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* bootstrap: Update script
This commit is contained in:
Darshit Shah
parent
98c23153a2
commit
7ba0a44939
246
bootstrap
246
bootstrap
@ -1,10 +1,10 @@
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#! /bin/sh
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# Print a version string.
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scriptversion=2021-04-11.09; # UTC
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scriptversion=2022-01-26.05; # UTC
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# Bootstrap this package from checked-out sources.
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# Copyright (C) 2003-2021 Free Software Foundation, Inc.
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# Copyright (C) 2003-2022 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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@ -313,6 +313,116 @@ find_tool ()
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eval "export $find_tool_envvar"
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}
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# Strip blank and comment lines to leave significant entries.
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gitignore_entries() {
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sed '/^#/d; /^$/d' "$@"
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}
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# If $STR is not already on a line by itself in $FILE, insert it at the start.
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# Entries are inserted at the start of the ignore list to ensure existing
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# entries starting with ! are not overridden. Such entries support
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# whitelisting exceptions after a more generic blacklist pattern.
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insert_if_absent() {
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file=$1
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str=$2
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test -f $file || touch $file
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test -r $file || die "Error: failed to read ignore file: $file"
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duplicate_entries=$(gitignore_entries $file | sort | uniq -d)
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if [ "$duplicate_entries" ] ; then
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die "Error: Duplicate entries in $file: " $duplicate_entries
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fi
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linesold=$(gitignore_entries $file | wc -l)
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linesnew=$( { echo "$str"; cat $file; } | gitignore_entries | sort -u | wc -l)
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if [ $linesold != $linesnew ] ; then
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{ echo "$str" | cat - $file > $file.bak && mv $file.bak $file; } \
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|| die "insert_if_absent $file $str: failed"
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fi
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}
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# Adjust $PATTERN for $VC_IGNORE_FILE and insert it with
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# insert_if_absent.
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insert_vc_ignore() {
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vc_ignore_file="$1"
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pattern="$2"
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case $vc_ignore_file in
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*.gitignore)
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# A .gitignore entry that does not start with '/' applies
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# recursively to subdirectories, so prepend '/' to every
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# .gitignore entry.
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pattern=$(echo "$pattern" | sed s,^,/,);;
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esac
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insert_if_absent "$vc_ignore_file" "$pattern"
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}
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symlink_to_dir()
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{
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src=$1/$2
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dst=${3-$2}
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test -f "$src" && {
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# If the destination directory doesn't exist, create it.
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# This is required at least for "lib/uniwidth/cjk.h".
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dst_dir=$(dirname "$dst")
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if ! test -d "$dst_dir"; then
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mkdir -p "$dst_dir"
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# If we've just created a directory like lib/uniwidth,
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# tell version control system(s) it's ignorable.
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# FIXME: for now, this does only one level
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parent=$(dirname "$dst_dir")
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for dot_ig in x $vc_ignore; do
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test $dot_ig = x && continue
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ig=$parent/$dot_ig
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insert_vc_ignore $ig "${dst_dir##*/}"
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done
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fi
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if $copy; then
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{
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test ! -h "$dst" || {
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echo "$me: rm -f $dst" &&
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rm -f "$dst"
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}
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} &&
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test -f "$dst" &&
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cmp -s "$src" "$dst" || {
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echo "$me: cp -fp $src $dst" &&
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cp -fp "$src" "$dst"
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}
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else
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# Leave any existing symlink alone, if it already points to the source,
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# so that broken build tools that care about symlink times
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# aren't confused into doing unnecessary builds. Conversely, if the
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# existing symlink's timestamp is older than the source, make it afresh,
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# so that broken tools aren't confused into skipping needed builds. See
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# <https://lists.gnu.org/r/bug-gnulib/2011-05/msg00326.html>.
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test -h "$dst" &&
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src_ls=$(ls -diL "$src" 2>/dev/null) && set $src_ls && src_i=$1 &&
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dst_ls=$(ls -diL "$dst" 2>/dev/null) && set $dst_ls && dst_i=$1 &&
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test "$src_i" = "$dst_i" &&
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both_ls=$(ls -dt "$src" "$dst") &&
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test "X$both_ls" = "X$dst$nl$src" || {
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dot_dots=
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case $src in
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/*) ;;
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*)
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case /$dst/ in
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*//* | */../* | */./* | /*/*/*/*/*/)
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die "invalid symlink calculation: $src -> $dst";;
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/*/*/*/*/) dot_dots=../../../;;
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/*/*/*/) dot_dots=../../;;
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/*/*/) dot_dots=../;;
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esac;;
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esac
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echo "$me: ln -fs $dot_dots$src $dst" &&
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ln -fs "$dot_dots$src" "$dst"
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}
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fi
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}
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}
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# Override the default configuration, if necessary.
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# Make sure that bootstrap.conf is sourced from the current directory
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# if we were invoked as "sh bootstrap".
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@ -375,47 +485,6 @@ if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then
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die "Bootstrapping from a non-checked-out distribution is risky."
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fi
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# Strip blank and comment lines to leave significant entries.
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gitignore_entries() {
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sed '/^#/d; /^$/d' "$@"
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}
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# If $STR is not already on a line by itself in $FILE, insert it at the start.
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# Entries are inserted at the start of the ignore list to ensure existing
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# entries starting with ! are not overridden. Such entries support
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# whitelisting exceptions after a more generic blacklist pattern.
