32-bit.
# Let's just steal it from the 32-bit SDK
test mingw-w64-git != $package ||
test x86_64 != $arch ||
install_git_32bit_prereqs
case "$type" in
MINGW)
require mingw-w64-toolchain mingw-w64-$arch-make
if test mingw-w64-git = "$package"
then
tag="$(git --git-dir=src/git/.git for-each-ref \
--format='%(refname:short)' --sort=-taggerdate \
--count=1 'refs/tags/*.windows.*')" &&
test -n "$tag" ||
die "Could not determine latest tag\n"
sed -i "s/^\(tag=\).*/\1${tag#v}/" PKGBUILD ||
die "Could not edit tag\n"
fi
if test -z "$(git --git-dir="$sdk64/usr/src/build-extra/.git" \
config alias.signtool)"
then
extra=
else
extra="SIGNTOOL=\"git --git-dir=\\\"$sdk64/usr/src"
extra="$extra/build-extra/.git\\\" signtool\" "
fi
"$sdk/git-cmd.exe" --command=usr\\bin\\sh.exe -l -c \
'MAKEFLAGS=-j5 MINGW_INSTALLS=mingw32\ mingw64 \
'"$extra"'makepkg-mingw -s --noconfirm \
'"$extra_makepkg_opts"' &&
if test mingw-w64-git = "'"$package"'"
then
git -C src/git push "$PWD/git" \
refs/tags/"'"$tag"'"
fi &&
MINGW_INSTALLS=mingw64 makepkg-mingw --allsource \
'"$extra_makepkg_opts" ||
die "%s: could not build\n" "$sdk/$pkgpath"
git update-index -q --refresh &&
git diff-files --quiet --ignore-submodules PKGBUILD ||
git commit -s -m "$package: new version" PKGBUILD ||
die "%s: could not commit after build\n" "$sdk/$pkgpath"
;;
MSYS)
require msys2-devel binutils
if test msys2-runtime = "$package"
then
require mingw-w64-cross-crt-git mingw-w64-cross-gcc
test ! -d msys2-runtime ||
(cd msys2-runtime && git fetch) ||
die "Could not fetch from origin"
test ! -d src/msys2-runtime/.git ||
(cd src/msys2-runtime &&
if test -n "$(git config remote.upstream.url)"
then
git fetch upstream
else
git remote add -f upstream \
https://github.com/Alexpux/Cygwin
fi &&
if test -n "$(git config remote.cygwin.url)"
then
git fetch --tags cygwin
else
git remote add -f cygwin \
git://sourceware.org/git/newlib-cygwin.git
fi) ||
die "Could not update msys2-runtime's upstream\n"
fi
"$sdk/git-cmd" --command=usr\\bin\\sh.exe -l -c \
'cd '"$pkgpath"' &&
export MSYSTEM=MSYS &&
export PATH=/usr/bin:/opt/bin:$PATH &&
unset ORIGINAL_PATH &&
. /etc/profile &&
MAKEFLAGS=-j5 makepkg -s --noconfirm \
'"$extra_makepkg_opts"' &&
makepkg --allsource '"$extra_makepkg_opts" ||
die "%s: could not build\n" "$sdk/$pkgpath"
if test "a$sdk32" = "a$sdk"
then
git update-index -q --refresh &&
git diff-files --quiet --ignore-submodules PKGBUILD ||
git commit -s -m "$package: new version" PKGBUILD ||
die "%s: could not commit after build\n" "$sdk/$pkgpath"
else
git add PKGBUILD &&
git pull "$sdk32/${pkgpath%/*}/.git" \
"$(git rev-parse --symbolic-full-name HEAD)" &&
require_clean_worktree ||
die "%s: unexpected difference between 32/64-bit\n" \
"$pkgpath"
fi
;;
esac
}
fast_forward () {
if test -d "$2"/.git
then
git -C "$1" fetch "$2" refs/heads/master
else
git -C "$1" fetch "$2"/.. refs/heads/master
fi &&
git -C "$1" merge --ff-only "$3" &&
test "a$3" = "a$(git -C "$1" rev-parse --verify HEAD)"
}
# up_to_date <path>
up_to_date () {
# test that repos at <path> are up-to-date in both 64-bit and 32-bit
pkgpath="$1"
foreach_sdk require_clean_worktree
commit32="$(cd "$sdk32/$pkgpath" && git rev-parse --verify HEAD)" &&
commit64="$(cd "$sdk64/$pkgpath" && git rev-parse --verify HEAD)" ||
die "Could not determine HEAD commit in %s\n" "$pkgpath"
if test "a$commit32" != "a$commit64"
then
