Luke Granger-Brown
57725ef3ec
git-subtree-dir: third_party/nixpkgs git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
74 lines
2.1 KiB
Bash
74 lines
2.1 KiB
Bash
postFixupHooks+=(_cygwinWrapExesToFindDlls)
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_cygwinWrapExesToFindDlls() {
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find $out -type l | while read LINK; do
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TARGET="$(readlink "${LINK}")"
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# fix all non .exe links that link explicitly to a .exe
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if [[ ${TARGET} == *.exe ]] && [[ ${LINK} != *.exe ]]; then
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mv "${LINK}" "${LINK}.exe"
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LINK="${LINK}.exe"
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fi
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# generate complementary filenames
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if [[ ${LINK} == *.exe ]]; then
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_LINK="${LINK%.exe}"
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_TARGET="${TARGET%.exe}"
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else
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_LINK="${LINK}.exe"
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_TARGET="${TARGET}.exe"
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fi
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# check if sould create complementary link
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DOLINK=1
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if [[ ${_TARGET} == *.exe ]]; then
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# the canonical target has to be a .exe
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CTARGET="$(readlink -f "${LINK}")"
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if [[ ${CTARGET} != *.exe ]]; then
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CTARGET="${CTARGET}.exe"
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fi
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if [ ! -e "${CTARGET}" ]; then
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unset DOLINK
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fi
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fi
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if [ -e "${_LINK}" ]; then
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# complementary link seems to exist
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# but could be cygwin smoke and mirrors
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INO=$(stat -c%i "${LINK}")
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_INO=$(stat -c%i "${_LINK}")
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if [ "${INO}" -ne "${_INO}" ]; then
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unset DOLINK
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fi
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fi
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# create complementary link
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if [ -n "${DOLINK}" ]; then
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ln -s "${_TARGET}" "${_LINK}.tmp"
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mv "${_LINK}.tmp" "${_LINK}"
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fi
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done
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find $out -type f -name "*.exe" | while read EXE; do
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WRAPPER="${EXE%.exe}"
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if [ -e "${WRAPPER}" ]; then
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# check if really exists or cygwin smoke and mirrors
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INO=$(stat -c%i "${EXE}")
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_INO=$(stat -c%i "${WRAPPER}")
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if [ "${INO}" -ne "${_INO}" ]; then
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continue
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fi
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fi
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mv "${EXE}" "${EXE}.tmp"
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cat >"${WRAPPER}" <<EOF
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#!/bin/sh
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export PATH=$_PATH${_PATH:+:}\${PATH}
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exec "\$0.exe" "\$@"
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EOF
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chmod +x "${WRAPPER}"
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mv "${EXE}.tmp" "${EXE}"
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done
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}
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