mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-01-22 14:45:27 +00:00
97 lines
2.7 KiB
Bash
97 lines
2.7 KiB
Bash
source $stdenv/setup
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ensureDir $out/etc
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sources_=($sources)
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targets_=($targets)
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modes_=($modes)
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cat <<EOF >> fill-etc.c
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <sys/wait.h>
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struct stat statBuffer;
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void ensureDir(char* path) {
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int i, j;
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char pathBuffer[PATH_MAX];
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statBuffer.st_mode = 0;
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for (i=0; path[i]; i++) {
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if (path[i]=='/') {
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pathBuffer[i]=0;
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mkdir(pathBuffer ,0755);
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j = i;
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}
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pathBuffer[i]=path[i];
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}
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pathBuffer[j]=0;
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if (stat(pathBuffer, &statBuffer) || ! (statBuffer.st_mode & S_IFDIR)) {
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printf ("Path does not exist or not a directory: %s\n", path);
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exit (EXIT_FAILURE);
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}
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}
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void copyAndChmod(char* path, char* target, mode_t mode) {
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int pid;
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pid = fork();
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if (! pid) {
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execl("${coreutils}/bin/cp", "cp", path, target, NULL);
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} else {
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waitpid (pid, NULL, 0);
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}
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chmod (target, mode);
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}
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int main () {
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/* generated code begins */
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EOF
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cat <<EOF >> kill-etc.c
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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int main () {
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/* generated code begins */
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EOF
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for ((i = 0; i < ${#targets_[@]}; i++)); do
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ensureDir $out/etc/$(dirname ${targets_[$i]})
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if ! test -e $out/etc/${targets_[$i]}; then
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ln -s ${sources_[$i]} $out/etc/${targets_[$i]};
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else
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echo "Duplicate entry ${targets_[$i]} -> ${sources_[$i]}"
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if test "$(readlink $out/etc/${targets_[$i]})" != "${sources_[$i]}"; then
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echo "Mismatched duplicate entry $(readlink $out/etc/${targets_[$i]}) <-> ${sources_[$i]}"
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exit 1
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fi
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fi;
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echo "ensureDir(\"/etc/${targets_[$i]}\");" >> fill-etc.c
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if test "${modes_[$i]}" != symlink; then
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echo "${modes_[$i]}" > $out/etc/${targets_[$i]}.mode
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echo "copyAndChmod(\"$out/etc/${targets_[$i]}\",\"/etc/${targets_[$i]}\",${modes_[$i]});" >> fill-etc.c;
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else
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echo "symlink(\"$out/etc/${targets_[$i]}\",\"/etc/${targets_[$i]}\");" >> fill-etc.c;
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fi
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echo "unlink (\"/etc/${targets_[$i]}\");" >> kill-etc.c
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done
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echo "symlink(\"$out/bin/kill-etc\",\"/etc/kill-etc\");" >> fill-etc.c
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echo "unlink(\"/etc/kill-etc\");" >> kill-etc.c
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echo " return 0; }" >> fill-etc.c
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echo " return 0; }" >> kill-etc.c
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ensureDir $out/bin
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ensureDir $out/share/etc-scripts/src
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gcc -Wall fill-etc.c -o $out/bin/fill-etc
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gcc -Wall kill-etc.c -o $out/bin/kill-etc
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cp fill-etc.c $out/share/etc-scripts/src
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cp kill-etc.c $out/share/etc-scripts/src
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