fast_forward "$sdk32/$pkgpath" "$sdk64/$pkgpath" "$commit64" ||
fast_forward "$sdk64/$pkgpath" "$sdk32/$pkgpath" "$commit32" ||
die "%s: commit %s (32-bit) != %s (64-bit)\n" \
"$pkgpath" "$commit32" "$commit64"
fi
}
build () { # [--force] [--cleanbuild] <package>
force=
cleanbuild=
while case "$1" in
-f|--force)
force=--force
;;
--cleanbuild)
cleanbuild=--cleanbuild
;;
-*) die "Unknown option: %s\n" "$1";;
*) break;;
esac; do shift; done
test $# = 1 ||
die "Expected 1 argument, got $#: %s\n" "$*"
set_package "$1"
extra_makepkg_opts="$extra_makepkg_opts $force $cleanbuild"
test MINGW = "$type" ||
up_to_date "$pkgpath" ||
die "%s: not up-to-date\n" "$pkgpath"
foreach_sdk pkg_build $force $cleanbuild ||
die "Could not build '%s'\n" "$package"
}
# require_remote <nickname> <url>
require_remote () {
if test -z "$(git config remote."$1".url)"
then
git remote add -f "$1" "$2"
else
test "$2" = "$(git config remote."$1".url)" ||
die "Incorrect URL for %s: %s\n" \
"$1" "$(git config remote."$1".url)"
git fetch "$1"
fi ||
die "Could not fetch from %s\n" "$1"
}
# require_push_url # [<remote>]
require_push_url () {
remote=${1:-origin}
if ! grep -q '^Host github.com$' "$HOME/.ssh/config" 2>/dev/null
then
# Allow build agents to use Personal Access Tokens
url="$(git config remote."$remote".url)" &&
case "$(git config http."$url".extraheader)" in
Authorization:*) true;; # okay
*) false;;
esac ||
die "No github.com entry in ~/.ssh/config\n"
elif test -z "$(git config remote."$remote".pushurl)"
then
pushurl="$(git config remote."$remote".url |
sed -n 's|^https://github.com/\(.*\)|github.com:\1|p')"
test -n "$pushurl" ||
die "Not a GitHub remote: %s\n" "$remote"
git remote set-url --push "$remote" "$pushurl" ||
die "Could not set push URL of %s to %s\n" "$remote" "$pushurl"
fi
}
whatis () {
git show -s --pretty='tformat:%h (%s, %ad)' --date=short "$@"
}
is_rebasing () {
test -d "$(git rev-parse --git-path rebase-merge)"
}
has_merge_conflicts () {
test -n "$(git ls-files --unmerged)"
}
record_rerere_train () {
conflicts="$(git ls-files --unmerged)" &&
test -n "$conflicts" ||
die "No merge conflicts?!?\n"
commit="$(git rev-parse -q --verify refs/heads/rerere-train)" ||
commit="$(git rev-parse -q --verify \
refs/remotes/git-for-windows/rerere-train)"
if test -z "$GIT_INDEX_FILE"
then
GIT_INDEX_FILE="$(git rev-parse --git-path index)"
fi &&
orig_index="$GIT_INDEX_FILE" &&
(GIT_INDEX_FILE="$orig_index.tmp" &&
export GIT_INDEX_FILE &&
for stage in 1 2 3
do
cp "$orig_index" "$GIT_INDEX_FILE" &&
echo "$conflicts" |
sed -n "s/^\\([^ ]* [^ ]* \\)$stage/\\10/p" |
git update-index --index-info &&
git ls-files --unmerged |
sed -n "s/^[^ ]*/0/p" |
git update-index --index-info &&
eval tree$stage="$(git write-tree)" ||
die "Could not write tree %s\n" "$stage"
done &&
cp "$orig_index" "$GIT_INDEX_FILE" &&
git add -u &&
tree4="$(git write-tree)" &&
if ! stopped_sha="$(git rev-parse --git-path \
rebase-merge/stopped-sha)" ||
! stopped_sha="$(cat "$stopped_sha")"
then
stopped_sha="$(git rev-parse -q --verify MERGE_HEAD)"
fi &&
base_msg="$(printf "cherry-pick %s onto %s\n\n%s\n%s\n\n\t%s" \
"$(git show -s --pretty=tformat:%h $stopped_sha)" \
"$(git show -s --pretty=tformat:%h HEAD)" \
"This commit helps to teach \`git rerere\` to resolve merge " \
"conflicts when cherry-picking:" \
"$(whatis $stopped_sha)")" &&
commit=$(git commit-tree ${commit:+-p} $commit \
