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-rwxr-xr-xship/build75
1 files changed, 36 insertions, 39 deletions
diff --git a/ship/build b/ship/build
index 1c6f2e75..916953cc 100755
--- a/ship/build
+++ b/ship/build
@@ -16,61 +16,58 @@ build() {
build_info_directive='#@info'
build_include_directive='#@include \([0-9A-Za-z]\+\)'
+input_parser="\
+s:^ *\([0-9]\+\) "$build_info_directive"$:build_info \1:
+s:^ *\([0-9]\+\) "$build_include_directive"$:build_include \1 \2:
+t
+s:^ *\([0-9]\+\) .*:echo \1p:"
+
+## usage: build_include LINENO LIBNAME
+build_include() { cat<<EOF
+$1a\\
+# begin $2
+$1r$(build_resolve $2)
+$1a\\
+# end $2
+EOF
+}
+
+## usage: build_info LINENO
+build_info() { cat<<EOF
+$1a\\
+# this file was generated by //ship/build\\
+# date: $(date -u --rfc-3339=s)\\
+# version: $(git rev-parse HEAD)
+EOF
+}
+
## usage: build_compile SRCFILE DSTFILE
build_compile() {
- cp "$1" "$2"
+ srcfile="$(cat "$1")"
- while needs_compilation "$2"; do
- script="$(make_sedscript_maker_shellscript "$2" | sh)"
- sed -n "$script" "$2" >"$2.tmp"
- mv "$2.tmp" "$2"
+ while needs_compilation "$srcfile"; do
+ script="$(make_sedscript_maker_shellscript "$srcfile")"
+ srcfile="$(echo "$srcfile" | sed -n "$script")"
done
+ echo "$srcfile" > "$2"
chmod +x "$2"
}
-## usage: needs_compilation SRCFILE
+## usage: needs_compilation SHELLSCRIPT
# Returns true if SRCFILE contains compilation directives.
needs_compilation() {
- grep -q "^\\($build_include_directive\\|$build_info_directive\\)$" "$1"
+ echo "$1" |
+ grep -q "^\\($build_include_directive\\|$build_info_directive\\)$"
}
## usage: make_sedscript_maker_shellscript SRCFILE
# Print a shellscript that creates a sedscript that resolves all the build
# directives in SRCFILE.
make_sedscript_maker_shellscript() {
- echo 'set -euf'
-
- echo "_build_info='$(
- echo "# This file was generated by //ship/build\\"
- echo "# Date: $(date -u --rfc-3339=s)\\"
- echo "# Git-Commit: $(git show --pretty=oneline | awk '{print$1}')"
- )'"
-
- deps="$(build_deps "$1")"
- for lib in $deps; do
- echo "_build_include_$(basename $lib)=$lib"
- done
-
- nl -b a -s ' ' "$1" |
- sed '
- s:^ *::
-
- s:^\([0-9]\+\) '"$build_info_directive"'$:\1a\\\\\
-$_build_info\
- :
-
- s:^\([0-9]\+\) '"$build_include_directive"'$:\1a\\\\\
-# BEGIN \2\
- \1r\$_build_include_\2\
- \1a\\\\\
-# END \2:
-
- s:^\([0-9]\+\) .*:\1p:
-
- 1s:^:echo ":
- $s:$:":
- '
+ sedscript_generator="$(echo "$1" | nl -b a -s ' ' | sed "$input_parser")"
+ sedscript="$(eval "$sedscript_generator")"
+ echo "$sedscript"
}
## usage: build_deps SRCFILE