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insert_if_absent() {
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file=$1
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str=$2
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test -f $file || touch $file
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test -r $file || die "Error: failed to read ignore file: $file"
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duplicate_entries=$(gitignore_entries $file | sort | uniq -d)
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if [ "$duplicate_entries" ] ; then
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die "Error: Duplicate entries in $file: " $duplicate_entries
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fi
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linesold=$(gitignore_entries $file | wc -l)
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linesnew=$( { echo "$str"; cat $file; } | gitignore_entries | sort -u | wc -l)
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if [ $linesold != $linesnew ] ; then
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{ echo "$str" | cat - $file > $file.bak && mv $file.bak $file; } \
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|| die "insert_if_absent $file $str: failed"
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fi
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}
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# Adjust $PATTERN for $VC_IGNORE_FILE and insert it with
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# insert_if_absent.
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insert_vc_ignore() {
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vc_ignore_file="$1"
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pattern="$2"
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case $vc_ignore_file in
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*.gitignore)
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# A .gitignore entry that does not start with '/' applies
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# recursively to subdirectories, so prepend '/' to every
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# .gitignore entry.
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pattern=$(echo "$pattern" | sed s,^,/,);;
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esac
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insert_if_absent "$vc_ignore_file" "$pattern"
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}
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# Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in configure.ac.
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found_aux_dir=no
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grep '^[ ]*AC_CONFIG_AUX_DIR(\['"$build_aux"'\])' configure.ac \
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@ -694,9 +763,25 @@ if $use_gnulib; then
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shallow=
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if test -z "$GNULIB_REVISION"; then
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git clone -h 2>&1 | grep -- --depth > /dev/null && shallow='--depth 2'
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git clone $shallow ${GNULIB_URL:-$default_gnulib_url} "$gnulib_path" \
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|| cleanup_gnulib
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else
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git fetch -h 2>&1 | grep -- --depth > /dev/null && shallow='--depth 2'
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mkdir -p "$gnulib_path"
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# Only want a shallow checkout of $GNULIB_REVISION, but git does not
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# support cloning by commit hash. So attempt a shallow fetch by commit
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# hash to minimize the amount of data downloaded and changes needed to
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# be processed, which can drastically reduce download and processing
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# time for checkout. If the fetch by commit fails, a shallow fetch can
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# not be performed because we do not know what the depth of the commit
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# is without fetching all commits. So fallback to fetching all commits.
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git -C "$gnulib_path" init
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git -C "$gnulib_path" remote add origin ${GNULIB_URL:-$default_gnulib_url}
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git -C "$gnulib_path" fetch $shallow origin "$GNULIB_REVISION" \
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|| git -C "$gnulib_path" fetch origin \
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|| cleanup_gnulib
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git -C "$gnulib_path" reset --hard FETCH_HEAD
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fi
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git clone $shallow ${GNULIB_URL:-$default_gnulib_url} "$gnulib_path" \
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|| cleanup_gnulib
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trap - 1 2 13 15
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fi
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@ -813,75 +898,6 @@ case $SKIP_PO in
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fi;;
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esac
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symlink_to_dir()
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{
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src=$1/$2
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dst=${3-$2}
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test -f "$src" && {
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# If the destination directory doesn't exist, create it.
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# This is required at least for "lib/uniwidth/cjk.h".
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dst_dir=$(dirname "$dst")
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if ! test -d "$dst_dir"; then
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mkdir -p "$dst_dir"
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# If we've just created a directory like lib/uniwidth,
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# tell version control system(s) it's ignorable.
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# FIXME: for now, this does only one level
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parent=$(dirname "$dst_dir")
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for dot_ig in x $vc_ignore; do
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test $dot_ig = x && continue
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ig=$parent/$dot_ig
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insert_vc_ignore $ig "${dst_dir##*/}"
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done
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fi
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if $copy; then
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{
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test ! -h "$dst" || {
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echo "$me: rm -f $dst" &&
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rm -f "$dst"
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}
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} &&
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test -f "$dst" &&
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cmp -s "$src" "$dst" || {
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echo "$me: cp -fp $src $dst" &&
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cp -fp "$src" "$dst"
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}
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else
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# Leave any existing symlink alone, if it already points to the source,
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# so that broken build tools that care about symlink times
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# aren't confused into doing unnecessary builds. Conversely, if the
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# existing symlink's timestamp is older than the source, make it afresh,
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# so that broken tools aren't confused into skipping needed builds. See
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# <https://lists.gnu.org/r/bug-gnulib/2011-05/msg00326.html>.
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test -h "$dst" &&
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src_ls=$(ls -diL "$src" 2>/dev/null) && set $src_ls && src_i=$1 &&
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dst_ls=$(ls -diL "$dst" 2>/dev/null) && set $dst_ls && dst_i=$1 &&
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test "$src_i" = "$dst_i" &&
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both_ls=$(ls -dt "$src" "$dst") &&
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test "X$both_ls" = "X$dst$nl$src" || {
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dot_dots=
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case $src in
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/*) ;;
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*)
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case /$dst/ in
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*//* | */../* | */./* | /*/*/*/*/*/)
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die "invalid symlink calculation: $src -> $dst";;
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/*/*/*/*/) dot_dots=../../../;;
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/*/*/*/) dot_dots=../../;;
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/*/*/) dot_dots=../;;
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esac;;
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esac
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echo "$me: ln -fs $dot_dots$src $dst" &&
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ln -fs "$dot_dots$src" "$dst"
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}
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fi
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}
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}
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version_controlled_file() {
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parent=$1
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file=$2
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@ -1093,7 +1109,7 @@ bootstrap_epilogue
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echo "$0: done. Now you can run './configure'."
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# Local variables:
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# Local Variables:
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# eval: (add-hook 'before-save-hook 'time-stamp)
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# time-stamp-start: "scriptversion="
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# time-stamp-format: "%:y-%02m-%02d.%02H"
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