-m "base: $base_msg" $tree1) &&
commit2=$(git commit-tree -p $commit -m "pick: $base_msg" $tree3) &&
commit=$(git commit-tree -p $commit -m "upstream: $base_msg" $tree2) &&
commit=$(git commit-tree -p $commit -p $commit2 \
-m "resolve: $base_msg" $tree4) &&
git update-ref -m "$base_msg" refs/heads/rerere-train $commit) || exit
git add -u &&
git rerere
}
rerere_train () {
git rev-list --reverse --parents "$@" |
while read commit parent1 parent2 rest
do
test -n "$parent2" && test -z "$rest" || continue
printf "Learning merge conflict resolution from %s\n" \
"$(whatis "$commit")" >&2
(GIT_CONFIG_PARAMETERS="$GIT_CONFIG_PARAMETERS${GIT_CONFIG_PARAMETERS:+ }'rerere.enabled=true'" &&
export GIT_CONFIG_PARAMETERS &&
worktree="$(git rev-parse --git-path train)" &&
if test ! -d "$worktree"
then
git worktree add "$worktree" "$parent1" ||
die "Could not create worktree %s\n" "$worktree"
fi &&
cd "$worktree" &&
git checkout -f -q "$parent1" &&
git reset -q --hard &&
if git merge "$parent2" >/dev/null 2>&1
then
echo "Nothing to be learned: no merge conflicts" >&2
else
if ! test -s "$(git rev-parse --git-path MERGE_RR)"
then
git rerere forget -- . &&
test -f "$(git rev-parse --git-path MERGE_RR)" ||
die "Could not re-learn from %s\n" "$commit"
fi
git checkout -q "$commit" -- . &&
git rerere ||
die "Could not learn from %s\n" "$commit"
fi) || exit
done
}
# ensure_valid_login_shell <bitness>
ensure_valid_login_shell () {
# Only perform this stunt for special accounts, such as NETWORK SERVICE
test 256 -gt "$UID" ||
return 0
sdk="$(eval "echo \$sdk$1")"
"$sdk/git-cmd" --command=usr\\bin\\sh.exe -c '
# use `strace` to avoid segmentation faults for special accounts
line="$(strace -o /dev/null mkpasswd -c | grep -v ^create)"
case "$line" in
*/nologin)
if ! grep -q "^${line%%:*}" /etc/passwd 2>/dev/null
then
echo "${line%:*}:/usr/bin/bash" >>/etc/passwd
fi
;;
esac' >&2
}
require_git_src_dir () {
sdk="$sdk64"
if test ! -d "$git_src_dir"
then
if test ! -d "${git_src_dir%/src/git}"
then
mingw_packages_dir="${git_src_dir%/*/src/git}"
if test ! -d "$mingw_packages_dir"
then
case "$mingw_packages_dir" in
*/MINGW-packages)
o=https://github.com/git-for-windows &&
git -C "${mingw_packages_dir%/*}" \
clone $o/MINGW-packages ||
die "Could not clone into %s\n" \
"$mingw_packages_dir"
;;
*)
die "Do not know how to clone %s\n" \
"$mingw_packages_dir"
;;
esac
else
git -C "$mingw_packages_dir" fetch &&
git -C "$mingw_packages_dir" \
checkout -t origin/master ||
die "Could not check out %s\n" \
"$mingw_packages_dir"
fi
fi
(cd "${git_src_dir%/src/git}" &&
echo "Checking out Git (not making it)" >&2 &&
"$sdk64/git-cmd" --command=usr\\bin\\sh.exe -l -c \
'makepkg-mingw --noconfirm -s -o') ||
die "Could not initialize %s\n" "$git_src_dir"
fi
test ! -f "$git_src_dir/PKGBUILD" ||
(cd "$git_src_dir/../.." &&
sdk= pkgpath=$PWD ff_master) ||
die "MINGW-packages not up-to-date\n"
test false = "$(git -C "$git_src_dir" config core.autocrlf)" ||
(cd "$git_src_dir" &&
git config core.autocrlf false &&
rm .git/index
git reset --hard) ||
die "Could not make sure Git sources are checked out LF-only\n"
}
# build_and_test_64; intended to build and test 64-bit Git in MINGW-packages
build_and_test_64 () {
skip_tests=
filter_make_test=" | perl -ne '"'
s/^ok \d+ # skip/skipped:/;
unless (
/^1..[0-9]*/ or
/^ok [0-9]*/ or
/^# passed all [0-9]* test\(s\)/ or
