forked from mirrors/nixpkgs
94fe7bed1d
This feature sounds crazy, but it is used in some configure scripts (e.g. xbmc). This patch causes an almost complete rebuild of Nixpkgs. Patch submitted by Jan Malakhovski <oxij@oxij.org>.
25 lines
707 B
Bash
25 lines
707 B
Bash
skip () {
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if test "$NIX_DEBUG" = "1"; then
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echo "skipping impure path $1" >&2
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fi
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}
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# Checks whether a path is impure. E.g., `/lib/foo.so' is impure, but
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# `/nix/store/.../lib/foo.so' isn't.
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badPath() {
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local p=$1
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# Relative paths are okay (since they're presumably relative to
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# the temporary build directory).
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if test "${p:0:1}" != "/"; then return 1; fi
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# Otherwise, the path should refer to the store or some temporary
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# directory (including the build directory).
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test \
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"$p" != "/dev/null" -a \
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"${p:0:${#NIX_STORE}}" != "$NIX_STORE" -a \
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"${p:0:4}" != "/tmp" -a \
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"${p:0:${#NIX_BUILD_TOP}}" != "$NIX_BUILD_TOP"
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}
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