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Make WriteDepFile escape spaces and special characters

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This commit makes deptools.WriteDepFile() escape spaces and the
following set of special characters in the dependencies it
writes to files used as Ninja depfiles: \, #, *, [, |.  Without this
change, dependencies with paths including any of the above may not
function as intended.

Change-Id: I3560a34de930932422200985fb479515a21d9508
This commit is contained in:
Christian Zander 2015-01-12 11:37:17 -08:00 committed by Jamie Gennis
parent e28dbe4d0c
commit c4d07d8fb5
1 changed files with 17 additions and 1 deletions
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18
deptools/depfile.go
View file

@ -20,6 +20,16 @@ import (
"strings"
)
var (
pathEscaper = strings.NewReplacer(
`\`, `\\`,
` `, `\ `,
`#`, `\#`,
`*`, `\*`,
`[`, `\[`,
`|`, `\|`)
)
// WriteDepFile creates a new gcc-style depfile and populates it with content
// indicating that target depends on deps.
func WriteDepFile(filename, target string, deps []string) error {
@ -29,8 +39,14 @@ func WriteDepFile(filename, target string, deps []string) error {
}
defer f.Close()
var escapedDeps []string
for _, dep := range deps {
escapedDeps = append(escapedDeps, pathEscaper.Replace(dep))
}
_, err = fmt.Fprintf(f, "%s: \\\n %s\n", target,
strings.Join(deps, " \\\n "))
strings.Join(escapedDeps, " \\\n "))
if err != nil {
return err
}