/^# passed all remaining [0-9]* test\(s\)/ or
/^# still have [0-9]* known breakage\(s\)/
) {
s/^not ok \d+ -(.*)# TODO known breakage/known e:$1/;
s/^\*\*\* (.+) \*\*\*/$1/;
s/(.+)/ $1/ unless /^t\d{4}-|^make/;
print;
};
'"'; grep '^failed [^0]' t/test-results/*.counts"
test_opts=--quiet
no_svn_tests="NO_SVN_TESTS=1"
while case "$1" in
--skip-tests)
skip_tests=--skip-tests
;;
--full-log)
test_opts=
filter_make_test=
;;
--with-svn-tests)
no_svn_tests=
;;
-*) die "Unknown option: %s\n" "$1";;
*) break;;
esac; do shift; done
test $# = 0 ||
die "Expected no argument, got $#: %s\n" "$*"
make_t_prefix=
test -z "$test_opts" ||
make_t_prefix="GIT_TEST_OPTS=\"$test_opts\" $make_t_prefix"
test -z "$no_svn_tests" ||
make_t_prefix="$no_svn_tests $make_t_prefix"
ls //localhost/c$ >/dev/null 2>&1 || {
echo "Administrative shares unavailable; skipping t5580" >&2
export GIT_SKIP_TESTS="${GIT_SKIP_TESTS:+$GIT_SKIP_TESTS }t5580"
}
ensure_valid_login_shell 64 &&
GIT_CONFIG_PARAMETERS= \
"$sdk64/git-cmd" --command=usr\\bin\\sh.exe -l -c '
: make sure that the .dll files are correctly resolved: &&
cd $PWD &&
rm -f t/test-results/*.{counts,tee} &&
printf "\nBuilding Git...\n" >&2 &&
if ! make -j5 -k DEVELOPER=1
then
echo "Re-running build (to show failures)" >&2
make -k DEVELOPER=1 || {
echo "Build failed!" >&2
exit 1
}
fi &&
printf "\nTesting Git...\n" >&2 &&
if '"$(if test -z "$skip_tests"
then
printf '! %smake -C t -j5 -k%s\n' \
"$make_t_prefix" "$filter_make_test"
else
echo 'false'
fi)"'
then
cd t &&
failed_tests="$(cd test-results &&
grep -l "^failed [1-9]" t[0-9]*.counts)" || {
echo "No failed tests ?!?" >&2
exit 1
}
still_failing="$(git rev-parse --git-dir)/failing.txt"
rm -f "$still_failing"
for t in $failed_tests
do
t=${t%*.counts}
test -f "$t.sh" || {
t=${t%*-[1-9]*}
test -f "$t.sh" ||
echo "Cannot find script for $t" >&2
exit 1
}
echo "Re-running $t" >&2
time bash $t.sh -i -v -x ||
echo "$t.sh" >>"$still_failing"
done
test ! -s "$still_failing" || {
printf "Still failing:\n\n%s\n" \
"$(cat "$still_failing")" >&2
exit 1
}
fi'
}
rebase () { # [--worktree=<dir>] [--test [--full-test-log] [--with-svn-tests]] ( -- jump | [--redo] [--abort-previous] [--continue | --skip] <upstream-branch-or-tag> )
git_src_dir="$sdk64/usr/src/MINGW-packages/mingw-w64-git/src/git"
run_tests=
redo=
abort_previous=
continue_rebase=
skip_rebase=
full_test_log=
with_svn_tests=
while case "$1" in
--worktree=*)
git_src_dir=${1#*=}
test -d "$git_src_dir" ||
die "Worktree does not exist: %s\n" "$git_src_dir"
git rev-parse -q --verify e83c5163316f89bfbde7d ||
die "Does not appear to be a Git checkout: %s\n" "$git_src_dir"
;;
--jump)
test $# = 1 || test $# = 2 -a a"$2" = a"${2#-}" ||
die "%s must be the last option\n" "--jump"
cd "$git_src_dir" &&
exec contrib/git-jump/git-jump merge ||
die "Could not run git jump merge\n"
;;
--test) run_tests=t;;
--full-test-log) full_test_log=--full-log;;
--with-svn-tests) with_svn_tests=--with-svn-tests;;
--redo) redo=t;;
--abort-previous) abort_previous=t;;
--continue) continue_rebase=t;;
--skip) skip_rebase=t;;
-*) die "Unknown option: %s\n" "$1";;
*) break;;
esac; do shift; done
test $# = 1 ||
die "Expected 1 argument, got $#: %s\n" "$*"
ensure_valid_login_shell 64 ||
die "Could not ensure valid login shell\n"
test tt != "$skip_rebase$continue_rebase" ||
die "Cannot continue *and* skip\n"